DVS Defragmenter User Guide (Version 1.0)
Contents
1. Figure 3 3 Job list with defragmentation controls The job list will be processed in the order as listed i e from top to bot tom In case you want to refine a defragmentation job list perform the following e Select a job from the job list to the left for example with a click of the mouse e Then use the arrow buttons EEE I to change its position in the sequence of the appointed jobs i With the button DELETE you can delete a selected job from the job list As soon as the job list is in the desired sequence you can start a defrag mentation e Use the settings item Start Option and if applicable Schedule Time to determine the way the defragmentation should be per formed i e assign either a scheduled or a manual immediate operation e With the setting Contiguous Frames set the number of frames that should be arranged for each clip continuously in one block on the hard disk array e When your settings are complete start the defragmentation pro cess with the button DEFRAG In case you chose a scheduled operation a countdown will appear be low the entry field to select a scanning location Using the DVS Defragmenter Volume to scan Starting defragmentation in 10 hours 37 minutes 43 seconds Figure 3 4 Countdown to defragmentation To use a scheduled operation the DVS Defragmenter must re main running on your video system Once the time has elapsed or when a manual defragmentation ha2. Then as the next step you may have to set license keys 2 1 2 Setting License Keys The DVS Defragmenter needs properly licensed hard disks to perform a defragmentation process On a DVS video system connected to a DVS SAN CLIPSTER Pronto2K 2 ProntoHD 2 those will already be installed and the DVS Defragmenter can be used immediately But when installing the DVS Defragmenter in a stand alone setup on a computer system connected to a DVS SAN such as the metadataserver it may be necessary to set license keys When receiving the installation file for the DVS Defragmenter program you will also have received one or more text files that contain the nec essary licenses With them perform the following e If applicable close the DVS Defragmenter program e Copy the provided license key files without any alterations to their contents into the subdirectory 1icense under the DVS Defrag menter software s installation path see section Installing the DVS Defragmenter on page 2 2 After this the license keys are successfully set Next time you start the DVS Defragmenter it will scan the files stored under the directory 1i cense All files in this directory will be scanned regardless of their file name and if valid the license keys will be combined In case you expe rienced warning messages because of unlicensed disks they should be resolved 2 3 DVS Defragmenter User Guide DVS 2 2 Starting the Program This s
3. Collapse all Collapses the whole tree and all branches in one step Extended List By default the clip list is in its extended view and shows all columns as described in section The Clip List on page 4 8 With this menu option you can ac tivate or deactivate the extended list view If it is acti vated the menu option will show a tick in front In its deactivated state the clip list displays the columns Path Clip Frames and Defrag only PVs The User Interface 4 3 3 The Visual Representation of the Scanned Path The area of the clip list also provides a visual representation of the scanned path after a scanning procedure has been performed It can be accessed with the tab Bit Map at the top of this area Content Bit Map Path 8 v W American_Beauty_ Figure 4 7 Tabs above the clip list Once it is selected something like the following will be displayed Content Bit Map Vy 104 04 MB per block media segmented fragmented ie ME free Figure 4 8 The visual representation With the tab Bit Map activated the clip list area shows you a represen tation of the scanned path The amount of data that is shown by each square block in the visual representation can be seen in brackets to the right the path indication of the scanned volume directory below the tabs The visual representation has to be interpreted line wise from left to right DVS Defragmenter User Guide DVS 4 12 At the bot
4. The states indicated by the progress bar will also be shown by the field Status of the scanning area see section The Scan ning Area on page 4 4 Furthermore to the right of the progress bar you can find the button Exit that you may use to close the DVS De fragmenter program PVs The User Interface 4 6 Further Features In addition to the items of the visible user interface the DVS Defrag menter provides several other useful features such as keyboard short cuts or log files They will be described in this section 4 6 1 Keyboard Shortcuts For a more easy work with the DVS Defragmenter there are various keyboard shortcuts available which are listed in the table below Shortcut Action Alt A Stop a scan in progress Alt S Start a scan of the selected location Alt D Start a defragmentation F1 Display version information MAC address as well as serial number ID of the DVS PCI video board Alt E Exit and close the program Ctrl A Select all entries in clip or job list last selected one Additionally the following combination of keyboard and mouse actions may be helpful Key Mouse Action Action Hold Ctrl while selecting with Select several entries in a list dis the mouse jointedly Hold Shift while selecting with Select a range of adjoining entries the mouse in a list 4 6 2 Log Files To aid a debugging the DVS D
5. dOWN PR REN RN 4 14 EXIT ae ee 2 4 4 16 SCAN see ee ae 3 2 4 4 Op esse 3 2 3 5 4 5 4 15 10 E E E CHEN 4 14 capacity storage unse 1 5 4 5 chapter Overview 1 Clip paene PENENPPSPIARERSENERENEFERENELEIEREN 4 8 clip filename een 4 8 number of frames 4 8 Clip TIST gocccccscdvestebassdiesiend 3 3 4 3 4 7 context MENU scree 4 10 extended view ecce 4 10 hide entries a so 4 10 GODS une ee 4 11 update use ee 4 4 4 7 4 10 Collapse all en 4 10 Collapse tree nie 4 8 4 10 colors fragmentation degree 3 3 4 8 context MENU suseasisieiie 4 10 Contiguous Frames 3 4 4 15 l l I l CONOIS sie 4 3 of defragmentation 4 14 of job list zn ae 4 13 conventions of user guide 1 3 countdown nocere 3 4 4 5 4 15 D F Defrag een ernten 4 8 defragmentation zur 3 4 see also fragmentation AbOrl u 2200er 3 5 4 15 change sequence acacccccssssacaneans 4 14 complete nee ee 1 5 Canal ers 4 14 immediate defragmentation 4 14 operation mode 2 4 14 SEQUENCE ccce 4 13 Stari t E 3 4 deleting entries from job list 3 4 4 13 4 14 disk Space sessiooni 4 5 DVS Defragmenter ecce 1 1 exit program 2 5 2 4 4 16 installation sciorre 2 2 keyboard shortcuts 4 17 log files anne 4 17 OVETV EW 2er 4 2 start program sssssssssrrirerrrreeene 2 4 status messages n 4 6 4 16 system requirements 1 4 USAFE en ee 3 1
6. exiting the program 2 4 4 16 Expa d all eirese 4 10 expand tree nierieieuesesninrreeeg 4 8 4 10 Extended List unseren 4 10 file name Of CUP een 4 8 OF OB IE esse 4 17 l 1 DVS Defragmenter User Guide file system een 4 5 fragmentation 1 1 4 8 4 9 ASSESSMENT eneeneeneeeneeeennenn 3 3 4 8 COIOFS susanne 3 3 4 8 10 121 1 1 OSERPREREERPERBERERFEREFRESERN 3 3 4 8 PUAITIOS ee 4 8 frames amount as 4 8 A E eee ecetee ate 4 5 free disk space vs 4 5 POM ee Dre are a ed 4 8 G I BABES ee 4 8 hard disk array complete defragmentation 1 5 free disk Space enge 4 5 total disk space n n 4 5 used disk space nein 4 5 hard disk license key ccc 1 4 SEINE aut 2 3 O ea HER SEROBEEUBELCBBESEERSES 4 10 Hide all 100 sau 22222 4 10 hide entries 2er 4 10 important notes zu 1 5 information about volume 3 2 4 5 installation usa 2 2 installation Program 0000 04ns00 2 2 J L JODS Siempre an 3 4 4 3 4 13 add to job list a 4 14 adding entries u 2 4 10 administering 3 4 4 13 assembly warnscisiassaaisanee 3 3 4 9 controls ses 4 13 delete entries 3 4 4 13 4 14 keyboard shortcuts s s s 4 17 legend of bit map 4 12 license Key nee 1 4 SEHIN ccna 2 3 log file ee ein 4 17 file names 4 17 eleri n01 p DEn ee E E E E 4 18 M O manual operation 3 4 4 14 MAX ee 4 9 median en 4 9 MEI
7. gram You may use this chapter as a reference to individual program items or features Index This chapter facilitates the search for specific terms 1 2 Target Group To use this manual and the DVS Defragmenter you should have expe rience in PC handling and be familiar with the handling of a device con nected to a video hard disk array 1 2 PVs Introduction 1 3 Conventions Used in this User Guide The following typographical conventions will be used in this documen tation e Texts preceded by this symbol describe activities that you must per form in the order indicated Texts preceded by this symbol are parts of a list Texts preceded by this symbol are general notes intended to fa cilitate work and help avoid errors You must pay particular attention to text that follows this symbol to avoid errors am Texts enclosed by quotation marks are references to other man uals guides chapters or sections Menu Standard text in italic and bold indicates a menu name or options in a menu list Menu Option In the specified menu select the stated option BUTTON Standard text in small caps and bold indicates push buttons Item Standard text in bold only stands for other la belled items of the user interface File Directory structure or file Entry Parameters selections or entries made in the program Key An individual key or a key combination on a keyboard Keyboard Short cuts To
8. have chosen for a defragmentation It will be described with its administrative controls in section The Job List and the Controls on page 4 13 controls The controls comprise on the one hand the controls of the job list which can be used to administer the list and on the other the controls of the defragmentation operation With the latter you can initiate either a manual immediate or a scheduled defragmentation A description of both can be found in section The Job List and the Controls on page 4 13 status bar The status bar provides a progress bar that indicates the progress of a scanning as well as defragmentation process of individual clips Furthermore to its right you can find a button that you may use to exit the DVS Defragmenter These items are explained in section The Status Bar on page 4 16 Additionally the DVS Defragmenter provides several other useful fea tures such as keyboard shortcuts which are detailed in section Further Features on page 4 17 4 3 DVS Defragmenter User Guide PVs 4 2 The Scanning Area At its top the user interface of the DVS Defragmenter provides the scanning area This area contains items to start and stop a scanning pro cess of the selected drive directory Additionally it details various infor mation about the currently selected storage Volume to scan Volume Info VA Volume Clipster Storage NTFS Total Used Free Status Figure 4
9. with this setting you have to configure with the field Schedule Time not only the time but a date as well Daily Determines a scheduled opera tion where the DVS Defrag menter will operate at a specified time every day Every lt days Selects a scheduled operation ofweek gt where the DVS Defragmenter will operate at a specified time every week with lt daysof week gt as the day of the week The User Interface Schedule Time This field will be available as soon as a scheduled operation mode is selected via the setting Start Option With it you have to detailthe time system time when to startthe scheduled operation When Single Event is selected the format is hh mm ss MM DD YYYY For all other scheduled operation settings the format is hh mm ss Contiguous With this setting set the number of frames that Frames should be arranged for each clip continuously in one block on the hard disk array 1000 Perfect Atleast 1000 files per clip will be arranged contiguously when using this setting the defrag mentation process may take some time 100 Default Default setting at least 100 files will be arranged contiguously 25 Fast At least 25 files per clip will be arranged in one block by using this setting you can perform a quick defragmentation fect a the defragmentation degree detect ed during a scanning operation i e when larger blocks are selected with this combo box clips may be shown as segmented th
10. 2 Scanning area All items will be explained in the following Via a scanning you can also update a clip list or display previ ously hidden entries again The Items to Scan for Clips The scanning area provides in detail the following items to scan for clips entry field In the entry field either enter a drive letter to scan a volume completely for clips or a path to a directory to scan a single folder only Notation drive_letter directory subdirectory Instead of the backslash you may also use a slash Example V Video Default value V my o select a drive directory directly via a dialog win dow you may also click on the button to the right of the entry field Once confirmed your selection will be entered in the entry field to the left SCAN With the button SCAN you can initiate a scanning procedure which will scan the drive directory deter mined by the entry field for video material All clips found will be listed in the clip list below the scanning area Depending on the amount of images clips available in the selected location the scanning may take a while 4 4 The User Interface PA A detected defragmentation degree de il pends on the setting for contiguous frames of the defragmentation controls i e when larger blocks are selected in Contiguous Frames clips may be shown as segmented that would otherwise be displayed as 100 defragmented see section The Defrag mentation Controls on p
11. be displayed as soon as an operation such as a scanning or defragmentation is per formed The status messages are also available on the progress bar of the status bar see section The Status Bar on page 4 16 The information will be displayed as soon as a location is scanned 4 6 PVs The User Interface 4 3 The Clip List and Its Visual Representation After a scanning is initiated the clip list will be filled with clips that could be found in the selected location Content Bit Map Path Clip Frames from to Defrag Segments min max average median EV W American_Beauty American_Beauty 500 0 3 4 3 13 1 W American_Beauty American_Beauty 175 175 u p Downtown_LA_Pa Downtown_LA D 1000 1 01d png 000_ 1200 0 100 2000 2000 2000 201 201 201 clip 04d dpx FILMaK SH W Intergraph i E W Intergrap i Hollywood i_o_tool E W Timeline_4 iu g t000 wtr _ 07d dpx 29 999 00 1 999 999 999 vtr_001 0 x 0000 39 0 1000 1000 1000 iow ge vtr_o04 x 0 9 0 49 The clip list can be used on the one hand to assess the state of individual clips on the hard disk array and on the other to select volumes and or directories for a later defragmentation The selected volumes directo ries are then added to the defragmentation job list see section The Job List and the Controls on page 4 13 For the assessment you may also use a visual representation of the scanned location This sect
12. play out operations It optimizes the alignment of image sequences on hard disk arrays video clips so that they are more suited for a real time play out To use the DVS Defragmenter you have to perform the following steps 1 Scan a volume drive or individual directory to gather information about the available video material The detected video material will be displayed in the clip list in the middle of the user interface 2 From the clip list assemble the defragmentation job list 3 Afterwards edit and refine the job list for example by altering the sequence of the defragmentation process to be executed 4 And finally start the defragmentation either an immediate or a scheduled one with the respective controls All these steps will be described in step by step descriptions in this chapter It starts with an explanation about how to scan for clips fol lowed by a description how to add fragmented clips to the job list for a subsequent defragmentation The chapter will be concluded with a de scription how to refine the job list and defragment the selected clips terface please refer to the chapter The User Interface on iJ For more information about the individual items of the user in page 4 1 DVS Defragmenter User Guide PVs 3 1 Scanning a Storage 3 2 After starting the program a volume or individual directory has to be scanned to gather information about the available video material Wit
13. requirements eeen 1 4 PVs Index System 4 15 typographical conventions 1 3 updating clip list 4 4 4 7 4 10 5 usage Of program n e 3 1 TAN U0 BEE 4 5 tabs of clip list aueseyeseeee 4 41 used disk space ee 4 5 target SOUP cccccecseessecssesseesseeees 1 2 user interface overview 05 4 2 Be eae cen ee 4 15 video hard disk array capacity 1 5 4 5 Oe act ec meter estes teks 4 8 visual representation 006 4 11 Aei r EEE EN 4 5 legend wees eeseeeseee teens 4 12 total disk SPACE re 4 5 Volume cunseeneesenseeneneennennnenennennn 4 5 BEE EEE EEE 4 8 volume information 3 2 4 5 troubleshooting play out ERRFL SENT 1 1 1 5 volume label 02200220 nen 4 5 l 3 DVS Defragmenter User Guide 1 4
14. Program on page 2 4 2 1 1 Installing the DVS Defragmenter 2 2 The DVS Defragmenter installation routine is a single executable file To install the DVS Defragmenter program perform the following e Execute the installation file for example with a double click of the mouse This starts the installation routine which will guide you through the in stallation When the installation program asks for the directory where to install the DVS Defragmenter act according to the system where you want to install the program CLIPSTER When installing the DVS Defragmenter on a Pronto2K 2 DVS video system connected to a DVS SAN it ProntoHD 2 should be installed on the same level as the Clipster program directory because then it can access the same license keys as the main DVS software lt directory gt Clipster m license Defrag other computer When installing the DVS Defragmenter on a systems computer system that is not a DVS video sys tem such as the metadataserver of a DVS SAN the system must provide an account with administrative rights for the storage to be defragmented The program should be installed in the sug gested installation directory i e C Program Files DVS Defrag Getting Started Once the installation is initialized all necessary files and libraries will be installed on the computer system The installation is finished as soon as a message reports this
15. Support Maintenance Software DVS Defragmenter User Guide DVS Defragmenter User Guide Introduction Getting Started Using the DVS Defragmenter The User Interface Index User Guide Version 1 0 for the DVS Defragmenter Version 2 0 Copyright 2006 by DVS Digital Video Systems GmbH Hanover All rights reserved The manuals as well as the soft and or hardware described here and all their constituent parts are protected by copyright Without the express permission of DVS Digital Video Systems GmbH any form of use which goes beyond the narrow bounds prescribed by copyright legislation is prohibited and liable to prosecution This particularly applies to duplication copying translation processing evaluation publishing and storing and or processing in an electronic system Specifications and data may change without notice We offer no guarantee that this documentation is correct and or complete In no event shall DVS Digital Video Systems GmbH be liable for any damages whatsoever including without limitation any special indirect or consequential damages and damages resulting from loss of use data or profits or business interruption arising out of the use of or inability to use the hardware software and or manual materials Those parts of this documentation that describe optional software or hardware features usually contain a corresponding note Anyway a lack of this note does not mean any commitment from D
16. VS CLIPSTER is a registered trademark of DVS Digital Video Systems GmbH Microsoft and Windows are registered trademarks or trademarks of Microsoft Corporation in the United States and or other countries Any other product names mentioned in this documentation may be trademarks or registered trade marks of their respective owners and as such are subject to the usual statutory provisions PVs Headquarters DVS Digital Video Systems GmbH Krepenstr 8 30165 Hannover GERMANY Phone 49 511 67807 0 Fax 49 511 630070 E mail info dvs de Internet http www dvs de Support Phone 49 511 67807 25 Fax 49 511 67807 31 E mail support dvs de For the Americas U S Headquarters DVS Digital Video Inc 300 East Magnolia Boulevard Suite 102 Burbank CA 91502 USA Phone 1 818 846 3600 Fax 1 818 846 3648 E mail info dvsus com Internet http www dvsus com Support E mail support dvsus com l I Contents I l 1 Introduction 1 1 er OVEVIEW ee ee 1 2 12 laget GrOUP esse een 1 2 1 3 Conventions Used in this User Guide ne 1 3 1 4 System BegulrEmenB zes ua 1 4 1 2 Important Notes is ei 1 5 2 Getting Started eoesesesesee gt 2 14 Installation Een ee 2 2 2 1 1 Installing the DVS Defragmenter eee 2 2 2 12 Selling License Keys ass ana 2 3 22 Starting the Program nn ee 2 4 2 3 Exiting the Program cede cce ace ate
17. Zaun 4 12 l 2 Min deep iiiaae a paa a 4 9 GOSSIP MAgES zen ee 4 8 notes important zuuuisssseisiensnie 1 5 number of frames 4 8 operation mode use 4 14 overview of chapters sie 1 2 of user interface unseres 4 2 P S Path ae een 4 8 path for scanning use 3 2 4 4 WW CD MISE e cenecroccstiesedaceecend 4 8 play out troubleshooting 1 1 1 5 progress bar eases t carenacrastconmenstccneate 4 16 real time performance 1 5 refining a job list 22 4552 4 3 4 4 13 SEAN ua 4 10 SCANNING Sera ee 3 2 4 4 Abort u 3 2 4 5 and Contiguous Frames 4 15 MEMS e SEE 4 4 pat sive desceeretieiniauitasaccadaiy 3 2 4 4 CH SEEN 4 10 Start eisen 3 2 4 4 SCANN Ng Area nocere 4 2 4 4 Schedule Time 3 4 4 14 4 15 scheduled operation 3 4 4 14 4 15 countdown 3 4 4 5 4 15 SERMENL une 4 9 SERMENIS aienea 4 9 sequence of defragmentation 4 13 Chateau ee 4 14 SNFS formatting Sesshesseeseisseereseeee 1 6 Start Index sonne 4 8 Start Option WIPSRBERIEHREREREBERBEEREE 3 4 4 14 starting defragmentation 3 4 SCAN e ee ee a 3 2 4 4 selective Scan san 4 10 the program ccsscsscsccetiacertecancssses 2 4 state Of Clips nen 3 3 Status iaa aaa 4 6 4 16 stats Dar un ee 4 3 progress bar use 4 16 status Messages icce 4 6 4 16 STOP 112 PNORERSEERE ARIEHERSPEPELBEREMERSSEN 4 8 storage capacity arusc ssesssen 1 5 4 5 system
18. age 4 14 STOP This button allows you to terminate a scanning op eration in progress at any time manually Furthermore below the entry field to select a scanning location a countdown may appear when you have chosen a scheduled operation for the scanning procedure see section The Job List and the Controls on page 4 13 Volume to scan Starting defragmentation in 10 hours 37 minutes 43 seconds Figure 4 3 Countdown to defragmentation Once the time detailed below the entry field has elapsed the scheduled defragmentation operation will commence To use a scheduled operation the DVS Defragmenter must re main running on your video system The Volume Information Area The volume information area to the right of the scanning items details data about the drive selected via the entry field of the scanning area Volume This field indicates some properties of the selected drive i e its volume label and file system Total This entry details the amount of total disk space available on the selected drive Used This field shows you the amount of disk space that is currently in use on the drive selected by the entry field to the left in bytes as well as percent Free Shows the amount of free disk space on the select ed drive in bytes as well as percent 4 5 DVS Defragmenter User Guide PVs Status The field Status provides you with status messag es about the operation of the DVS Defragmenter They will
19. at dyaccetensatees susaceeeasseerastduanets 2 4 3 Using the DVS Defragmenter aeaoee 3 1 3 1 Scanning a Storage ner 3 2 3 22 Using the Clip List zes enen een 3 3 3 3 Defragmenting ClipS ana ea ei tie 3 4 4 The serinterface u u u uueuu unse 4 1 4 1 Overview of the User Interface uume seesse 4 2 4 2 The Scanning Area at ee 4 4 4 3 The Clip List and Its Visual Representation 4 7 2 DREI Teen 4 8 ASD The Context Mehl ee 4 10 4 3 3 The Visual Representation of the Scanned Path 4 11 DVS Defragmenter User Guide PVs 4 4 The Job List and the Controls arreen 4 13 45 TE Status Bar un ea ee 4 16 4 6 Further Features ccccccccccccccecceseeeesseaeensseceeseceeeeeeeseeeaaas 4 17 4 6 1 Keyboard Shortcuts us 4 17 46 2 Log gt pee nee Oe ee eee re eke eee 4 17 MIER aiiiar ea EAEE EEEE E l 1 Introduction The DVS Defragmenter is a service and maintenance tool designed to remedy problems such as dropped frames that occurred during play out operations With it you can optimize the physical alignment of im age sequences on hard disk arrays video clips so that they are more suited for a real time play out The alignment of clips on the hard disk array is of special importance when dealing with clips of formats of HD or larger Although DVS video systems and their video storages are all capable to deal with almost any high resolution mate
20. at would otherwise be displayed as 100 defragmented i The setting Contiguous Frames may af Ei This button enables you to terminate a defragmen tation operation in progress at any time manually This button starts a defragmentation operation When a scheduled operation is selected a count down will appear below the entry field to select a scanning location see section The Scanning Ar ea on page 4 4 Once the time has elapsed or when a manual operation mode is selected the DVS Defragmenter will start the defragmentation of the clips entered in the job list according to your settings During this the clips will be arranged on the hard disk array so that they are more suited for a play out operation The defragmentation opera tion ends automatically as soon as all clips included by the entries in the job list are processed DVS Defragmenter User Guide PVs 4 5 The Status Bar The status bar provides a progress bar that indicates the progress of a scanning or defragmentation process of individual clips Figure 4 10 Progress bar All states of the DVS Defragmenter such as scanning analyzing detect ing moving etc will be indicated by the progress bar Nevertheless due to the fact that the DVS Defragmenter operates clip based only the different states will be detailed for each clip individually meaning it will not be detailed for example how long it will take to defragment sev eral selected clips
21. ay influence the structure of the AN data storage It may cause fragmentations to clips added to the array after a defragmentation session Currently this can not be avoided 1 5 DVS Defragmenter User Guide DVS It is recommended to format the SNFS storage from time to il time for optimum performance reasons The frequency of the gt formatting should depend on the usage of the DVS SAN Ex perience shows that a formatting of every four to eight weeks will result in an overall good performance To make this easy it is best to split the real time storage into two to four volumes With this you will be able to copy data between the volumes to receive a free one for formatting 1 6 Getting Started This chapter provides you with some basic information necessary to get the DVS Defragmenter program running First it will be explained how to install the program in case it is not already available on your system and how to set a license key After this it is described how to start and end the program DVS Defragmenter User Guide PVs 2 1 Installation Usually it is not necessary to install the DVS Defragmenter program be cause on most DVS systems it will already be available However if this is not the case it can be installed as described in this section To check whether the DVS Defragmenter is already installed on il your system simply try to start it as detailed in section Starting the
22. e sequences that are contiguously available If frames are missing in a se quence the respective clip will be displayed with at least two entries in the clip list Path Clip Frames from to W Hollywood Hollywood 05d yuw 204 0 200 Hollymood 05d yur 4 299 302 Figure 4 5 Gap in clip resulting in two entries Indicates the defragmentation degree of the respective clip with the help of colors and percentage values blue 100 The clip is optimally aligned on the hard disk array orange gt 50 The clip exists in segments but should be sufficiently defragmented red lt 50 The clip exists at least partially in fragments Depending on resolution and file size this clip may cause problems dur ing play out operations The degree is calculated by the ratio of the available frames to the number of segments in relation to the oth er values detailed in the clip list The User Interface A defragmentation degree of for example 0 il does not mean that a clip is not real time capa ble Most clips marked as fragmented will be real time capable nevertheless A detected defragmentation degree depends on the setting for contiguous frames of the de fragmentation controls i e when larger blocks are selected in Contiguous Frames clips may be shown as segmented that would otherwise be displayed as 100 defragmented see sec tion The Defragmentation Controls on page 4 14 Seg
23. ection provides you with a description how to get the DVS De fragmenter started To start the program you have to do the following Select from the START button menu of Windows on the DVS menu the entry for the DVS Defragmenter for example All Programs DVS DVS Defrag f If available you may also start the program via the DVS De frag icon on the desktop of Windows This will load the DVS Defragmenter program and its user interface will be displayed on the screen 2 3 Exiting the Program To end the DVS Defragmenter program and exit it perform the follow ing e Use either one of the following possibilities button EXIT With the Exit button in the lower right corner of the user interface you can exit the DVS De fragmenter program After its activation a message box will appear on the screen asking you whether the program should really be terminated Once this is confirmed the pro gram will be closed Alt E Same as button EXIT Alt F4 Same as button EXIT Same as button EXIT After this the DVS Defragmenter program is closed 2 4 Using the DVS Defragmenter This chapter describes shortly how to use the DVS Defragmenter Before using the DVS Defragmenter it is important that you A read and observe the notes detailed in section Important Notes on page 1 5 With the DVS Defragmenter you can remedy problems such as dropped frames that occurred during
24. efragmenter stores log files that detail the actions that you have performed with the program You may get asked by the DVS service department to send in these files when you experi enced operation problems with the DVS Defragmenter At the most two log files will be created both containing up to 5 MB of data First a file carrying the name defrag txt will be created Once it contains 5 MB of data it will be renamed to defrag_old txt and another defrag txt is started If this reaches the 5 MB threshold as well the older log file will be overwritten with this file while another defrag txt is started once more DVS Defragmenter User Guide DVS The log files will be stored usually in the installation path of the DVS De fragmenter in the subdirectory log see section Installation on page 2 2 lt gt On a DVS video system such as CLIPSTER if the DVS Defrag il menter is ex factory already installed the log files will be saved in the subdirectory log of the DVS main software s installation path Index A C abort defragmentation 3 5 4 15 SCANNING ooeec 3 2 4 5 Add to job list c 4 9 4 10 add to job list zen 4 14 administering a job list 3 4 4 13 assemble a job list 3 3 4 9 AVELSPE nee 4 9 DIE MID ee 4 11 legend BESEHBEPEBERPENBERREESUEREFEEBRERORE 4 12 button Add oaeeo naaa 4 9 4 14 Clear List anne 4 13 Defra see 3 4 4 15 Delete scciddecscesasaveastieeaeves 3 4 4 14
25. er program e g the keyboard short cuts 4 1 DVS Defragmenter User Guide PVs 4 1 Overview of the User Interface After starting the DVS Defragmenter see section Starting the Pro gram on page 2 4 the program will be loaded and the user interface will be displayed on the screen Defragmenter 0 Content Bit Map gt ath clip list Defrag List Clear List status bar _ __ _ Figure 4 1 User interface of the DVS Defragmenter In detail the user interface provides the following items scanning area Atitstop the user interface of the DVS Defragmenter provides the scanning area This area comprises items to start and stop a scanning process of the selected drive directory as well as various information about the currently selected storage They will be described in detail in section The Scan ning Area on page 4 4 4 2 The User Interface clip list In the middle of the user interface you can find the clip list After a scanning procedure it will list all clips found in the selected location with detailed informa tion about their respective fragmentation state in a table In addition here you can also view a visual rep resentation of the selected directory drive The clip list and its features as well asthe bit map view are explained in section The Clip List and Its Visual Representation on page 4 7 job list The job list details the drives or directories that you
26. h this you will include the latest data available at the selected location and ascertain the state of individual clips To perform a scanning the items in the upper part of the DVS Defrag menter s user interface are available Volume to scan Volume Info WA Volume Clipster Storage NTFS Total 1 7 TB METE 15 TB Free 0 2 TB 13 Status ready Figure 3 1 Items for a scanning e Type in in the entry field at the top left of the area providing the scanning items the drive letter of the hard disk array or the directory path to the clip s that you want to scan Alternatively you may also select a drive or directory with il the button to the right of the entry field EZ It gt will open the standard dialog window to select a drive di rectory e Next use the button Scan to start the scanning process PA A defragmentation degree detected during a scanning de il pends on the setting for contiguous frames of the defragmen tation controls i e when larger blocks are selected in Contiguous Frames clips may be shown as segmented that would otherwise be displayed as 100 defragmented see section The Defragmentation Controls on page 4 14 Once a scanning operation is initiated the contents of the selected lo cation will be examined and analyzed and the found video material will be displayed in the clip list of the DVS Defragmenter There you can dis cern the respective state fragmentation degree of the video clips
27. icking with the mouse see section Keyboard Shortcuts on page 4 17 Deletes all entries available in the job list 4 13 DVS Defragmenter User Guide DVS p These buttons enable you to change the sequence panga of jobs in the list Just select an entry in the job list and put it one position up or down in the list with the respective button Adds the entries that are currently selected in the clip list to the job list Deletes the entries that are currently selected in the job list from the list The Defragmentation Controls As soon as the job list is in the desired sequence you can start either a manual or a scheduled defragmentation at any time To configure this use the defragmentation controls as follows Fragmented or segmented clips may still be real time capable Use the DVS Defragmenter only in case you experienced play out problems drops and then only on the clip that is the cause for these troubles Prior to a defragmentation make sure to observe all notes de tailed in section Important Notes on page 1 5 Start Option With this item select the operation mode of the de fragmentation i e either a manual or a scheduled one The following settings are available Manual Selects the manual operation mode where a defragmentation is carried out immediately Single Event Sets the DVS Defragmenter to a scheduled operation mode where a defragmentation is per formed at a specified time and date
28. im mediately Additionally during the scan the properties of the selected volume will be displayed at the top right of the DVS Defragmenter s user interface A scan in progress can be aborted at any time manually with the button STOP right beside the button to start a scanning After this you have to use the clip list to select clips for a defragmenta tion Dvs Using the DVS Defragmenter 3 2 Using the Clip List The video material found in the scanning process will be displayed in the clip list of the DVS Defragmenter After a scanning it provides de tailed information about the state fragmentation degree of the de tected clips Conte nt Bit Map Clip S o Defrag American_Beauty_Part01 American_Beauty_Part Pa 100 W American_Beauty_ParO2 American_Beauty_Part 175 0 100 bg Downtown_LA_Part03_Night Downtown_LA_Part03_ 34 St W OVS_media i B preview O1d png 6 3 6 56 FILM2K Intergraph save_10000_12000_ 100 ree TC c d dpx 0 99 clip 04d dpx 9 100 i i E Intergraph_0000 W Hollywood H gt i_o_tool W Timeline_4 100 1000 20000 20999 100 2RN arann oo 00 Figure 3 2 Clip list The various columns of the clip list can be used to assess the fragmen tation degree of the clips By selecting whole volumes and or individual directories clips from the clip list you have to assemble the job list which will afterwards be used for a defragmentation The DVS Defragmenter dis
29. ion explains all items and features provided by the clip list and its visual representation It is possible to scan individual directories only or hide entries from the clip list see section The Context Menu on page 4 10 In case entries are no longer available in the clip list you can regain the full clip list again by simply scanning the volume directory one more time This way you can also update a Clip list DVS Defragmenter User Guide PVs 4 3 1 The Clip List 4 8 Via the clip list you can determine the state of individual clips on the hard disk array and assess their fragmentation degree For this the clip list provides various columns Path Clip Frames from to Defrag This column shows the path to the directories and clips in a tree view Use the minus or plus sign in front of each drive or directory to collapse or expand the branch that is sorted under this entry Displays the file name of the clip if applicable in C notation Indicates the number of frames that this clip provides usually lt to gt lt from gt 1 This column shows the number of the first frame of the clip usually given in its file name its start index Shows the number of the last frame of the clip that is se quently available usually given in its file name its stop index Sequently available means that gaps present in an image sequence are detected by the DVS Defrag menter Entries will be created for imag
30. ips via colors These do not indicate whether these clips are real time capable or not Most video clips marked as frag mented will be real time capable nevertheless Do not start a real time operation when running the DVS De fragmenter Then drops may occur It is recommended to close the video play out record application when using the DVS Defragmenter The DVS Defragmenter uses proprietary routines to defrag A ment the data on the hard disks The results will not be the same when using the standard defragmentation tool of the operating system because it does not apply the same routines and will not observe image file sequences Therefore do not use it for a defragmentation of the video hard disk array PA To perform a defragmentation the DVS Defragmenter program il needs valid DVS HDD license keys for the video storage s to be defragmented At all times leave about 15 of the overall video storage ca pacity empty of data for real time performance reasons for clips of lower resolutions video formats such as SD Such clips will still be real time capable even when fragmented If necessary at all the program should be used for clips of large video formats and file sizes only N On SNFS storages the DVS Defragmenter should not be used log on to the computer system with administrative rights for iJ To run the DVS Defragmenter on an SNFS storages you must the storage The DVS Defragmenter m
31. l Time 00 00 00 Contiguous Frames 1000 Perfect Stop Defrag Figure 4 9 The job list and controls areas With them you indicate the volumes directories that have to be defrag mented as well as control the defragmentation process The features provided by this area are described in this section The Job List and Its Controls The job list details the drives or directories that you have selected for a defragmentation via the clip list see section The Clip List and Its Visual Representation on page 4 7 They will be defragmented in the order indicated in the list i e from top to bottom The DVS Defragmenter does not optimize the free space of a il drive Even when a whole volume is selected it operates clip based still meaning it optimizes single clips for play out pur poses only When selecting an entry in the clip list which is already selected for a defragmentation process or is included by another job the respective entry will be highlighted in the job list If such an clip list entry is added to the job list nevertheless its entry will appear briefly in the job list and afterwards vanish again To the right of the job list you can find some controls that allow you to administrate the job list In detail they provide the following functions One or more entries from the job list can be selected or dese il lected easily by applying the common procedures e g hold down the Shift or Ctrl key while cl
32. ments Ifa clip consists of more than one segment its data is not aligned contiguously on the hard disk array in one large block but split up and stored at different locations This value indicates the amount of data blocks segments found by the DVS Defragmenter for the respective clip In principle you can say the following The higher this value and the shorter your clip the more fragmented the video material on the hard disk array min This value shows the amount of frames present in the smallest segment of the clip max Shows the amount of frames available in the largest seg ment of the clip average Details the arithmetic mean of the amount of frames available in all segments median Indicates the middle score of the amount of frames avail able in all segments By selecting whole volumes and or individual directories clips from the clip list you have to assemble the job list which will afterwards be used for a defragmentation For this use one of the following proce dures which will all add the selected entry to the job list P7A One or more entries from the clip list can be selected or dese il lected easily by applying the common procedures e g hold down the Shift or Ctrl key while clicking with the mouse see section Keyboard Shortcuts on page 4 17 Double click an entry in the clip list Select an entry and press the button ADD from the defragmentation controls Select the menu op
33. perform options or procedures with the keyboard often requires si multaneous pressing of two keys Example Ctrl F1 If this is given hold down the Ctrl key and press simultaneously the F1 key 1 3 DVS Defragmenter User Guide PVs 1 4 System Requirements 1 4 Supported Hardware The DVS Defragmenter can be used with the SNFS Store Next File Sys tem of the DVS SAN manufactured by DVS To perform a defragmentation the DVS Defragmenter pro AN gram needs valid DVS license keys for the hard disks to be de fragmented For further information about license keys please contact the DVS service department Supported Operating System The program can be executed on the Windows XP operating system Required Software The DVS Defragmenter does not require the installation of any other DVS software such as the CLIPSTER software the video board driver or similar PVs Introduction 1 5 Important Notes To use the DVS Defragmenter correctly it is important that you heed the following The DVS Defragmenter is no inspection or preventive tool It AN is a service tool to be used in case of problems such as dropped frames only The DVS Defragmenter should not be used for the defrag A mentation of a complete hard disk but for single clips when 4 play out problems occurred It optimizes individual clips for play out operations only The DVS Defragmenter displays the fragmentation degree of il video cl
34. plays the fragmentation degree of video clips via colors These do not indicate whether clips are real time capable or not Most video clips marked as fragment ed will be real time capable nevertheless e Double click an entry in the clip list to add it to the job list for a defragmentation Alternatively you may also select an entry and use the but ton ADD from the defragmentation controls or the menu op tion Add to job list of the clip list s context menu This will add the volume directory to the job list of the DVS Defrag menter In case an entry is already selected for a defragmentation pro cess or included in another job its entry will appear briefly in the job list and afterwards vanish again After this you may continue with the next step and refine the job list and or start a defragmentation 3 3 DVS Defragmenter User Guide PVs 3 3 Defragmenting Clips 3 4 Once clips are available in the job list of the DVS Defragmenter you can refine the job list by altering the sequence of the defragmentation and or start a defragmentation either an immediate or a scheduled one To perform these steps you have to use the items in the lower part of the DVS Defragmenter s user interface Prior to a defragmentation it is imperative that you observe all notes detailed in section Important Notes on page 1 5 Defrag List Clear List Add Delete Defrag Settings Start Option Manual 00 00 00 11000 Perfect Defrag
35. rial in real time the performance of the hard disks is limited and may soon be reached especially when the storage con tains large amounts of data Then a real time play out may get inter rupted due to the fact that clips are distributed in fragments over the volume and disk drives tend to get slower the fuller they are To opti mize individual clips of higher resolutions you may use this defragmen tation program 1 1 DVS Defragmenter User Guide PVs 1 1 Overview This user guide informs you about the general handling of the DVS De fragmenter as well as about the complete controllable interface The chapters in this user guide contain the following information Chapter 1 Begins with a short introduction to the DVS De fragmenter followed by a note regarding the audience this manual is written for and an ex planation of the applied conventions Further more it lists the system requirements to run the DVS Defragmenter and some important notes that you must read Chapter 2 This chapter provides basic information about the program Here you can find details about how to install the program in case it is not al ready available on your system Furthermore the most basic handling will be explained i e how to start and exit the program Chapter 3 Explains how to operate and handle the DVS Defragmenter i e how to perform a defrag mentation Chapter 4 Describes shortly the user interface of the pro
36. s been selected the DVS Defragmenter will start the defragmentation of the clips entered in the job list according to your settings During this the clips will be arranged on the hard disk array so that they are more suited for a play out operation The defragmentation operation will be finished as soon as all clips included by the entries in the job list are pro cessed You can abort either the countdown or a running defragmentation pro cess at any time manually with the button STOP to the left of the button to initialized a defragmentation 3 5 DVS Defragmenter User Guide 3 6 The User Interface This chapter describes all items and possibilities of the user interface of the DVS Defragmenter You may use it as a reference in case questions arise about the handling of individual items or their function First a short overview of the DVS Defragmenter user interface will be given followed by a description of the items available to scan a drive directory With the latter you create a clip list which will be displayed in the middle of the user interface It is explained with all its features next in this chapter After this the items of the job list its administrative items as well as the defragmentation controls are detailed This will be fol lowed by an explanation of the status bar of the software Last but not least the chapter will be concluded with a description of other features provided by the DVS Defragment
37. tion Add to job list on the context menu of a clip selected in the clip list This will add the selected volume directory to the job list for a later de fragmentation see section The Job List and the Controls on page 4 13 4 9 DVS Defragmenter User Guide PVs 4 3 2 The Context Menu The clip list provides further features via a context menu To invoke it you usually have to perform a right click of the mouse on an entry in the list Scan 1d png Add to job list Hide Hide all 100 ae ge FILMAK Expand all Er lnter Collapse all E ergraph_ 05d bmp Extended List E Hollywoc x 2 Ihawo0d 05d yur Figure 4 6 Context menu of clip list You may use the context menu to perform the following Hidden entries can be regained by simply scanning the vol il ume directory once more This way you can also update en tries in the clip list Scan Only scans the selected volume directory anew and builds up again its branch in the clip list If entries were hidden from the list they will be displayed once again Add to job list Adds the selected volume directory to the job list Hide Hides the selected entry from the clip list Hide all 100 Hides all entries from the clip list that are optimally defragmented i e the ones that show a defragmen tation value of 100 After this only the fragmented clips will be displayed in the list Expand all Expands the whole tree and all branches in one step
38. tom of to distinguish the media segmented fragmented system MFT reserved others free this area a color legend is provided that can be used different meanings of the colored squares The clips shown in this color are currently in a perfect state 100 defragmented Only those clips that consist of files a DVS video system can handle will be displayed in this color The clips displayed in this color are segmented but still sufficiently defragmented gt 50 defragmented Only those clips that consist of files a DVS video sys tem can handle will be displayed in this color The files displayed in this color are fragmented and may cause problems during play out operations lt 50 defragmented All files that are fragmented will be displayed in this color Not used on SNFS Not used on SNFS Not used on SNFS All other files as long as they are not fragmented such as project files of a DVS video system software or ex ecutables Free space is displayed with this color You can switch back at any time to the view of the clip list by activating the tab Content PVs The User Interface 4 4 The Job List and the Controls Below the clip list you can find the job list and controls areas Together they provide the job list with its administrative controls as well as the controls for a defragmentation Defrag List wn_LA Part03_Nights Clear List Add vedia Delete Defrag Settings Start Option Manua
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