Sun StorEdge D1000 Storage Guide
Contents
1. If the file system s are on a disk that is failing or has failed the umount operation may not complete A large number of error messages may be displayed in the system console and in the var directory during the umount operation If the umount operation does not complete you may have to restart the system 3 12 Sun StorEdge D1000 Storage Guide February 1998 For each file system returned type umount filesystem where filesystem is the first field for each line returned in Step 3 For example umount export home umount export home2 6 Using the df command verify that the file system has been unmounted FIGURE 3 1 Removing and Replacing a Sun StorEdge D1000 Hard Disk Drive 3 5 2 Removing the Disk Drive 1 Spin down the disk drive if possible 2 Unlock and open the door at the front of the chassis Push down the button latch at the center of the door FIGURE 3 1 3 Unlatch the drive bracket handle to release it Push down in the direction of the arrow to release the latch FIGURE 3 1 Chapter 3 Replacing a Faulty Disk in a Sun StorEdge D1000 Tray 3 13 3 5 3 3 5 4 Continue to pivot the disk drive bracket handle against the chassis applying mild pressure until the drive disconnects Slide the drive out Caution After extracting the disk leave it in the drive bay for at least 30 seconds before removing it When the disk has had time to spin down you2. Your Application 11 UNIX File System UFS 11 3 5 1 Preparing to Replace the Disk Drive 12 Contents iii 3 6 3 5 2 Removing the Disk Drive 13 3 5 3 Installing the New Disk Drive 14 3 5 4 Restoring the UFS File System 14 Solstice Enterprise Volume Manager 16 3 6 1 Preparing to Replace the Disk Drive 16 3 6 2 Removing the Disk Drive 17 3 6 3 Installing the New Disk Drive 17 3 64 Recreating a VxVM Configuration on the New Drive 18 Contents iv CHAPTER 1 Hot Plug Disk Replacement for the Sun StorEdge D1000 The Sun StorEdge D1000 is a customer serviceable disk tray with removable disk modules hot pluggable redundant load sharing power supplies and a hot pluggable redundant fan module When coupled with high availability software solutions such as SPARCstorage Volume Manager the disk modules are hot pluggable Caution As with other high RAS products drives should not be pulled out randomly The Sun StorEdge D1000 design provides support to replace failed drives in redundant mirrored or RAID configurations If the drive is active you must stop that activity before removing the drive This can be done without bringing down the operating system or powering down the Sun StorEdge D1000 unit The Sun StorEdge D1000 hardware fully supports hot plugging but there are software considerations that must be taken into account Follow the procedures in this installation supplement when removing replacing and addi
3. application m Section 3 5 UNIX File System UFS on page 3 11 m Section 3 6 Solstice Enterprise Volume Manager on page 3 16 3 9 UNIX File System UFS The following procedure describes how to unconfigure a disk being used by one or more UFS file systems Chapter 3 Replacing a Faulty Disk in a Sun StorEdge D1000 Tray 3 11 chara Caution These procedures should be performed only by a qualified system administrator Performing hot plug operations on an active disk drive can result in data loss Preparing to Replace the Disk Drive Stop any application processes on the file systems to be unconfigured Back up your system Determine what file system s are on the disk mount grep cwtxdysz For example if the device to be removed is c1t340 enter the following mount grep c1t3d0 export home dev dsk c1t3d0s7 98892 blocks 142713 files export home2 dev ask cit3d0s5 153424 blocks 112107 files Determine and save the partition table for the disk If the replacement disk is the same type as the faulty disk you can use the format command to save the partition table of the disk Use the save command in format to save a copy of the partition table to the etc format dat file This will allow you to configure the replacement disk so that its layout matches the current disk Refer to the format 1M man page for more information Unmount any file systems on the disk Note
4. forme par quelque moyen que ce soit sans l autorisation pr alable et crite de Sun et de ses bailleurs de licence s il y en a Le logiciel d tenu par des tiers et qui comprend la technologie relative aux polices de caract res est prot g par un copyright et licenci par des fournisseurs de Sun Des parties de ce produit pourront tre d riv es des syst mes Berkeley BSD licenci s par l Universit de Californie UNIX est une marque d pos e aux Etats Unis et dans d autres pays et licenci e exclusivement par X Open Company Ltd Sun Sun Microsystems le logo Sun AnswerBook SunDocs Solstice DiskSuite StorEdge et Solaris sont des marques de fabrique ou des marques d pos es ou marques de service de Sun Microsystems Inc aux Etats Unis et dans d autres pays Toutes les marques SPARC sont utilis es sous licence et sont des marques de fabrique ou des marques d pos es de SPARC International Inc aux Etats Unis et dans d autres pays Les produits portant les marques SPARC sont bas s sur une architecture d velopp e par Sun Microsystems Inc L interface d utilisation graphique OPEN LOOK et Sun a t d velopp e par Sun Microsystems Inc pour ses utilisateurs et licenci s Sun reconna t les efforts de pionniers de Xerox pour la recherche et le d veloppement du concept des interfaces d utilisation visuelle ou graphique pour l industrie de l informatique Sun d tient une licence non exclusive de Xerox sur l inte
5. the door FIGURE 3 1 Unlatch the drive bracket handle to release it Push down in the direction of the arrow to release the latch FIGURE 3 1 Continue to pivot the disk drive bracket handle against the chassis applying mild pressure until the drive disconnects Slide the drive out Caution After extracting the disk leave it in the drive bay for at least 30 seconds before removing it When the disk has had time to spin down you can remove it from the drive bay Place both hands under the device for support and remove the device from the Sun StorEdge D1000 chassis Installing the New Disk Drive Hold the locking handle on the disk drive open FIGURE 3 1 Slide the replacement disk drive into the vacant slot Gently push the drive until the locking handle engages Chapter 3 Replacing a Faulty Disk in a Sun StorEdge D1000 Tray 3 17 3 6 4 4 Close the locking handle handle completely using gentle downward pressure Note When the drive is firmly installed it will begin to spin up automatically Refer to the Refer to Disk Drive Address ID Assignments in Chapter 2 Product Overview in the Sun StorEdge A1000 and D1000 Installation Operations and Service Manual for drive ID assignment details Recreating a VxVM Configuration on the New Drive To recreate the replaced disk on the new drive Configure the Sun StorEdge D1000 VxVM to recognize the disk drive vx
6. Sun StorEdge D1000 Storage Guide Software Instructions for Hot Plugging Hard Disk Drives Qe Sun microsystems THE NETWORK IS THE COMPUTER Sun Microsystems Computer Company A Sun Microsystems Inc Business 2550 Garcia Avenue Mountain View CA 94043 USA 415 960 1300 fax 415 969 9131 Part No 805 4013 10 Revision A February 1998 Copyright 1998 Sun Microsystems Inc 2550 Garcia Avenue Mountain View California 94043 1100 U S A All rights reserved This product or document is protected by copyright and distributed under licenses restricting its use copying distribution and decompilation No part of this product or document may be reproduced in any form by any means without prior written authorization of Sun and its licensors if any Third party software including font technology is copyrighted and licensed from Sun suppliers Parts of the product may be derived from Berkeley BSD systems licensed from the University of California UNIX is a registered trademark in the U S and other countries exclusively licensed through X Open Company Ltd Sun Sun Microsystems the Sun logo AnswerBook SunDocs Solstice DiskSuite StorEdge and Solaris are trademarks registered trademarks or service marks of Sun Microsystems Inc in the U S and other countries All SPARC trademarks are used under license and are trademarks or registered trademarks of SPARC International Inc in the U S and other countries Products bearin
7. can remove it from the drive bay Place both hands under the device for support and remove the device from the Sun StorEdge D1000 chassis Installing the New Disk Drive Hold the locking handle on the disk drive open FIGURE 3 1 Slide the replacement disk drive into the vacant slot Gently push the drive until the locking handle engages Close the locking handle handle completely using gentle downward pressure Note When the drive is firmly installed it will begin to spin up automatically Refer to Refer to Disk Drive Address ID Assignments in Chapter 2 Product Overview in the Sun StorEdge A1000 and D1000 Installation Operations and Service Manual for drive ID assignment details Restoring the UFS File System Use the following procedure to configure a slice on a disk to be used with the UFS file system Verify that the device label meets your requirements You can use the prtvtoc command to inspect the label for your disk To modify the label use the format command See the prtvtoc 1M and format 1M man pages for more information 3 14 Sun StorEdge D1000 Storage Guide February 1998 2 Verify that the device s partition table satisfies the requirements of the file system s you intend to re create You can use the prtvtoc command to inspect the label for your device If you need to modify the label use the format command Refer to the prtvtoc 1M and format 1M man pages for m
8. dctl enable Use the vxdiskadm utility to replace the failed disk Select the Replace a failed or removed disk option This operation requires user confirmation When prompted for a disk name to replace use the disk media name from Step 2 of Section 3 6 1 Preparing to Replace the Disk Drive on page 3 16 vxdiskadm supplies a list of available disks to be used as replacements Select the replacement drive vxdiskadm automatically configures the replacement drive to match the failed drive Redundant data is recovered automatically Space for non redundant data is created and identified Non redundant data must be recovered from backing store See the vxdiskadm man pages for further details You have now completed the replacement of the failed drive 3 18 Sun StorEdge D1000 Storage Guide February 1998
9. formed only by a qualified system administrator Performing hot plug operations on an active disk drive may result in data loss 3 6 1 Preparing to Replace the Disk Drive 1 Back up your system 2 Identify the disk media name for the disk you intend to replace vxdisk list grep cwtxdysz For example if the disk to be removed is c0t 3d0 enter vxdisk list grep c0t3d0 c0t3d0s2 sliced diskOl online The disk media name is the third field in the output above disk01 You can use the vxdiskadm utility to prepare the disk for replacement 3 Type vxdiskadm in a shell For example vxdiskadm This operation is interactive and requires user confirmation of the operation 3 16 Sun StorEdge D1000 Storage Guide February 1998 3 6 2 3 6 3 Select the Remove a disk for replacement option When prompted for a disk name to replace type the disk media name from Step 2 vxdiskadm marks the disk to be replaced and saves the subdisk information to be rebuilt on the replacement disk Redundant data is automatically recovered after the replacement disk has been reattached to VxVM Non redundant data is identified as unusable and must be recreated from backups Refer to the vxdiskadm 1M man page for further details Quit the vxdiskadm utility Removing the Disk Drive Spin down the disk drive Unlock and open the door at the front of the chassis Push down the button latch at the center of
10. g SPARC trademarks are based upon an architecture developed by Sun Microsystems Inc The OPEN LOOK and Sun Graphical User Interface was developed by Sun Microsystems Inc for its users and licensees Sun acknowledges the pioneering efforts of Xerox in researching and developing the concept of visual or graphical user interfaces for the computer industry Sun holds a non exclusive license from Xerox to the Xerox Graphical User Interface which license also covers Sun s licensees who implement OPEN LOOK GUIs and otherwise comply with Sun s written license agreements RESTRICTED RIGHTS Use duplication or disclosure by the U S Government is subject to restrictions of FAR 52 227 14 g 2 6 87 and FAR 52 227 19 6 87 or DFAR 252 227 7015 b 6 95 and DFAR 227 7202 3 a DOCUMENTATION IS PROVIDED AS IS AND ALL EXPRESS OR IMPLIED CONDITIONS REPRESENTATIONS AND WARRANTIES INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR NON INFRINGEMENT ARE DISCLAIMED EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD TO BE LEGALLY INVALID Copyright 1998 Sun Microsystems Inc 2550 Garcia Avenue Mountain View Californie 94043 1100 Etatis Unis Tous droits r serv s Ce produit ou document est prot g par un copyright et distribu avec des licences qui en restreignent l utilisation la copie la distribution et la d compilation Aucune partie de ce produit ou document ne peut tre reproduite sous aucune
11. has been created type ls l dev dsk cl1t4d0s where c1t 4d0s is the expected device name for the new drive in slot 4 The new disk drive is now available for use as a block or character device Refer to the sd 7 man pages for further details Chapter 2 Adding a Disk Drive to a SPARCstorage RSM Tray 2 5 2 4 gt Configuring the New Disk Drive Within Your Application Continue adding the disk with the instructions for your application m Section 2 5 Configuring the New Disk Drive for a Unix File System UFS on page 2 6 m Section 2 6 Adding the New Device to a Sun StorEdge D1000 Volume Manager VxVM Disk Group on page 2 7 Caution These procedures should be performed only by a qualified system administrator Performing hot plug operations on an active disk drive may result in data loss Configuring the New Disk Drive for a Unix File System UFS Use the following procedure to configure a slice single physical partition on a disk to be used with a UFS file system For instructions about adding a file system to a VxVM disk refer to the documentation that came with your application Verify that the device label meets your requirements You can use the prtvtoc command to inspect the label for your disk To modify the label use the format command Refer to the prtvtoc 1M and format 1M man pages for more information Once you have selected a disk slice for your UFS file system crea
12. ing a Disk Drive to a SPARCstorage RSM Tray This chapter contains information on how to configure your system when you add a disk drive while the power is on and the operating system is running The way in which you add a disk drive depends on the application you are using Each application requires that you decide where to install the new disk drive add the drive and then reconfigure the operating environment Each application is different In all cases you must select a slot physically install the disk drive and configure the Solaris environment to recognize the drive Then you must configure your application to accept the new disk drive Caution These procedures should be performed only by a qualified system administrator Performing hot plug operations on an active disk drive may result in data loss and or data corruption 241 Selecting a Slot for the New Disk Drive Select any available slot in the Sun StorEdge D1000 tray for the new disk drive For reference when you configure the software environment make a note of which slot you chose See FIGURE 2 1 2 3 FIGURE 2 1 Adding or Replacing a Disk Drive 22 Adding the Disk Drive 1 Unlock and open the door at the front of the chassis Push down the button latch at the center of the door FIGURE 2 1 2 Hold the locking handle on the disk drive open Push down in the direction of the arrow to release the latch FIGURE 2 1 3 Slide the rep
13. lacement disk drive into the vacant slot 4 Gently push the drive until the locking handle engages 5 Close the locking handle handle completely using gentle downward pressure Note When the drive is firmly installed it will begin to spin up automatically Refer to Chapter 2 Product Overview in the Sun StorEdge A1000 and D1000 Installation Operations and Service Manual for drive ID assignment details 2 4 Sun StorEdge D1000 Storage Guide February 1998 25 Zack Configuring the Solaris Environment A new device entry needs to be created for the drive in the devices and dev dsk and dev rdsk hierarchy The new drive is assigned a name associated with the slot in the Sun StorEdge D1000 tray into which the drive was installed UDWIS S Host Adapter System The naming convention for disks attached to a UDWIS S host adapter is ewtxdysz where w corresponds to the SBus controller in your system x corresponds to the Sun StorEdge D1000 disk slot y is the logical unit for the disk drive always 0 z is the slice or partition on the disk For example if the Sun StorEdge D1000 tray is connected to a UDWIS host adapter corresponding to controller c2 and a drive was added to slot 4 on a Sun StorEdge D1000 tray the new drive appears as dev dsk c2t4d0s 0 7 and dev rdsk c2t4d0s 0 7 Use the drvconfig and disks commands to add the new device drvconfig disks Verify that the new disk
14. ng drives While there is no Solaris system software that provides hot plug functionality to shield the operating system from the physical removal and replacement of a disk drive there are several scenarios where a disk drive may be safely removed or added to the enclosure as long as the software framework managing the disk drives in the enclosure is taken into account 1 1 Overview Hot plug reconfiguration or hot plug operations cannot be performed on an active disk drive All disk access activity must be stopped prior to a disk drive being removed or replaced In general hot plug reconfiguration operations involve three stages 1 Preparing for hot plug reconfiguration 2 Adding replacing or removing a disk drive 3 Reconfiguring the operating environment Three specific cases exist where the hot plug feature is useful m Adding a disk drive to a system to increase storage capacity Chapter 2 m Replacing a faulty disk drive while the system is running Chapter 3 When you intend to replace a faulty drive prepare replacement disks ahead of time to simplify replacement later Each replacement disk should be formatted labeled and partitioned the same as the disks to be replaced and have file systems or other application specific preparation performed m Removing a drive from a system that no longer needs it Chapter 4 1 2 Sun StorEdge D1000 Storage Guide February 1998 CHAPTER 2 Add
15. ore information For example prtvtoc dev rdsk cwtxdysz If you have saved a disk partition table using the format utility and the replacement disk type matches the old disk type then you can use the format utility s partition section to configure the partition table of the replacement disk See the select and label commands in the partition section If the replacement disk is of a different type than the disk it replaced you can use the partition size information from the previous disk to set the partition table for the replacement disk Refer to the prtvtoc 1M and format 1M man pages for more information You have defined your disk s partition table and have identified the disk slice on which to build your UFS file system 3 Once you have selected a disk slice for your UFS file system create a file system on the slice newfs dev rdsk cwtxdysz 4 Mount the new file system using the mount command mount mount_point where mount_point is the directory on which the faulty disk was mounted The new disk is ready to be used You can now restore data from your backups Chapter 3 Replacing a Faulty Disk in a Sun StorEdge D1000 Tray 3 15 3 6 Solstice Enterprise Volume Manager The following procedure assumes that all user and application level processes on all volumes plexes and or subdisks that are located on the drive to be removed have been terminated Caution These procedures should be per
16. rface d utilisation graphique Xerox cette licence couvrant galement les licenci s de Sun qui mettent en place l interface d utilisation graphique OPEN LOOK et qui en outre se conforment aux licences crites de Sun CETTE PUBLICATION EST FOURNIE EN L ETAT ET AUCUNE GARANTIE EXPRESSE OU IMPLICITE N EST ACCORDEE Y COMPRIS DES GARANTIES CONCERNANT LA VALEUR MARCHANDE L APTITUDE DE LA PUBLICATION A REPONDRE A UNE UTILISATION PARTICULIERE OU LE FAIT QU ELLE NE SOIT PAS CONTREFAISANTE DE PRODUIT DE TIERS CE DENI DE GARANTIE NE S APPLIQUERAIT PAS DANS LA MESURE OU IL SERAIT TENU JURIDIQUEMENT NUL ET NON AVENU Go ca Please Adobe PostScript Recycle Contents Hot Plug Disk Replacement for the Sun StorEdge D1000 1 1 1 Overview 1 Adding a Disk Drive to a SPARCstorage RSM Tray 3 2 1 2 2 2 3 2 4 2 5 2 6 Selecting a Slot for the New Disk Drive 3 Adding the Disk Drive 4 Configuring the Solaris Environment 5 2 3 1 UDWIS S Host Adapter System 5 Configuring the New Disk Drive Within Your Application 6 Configuring the New Disk Drive for a Unix File System UFS 6 Adding the New Device to a Sun StorEdge D1000 Volume Manager VxVM Disk Group 7 Replacing a Faulty Disk in a Sun StorEdge D1000 Tray 9 3 1 3 2 3 3 3 4 3 5 Prepare Spare Drives 10 Identifying the Faulty Disk Drive 10 Device Naming Convention in the Solaris Environment 11 3 3 1 UDWIS S Host Adapter System 11 Replacing the Disk Drive Within
17. te a file system on the slice newfs dev rdsk cwtxdysz Refer to the newfs 1M man page for more information 2 6 Sun StorEdge D1000 Storage Guide February 1998 3 If necessary create a mountpoint for the new file system mkdir mount_point where mount_point is a fully qualified pathname Refer to the mount 1M man page for more information 4 After the file system and mountpoint have been created modify the etc vfstab file to reflect the new file system See the vfstab 4 man page for more details 5 Mount the new file system using the mount command mount mount_point where mount_point is the directory you created The file system is ready to be used 2 6 Adding the New Device to a Sun StorEdge D1000 Volume Manager VxVM Disk Group Use the following procedure to configure the new device to be used with a new or existing VxVM disk group 1 Configure the VxVM to recognize the disk drive vxdctl enable 2 Add the new disk to a new or existing VxVM disk group vxdiskadd cwtxdysz where cwtxdysz is the new disk Refer to the vxdiskadd 1M man page for further details Chapter 2 Adding a Disk Drive to a SPARCstorage RSM Tray 2 7 The disk is now ready for use with VxVM as part of a new volume added to an existing volume as a plex or to increase an existing volume 2 8 Sun StorEdge D1000 Storage Guide February 1998 CHAPTER 3 Replacing a Fa
18. ty Disk Drive Different applications provide various levels of error logging In general you can find messages about failing or failed disks in your system console window The information is also logged in the usr adm messages file s See the documentation that came with your application for more information Once you have identified which disk drive is faulty determine the SCSI ID and slot position for that drive in the Sun StorEdge D1000 tray Refer to Disk Drive Address ID Assignments in Chapter 2 Product Overview in the Sun StorEdge Installation Operations and Service Manual for details about SCSI ID assignments Sun StorEdge D1000 Storage Guide February 1998 20 ou Device Naming Convention in the Solaris Environment UDWIS S Host Adapter System The naming convention for disks attached to a UDWIS S host adapter is ewtxdysz where corresponds to the SBus controller in your system corresponds to the Sun StorEdge D1000 disk slot is the logical unit for the disk drive always 0 is the slice or partition on the disk NN XS For example if the Sun StorEdge D1000 tray is connected to a UDWIS S host adapter corresponding to controller c2 and a drive was added to slot 4 on a Sun StorEdge D1000 tray the new drive appears as dev dsk c2t4d0s 0 7 and dev rdsk c2t4d0s 0 7 3 4 Replacing the Disk Drive Within Your Application Continue the disk replacement by going to the instructions for your
19. ulty Disk in a Sun StorEdge D1000 Tray This chapter contains information on configuring your system to replace a disk drive while the power is on and the operating system is running The way in which you replace a faulty disk drive depends on the application you are using Each application is different but requires that you 1 Determine which disk drive is failing or has failed 2 Remove the disk 3 Add the replacement drive 4 Reconfigure the operating environment In all cases you must stop any activity or applications on the disk physically remove the old drive and install the new one and configure the Solaris environment to recognize the drive Then you must configure your application to accept the new disk drive Caution These procedures should be performed only by a qualified system administrator Performing hot plug operations on an active disk drive may result in data loss and or data corruption 3 9 3 1 Prepare Spare Drives If possible prepare replacement disk drives in advance Each replacement disk drive should be labeled and partitioned the same as the disk it will replace See the documentation for your application for instructions on how to format and partition the disk and add that disk to your application Note The descriptions do not cover all possible situations and circumstances and should be performed only by a qualified system administrator 32 3 10 Identifying the Faul
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