SSPFS Back-up and Restore MOP on Netra 240
Contents
1. Action 1 Telnet to the server by typing gt telnet lt Netra 240 IP Address gt and pressing the Enter key 2 When prompted enter your user ID and password 3 Change to the root user by typing su root and pressing the Enter key 4 When prompted enter the root password 5 Check the health of the system s disks by typing metastat and pressing the Enter key Note Information about each system disk will be displayed The normal state is Okay The state Resyncing means the mirror was broken and is being re created The state Needs Maintenance or Maintenance means that the disk needs to be replaced 6 Determine the disk that needs to be replaced on the Netra 240 by viewing the results from step 5 If you are replacing Do c1t0d0 step 7 cltld0 step 13 7 Detach all of the sub mirrors on the failed disk metadetach d5 d3 d5 submirror d3 is detached metadetach d2 do d2 submirror d0 is detached metadetach d8 d6 d8 submirror d6 is detached metadetach dll d9 dll submirror d9 is detached metadetach d100 dqd101 d100 submirror d101 is detached ALR Ren HO Dax Arhivesad O Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Issue Date 19 11 2004 Page 15 of 19 8 Remove any copies of the Meta DB from the failed disk metadb d clt0d0s7 9 Locate disk c2. 1t0d0 Use the documentation for the Netra 240 reference 1 to physically replace the disk firstly remove the faulty disk and then install the new one Supplementary notes to Sun Documentation reference 1 The procedures can be found in the Hard Drives chapter Removing a Hard Drive e Instep 1 of the procedure to remove a hard disk having determined the faulty drive is still visible to the operating system enter its number 0 or 1 and then quit out of the format tool Continue with the remaining steps Installing a Hard Drive e Instep 6 of the procedure to install a hard disk the documentation states that both disks will appear when using the format tool This is incorrect and both disks will only appear after they have been configured To proceed with this step enter either number 0 or 1 depending on which drive is visible and quit out of the format tool Continue with the remaining steps When complete return to this procedure and do step 10 10 WARNING The following command is extremely dangerous and if entered incorrectly could have non recoverable error so check the command VERY carefully before pressing enter prtvtoc h dev rdsk cltld0s2 fmthard s dev rdsk clit0d0s2 fmthard New volume table of contents now in place 11 Reattached the sub mirrors that were on the failed disk metattach d5 d3 d5 submirror d3 is attached metattach d2 do d2 submirror d0 is attached metattach d8 d6 d8 sub
3. M 3 Copy the backup file off the tape sdm gt tar xvf dev rmt0 tar tf dev rmt0 grep bkexpora_ 4 Confirm that the backup file has been extracted sdm gt cd tmp sdm gt Is bkexpora_ There should be a file named bkexpora_yyyymmddhh dmp where yyyy is the year mm is the month dd is the day and hh is the hour at the time of the backup This is the lt DumpFileName gt 5 Use the ftp command to put the backup file onto the SSPFS Use the maint userid and password when prompted sdm gt ftp lt SSPFS IP Address gt 6 Change the transfer type to binary mode ftp gt bin 7 Change the local directory to tmp ftp gt Icd tmp 8 Change to the remote directory on the SSPFS where the backup file will be restored to ftp gt cd var tmp 9 Put the backup file onto the SSPFS ftp gt put lt DumpFileName gt 10 Exit out of ftp ftp gt quit 11 Log onto SSPFS as root user ALR Ren HO Da Arhvesad yen O Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Issue Date 19 11 2004 Page 11 of 19 12 Issue following command to become oracle user sspfs gt su oracle 13 To restore the Backup File issue following command sspfs gt opt nortel sspfs bks rsimpora lt DumpFileName gt HLR Netra 240 Data Archive and System Recovery MOP NORTEL Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Iss
4. NORTEL Method of Procedure HLR Netra 240 Data Archive and System Recovery MOP NSS 17 Doc Ver GHNDRMOP AA06 Issue Date 19 11 2004 Information subject to change without notice The information disclosed herein is proprietary to Nortel Networks and is not to be used by or disclosed to unauthorized persons without the written consent of Nortel Networks The recipient of this document shall respect the security status of the information All trademarks reserved 2003 Nortel Networks Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Issue Date 19 11 2004 Page 2 of 19 THIS PAGE IS INTENTIONALLY LEFT BLANK ALR Ran HO Das Artivemd yen O Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Issue Date 19 11 2004 Page 3 of 19 Table of Contents 1 About this document s sessoesoessessoesoesseesossossseesoesooesoesoecooeseesoesoossoesoesoossossoesoossoesosee 5 l l Totended PROCITE 2s cite ccccese acess aheastetsiaieaseigexesieainessy A E 5 1 2 Indication of hypertext links ee eeecceeseceteceeeeseeeeeaeecueceeeseeeeeseeeaeees 5 1 3 Software release applicability scssssincsscicssssascsadesesniaceseaiadersesieadasesssnoetereageiasss 5 1 4 Special text conventions in this document cece cet ceeeeeeeeseeeeteeeeeeeees 6 2 CDV GE VIGW AEE ET E O OE E 7 3 Proc dUTCSsissssssssossssesivassovosossssssssassossrsusstosioessessosessssssosssorssvsssoessvessevss sssossssesstisrsssS 8 4
5. Terms and Abbreviations sessseseesoesooesoesoesooesoesoesooesosssesoossoesoessossossseesoseoosseesose 18 5 ate co cessere tess tiesa ossen sesat KETENTEST EEEE 19 R O Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Issue Date 19 11 2004 Page 4 of 19 Revision Information Version Issue Date Description of Changes Edited By AAO1 07 07 03 First release draft Steve Nattress AA02 21 07 03 Second release reviewed Steve Nattress Anos aamu ene eid trom Bele testing Steve Nattress preliminary AA04 28 01 04 Anding eae MEE Steve Nattress preliminary AAOS 24 10 04 Editorial changes Brent Jenkins AA06 19 11 04 Applied updated Nortel logos Brent Jenkins Document Status Preliminary HLR Netra 240 Data Archive and System Recovery MOP NORTEL Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Issue Date 19 11 2004 Page 5 of 19 1 About this document This NSS17 SSPFS Succession Server Platform Foundation Software MOP gives the procedures for backing up and restoring data on the NSS 7 SSPFS on the Sun Netra 240 It also covers how to swap the hard disks and system configuration card to a standby server in the case of server hardware failure and the replacement of a single hard disk following a hard disk failure This document has a system level focus and is limited to the NSS17 release It does not discuss the installati
6. dentifies the SSPFS input prompt e ftp gt identifies the FTP input prompt e identifies the Solaris root prompt Commands and fixed parameters Commands and fixed parameters that are entered at a terminal are shown in bold text For example sdm gt Is la Variable parameters Variable parameters that are entered at the command line are shown enclosed in angle brackets For example sdm gt ftp lt Netra 240 IP Address gt Entering data The term enter in procedural documentation indicates that the user should type in the indicated commands and parameters and then press the Enter key on the keyboard ALR Ran HO Das Artivemd yen O Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Issue Date 19 11 2004 Page 7 of 19 2 Overview In NSS17 the SSPFS on Sun Netra 240 does not have a tape drive to use in the standard SSPFS backup procedure This document contains a MOP on how to backup the SSPFS critical data using the tape drive on the SDM and how to recover this critical data following a complete outage A feature of the Sun Netra 240 means that a cold standby recovery procedure is possible by swapping the hard disks and system configuration card to a second Sun Netra 240 This document contains a MOP on how to carry out this procedure which would be used following an outage due to faulty hardware on the Sun Netra 240 that did not affect the hard disks The SSPFS uses disk mirroring to provide protection aga
7. e documentation states that both disks will appear when using the format tool This is incorrect and both disks will only appear after they have been configured To proceed with this step enter either number 0 or 1 depending on which drive is visible and quit out of the format tool Continue with the remaining steps When complete return to this procedure and do step 16 16 WARNING The following command is extremely dangerous and if entered incorrectly could have non recoverable error so check the command VERY carefully before pressing enter HER Netra 240 Data Archive and System Recovery MOP NORTEL Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Issue Date 19 11 2004 Page 17 of 19 prtvtoc h dev rdsk clt0d0s2 fmthard s dev rdsk clit1id0s2 fmthard New volume table of contents now in place 17 Reattached the sub mirrors that were on the failed disk metattach d5 d4 d5 submirror d4 is attached metattach d2 dl d2 submirror dl is attached metattach d8 d7 d8 submirror d7 is attached metattach dll d10 dll submirror d10 is attached metattach d100 dl102 d100 submirror d102 is attached 18 Add 2 copies of the metadb back onto slice 7 of the newly replaced disk metadb a c 2 cltl1d0s7 Go to step 19 19 You have completed this procedure Note It may take several hours for the disks to re sync Progress may be check
8. ed using the following command metastat grep Resync in progress Q Resync in progress 4 done Resync in progress 65 done Resync in progress 79 done Resync in progress 46 done Resync in progress 36 done HLR Netra 240 Data Archive and System Recovery MOP NORTEL Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Issue Date 19 11 2004 4 Terms and Abbreviations CS2M Call Server 2000 Management EM Element Manager FTP File Transfer Protocol GSM Global System for Mobile Communications GUI Graphical User Interface HLR Home Location Register IP Internet Protocol MOP Method Of Procedure SAM21 Service Application Module 21 SCC System Configuration Card SDM SuperNode Data Manager SSPFS Succession Server Platform Foundation Software HLR Netra 240 Data Archive and System Recovery MOP Page 18 of 19 NORTEL Doc Ver Issue Date 5 References HLR Netra 240 Data Archive and System Recovery MOP AA06 19 11 2004 Page 19 of 19 Reference Document Name Title Comments 1 817 2699 10 Netra 240 Server Service Manual ce from SSPFS Software Installation and 2 24 0736 Commissioning SSPFS IM Netra 240 Software Installation and 3 24 9082 Commissioning 4 NN1002011 04 01 CS2M Tools NTP Passport 8600 and Netra 240 5 12 9078 Hardware Installation for HLR Solution 6 Notes 1 http www sun com products n solutions hardware d
9. er e Removal of the SCC is described in reference 1 pages 36 37 e Insertion of the SCC in is described in reference 1 pages 37 38 steps 1 amp 2 only 3 Both hard drives must be moved such that they re locate to the same physical slot position on the standby server as they occupied on the faulty server Follow Sun Documentation and remove both hard disks from faulty server and insert the disks again following Sun Documentation into the standby server e Removal ofa hard drive is described in document reference pages 38 41 steps 6 7 9 10 o Note since the drives are being removed whilst the unit is powered off start the procedure at step 6 ignoring step 8 this is indicated by hyperlink the document e Installing a hard drive is described in document reference 1 pages 41 42 steps 1 5 o Note since the drives are being installed whilst the unit is powered off only steps 1 5 are required this is indicated in the document HER Netra 240 Data Archive and System Recovery MOP NORTEL Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Issue Date 19 11 2004 Page 13 of 19 4 Swap the Ethernet cables from the faulty server into the standby server 5 Power up the standby server Note it s suggested that a laptop PC or terminal is attached to console serial port to observe the boot up process See document reference pages 76 for details options on how to do this Follow proced
10. inst a single disk failure This document provides a MOP for replacing a single failed disk and recreating the mirroring This document contains four distinct procedures e To back up the SSPFS data to a tape follow the procedure detailed in section 3 1 1 e To restore the SSPFS data from a tape follow the procedure detailed in section 3 1 2 e To perform the Cold Standby system recovery follow the procedure detailed in section 3 2 e To perform a single hard disk replacement follow the procedure detailed in section 3 3 2 1 Document Pre conditions The procedures in this MOP assume that the following preconditions have been met e User has root userid access on the SDM e User has root userid access on Netra 240 e For the SSPFS restore data procedure the SSPFS software and file structure must have already been set up using IM 24 9082 e For the Cold Standby and Single Disk Replacement procedures the IP address of the Netra 240 is known e For the Cold Standby and Single Disk Replacement procedures the user needs access to Sun Documentation reference 817 2699 10 See Note Note This Sun Microsystems document may be downloaded from the following URL http www sun com products n solutions hardware docs Servers Netra_Servers Netra_240 index html HER Netra 240 Data Archive and System Recovery MOP NORTEL Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Issue Date 19 11 2004 Page 8 of 19 3 Proced
11. mirror d6 is attached metattach d11 d9 dll submirror d9 is attached metattach d100 d101 d100 submirror d101 is attached N O Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Issue Date 19 11 2004 Page 16 of 19 12 Add 2 copies of the metadb back onto slice 7 of the newly replaced disk metadb a c 2 clt0d0s7 Go to step 16 13 Detach all of the sub mirrors on the failed disk metadetach d5 d4 d5 submirror d4 is detached metadetach d2 dl d2 submirror dl is detached metadetach d8 d7 d8 submirror d7 is detached metadetach d11 d10 dll submirror d10 is detached metadetach d100 dl102 d100 submirror d102 is detached 14 Remove any copies of the Meta DB from the failed disk metadb d clt1d0s7 15 Locate disk clt1d0 Use the documentation for the Netra 240 reference 1 to physically replace the disk firstly remove the faulty disk and then install the new one Supplementary notes to Sun Documentation reference 1 The procedures can be found in the Hard Drives chapter Removing a Hard Drive e Instep 1 of the procedure to remove a hard disk having determined the faulty drive is still visible to the operating system enter its number 0 or 1 and then quit out of the format tool Continue with the remaining steps Installing a Hard Drive e Instep 6 of the procedure to install a hard disk th
12. ocs Servers Netra_Servers Netra_240 index html HLR Netra 240 Data Archive and System Recovery MOP NORTEL
13. on and commissioning of specific nodes in the network Please refer to the relevant documentation for installation and commissioning 1 1 Intended Audience This publication is intended for e Nortel customers network operators e Nortel network engineering teams e Nortel VO teams e Nortel global software delivery teams N N Yortel GPS teams Yortel network integration team 1 2 Indication of hypertext links Hypertext links in this document are indicated in blue If you are viewing an electronic version of this document such as PDF online click the blue text to jump to the associated section or page If you are viewing a hard copy of the document then please note that these hypertext links are underlined 1 3 Software release applicability This publication is applicable to the SSPFS NSS17 software release Unless this publication is revised it does not apply to releases other than this ALR Ren HO Da Arhivesmd yen O Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Issue Date 19 11 2004 Page 6 of 19 1 4 Special text conventions in this document Commands parameters and responses in this document conform to the following conventions Input prompt gt An input prompt gt indicates that the information that follows is a command For example gt list Different platforms will be identified in front of the input prompt For example e sdm gt identifies the HLRPS SDM input prompt e sspfs gt i
14. t the backup file from the SSPFS Use the maint userid and password when prompted sdm gt ftp lt Netra 240 IP Address gt 6 Change the transfer type to binary mode ftp gt bin 7 Change the local directory to tmp ftp gt Icd tmp 8 Change to the remote directory on the SSPFS where the backup file was created ftp gt cd var tmp 9 Retrieve the backup file ftp gt get lt DumpFileName gt ALR Ren HO Da Antivesad E ee Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Issue Date 19 11 2004 Page 9 of 19 10 Exit out of ftp ftp gt quit 11 Insert a blank tape into the DDS 3 tape drive on the SDM 12 Write the backup file to the tape using the following command sdm gt tar cvf dev rmt0 lt DumpFileName gt HLR Netra 240 Data Archive and System Recovery MOP NORTEL Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Issue Date 19 11 2004 Page 10 of 19 3 1 2 Restore Procedure This restore procedure should be followed after an outage that required the SSPFS to be re installed e g In the unlikely event of a dual disk failure full recovery of the SSPFS on the Netra 240 requires a reinstall of the SSPFS and applications software as described in IM 24 9082 followed by this data restoration procedure Step Action 1 Log onto SDM as maint user 2 Insert backup tape into DDS 3 drive on the SD
15. ue Date 19 11 2004 Page 12 of 19 3 2 Cold Standby MOP This MOP covers how to swap the hard drives and the system configuration card from a faulty SSPFS Sun Netra 240 to another Sun Netra 240 server or standby server This will ensure that a fully functional SSPFS is available as soon as possible and allow the failed unit to be replaced The Netra 240 is not any involved in any part of providing the functional HLR service hence can be swapped out using a cold standby technique Some OAM functionality will be lost whilst the swapout is being undertaken specifically reconfiguration of SAM21 components and low level SAM21 alarms Step Action 1 Ensure that both servers are powered off See page 15 16 of reference 1 Initiate orderly power down Table 2 1 this shuts down Solaris cleanly and then powers down the computing platform Note Power is only removed totally from the unit when the power cables are disconnected or the frame circuit BIP isolates the unit See Installation Method 12 9078 Passport 8600 and Netra 240 Hardware Installation for HLR Solution for BIP details 2 The Netra 240 system configuration card SCC is used to store information that uniquely identifies the server to the network e g MAC addresses host IDs etc This allows H W replacement without requiring associated configuration changes on other network nodes The SCC must be moved from the faulty Netra 240 to the standby serv
16. ure for power up document reference 1 step 1 6 placing the key in the Normal position 0 ok boot SC Alert Host System has Reset Netra 240 No Keyboard Copyright 1998 2003 Sun Microsystems Inc All rights reserved OpenBoot 4 x build_30 TEST 2048 MB memory installed Serial 56145441 Ethernet address 0 3 ba 58 b6 21 Host ID 8358b621 Rebooting with command boot Boot device disk0 b File and args SunOS Release 5 8 Version Generic _108528 19 64 bit Copyright 1983 2001 Sun Microsystems Inc All rights reserved Hardware watchdog enabled The standby server should then boot up as if it were the original SSPFS 6 Assuming this procedure was successful the user should be able launch the Element Manager GUI o Connect to the Netra 240 using an Internet Explorer window on another machine o Login to the Netra 240 using the Userid and Password o Click in SAM21 Element Manager the EM GUI will be launched See CS2M management tools NTP Reference 4 HLR Netra 240 Data Archive and System Recovery MOP N ORT EL Doc Ver HLR Netra 240 Data Archive and System Recovery MOP AA06 Issue Date 19 11 2004 Page 14 of 19 3 3 Single Disk Replacement MOP This MOP covers how to replace a single hard disk on the SSPFS Sun Netra 240 following a disk failure Each Netra 240 is equipped with two hot swap drives c1t0d0 and c1t1d0 Prerequisites e At least one of the hard drives must be functioning Step
17. ures 3 1 Standard SSPFS Back up and Restore MOP It is recommended that the following backup procedure is carried out following any configuration changes on the SSPFS or associated application software configuration changes e g SAM21 Element Manager on the Sun Netra 240 It is recommended that a blank tape is used to back up the data and that only one back up set is stored on this tape The intention of this procedure is produce an archive on to tape that can be used to recover the essential configuration data following a hardware failure 3 1 1 Back up Procedure Step Action 1 Log onto SSPFS Netra 240 as root user 2 Issue following command to become oracle user sspfs gt su oracle 3 To create Backup File issue following command sspfs gt opt nortel sspfs bks bkfullora lt DumpFileName gt Note that the file name extension of the lt DumpFileName gt should be dmp and the oracle user has permission to create files in the specified directory For example all users have permission to create files in directory var tmp so specify the lt DumpFileName gt as something like var tmp bkexpora_yyyymmddhh dmp will guarantee a successful file creation Where yyyy is the year mm is the month dd is the day and hh is the hour at the time of the backup 4 The backup file has now been created To backup this file to tape log onto the local SDM as the maint user 5 Use the ftp command to ge
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