Backup question Post: 302297377

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Operating Systems AIX Backup question Post 302297377 by kogor on Friday 13th of March 2009 07:38:56 AM

03-13-2009

Registered User

Backup question

Hi All!
I'm rather new in AIX so I want some comments about backup scheme I've developed to backup every part of the system. I have the following hardware:
- Power6 570 server with two VIO server and 3 LPARs
- NIM server outside (on the other Power server)
- Windows 2003 Server with Tivoli Storage Manager 5.5.2 Server and TS3100 Tape Library connected by SCSI (we have planned to backup only DB2 on the tape, because we don't have any backup software except TSM API for DB2)

VIO server 1.5.2 FP11 SP1
LPAR - AIX6.1 TL2

I have installed this software on LPAR:

LPAR1 - WebSphere Message Broker
LPAR2 - WebSphere Application Server
LPAR3 - DB2 9.1

Now the backup procedures. I included restore methods in ().
1) HMC - Back up HMC Data - backup by FTP, and then burn to DVD (restore: Install HMC from shipped (or downloaded) CD and then restore this backup into HMC)
2) VIO server:
- rootvg - backup by backupios commend into nim_resources.tar on file system mounted by NFS, then burn to DVD (Restore: by NIM server. As I've read AIX 6.1 supports install from nim_resources.tar, not only from mksysb)
- hdiskX (on them are LPARs rootvg volume groups installed) I don't see any reason and possible methods to backup them. LPAR rootvgs are backed up later. So I think it's enough.
- !Question! Should I do savevgstruct for this hdiskX? Actually I didn' get what is the use this command... As I understood, after restoring from mksysb (done by backupios) LPARs rootvg all information about other volume groups, user settings and virtual device mappings should be restored also.
3) LPAR:
- rootvg - back up by NIM server (mksysb), and burn to DVD(Restore: by restore command from NIM server)
- for WMB and WAS partitions I want backup shared volume group on which WAS profile and message broker archive files placed by savevg command, because they are simple files. Burn images to DVD. (Restore: restvg)
- for DB2. I have enable "Archive logs" for DB. Logs are backed up by TSM API to the TSM Tape Library. One time in week I want to do full DB backup. !QUESTION! Should I do incremental backup every evening? Or in case "Archive logs" I shouldn't do that? (Restore: by means DB2, firstly restore full DB backup and then restore archived logs.)

Please comment this scheme. Will be these backups enough to restore every part of system? I'm afraid that I missed something...
P.S. All rootvg volume groups are installed on internal server disks. DS4700 contains LPAR user defined volume groups. DS4700 have an option VolumeCopy enabled but I don't see any ability to use it in my scheme. Or may be I just didn't get the meaning of this feature. Is't possible to use VolumeCopy in any step in my scheme?

Any comments are appreciated!
Thank you in advance!

kogor

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LEARN ABOUT MOJAVE

vgcfgrestore

VGCFGRESTORE(8)                                               System Manager's Manual                                              VGCFGRESTORE(8)

NAME

       vgcfgrestore - restore volume group descriptor area

SYNOPSIS

       vgcfgrestore [-d|--debug] [-f|--file filename] [-l[l]|--list] [-h|--help] [-M|--Metadatatype1|2] [-t|--test] [-v|--verbose] VolumeGroupName

DESCRIPTION

       vgcfgrestore  allows  you  to  restore  the metadata of VolumeGroupName from a text backup file produced by vgcfgbackup.  You can specify a
       backup file with --file.  If no backup file is specified, the most recent one is used.  Use --list for a list of the available  backup  and
       archive files of VolumeGroupName.

OPTIONS

       -l | --list -- List files pertaining to VolumeGroupName
              List  metadata  backup  and  archive  files  pertaining  to VolumeGroupName.  May be used with the -f option.  Does not restore Vol-
              umeGroupName.

       -f | --file filename -- Name of LVM metadata backup file
              Specifies a metadata backup or archive file to be used for restoring VolumeGroupName.  Often this file has been created with  vgcfg-
              backup.

       See lvm for common options.

REPLACING PHYSICAL VOLUMES

       vgdisplay  --partial  --verbose will show you the UUIDs and sizes of any PVs that are no longer present.  If a PV in the VG is lost and you
       wish to substitute another of the same size, use pvcreate --restorefile filename --uuid uuid (plus additional arguments as appropriate)  to
       initialise  it with the same UUID as the missing PV.  Repeat for all other missing PVs in the VG.  Then use vgcfgrestore --file filename to
       restore the volume group's metadata.

SEE ALSO

       lvm(8), vgcreate(8)

Sistina Software UK                                      LVM TOOLS 2.02.95(2) (2012-03-06)                                         VGCFGRESTORE(8)

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