help with back up please Post: 8756

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Top Forums UNIX for Advanced & Expert Users help with back up please Post 8756 by guest100 on Wednesday 17th of October 2001 11:17:04 AM

10-17-2001

Registered User

Thanks Perderabo,

To make things a bit more clear,
I use:

<pre>

mt -f /dev/rmt/0cn rewind // no rewind, so I have everything in the same dat tape

ufsdump 0uf /dev/rmt/0cn /dev/dsk/c0t0d0s0 //mounted on /
ufsdump 0uf /dev/rmt/0cn /dev/dsk/c0t0d0s3 //mounted on /var

ufsdump 0uf /dev/rmt/0cn /dev/dsk/c0t0d0s4 //mounted on /home

ufsdump 0uf /dev/rmt/0cn /dev/dsk/c0t0d0s5 //mounted on /u01
ufsdump 0uf /dev/rmt/0cn /dev/dsk/c0t1d0s0 //mounted on /u02
ufsdump 0uf /dev/rmt/0cn /dev/dsk/c0t1d0s1 //mounted on /u03

ufsdump 0uf /dev/rmt/0cn /dev/dsk/c0t1d0s3 //mounted on /u04
</pre>

So the above commands back up the root filesystem. When it finishes, the tape is left positioned after the root backup.

How do I backup the rest (inside files). I mean when for instance I backup /var/ does this mean that I back up everything inside the /var directory including all the sub-directories?

So I have several backups on the same tape. When I put the tape on and do a ufsrestore, you see only the first backup.(I suppose I have to rewind the tape before the restore , correct?

"Want to see the second backup? Do:
<pre>
mt -f /dev/rmt/0cn fsf 1
</pre>
first. This will skip the first backup and leave you positioned at the second."
what happens when I do a ufsrestore -i
Am I able to choose ??

Thank you for your help

guest100

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LEARN ABOUT SUSE

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 2.02.67(2) (2010-06-04)					   VGCFGRESTORE(8)