Backups and restores in RHEL Post: 302937684

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Operating Systems Linux Red Hat Backups and restores in RHEL Post 302937684 by aaron8667 on Saturday 7th of March 2015 06:53:24 PM

03-07-2015

Registered User

Backups and restores in RHEL

Hi,

I am new to RHEL. and started exploring/learning RHEL from last few months.

I understood LVM and other system admin concepts. But I did not get a chance to explore backup/restore options in RHEL.

Can you please explain the procedure on how backups/restores work in linux environment?

Once we install RHEL, how we usually take OS backups (how often) in organization (small/big) and how we restore when needed.
As a LINUX sys admin, is it our responsibility to backup/restore the USER/App/Databse information on RHEL server ? If yes, how we are running backups/restore ?
I am already working on AIX, just want to compare to see if anything similar tools in LINUX.
We've mksysb (OS backup utility) in AIX to capture/restore rootvg/root fs. Is there any similar command in RHEL ?

Please explain.

Thank you

Last edited by rbatte1; 03-09-2015 at 10:06 AM.. Reason: Added LIST=1 tags and corrected spelling/case

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LEARN ABOUT OPENSOLARIS

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)