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тАО10-04-2007 03:10 AM
тАО10-04-2007 03:10 AM
We are planning to extend one logical volume - file system. We are looking for the best way to backup/recover this one file system in case we need to. Since this file system in not in the /dev/vg00 volume group could we use Ignite-UX or should we use some other utility?
10 points to any good answer.
Thank you
Gino
Solved! Go to Solution.
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тАО10-04-2007 03:18 AM
тАО10-04-2007 03:18 AM
SolutionIgnite is designed and intended for vg00.
Depending upon the size of files in the filesystem, you could use 'tar' or 'pax' or 'cpio'.
My choice would be to use 'fbackup' since it supports largefiles (>2GB) and has intrinsic integrity checking as a tape archive is created and later recovered (via 'frecover').
Regards!
...JRF...
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тАО10-04-2007 03:20 AM
тАО10-04-2007 03:20 AM
Re: Best practice to backup (restore) a non-vg00 file system.
use backup and recover from SAM - also good to recover only parts or in new directories.
(same as fbackup and frecover, but with a GUI)
Volkmar
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тАО10-04-2007 03:23 AM
тАО10-04-2007 03:23 AM
Re: Best practice to backup (restore) a non-vg00 file system.
I would go with fbackup also, it is much better than tar, cpio and pax in that you have more options and has better integrity checking as James has already mentioned.
Hope that helps
Mike.
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тАО10-04-2007 03:47 AM
тАО10-04-2007 03:47 AM
Re: Best practice to backup (restore) a non-vg00 file system.
Very few production systems can afford the downtime required to back up a filesystem, unmount it, extend the LVOL and filesystem, and remount it.
Assuming that you have a good recent backup, I would "go for it". This is one of the reasons it is so vital to have a Sandbox (or at least a test system) so that you can perfect your procedures before you have to do them "for real".
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тАО10-04-2007 03:55 AM
тАО10-04-2007 03:55 AM
Re: Best practice to backup (restore) a non-vg00 file system.
Gino,
I will still prefer fbackup/frestore solution, because it is easy of use (by commandline or SAM GUI)
WK
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тАО10-04-2007 05:33 AM
тАО10-04-2007 05:33 AM
Re: Best practice to backup (restore) a non-vg00 file system.
fbackup -i /path_to_files -i path_to_more_files -f /dev/rmt/?m
more details man fbackup
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тАО10-04-2007 06:22 AM
тАО10-04-2007 06:22 AM
Re: Best practice to backup (restore) a non-vg00 file system.
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тАО10-04-2007 07:21 AM
тАО10-04-2007 07:21 AM
Re: Best practice to backup (restore) a non-vg00 file system.
If the size is small enough, a cp will be easy, if a filesystem with lot of linkfiles, then a dd or a cpio. If the size good enough to fit into a tape, then tar or fbackup. If no tape drives available, then the solution will be to have the Enterprise backup solutions to work for you.
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тАО10-04-2007 12:41 PM
тАО10-04-2007 12:41 PM
Re: Best practice to backup (restore) a non-vg00 file system.
Contents of the config-file:
============================
blocksperrecord 4096
records 64
checkpointfreq 4096
readerprocesses 6
maxretries 5
retrylimit 5000000
maxvoluses 200
filesperfsm 2000
---------------------------------------------
Example for a complete backup starting at / (root):
fbackup -i / -v -c /etc/fbackup.cfg -f /dev/rmt/0m
------------------
Display the tape header with dates:
frecover -V - -f /dev/rmt/0m
Display the table of contents:
frecover -I - -f /dev/rmt/0m
Bill Hassell, sysadmin