Question

Help! Trouble when using vsdump command

Asked by: terrywong

Hi,

The dump command I used is “/usr/sbin/vxdump cf /dev/rmt/0cn /apple/orange” and
I check file system is vxfs by using command fstyp. But retuning one error:

“vxfs vxdump: /apple/orange wrong file type”

Is there anything wrong with argument? I try 0fu, but it's the same error message. Cannot go to subdirectory level?

Thanks

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Asked On
2003-08-19 at 00:22:48ID20713493
Tags

vxdump

Topic

Sun Solaris

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Answers

 

by: yuzhPosted on 2003-08-19 at 01:01:30ID: 9179273

use:

/usr/sbin/vxdump 0uf /dev/rmt/0cn /filesystem  

eg:

/usr/sbin/vxdump 0uf /dev/rmt/0cn /apple/orange

man vxdump

 

by: terrywongPosted on 2003-08-19 at 01:34:32ID: 9179394

Sorry, typing error, actually I tried 0uf already..

 

by: JustUNIXPosted on 2003-08-19 at 04:03:18ID: 9180026

Supply the raw device (!) for the filesystem instead of the mount point. The command should read
something like
  vxdump 0f /dev/rmt/0cn /dev/rdsk/c0t3d0s6
or
  vxdump 0f /dev/rmt/0cn /dev/vx/rdsk/orange

 

by: NisusPosted on 2003-08-19 at 12:49:34ID: 9183521

Hi,

What do you mean by: "Cannot go to subdirectory level?"

vxdump backs up partitions.  ufsdump can backup directory trees within a partition, but vxdump can't I think.

Is this the problem you are having?

Regards, Nisus
http://www.omnimodo.com

 

by: JustUNIXPosted on 2003-08-20 at 00:18:35ID: 9186309

Nisus,

vxdump works the same way as ufsdump (or plain old dump). The only
difference between ufsdump and vxdump is that ufsdump is for UFS and
vxdump is for Veritas (VX) filesystems. Both will read directly from the
underlying raw-device backup up the whole filesystem.

 

by: terrywongPosted on 2003-08-20 at 02:46:41ID: 9186895

Hi All,
Thanks for your reply.
I tried to apply raw device as JustUnix suggested, but it failed also--- "Cannot find file system".
Our file system looks like as followed and it's SUN T3 storage and managed by Volume Manager. The problem is due to this?

/dev/vx/dsk/sdg00/vol00                104857600 48622224 55796256    47%    /apple

Thanks

 

by: JustUNIXPosted on 2003-08-20 at 02:59:39ID: 9186931

What did you supply as raw-device? It should read
  vxdump 0f /dev/rmt/0cn /dev/vx/rdsk/sdg00/vol00

Note the "rdsk" instead of "dsk"

 

by: NisusPosted on 2003-08-20 at 13:04:02ID: 9190943

This is strange.

We are assuming that vxdump is what it usually is, i.e. the Veritas version of ufsdump.  Have you confirmed that?  Try backing up a different partition to make sure.

Can you backup just /apple, i.e. the mount point.

Also, is /apple on the same machine that you are trying to run the vxdump from.  I want to eliminate NFS file systems.

Don't worry, we'll get this problem solved.

 

by: JustUNIXPosted on 2003-08-21 at 01:37:03ID: 9194000

Seems a local fs consodering the output
/dev/vx/dsk/sdg00/vol00                104857600 48622224 55796256    47%    /apple

terrywong, could you show us the output of
  mount | grep /apple
please?

 

by: terrywongPosted on 2003-08-21 at 01:48:35ID: 9194044

Thanks!
# mount | grep /apple
/apple on /dev/vx/dsk/sdg00/vol00 read/write/setuid/log/nolargefiles/dev=33   d57c1 on Mon Jul  7 07:23:42 2003

I don't have any problem to vxdump /apple (See following log file). The problem appers when I tried to select dump the subdirectory, which is /apple/orange

*************************
vxfs vxdump: Date of this level 0 dump: Thu Aug 21 12:25:26 2003
vxfs vxdump: Date of last level 0 dump: the epoch
vxfs vxdump: Dumping /dev/vx/rdsk/sdg00/vol00 (/apple) to /dev/rmt/0cn
vxfs vxdump: mapping (Pass I) [regular files]
vxfs vxdump: mapping (Pass II) [directories]
vxfs vxdump: estimated 96534346 blocks (77135.91MB).
vxfs vxdump: dumping (Pass III) [directories]
vxfs vxdump: dumping (Pass IV) [regular files]
vxfs vxdump: 4.16% done, finished in 2:55
vxfs vxdump: 7.89% done, finished in 2:56
vxfs vxdump: 12.21% done, finished in 2:37
vxfs vxdump: 16.53% done, finished in 2:11

....
....
vxfs vxdump: 94.30% done, finished in 0:06
vxfs vxdump: 98.25% done, finished in 0:02
vxfs vxdump: vxdump: 96526694 tape blocks on 1 volumes(s)
vxfs vxdump: Closing /dev/rmt/0cn
vxfs vxdump: vxdump is done
Ending Full System Backup for Libalephprd on  Thu Aug 21 14:29:18 SGT 2003

 

by: JustUNIXPosted on 2003-08-21 at 02:11:16ID: 9194148

That's OK. vxdump (as well as ufsdump) always dump the whole file
system (wich is /apple or /dev/vx/rdsk/sdg00/vol00 here). Dumping
a subdirectory is NOT possible.

Cheers

 

by: NisusPosted on 2003-08-21 at 12:23:55ID: 9198053

Hi again,

As I have said earlier, vxdump operates on the entire filesystem.  ufsdump can in fact backup part of a filesystem, but the log will specify the mount point.  You can tell by the amount of data dumped.

Perhaps you can use tar or cpio?

Regards, Nisus
http://www.omnimodo.com

 

by: JustUNIXPosted on 2003-08-31 at 03:03:55ID: 9256599

What is different in Nisus' answer than mine? I've already stated that the whole fs (raw divice as argument) will be saved.

 

by: NisusPosted on 2003-08-31 at 14:10:33ID: 9258338

I think it's the part that ufsdump can backup part of a filesystem and that vxdump only backs up the entire partition.

 

by: JustUNIXPosted on 2003-09-01 at 01:38:06ID: 9260358

Maybe ... but it's his to chosse, anyway

 

by: terrywongPosted on 2003-09-01 at 02:25:09ID: 9260540

Hi JustUnix, Nisus, and all others,

I appreciate all of your's help! But the system only allow me to chose one answer... anyway, thanks again...

20120131-EE-VQP-002

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