Re: Dump failure
From: Tlhingan (tlhingan1_at_optonline.net)
Date: 12/31/04
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Date: Thu, 30 Dec 2004 21:22:48 -0500
On Thu, 30 Dec 2004 14:28:20 +0000, Simon <ask@me.com> wrote:
>I'm attempting to dump my entire /usr filesystem to a mounted disk, but it
>keeps failing - apparently at the same point. The filesystem is big - 21GB
>- but the mounted disk has plenty of capacity for the task. Here's how it
>goes :
>
>dump -0uan -L -f /mnt/<backupname> /usr
>
> DUMP: Date of this level 0 dump: Thu Dec 30 13:52:42 2004
> DUMP: Date of last level 0 dump: the epoch
> DUMP: Dumping snapshot of /dev/ad0s1f (/usr) to /mnt/usr301204
> DUMP: mapping (Pass I) [regular files]
> DUMP: mapping (Pass II) [directories]
> DUMP: estimated 21741832 tape blocks.
> DUMP: dumping (Pass III) [directories]
> DUMP: dumping (Pass IV) [regular files]
> DUMP: 2.36% done, finished in 3:26
> DUMP: 5.78% done, finished in 2:43
> DUMP: 9.91% done, finished in 2:16
> DUMP: 14.80% done, finished in 1:55
> DUMP: write error 4194340 blocks into volume 1
>
>Broadcast Message from root
> (/dev/ttyp0) at 14:17 GMT...
>
>Message from the dump program to all operators
>
>DUMP: NEEDS ATTENTION: write error 4194340 blocks into volume 1
>DUMP WRITE ERROR!
>
>
>Other filesystems (much smaller) backed-up just fine using the same syntax.
>
>/usr is a live, mounted filesystem, but I thought that would not be an issue
>if -L was specified.
>
>Is there anything obvious I've missed or explanations for this failure?
>
>Thanks for your help.
>
>Simon
maybe a flaw on the disk that only a sufficiently large enough backup
file can reach? I had one (until recently, when I had enough and a
replacement) which worked perfectly 98% of the time - but when a
certain threshold was crossed, zap, write errors. you didn't get any
other errors about writing to disk?
-Tlhingan
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A Conscience is what hurts when everything else feels sooo good.
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