On Tue, Jun 06, 2000 at 11:47:16PM +0100, Lars Hecking wrote:
> I don't know anything about dump internals, but could it be related
> to heavy disk activity? The machine is hardly in quiescent state,
> but runs usually at a load of 1.x, and the process may create
> temp files anywhere from a couple of dozen to a few hundred MB in size.
> Just while I was watching the backup fail, df varied by maybe 200MB.
The error mentioned doesn't sound like that, but more like a partition
thing. I would definitely concur with dismounting the partition and fsck'ing
it. However, because of the way dump works it is a seriously bad idea to use
dump to backup a non-quiescent filesystem. The backup may appear to work
but you may have restore problems. I think in the worst case you may restore
something other than what you dump - this might be regarded as bad :-)
This problem is not mentioned in the Linux dump man page, but it is very
much a known issue for Sun sysadmins, and Linux dump is derived from
original BSD dump sources, so I'm presuming it has similar issues.
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