Which versions of vdump had problems backing up nfs partitions.

From: MacDonell, Dennis <DennisMacDonell_at_mailhost.auslig.gov.au>
Date: Thu, 26 Oct 2000 16:42:17 +1100

Hi,

I noticed there were some people out there using vdump to backup nfs
partitions. I have had assorted problems backing up across the network using
commands of the form

rsh <host> vdump -f - <partition> | dd of=<some tape device> bs=<default
vdump block size>

The problem asserted itself with vrestore not being able to understand the
saveset that has been written to tape by dd rather than vdump directly.

Currently we are running various versions of Tru64U from 4.0D to 5.0A.

I thought I would swap to dumping nfs partitions. I'm testing out the
possibility of dumping an nfs mount on a workstation with 4.0F and I'm
getting the following message

NFS3 RFS3_READDIRPLUS failed for server bob : RPC: Can't decode result

I have assumed for the moment that this might be related to what people were
saying in respect of vdump trying to update atimes for nfs files. Personally
I can't see the logic behind a dump program changing anything with respect
to a file/directory's inode.

So does anyone know
(a) which versions of vdump should work without problem for nfs mounts,
(b) whether the above message is related to this atimes thing.

Dennis
 
######################################
Dennis Macdonell
Systems Administrator
AUSLIG
mail: PO Box 2, Belconnen, ACT 2617
email: mcdonell_at_auslig.gov.au
ph: 61 2 6201 4326
fax: 61 2 6201 4377
######################################
Received on Thu Oct 26 2000 - 05:43:37 NZDT

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