Checking a vdump

From: Millard Simon <Simon.Millard_at_barclays.co.uk>
Date: Mon, 08 Jun 1998 11:46:00 +0000 (GMT)

Hi Alpha Gurus, me again.

Another question - this time regarding vdump and vrestore.

I have had a problem recently with bad media invalidation backups. The
media fault was not picked up during vdump so I assumed that the backup
was successful.

I had to reload the root filesystem last weekend and to my horror,
virtually all last weeks tapes had some form of media corruption - shock
horror!!!!

I finally managed to reload the root filesystem from a backup over 10
days ago - this solved my problem.

My question is this - and I have probably answered it myself, but I am
after second opinions.

I want to use the following segment of script to check that the tape has
read back successfully but has not overwritten any data. My filesystems
have been cloned for the backup.

vrestore -xf /dev/nrmt0h -D /dev/null
rc=$?
if [ $rc -eq 0 ]
then
 echo "Files verified successfully"
else
 echo "I think you have a problem!!"
fi


And remember, assumption is the mother of all cock-ups!

Simon Millard

E-mail
Internet: Simon.Millard_at_barclays.co.uk
Internal: millars1_at_landsend.ple.barclays.co.uk

Address
CAS - GES/Open Systems Support
Barclays Technology Services
Poole Computer Centre
81, Sopers Lane
Poole, Dorset

Telephone:
External: +44 (01202) 601155 ext. 2417
Internal: C/W 7-4160-2417
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Received on Mon Jun 08 1998 - 13:02:06 NZST

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