ADSM-L

NT server restore delay

1999-12-21 10:46:03
Subject: NT server restore delay
From: "Irvine, David (ANFIS)" <dirvi1 AT ANFIS.CO DOT UK>
Date: Tue, 21 Dec 1999 15:46:03 -0000
This may be a totally silly question but . . .

During a restore of an NT server. I noticed that the restore would "pause"
for 2 or 3 minutes at a time. Carrying out a "Query Session" command shows
that the same tape is still mounted and the Sess State is "Run" whilst the
Wait Time is "0s".

The delay is therefore not due to tape mounts nor Send Waits due to a slow
client. The Tapes in question are 9840 and can contain upwards of 50Gb. Is
this delay due to the tape being rewound or forwarded as ADSM looks for the
client data ?

I always thought that client data was contigous on a given tape. . .

David Irvine
Technical Specialist, IT Services
Abbey National Financial and Investment Services plc
Abbey National House 287 St Vincent Street Glasgow G2 5NB
Registered in Scotland No 159852

EMail: dirvi1 AT anfis.co DOT uk
Tel : +44 (0)141-275-7731
Fax : +44 (0)141-275-9199
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