Novell restores taking long time
1998-03-30 06:51:52
Hello ADSM people,
We have a problem with restores of Novell clients. We have one
running at the moment that is restoring at a rate of approx 4 - 7 mb an
HOUR!
An earlier restore ran smoothly and restored 400 mb in 4 hours
over a 16mbit / sec Token Ring. This restore was to a clean empty disk.
The current slow restore has replace=no set because there are
files already on the disk we do not wish to restore over. The processor
utilisation on the Novell box is approx 4%. The ADSM server, an AIX 4
RS6000 shows no kind of wait times with a q sess and its processor is
running at about 30% and the Network is not overloaded according to the
comms people.
As far as we can tell, ADSM sends the Novell box a chunk of
files when the Novell box requests it, and this goes over the network
quite quickly. Then the novell box sits there for ages restoring the
files / decompressing them / determining if the file should be skipped
(replace = no) before it asks for more from the ADSM server.
We were wondering if there are any O/S parameters for Novell
that we could change to help it along (f/s buffers/cache's etc ???), or
if there are any known issues with ADSM restores on novell.
The restore is still going, and half an office is having a lazy
day untill we can get the box back up!!
Any Novell Guru's or ADSM people who know the magic answer?!
Thanks,
Matthew Warren,
HOIST: ADSM (FAB) & Unix support
Marks and Spencer Plc
Baker Street, London.
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