From: Anthony Firmin (anthony@fccl.co.uk)
Date: Mon May 24 2004 - 13:49:25 EDT
Hi,
We currently have problem with a product called StoreAge SVM (NOT the
Solaris Volume Manager).
The system...
480R, 16G memory, 4 x 1200MHz cpu's.
Solaris 8, kernel rev 117000-03
Veritas Volume Manager and FileSystem 3.5 patched to the latest level.
SAN - Sun 3510 and a Brocade switch (not sure of this model) - the
switch and array are not shared with any other servers.
HBA LP8000, driver 5.02d, firmware 3.91a3
The only "odd thing" about this config is that the HBA is not supplied
by Sun because, apparently, Sun supplied HBA's don't support the "SCSI
Target Processor" so we had to buy a card which does support it.
StoreAge SVM is quite a neat product if you haven't come across it
before - its SAN/Volume management software and allows the user to
create snapshots and copies of volumes very easily and quickly.
It works brilliantly and the users are very impressed too. And
management love it because its cheap!!
Basically you create a volume in SVM and it gets presented to Solaris
as a disk which you then use in the usual way. But it also has PiT's
(point in time) views which are like snapshots and we are utilising
these quite extensively.
But there is a downside...every so often and very unpredictably the
server either panics or hangs. The panics result in the server
crashing. The hangs are similar to stale nfs mounts where a "df -k"
stalls part way through and the only way we can get around them is to
reboot the server. The only common denominator is that the system is
very busy at the time everything goes to pot.
We have sent several crash dumps to Sun who are unable to identify what
is going on. StoreAge claim "its nothing to do with us".
Here are my questions...
Has anyone got any ideas why this may be crashing?
Is there anyone on this list using StoreAge SVM?
If so, have you experienced similar problems to us?
And what do you think of StoreAge SVM?
Cheers and thanks in advance for any replies. I will post a suitable
summary!!
Anthony
"Let Macs rule the world"
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