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July 7th, 2008 11:00
Expand Novell LUN online
We have a few older Novell servers which are in the process of being retired. One of them is running Novell 5.7 and needs to have one of its drives expanded.
The Novell team is comfortable with a procedure to do this work - however my question is can the SAN LUN be safely expanded while the server is online or do we need to be cautious and plan to do the actual LUN expansion during the downtime as well?
Went to check on eLab Navigator and found that only Novell 6.5 and greater is listed in the support Matrix any longer.
Fairly certain this is safe to do, but the environment is old enough that I'm leaning towards being cautious unless I can find something saying it is safe.
Thanks.
The Novell team is comfortable with a procedure to do this work - however my question is can the SAN LUN be safely expanded while the server is online or do we need to be cautious and plan to do the actual LUN expansion during the downtime as well?
Went to check on eLab Navigator and found that only Novell 6.5 and greater is listed in the support Matrix any longer.
Fairly certain this is safe to do, but the environment is old enough that I'm leaning towards being cautious unless I can find something saying it is safe.
Thanks.
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RRR
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5.7K Posts
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July 8th, 2008 01:00
I've done online expansion of Netware LUNs before. If you have NSS you can simply add a new LUN to the pool and enlarge a volume on the fly. Make sure that the metaLUN is made up of components that reside on different raid groups because of performance. Striped metas also should have components of the same size, so if you server now has 1 LUN of 150GB, the striped version of the meta will get 150 (or multiples) extra. For concattenated metas you can add whatever extra component you want.
So I guess the question is: are you using NSS ? If so, you can expand online.
Extra remark: if this server is a VM under ESX and your LUN to be expanded is an RDM to your Netware host, you need to shut down the VM, then expand the LUN, then do a rescan, so ESX knows there's a new volume, and then power up the VM again and do the Netware NSS expansion trick.
bodnarg
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385 Posts
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July 8th, 2008 05:00
As it turns-out the host is really running Netware 6.5 SP5 so it is supported which makes me feel a lot better. So - it appears that Navisphere (6.16 agent) must have a bug with its reporting. Since this server is going away in 3-6 months we are just going to let this issue die with the server.
Not a VM and using NSS so we should be good to go.
Thanks.
RRR
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5.7K Posts
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July 8th, 2008 05:00