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May 25th, 2007 08:00
Netware Clusters and ISCSI shared storage
Hi folks,
New to the forum, new to ISCSI, new to celerra and new to netware...hows that for a background...lol...
I'm a symm/clariion/windows guy for the navy in new orleans...my corporate folks purchased a celerra nas (NS351) with cx300 storgage...IT MGR is a Netware guy, thus the Netware...
He wants to create a NW 6.5 SP6 2 node cluster with shared storage via the celerra.
I've been digging for some documentation on this, but havent found any...
Heres the situation.
2 nodes, both nodes can see the shared storage, but the shared storage is exactly that...shares.
I suspect, the file system needs to be configured as iscsi lun's presented to the hosts as a physical disk...Is this assumption correct...
Any help / light shedding would be appreciated...
Thanks bruce
New to the forum, new to ISCSI, new to celerra and new to netware...hows that for a background...lol...
I'm a symm/clariion/windows guy for the navy in new orleans...my corporate folks purchased a celerra nas (NS351) with cx300 storgage...IT MGR is a Netware guy, thus the Netware...
He wants to create a NW 6.5 SP6 2 node cluster with shared storage via the celerra.
I've been digging for some documentation on this, but havent found any...
Heres the situation.
2 nodes, both nodes can see the shared storage, but the shared storage is exactly that...shares.
I suspect, the file system needs to be configured as iscsi lun's presented to the hosts as a physical disk...Is this assumption correct...
Any help / light shedding would be appreciated...
Thanks bruce
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Rainer_EMC
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May 25th, 2007 15:00
Since its a cluster you need to enable access for both Netware nodes to these ISCSI LUNs on the Celerra thru the ISCSI masking.
From then on the ISCSI LUNs look like other FC storage to the Netware servers
BruceSummers
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May 25th, 2007 18:00
2. did so, both nodes have masking to allow access to the shared storage lun.
We may just have the cluster misconfigured...I'm working with my Netware admin on the netware stuff...
initially, both cluster nodes can "see" the luns as "shares", but when the cluster is failed over from the active node to the standby node, it loses visibility to the storage.
these arent CIFS luns, but rather iscsi LUNs...
and since i'm new to netware and iscsi luns, i'm not sure what they are suppose to "look" like within remote manager or via nssmu.
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BruceSummers
Rainer_EMC
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May 26th, 2007 03:00
IMPORTANT:If you intend to install Novell® Cluster Services¿ software on an iSCSI initiator server, in most cases you should do so after installing and configuring iSCSI initiator software and before creating NSS partitions on the disks on the shared disk system.
An exception to this might be if you are switching from fibre channel hardware to iSCSI.
see http://www.novell.com/documentation/iscsi1_nak/index.html
you probably need to cluster-enable the pool
http://www.novell.com/documentation/oes/cluster_admin/index.html?page=/documentation/oes/cluster_admin/data/h4hgu4hs.html#h4hgu4hs
brucecmc
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May 26th, 2007 04:00
but i'm pretty sure the cluster was created after the iscsi initiator was installed. I say this because my netware guy was able to see the shared storage prior to configuring the cluster services. and we werent migrating from fc to iscsi...
and he did mention in one of our discussions that he had cluster enabled the pool.
we've put it to rest for the weekend...its not in production (yet), heading that direction by next weekend...but, certainly if you have additional thoughts...hit me with them..
I'll relay this info to my NW admin...
thanks for the info
bruce