[CentOS] OT iSCSI best practices
ugob at lubik.ca
Thu Apr 9 15:32:49 UTC 2009
Ugo Bellavance a écrit :
> I have an HP MSA 2000i as SAN (iSCSI) and since I'm starting with SANs,
> I'm seeking for advice. We are currently using HP Proliant 380 G5 + MSA
> 70 (SAS, direct-attached storage) for our production servers.
> At first, I thought I'd be using the SAN only for non-critical
> operations, like temporary additional storage for disk-based backups and
> snapshots, so I planned on using my existing network equipement to
> connect the SAN. Now I'd like to use it as storage for some blade
> servers that I want to use for virtualisation, so reliability is more
> I'd just like to evaluate the risk, to make sure I plan correctly. The
> SAN is a dual controller, dual-port, with a mix of RAID10 and RAID 50
> arrays, so this is pretty solid. However, if I'm using only one switch
> to connect the initiators to this SAN, is it more risky than relying on
> the non-redundant RAID controllers that are in my HP servers?
> If it is recommended that I use multipathing, I guess that means 2
> switches, additionnal nics but also another interconnect in the blade
> If you need more information, just let me know :).
I realized this might be too OT, so I posted here...
There are interresting answers.
Regards and sorry for the noise.
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