[CentOS] Xen, GFS, GNBD and DRBD?
Tom Lanyon
tom at netspot.com.auThu Jan 3 01:15:58 UTC 2008
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On 03/01/2008, at 9:55 AM, Ross S. W. Walker wrote: > > Take a look at iSCSI for the storage servers. iSCSI Enterprise > Target is what I use here and it works well for us. > > You don't really need shared filesystems if you are doing direct > block io to LVs or raw partitions as the Xen migration will handle > the hand-off, but you will if you are using flat files, because of > this I recommend using LVs or raw partitions as clustered > filesystems will put a serious overhead on the Xen guest io. > > -Ross Ross, I can use DRBD to mirror data between the two storage servers and iSCSI to export the block devices, but how will iSCSI cope with failure of one storage server? Can I use heartbeat and CRM to failover the host IP and iSCSI target to the other storage server? Regards, Tom
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