[Linux-cluster] Cluster aware RAID/LVM

[Patton, Matthew F, CTR, OSD-PA&E]

Classification: UNCLASSIFIED

You will be able to sleep at night if you just buy N (N > 1) cheap raid
controllers, a common disk tower and hook N disk servers up to said disk
tower in a cluster config and then set the cluster up such that one and only
one is alive and exporting a GNBD (or NFS/SAMBA/ISCSI etc) device to your
cluster of compute nodes. Or just buy a cheap turn-key SAN which is really
nothing more than a disk enclosure with 1+ RAID controllers and a FC or AoE
card. RAID should be left to the piece of hardware that is in direct
physical contact with the drives.
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