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Storage Basics: Clustered File SystemsAug 18, 2009, 22:32 (0 Talkback[s])
(Other stories by Charlie Schluting)
[ Thanks to Paul Shread for this link. ]
"Shared-disk configurations are most common in the Fibre Channel SAN and iSCSI worlds. It is quite simple to configure storage systems so that multiple servers can see the same logical block device, or LUN, but without a clustered file system, chaos will ensue if both try to use it at the same time. This problem is dealt with by using clustered file systems, which we will cover in a moment.
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