Scott Ehrlich wrote:
Having snapshot technology is great. Who else supports it?
it can be done at two levels, file system or block.
many SAN (block level) devices have snapshots, including most of the LSI
Logic Engenio stuff (resold by IBM, Sun, others), EMC, Intransa,
Equalogic, etc.
NAS devices are really just file servers, so could have snapshot
implemented either in their backing block storage devices or as a
feature of their volume management or file system. NetworkAppliance
supports this natively, so do generic OS's like Linux (with LVM),
Solaris (with ZFS), which are often used as the innards of NAS systems.
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