[PVFS2-users] Redundant data storage
poznick at conwaycorp.net
Thu Sep 2 16:45:16 EDT 2004
Thus spake Stuart Anderson:
> What about splitting my cluster in half and creating 2 100-node PVFS
> filesystems that each node mounts as a software raid-1 device.
> I lose half my potential storage, but will PVFS play nicely with
> Linux software RAID so that if any one node crashes (disk and/or CPU)
> no other node else will notice? Including the re-syncing of the
> crashed PVFS filesystem after the node/disk are replaced and it is rebuilt?
Software RAID requires raw block devices for its constituient parts.
The kernel drivers then provide another block device upon which a
filesystem can be created. Being a filesystem itself, PVFS2 does not
provide a block device interface.
Nathan Poznick <poznick at conwaycorp.net>
Q. How many computer programmers does it take to screw in a light bulb?
A. None. That is a hardware problem.
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Size: 189 bytes
Desc: Digital signature
Url : http://www.beowulf-underground.org/pipermail/pvfs2-users/attachments/20040902/eefcf7b1/attachment.bin
More information about the PVFS2-users