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SubjectRe: [PATCH] 64 bit scsi read/write
On Saturday 14 July 2001 16:50, Chris Wedgwood wrote:
> On Sat, Jul 14, 2001 at 09:45:44AM +0100, Alan Cox wrote:
> As far as I can tell none of them at least in the IDE world
> SCSI disk must, or at least some... if not, how to peopel like NetApp
> get these cool HA certifications?

Atomic commit. The superblock, which references the updated version
of the filesystem, carries a sequence number and a checksum. It is
written to one of two alternating locations. On restart, both
locations are read and the highest numbered superblock with a correct
checksum is chosen as the new filesystem root.

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