Messages in this thread | | | From | Daniel Phillips <> | Subject | Re: [PATCH] 64 bit scsi read/write | Date | Sat, 14 Jul 2001 22:11:30 +0200 |
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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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