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.
-- Daniel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Sun Jul 15 2001 - 21:00:21 EST