On Fri, 2007-10-19 at 12:38 -0400, John Stoffel wrote:
> 1, 1.0, 1.1, 1.2
>
> Use the new version-1 format superblock. This has few restrictions.
> The different sub-versions store the superblock at different locations
> on the device, either at the end (for 1.0), at the start (for 1.1) or
> 4K from the start (for 1.2).
>
>
> It looks to me that the 1.1, combined with the 1.0 should be what we
> use, with the 1.2 format nuked. Maybe call it 1.3? *grin*
You're somewhat misreading the man page. You *can't* combine 1.0 with
1.1. All of the above options: 1, 1.0, 1.1, 1.2; specifically mean to
use a version 1 superblock. 1.0 means use a version 1 superblock at the
end of the disk. 1.1 means version 1 superblock at beginning of disk.
`1.2 means version 1 at 4k offset from beginning of the disk. There
really is no actual version 1.1, or 1.2, the .0, .1, and .2 part of the
version *only* means where to put the version 1 superblock on the disk.
If you just say version 1, then it goes to the default location for
version 1 superblocks, and last I checked that was the end of disk (aka,
1.0).
--
Doug Ledford <dledford@xxxxxxxxxx>
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http://people.redhat.com/dledford
Infiniband specific RPMs available at
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