On 2012-06-24 15:05, Stan Hoeppner wrote:
The the log stripe unit mismatch error is a direct result of Ingo
manually choosing a rather large chunk size for his two stripe
spindle
md array, yielding a 1MB stripe, and using an internal log with it.
Maybe there is a good reason for this, but I'm going to challenge it.
To cite man mdadm:
-c, --chunk=
Specify chunk size of kibibytes. The default when
creating an array is 512KB. To ensure compatibility
with earlier versions, the default when Building and
array with no persistent metadata is 64KB. This is
only meaningful for RAID0, RAID4, RAID5, RAID6, and
RAID10.
So, actually there's a mismatch with the default of mdadm an mkfs.xfs.
Maybe it's worthwhile to think of raising the log stripe maximum size to
at least 512 kiB? I don't know what implications this could have,
though...
--
Ciao... // Fon: 0381-2744150
. Ingo \X/ http://blog.windfluechter.net
gpg pubkey: http://www.juergensmann.de/ij_public_key.
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