[DRBD-user] poor performance - re-partitioning suggested

Trevor Hemsley themsley at voiceflex.com
Tue Sep 11 10:38:41 CEST 2012

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


On 11/09/12 09:35, Lars Ellenberg wrote:
> Then that same soft raid is already "misaligned".
> Or possibly the partitions it consists of.
>
> DRBD does not change the alignment of the block device below it.

The alignment may also change depending on the metadata type of the md
RAID device. From the man page "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)."

Trevor



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