Christoph Hellwig <hch@xxxxxxxxxxxxx> writes:
> On Thu, Mar 01, 2012 at 09:14:09AM +0100, Goswin von Brederlow wrote:
>> And I can confirm that the sector size detection is still broken in
>> 3.1.7.
>
> That's a known bug that Carlos wanted to look into. If you really can't
> accept smaller I/O without major pain make sure to use a larger logical
> blocksize, which should be handled fine by everything.
Tried that too. Setting a locigal block size of 4096 makes all access
aligned to 4096 byte and makes mkfs.xfs detect a sector size of 4096
too.
But that breaks partitioning support for example. Linux simply won't
read the partition table on /dev/nbd0 anymore. Not sure why. Plus that
doesn't solve the problem for real harddisks.
MfG
Goswin
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