On 11/11/13, 12:23 PM, Bernd Schubert wrote:
> One of my colleagues benchmarked this on one of our fast systems and another
> colleague current needs this system for other tests, so I don't have the
> exact parameters. However, it was for sure formated with options like these:
> mkfs.xfs -d su=256k,sw=10 -l version=2,su=256k -isize=512 /dev/sdX
> and mounted with these options:
> /dev/sdX <mountpoint>
With all due respect, this is excessive knob-twiddling. Slow down. ;)
* V2 logs are default already, so -l version=2 is redundant.
* noatime implies nodiratime, so specifying both is redundant.
* "largeio" only changes the st_blksize value reported (from default page size
to, in your case, the total stripe width). Does that actually affect your
Backing up, what kernel & what userspace versions are you testing?