Hello. I see considerably increased performance when creating over gnop -S 4096 virtual disk. Even when I create zpool over raw disks the performance is very bad and concurent writes stalls. When using gnop, zfs works VERY fast! Btw, here is another discussion, may be there is a bug in a mav_at_ commit, because he has added support for >512 sector size: http://lists.freebsd.org/pipermail/freebsd-current/2010-April/016495.html Превед Украине! =) On 09.04.2010, at 12:28, Andriy Gapon wrote: > on 08/04/2010 16:55 Alexey Tarasov said the following: >> Hello. >> >> I've tried all methods and realized that unfortunately the only working >> method is gnop. So you can't use these disks for ZFS at all now. > > Why? And what are you actually trying to do? > My understanding was that even with 512-byte sectors ZFS still aligns its > on-disk data with > 4K alignment. > Do you see otherwise? What problem do you have? > > -- > Andriy Gapon -- Alexey Tarasov (\__/) (='.'=) E[: | | | | :]З (")_(")Received on Fri Apr 09 2010 - 09:14:10 UTC
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