ATA 4K sector issues
Olivier Smedts
olivier at gid0.org
Sun Mar 21 10:45:21 UTC 2010
2010/3/17 Thiago Damas <tdamas at gmail.com>:
> I'll try tomorrow more zfs tests, with 1M alignment on begining of disk.
> But I also remember that zfs block size its 128k, but metadata can be of
> dynamic size. And we can use compressed files too.
ZFS block size for data is not fixed at 128k, search for recordsize in
the zfs man page.
> There is a sysctl, md_compress, that I turned out in my tests, but not
> working as expected.
> Why using gnop -S 4096 works well?
Interesting thread for issues with actual 4k disks :
http://opensolaris.org/jive/thread.jspa?messageID=447926
I'm waiting for a jumper on those 4k disks to turn off the "legacy" 512b mode.
>
> Thiago
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