ATA 4K sector issues

[Olivier Smedts]

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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-- 
Olivier Smedts                                                 _
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