On Mon, Jun 18, 2012 at 5:26 PM, Carson Gaspar <car...@taltos.org> wrote: > What makes you think the Barracuda 7200.14 drives report 4k sectors? I gave > up looking for 4kn drives, as everything I could find was 512e. I would > _love_ to be wrong, as I have 8 4TB Hitachis on backorder that I would > gladly replace with 4kn drives, even if I had to drop to 3TB density. > > From page 11 of > http://www.seagate.com/staticfiles/support/docs/manual/desktop/Barracuda%207200.14/100686584c.pdf > > Formatted capacity (512 bytes/sector)** > Bytes per sector (4K physical emulated at 512-byte sectors) > > From the smartmontools list, > http://www.mail-archive.com/smartmontools-database@lists.sourceforge.net/msg00537.html > > Sector Sizes: 512 bytes logical, 4096 bytes physical >
Hmm, interesting. Like Timothy noted. My $work is also running into the same problem the Seagate 7200.14 where an ashift=9 pool would not accept the 4k drive. If you check the archives for a "Advanced Format HDD's - are we there yet?" [1] thread from the end of May we discuss this same topic. [1] http://mail.opensolaris.org/pipermail/zfs-discuss/2012-May/051559.html _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
