Pasi Kärkkäinen <pa...@iki.fi> wrote:
> On Mon, Jan 31, 2011 at 03:41:52PM +0100, Joerg Schilling wrote:
> > Brandon High <bh...@freaks.com> wrote:
> >
> > > On Sat, Jan 29, 2011 at 8:31 AM, Edward Ned Harvey
> > > <opensolarisisdeadlongliveopensola...@nedharvey.com> wrote:
> > > > What is the status of ZFS support for TRIM?
> > >
> > > I believe it's been supported for a while now.
> > > http://www.c0t0d0s0.org/archives/6792-SATA-TRIM-support-in-Opensolaris.html
> >
> > The command is implemented in the sata driver but there does ot seem to be
> > any
> > user of the code.
> >
>
> Btw is the SCSI equivalent also implemented? iirc it was called SCSI UNMAP
> (for SAS).
The high level interface is called unmap .... it seems that the planned
interface for ZFS is to send a raw SPC3_CMD_UNMAP SCSI command to the driver
and that this command is translated into TRIM in the sata case.
Jörg
--
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