On Dec 22, 2010, at 08:43, Jabbar wrote:
I was thinking of buying a couple of SSD's until I found out that
Trim is
only supported with SATA drives. I'm not sure if TRIM will work with
ZFS. I
was concerned that with trim support the SSD life and write
throughput will
get affected.
Doesn't anybody have any thoughts on this?
Basic support for TRIM was added to b146, but ZFS does not make use of
it yet:
http://bugs.opensolaris.org/view_bug.do?bug_id=6866610
http://sparcv9.blogspot.com/2010/07/sata-trim-command-in-b146.html
The statement "only support with SATA drives" is a bit confusing. SATA
is merely a protocol between the host and the storage unit. Whether
the storage unit is an SSD or spinning rust is irrelevant as either
can support talk to the outside world via SATA. Similarly the SCSI
world (which now runs over SAS for the transport layer) has a
corresponding UNMAP command.
_______________________________________________
zfs-discuss mailing list
zfs-discuss@opensolaris.org
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
