Not to forget the The Deneva Reliability disks from OCZ that just got
released. See
http://www.oczenterprise.com/details/ocz-deneva-reliability-2-5-emlc-ssd.htm
l

"The Deneva Reliability family features built-in supercapacitor (SF-1500
models) that acts as a temporary power backup in the event of sudden power
loss, and enables the drive to complete its task ensuring no data loss."

-Arve

> -----Original Message-----
> From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-
> boun...@opensolaris.org] On Behalf Of Christopher George
> Sent: 16. juni 2010 00:47
> To: zfs-discuss@opensolaris.org
> Subject: Re: [zfs-discuss] SSDs adequate ZIL devices?
> 
> > So why buy SSD for ZIL at all?
> 
> For the record, not all SSDs "ignore cache flushes".  There are at
> least
> two SSDs sold today that guarantee synchronous write semantics; the
> Sun/Oracle LogZilla and the DDRdrive X1.  Also, I believe it is more
> accurate to describe the root cause as not power protecting on-board
> volatile caches.  As the X25-E does implement the ATA FLUSH
> CACHE command, but does not have the required power protection to
> avoid transaction (data) loss.
> 
> Best regards,
> 
> Christopher George
> Founder/CTO
> www.ddrdrive.com
> --
> This message posted from opensolaris.org
> _______________________________________________
> zfs-discuss mailing list
> zfs-discuss@opensolaris.org
> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

_______________________________________________
zfs-discuss mailing list
zfs-discuss@opensolaris.org
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Reply via email to