On Fri, 5 Jan 2007, Anton B. Rang wrote: > > If [SSD or Flash] devices become more prevalent, and/or cheaper I'm curious > > what > > ways ZFS could be made to bast take advantage of them? > > The intent log is a possibility, but this would work better with SSD than > Flash; Flash writes can actually be slower than sequential writes to a real > disk.
The original poster is probably referring to yesterdays announcement from SanDisk. Here's the nearest thing (publicly) available that provides basic specifications: http://www.sandisk.com/Assets/File/pdf/oem/SanDisk%20SSD%20UATA%205000%201.8.pdf SanDisk bought MSystems (IIRC) - so they know how to "distribute" writes to prevent premature failure caused by constantly writing to the same flash memory location(s). Summary (1.8" form factor): write: 35MB/Sec, Read: 62MB/Sec IOPS: 7,000 The usual disclaimers apply - will have to test one to see what it can really do ... but 7,000 IOPS makes it interesting IMHO. ... snip .... Al Hopper Logical Approach Inc, Plano, TX. [EMAIL PROTECTED] Voice: 972.379.2133 Fax: 972.379.2134 Timezone: US CDT OpenSolaris.Org Community Advisory Board (CAB) Member - Apr 2005 OpenSolaris Governing Board (OGB) Member - Feb 2006 _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
