On Aug 11, 2011, at 1:16 PM, Ray Van Dolson wrote: > On Thu, Aug 11, 2011 at 01:10:07PM -0700, Ian Collins wrote: >> On 08/12/11 08:00 AM, Ray Van Dolson wrote: >>> Are any of you using the Intel 320 as ZIL? It's MLC based, but I >>> understand its wear and performance characteristics can be bumped up >>> significantly by increasing the overprovisioning to 20% (dropping >>> usable capacity to 80%). >>> >> A log device doesn't have to be larger than a few GB, so that shouldn't >> be a problem. I've found even low cost SSDs make a huge difference to >> the NFS write performance of a pool. > > We've been using the X-25E (SLC-based). It's getting hard to find, and > since we're trying to stick to Intel drives (Nexenta certifies them), > and Intel doesn't have a new SLC drive available until late September, > we're hoping an overprovisioned 320 could fill the gap until then and > perform at least as well as the X-25E.
The 320 has not yet passed qualification testing at Nexenta. -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
