Also, where's the end user documentation?
On Fri, Feb 1, 2013 at 5:23 PM, Kent Overstreet <koverstr...@google.com> wrote: > On Fri, Feb 1, 2013 at 4:57 PM, Michel Lespinasse <wal...@google.com> wrote: >> On Fri, Feb 1, 2013 at 4:44 PM, Darrick J. Wong <darrick.w...@oracle.com> >> wrote: >>> This is a patch to migrate STEC's enhanceio driver out of their github >>> repository and into the staging tree. From their README: >>> >>> "EnhanceIO driver is based on EnhanceIO SSD caching software product >>> developed >>> by STEC Inc. EnhanceIO was derived from Facebook's open source Flashcache >>> project. EnhanceIO uses SSDs as cache devices for traditional rotating hard >>> disk drives (referred to as source volumes throughout this document). >>> EnhanceIO can work with any block device, be it an entire physical disk, an >>> individual disk partition, a RAIDed DAS device, a SAN volume, a device >>> mapper >>> volume or a software RAID (md) device." >> >> What's your take on the benefits of this vs bcache ? > > I've been trying to review it it for cache coherency and consistency > wrt. power failures, but the complete lack of high level documentation > is making that difficult. > > I saw some benchmarks the other day where on writes EIO was faster > than the raw device, which was... suspicious. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
