[dm-devel] [RFC] [DONOTAPPLY] [PATCH] enhanceio: STEC EnhanceIO SSD caching software for Linux kernel

Michel Lespinasse walken at google.com
Sat Feb 2 00:57:59 UTC 2013


On Fri, Feb 1, 2013 at 4:44 PM, Darrick J. Wong <darrick.wong at 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 ?

-- 
Michel "Walken" Lespinasse
A program is never fully debugged until the last user dies.




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