Re: [RFC] [DONOTAPPLY] [PATCH] enhanceio: STEC EnhanceIO SSD cachingsoftware for Linux kernel

From: Michel Lespinasse
Date: Fri Feb 01 2013 - 19:58:12 EST


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