pg.ddx.io pgsql-performance@postgresql.org mailing list archive help / color / mirror / Atom feed From: Greg Smith <greg@2ndQuadrant.com>
To: Mark Kirkwood <mark.kirkwood@catalyst.net.nz>
Cc: Joshua D. Drake <jd@commandprompt.com>
Cc: Merlin Moncure <mmoncure@gmail.com>
Cc: sthomas@optionshouse.com, Tomas Vondra <tv@fuzzy.cz>
Cc: pgsql-performance@postgresql.org
Subject: Re: Reliability with RAID 10 SSD and Streaming Replication
Date: Wed, 22 May 2013 22:22:24 -0400
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On 5/22/13 10:04 PM, Mark Kirkwood wrote:
> Make that quite a few capacitors (top right corner):
> http://regmedia.co.uk/2013/05/07/m500_4.jpg
There are some more shots and descriptions of the internals in the
excellent review at
http://techreport.com/review/24666/crucial-m500-ssd-reviewed
That also highlights the big problem with this drive that's kept me from
buying one so far:
"Unlike rivals Intel and Samsung, Crucial doesn't provide utility
software with a built-in health indicator. The M500's payload of SMART
attributes doesn't contain any references to flash wear or bytes
written, either. Several of the SMART attributes are labeled
"Vendor-specific," but you'll need to guess what they track and read the
associated values using third-party software."
That's a serious problem for most business use of this sort of drive.
--
Greg Smith 2ndQuadrant US greg@2ndQuadrant.com Baltimore, MD
PostgreSQL Training, Services, and 24x7 Support www.2ndQuadrant.com
--
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Subject: Re: Reliability with RAID 10 SSD and Streaming Replication
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