| From: | Greg Smith <greg(at)2ndQuadrant(dot)com> |
|---|---|
| To: | Mark Kirkwood <mark(dot)kirkwood(at)catalyst(dot)net(dot)nz> |
| Cc: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, Merlin Moncure <mmoncure(at)gmail(dot)com>, sthomas(at)optionshouse(dot)com, Tomas Vondra <tv(at)fuzzy(dot)cz>, pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Reliability with RAID 10 SSD and Streaming Replication |
| Date: | 2013-05-23 02:22:24 |
| Message-ID: | 519D7D60.1060804@2ndQuadrant.com |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
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(at)2ndQuadrant(dot)com Baltimore, MD
PostgreSQL Training, Services, and 24x7 Support www.2ndQuadrant.com
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