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Re: Latest advice on SSD? - Mailing list pgsql-performance

From Evgeniy Shishkin
Subject Re: Latest advice on SSD?
Date
Msg-id 9229B816-42C6-4AD0-B0E4-756C9894F52C@gmail.com
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In response to Re: Sv: Sv: Re: Latest advice on SSD?  (Mark Kirkwood <mark.kirkwood@catalyst.net.nz>)
Responses Re: Latest advice on SSD?  (Mark Kirkwood <mark.kirkwood@catalyst.net.nz>)
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On May 11, 2018, at 15:11, Mark Kirkwood <mark.kirkwood@catalyst.net.nz> wrote:

On 11/05/18 23:23, Andreas Joseph Krogh wrote:

På onsdag 09. mai 2018 kl. 22:00:16, skrev Andreas Joseph Krogh <andreas@visena.com <mailto:andreas@visena.com>>:

   FWIW; We're testing
   this: https://www.supermicro.nl/products/system/1U/1029/SYS-1029U-TN10RT.cfm
   with 4 x Micron NVMe 9200 PRO NVMe 3.84TB U.2 in RAID-10:
   
These Micron disks look interesting (pretty good IOPS and lifetime numbers). However (as usual with Micron, sadly) no data about power off safety. Do you know if the the circuit board has capacitors?


The SSD supports an unexpected power loss with a power-backed write cache. No userdata is lost during an unexpected power loss. When power is subsequently restored, theSSD returns to a ready state within a maximum of 60 seconds.

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