Re: Latest advice on SSD?
| От | Evgeniy Shishkin |
|---|---|
| Тема | Re: Latest advice on SSD? |
| Дата | |
| Msg-id | 9229B816-42C6-4AD0-B0E4-756C9894F52C@gmail.com обсуждение исходный текст |
| Ответ на | Re: Sv: Sv: Re: Latest advice on SSD? (Mark Kirkwood <mark.kirkwood@catalyst.net.nz>) |
| Ответы |
Re: Latest advice on SSD?
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| Список | pgsql-performance |
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>>: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?
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:
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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