| From: | Steve Crawford <scrawford(at)pinpointresearch(dot)com> |
|---|---|
| To: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: New server setup |
| Date: | 2013-03-13 19:23:18 |
| Message-ID: | 5140D226.4060609@pinpointresearch.com |
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| Lists: | pgsql-performance |
On 03/13/2013 09:15 AM, John Lister wrote:
> On 13/03/2013 15:50, Greg Jaskiewicz wrote:
>> SSDs have much shorter life then spinning drives, so what do you do
>> when one inevitably fails in your system ?
> Define much shorter? I accept they have a limited no of writes, but
> that depends on load. You can actively monitor the drives "health"
> level...
What concerns me more than wear is this:
InfoWorld Article:
http://www.infoworld.com/t/solid-state-drives/test-your-ssds-or-risk-massive-data-loss-researchers-warn-213715
Referenced research paper:
https://www.usenix.org/conference/fast13/understanding-robustness-ssds-under-power-fault
Kind of messes with the "D" in ACID.
Cheers,
Steve
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