Re: Contemplating SSD Hardware RAID
| От | Florian Weimer |
|---|---|
| Тема | Re: Contemplating SSD Hardware RAID |
| Дата | |
| Msg-id | 82d3i777ow.fsf@mid.bfk.de обсуждение исходный текст |
| Ответ на | Re: Contemplating SSD Hardware RAID (Yeb Havinga <yebhavinga@gmail.com>) |
| Ответы |
Re: Contemplating SSD Hardware RAID
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| Список | pgsql-performance |
* Yeb Havinga: > I forgot to mention that with an SSD it's important to watch the > remaining lifetime. These values can be read with smartctl. When > putting the disk behind a hardware raid controller, you might not be > able to read them from the OS, and the hardware RAID firmware might be > to old to not know about the SSD lifetime indicator or not even show > it. 3ware controllers offer SMART pass-through, and smartctl supports it. I'm sure there's something similar for Areca controllers. -- Florian Weimer <fweimer@bfk.de> BFK edv-consulting GmbH http://www.bfk.de/ Kriegsstraße 100 tel: +49-721-96201-1 D-76133 Karlsruhe fax: +49-721-96201-99
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