Re: Contemplating SSD Hardware RAID

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От
Florian Weimer
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Re: Contemplating SSD Hardware RAID
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82d3i777ow.fsf@mid.bfk.de
Ответ на
Re: Contemplating SSD Hardware RAID (Yeb Havinga)
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Contemplating SSD Hardware RAID Dan Harris <fbsd@drivefaster.net>
Re: Contemplating SSD Hardware RAID Anton Rommerskirchen <atr@atrsoft.de>
Re: Contemplating SSD Hardware RAID Greg Smith <greg@2ndQuadrant.com>
Re: Contemplating SSD Hardware RAID Yeb Havinga <yebhavinga@gmail.com>
Re: Contemplating SSD Hardware RAID Yeb Havinga <yebhavinga@gmail.com>
Re: Contemplating SSD Hardware RAID Florian Weimer <fweimer@bfk.de>
Re: Contemplating SSD Hardware RAID Greg Smith <greg@2ndQuadrant.com>
Re: Contemplating SSD Hardware RAID Yeb Havinga <yebhavinga@gmail.com>
Re: Contemplating SSD Hardware RAID Yeb Havinga <yebhavinga@gmail.com>
Re: Contemplating SSD Hardware RAID Scott Marlowe <scott.marlowe@gmail.com>
Re: Contemplating SSD Hardware RAID Merlin Moncure <mmoncure@gmail.com>
Re: Contemplating SSD Hardware RAID Greg Smith <greg@2ndQuadrant.com>
Re: Contemplating SSD Hardware RAID Shaun Thomas <sthomas@peak6.com> 
* 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                
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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