[clug-talk] UPS on NAS/Network Infrastructure

[Gustin Johnson]

Gustin Johnson wrote:
> John Jardine wrote:
>> On Tue, 2009-08-25 at 12:30 -0400, simon at mungewell.org wrote:
>>> I've a general question on whether anyone has recommendations on 'smart'
>>> UPS'es for backing up NAS/Network infrastructure.
>> APC model... everything I think... has USB monitoring now.  Catch the
>> event and start a watchdog.  When the watchdog hits zero have it start
>> shutting down systems.  Shut the NAS down last.
>>
>> Bonus points for doing this from the NAS because then the NAS can tell
>> the UPS to turn itself off.
>>
> This is how I would do it if all my UPSs were not currently dead.
> 
>>> Also any comments about spinning up drives and wear...?
>> I have my NAS's set to spin down after 10min.  So far so good.  Just
>> watch out for the Seagate & WD drives with the F/W bug where your drive
>> dies if it spins up with exactly <some #> of errors in the log.  I
>> switched to the Samsung drives and those have been problem free so far.
> 
> 10 to 15 minutes should be fine if they sit idle for long periods (ie.
> they are not spinning up 2 or 3 times an hour all day).  I also only use
> Seagate and Western Digital drives these days, that firmware bug is
> solidly in the past now and if you are the .01% of the population it is
> still easily fixed.
> 
It should be noted that I am a big fan of the WD "green" drives, I have
4 of the 1 TB drives in my Drobo, and 4 more on my Linux file server.
If you need speed, the WD "black" would be my first choice for the
price/performance ratio.

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