Archived posting to the Leica Users Group, 2007/06/02

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Subject: [Leica] Re: Backups
From: reid at mejac.palo-alto.ca.us (Brian Reid)
Date: Sat Jun 2 11:01:38 2007
References: <C27EED27.1F655%heninger@adobe.com> <6E9F35A9-FB4C-45FA-961B-6D028D889569@gmail.com> <5F15E3700C9C4F8F5A78F915@hindolveston.reid.org><B723B56D-94F5-4E65-917D-9240D44164A5@gmail.com> <FA1989B35E00DFA76B444A60@hindolveston.reid.org> <006001c7a53e$f37672d0$6101a8c0@jimnichols>

> I use a WD external drive in its own enclosure, and I have never opened 
> the enclosure. From a side vent, it appears that there is a cooling fan of 
> some kind inside.  Do bare drives, connected by the Vantec gadgets, work 
> ok without cooling?

Think about the shelf in your refrigerator that holds butter.

First you build a house to keep you away from the cold world, and you heat 
the house.
Then you buy a refrigerator to keep food away from the warm house, and you 
cool the refrigerator.
Then inside the refrigerator there is a place for butter that is warmed to 
keep it away from the cold refrigerator.

Heat is mostly what kills electronics, including hard drives. And butter 
too, I suppose.

If you put the hard drive in an enclosure and you leave it on all of the 
time, it will last longer if the enclosure contains a fan.
If the hard drive is not in an enclosure, then it's not going to get as hot, 
but I wouldn't use the Vantec bare-drive connector for any hard drive that I 
was going to leave turned on frequently.

I leave an archival hard drive connected overnight while I'm copying to it, 
and then I turn it on every couple of years to keep the spindle lubrication 
from seizing up. It doesn't need to be cooled when it's not turned on.



Replies: Reply from jhnichols at bellsouth.net (Jim Nichols) ([Leica] Re: Backups)
In reply to: Message from heninger at adobe.com (Wade Heninger) ([Leica] Re: Backups)
Message from leowesson at gmail.com (leo wesson) ([Leica] Re: Backups)
Message from reid at mejac.palo-alto.ca.us (Brian Reid) ([Leica] Re: Backups)
Message from leowesson at gmail.com (leo wesson) ([Leica] Re: Backups)
Message from reid at mejac.palo-alto.ca.us (Brian Reid) ([Leica] Re: Backups)
Message from jhnichols at bellsouth.net (Jim Nichols) ([Leica] Re: Backups)