[Info-vax] Where is EISNER:: and who funds it?
Jan-Erik Söderholm
jan-erik.soderholm at telia.com
Wed Dec 22 05:55:38 EST 2021
Den 2021-12-22 kl. 06:55, skrev Dave Froble:
> On 12/21/2021 7:59 PM, Jan-Erik Söderholm wrote:
>> Den 2021-12-22 kl. 01:24, skrev Scott Dorsey:
>>> Dennis Boone <drb at ihatespam.msu.edu> wrote:
>>>>> If you run your data center in the 80s instead of the 60s, you get a
>>>>> considerably shorter lifespan on your hardware. Great decrease in MTTF
>>>>> mostly due to capacitor failures but also CPU failures to a lesser
>>>>> extent.
>>>>
>>>> Not everyone agrees. For example, Google and Backblaze both say
>>>> temperature isn't as big a factor in disk drive life as you'd expect.
>>>>
>>>> https://www.backblaze.com/blog/hard-drive-temperature-does-it-matter/
>>>>
>>>> The Google link in that document talks specifically about hard drives.
>>>
>>> Yes, it doesn't have as big an effect on hard drives. As I said, it's
>>> mostly
>>> increased numbers of electrolytic capacitor failures and to a lesser extent
>>> CPU failures.
>>>
>>>> Elsewhere, Google also report that they run their datacenters at 80
>>>> degrees:
>>>>
>>>> https://www.google.com/about/datacenters/efficiency/
>>>
>>> Yes. It's more cost-effective for them and they are changing the hardware
>>> out on a fairly short cycle anyway.
>>> --scott
>>>
>>
>> Aha! F! Why not use a standard temp scale.
>> I thought it sounded a bit high...
>
> For some of us, "F" is standard.
>
> As is inches, feet, yards, miles, pounds, quarts, gallons, etc ...
>
> :-)
>
Right, I have heard about that. While the rest of the world has moved on.
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