[CentOS] fs for > 16 TiB partition
Rainer Duffner
rainer at ultra-secure.de
Wed May 6 09:30:25 UTC 2009
Adrian Sevcenco schrieb:
> Rainer Duffner wrote:
>
>> Adrian Sevcenco schrieb:
>>
>>> Hi,
>>> What would you recommend as an FS for an partition greater than 16 TiB?
>>> This is for an production server (that is, no ext4 recommendations
>>> please :) )
>>> What experiences did you had with your preferred FS ? (good and not so
>>> good points)
>>>
>>> Thank you,
>>> Adrian
>>>
>>>
>> Does anybody actually run such a thing on Linux?
>>
> We will ..
That's not what I was asking ;-)
> 2 X RAID6 each with 12 drives (24 drives machine)
> with 2 TB drives .. that is 20 TBs each volume
>
>
>> How long does a FSCK take once it's 80% populated?
>>
> i strongly hope that i will never know :))
>
It will fsck every n'th reboot anyway, or after so-and-so many days
without fsck, after a reboot.
> it have 2 redundant PSU each on different ups ...
>
>
>> How much RAM does that need?
>>
> minimal .. is an storage only machine so 4 GB is enough as the
> connection is only GigE
>
>
I asked about the FSCK.
Usually, it requires some RAM, too.
>> The FSCK on my Virtuozzo-partition takes long enough - and it's only 500
>> GB or so.
>>
> Even for home its efficient to have an ups for each machine..
>
It's running in a datacenter with UPSs. But once I reboot it, it it's
the "fsck-every-n-days" thing.
I don't think it's a good idea to disable that behaviour.
Rainer
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