How many ram...
andy thomas
andy at time-domain.co.uk
Tue Jan 13 15:07:58 UTC 2015
On Tue, 13 Jan 2015, Albert Shih wrote:
> Hi all,
>
> Basic question : How many amount of ram I need for running ZFS with a pool
> of ~500-600To.
>
> For example If I've a server with 2 disk array of 60 disk of 6To.
>
> Is the rule I find somewhere on Internet saying for ZFS 1To --> 1Go is
> still true ?
I've have been running lots of HP Microservers fitted with 4 x 4 Tb disks
in ZFS RAIDz1 under 8 GB of RAM for the past 3 years or so with no
problems at all.
I've also got a SAN with 8 GB memory in the head node and 6 servers - each
with 4 x 4 TB disks, RAIDz1 and 8 GB memory - attached as iSCSI VDEVs for
a usable capacity of 50 TB. Again with no problems at all. Both set-ups
break most of the rules in the rule-book but... it works!
Andy
----------------------------
Andy Thomas,
Time Domain Systems
Tel: +44 (0)7866 556626
Fax: +44 (0)20 8372 2582
http://www.time-domain.co.uk
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