Hi there,
some thoughts on that:
On 09.01.2013 17:09, aragonx@xxxxxxxxxx wrote:
Data loss
this is a matter of backup strategy, you mean availability here?
Cost
Speed
I am currently considering some less expensive storage arrays using
4TB SAS disks in 5+1 RAID 5 configurations (each array would be
responsible for 10 such volumes).
afaik the biggest SAS disks are 900GB, you mean NL-SAS? Even with the
4TB disks (which I would not recommend since they are ridiculously
overpriced compared to 3GB) in RAID + Hotspare we're talking ~300 Disks
here. How do you plan to house, connect, power and monitor them?
Now I would like a 3rd level of protection and I thought about using
GlusterFS. If I read it right, it would duplicate the data in a way
so
that it doesn't reside in a single place.
so you want a redundant storage system? Over what link would you plan
to sync the two storages?
This sound all very ambitious to me. Maybe you should consider buying
an entry-level or even mid-range storage system like IBM DS3512 or
similar...
Thanks!
regards
Jens
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