Re: CentOS MD RAID 1 on Openfiler iSCSI

[Emmanuel Noobadmin <centos.admin@xxxxxxxxx>]

On 6/29/10, Karanbir Singh <mail-lists@xxxxxxxxx> wrote:
> On 28/06/2010 20:55, Les Mikesell wrote:
>> I think he is looking for redundant, failover remote storage (i.e.
>> mirrored copies from different iscsi hosts).  Sort of like DRBD but with
>> both copies remote.  I think is should work but the timing might be
>> tricky on retries vs. failure on the iscsi connections.
>
> yes, thats what I run. We import 5 remote iscsi connections that come
> from 5 different hosts, and mdraid10 them locally on one machine - thats
> our 'storage' box. Each of the 5 machines doing the iscsi target exports
> run raid-0 themselves across 4 disks.

Part of my concern with such a setup is the whole data system goes
down too if the storage box dies due to say blown PSU or motherboard
problem. Doesn't it?
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