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Re: XFS errors on large Infiniband fileserver setup

Subject: Re: XFS errors on large Infiniband fileserver setup
From: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
Date: Fri, 24 Sep 2010 15:19:08 +0200
Cc: Christian Herzog <horeizo@xxxxxxxxxxxx>, isg@xxxxxxxxxxxx, xfs@xxxxxxxxxxx
In-reply-to: <20100923235355.GO2614@dastard>
Organization: Intellique
References: <29252416bd0d9dc973a909e411dbec6a@xxxxxxxxxxxx> <20100923235355.GO2614@dastard>
Le Fri, 24 Sep 2010 09:53:55 +1000
Dave Chinner <david@xxxxxxxxxxxxx> écrivait:

> IMO, it is unneccessarily complex - you could easily do this (~30
> drives) with a single server with a couple of external SAS JBOD
> arrays and SAS RAID controllers. That would give you the same
> performance (or better), with many fewer points of failure (both
> hardware and software), use less rack space, and probably be
> significantly cheaper....

And it will use less power, too. Actually there are Supermicro chassis
with up to 40 drives in 4U, so you don't even need an external disk

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