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Re: xfs write performance issue

To: Hans-Peter Jansen <hpj@xxxxxxxxx>
Subject: Re: xfs write performance issue
From: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
Date: Thu, 19 Mar 2015 18:10:56 +0100
Cc: xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <8976870.8vOdNBKrI1@xrated>
Organization: Intellique
References: <8976870.8vOdNBKrI1@xrated>
Le Thu, 19 Mar 2015 18:01:50 +0100
Hans-Peter Jansen <hpj@xxxxxxxxx> Ãcrivait:

> Write performance is disastrous: it's about 1.5 MB/s.
> 

write cache is probably off. RAID array performance with write cache
off usually falls to abysmal levels. Check that your RAID controller
has write cacne enabled.

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