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Re: xfs help question

To: weber@xxxxxxxxxx
Subject: Re: xfs help question
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Mon, 31 Mar 2014 10:46:23 +1100
Cc: Xfs <xfs@xxxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <6997ecc6ee5c7096ded12e8ad3d77d12@xxxxxxxxxx>
References: <6997ecc6ee5c7096ded12e8ad3d77d12@xxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Sun, Mar 30, 2014 at 09:12:20AM +0200, Marko Weber|8000 wrote:
> hello again me ;-),
> i thought best place to ask this is here.
> i read the faq alot last days but have still questions:
> i got a server now with 4 Disks,
> i plan to do an raid5 with linux soft raid.
> On the server is planed to store 'larger' from 1GB up to 60GB.
> what would be best settings when formatting with xfs?
> is it better to use '-b size=4096' or the '512'?
> should i manipulate the '-i size=' to 2048? or use the default?

Use the defaults.  The defaults on md/dm raid will do the right
things to configure the filesystem and handle crash safety properly.

Unless you have experience with XFS and the storage stack and know
exactly what you *need to do*, tweaking knobs will only cause bad
things to happen to you and your data.


Dave Chinner

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