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linux software raid5 on lvm: sunit/swidth required?

To: "xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>
Subject: linux software raid5 on lvm: sunit/swidth required?
From: Thomas Molszich <Thomas.Molszich@xxxxxxxxxxxxxxx>
Date: Mon, 17 Jun 2013 17:06:50 +0200
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Thread-topic: linux software raid5 on lvm: sunit/swidth required?

Hello all,

 

At present, does one still need to calculate and pass the sunit/swidth to mkfs.xfs or does xfs calculate

All this on its own?

Xfsprogs 3.1.7, linked against libblkid, kernel 3.2.48 (Ubuntu 12.04 LTS), 6x3000GB Hitachi 4k sectors

with 512b emulation, partitions and lvm 4k aligned already.

 

If manual calculation is still required, where can I read up on that?

 

With kind regards

 

Thomas Molszich

 

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