From: Eric Sandeen <sandeen@sandeen.net>
To: Thomas Molszich <Thomas.Molszich@vanderlande.com>
Cc: "xfs@oss.sgi.com" <xfs@oss.sgi.com>
Subject: Re: linux software raid5 on lvm: sunit/swidth required?
Date: Mon, 17 Jun 2013 10:18:59 -0500 [thread overview]
Message-ID: <51BF28E3.6020102@sandeen.net> (raw)
In-Reply-To: <57FC0B2322184044812B39B9440D8AF662898079AA@MBX1.vi.corp>
On 6/17/13 10:06 AM, Thomas Molszich wrote:
> 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.
You've not provided much info, but lvm does export stripe geometry if present, and mkfs.xfs will pick it up from lvm.
run mkfs.xfs and it'll tell you what it used for stripe geometry if any, and you'll know if it's right. :)
-Eric
>
> If manual calculation is still required, where can I read up on that?
>
>
>
> With kind regards
>
>
>
> Thomas Molszich
>
>
>
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next prev parent reply other threads:[~2013-06-17 15:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-17 15:06 linux software raid5 on lvm: sunit/swidth required? Thomas Molszich
2013-06-17 15:18 ` Eric Sandeen [this message]
2013-06-18 7:03 ` Stan Hoeppner
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