From: Wido den Hollander <wido@42on.com>
To: Sage Weil <sage@newdream.net>
Cc: ceph-devel <ceph-devel@vger.kernel.org>
Subject: Re: inode64 mount option for XFS
Date: Mon, 03 Nov 2014 15:32:51 +0100 [thread overview]
Message-ID: <54579213.5070900@42on.com> (raw)
In-Reply-To: <alpine.DEB.2.00.1411030619220.15135@cobra.newdream.net>
On 11/03/2014 03:20 PM, Sage Weil wrote:
> On Mon, 3 Nov 2014, Wido den Hollander wrote:
>> Hi,
>>
>> While look at init-ceph and ceph-disk I noticed a discrepancy between them.
>>
>> init-ceph mounts XFS filesystems with rw,noatime,inode64, but
>> ceph-disk(-active) with rw,noatime
>>
>> As inode64 gives the best performance, shouldn't ceph-disk do the same?
>
> I noticed this a while back but didn't finish fixing it.. can you take a
> look at wip-xfs-inode64 and see if it looks right?
>
Looks good to me. Simple fix, but that should do it.
>> Any implications if we add inode64 on running deployments?
>
> I don't think so! Note that on new kernels I think inode64 is now the
> default, so this is really about performance on older systems (precise,
> rhel6, probably).
>
Yes, I noticed that later on. But it gives consistency. Ubuntu precise
and RHEL 6 will be around for quite some time, so it would be better to
enable it for those systems as well.
Wido
> sage
>
>>
>> --
>> Wido den Hollander
>> 42on B.V.
>> Ceph trainer and consultant
>>
>> Phone: +31 (0)20 700 9902
>> Skype: contact42on
>> --
>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in
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>>
>>
> --
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>
--
Wido den Hollander
42on B.V.
Ceph trainer and consultant
Phone: +31 (0)20 700 9902
Skype: contact42on
next prev parent reply other threads:[~2014-11-03 14:32 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-03 12:28 inode64 mount option for XFS Wido den Hollander
2014-11-03 12:34 ` Stefan Priebe - Profihost AG
2014-11-03 12:38 ` Wido den Hollander
2014-11-03 14:20 ` Sage Weil
2014-11-03 14:32 ` Wido den Hollander [this message]
2014-11-05 13:01 ` Sage Weil
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