[gpfsug-discuss] gpfs and device number
Lukas Hejtmanek
xhejtman at ics.muni.cz
Wed May 8 17:03:59 BST 2019
Hi,
I use fsid=0 (having one export). It seems there is some incompatibility
between gpfs and redhat 3.10.0-957. We have gpfs 5.0.2-1, I can see that
5.0.2-2 is tested. So maybe it is fixed in later gpfs versions.
On Sat, Apr 27, 2019 at 10:37:48PM +0300, Tomer Perry wrote:
> Hi,
>
> Please use the fsid option in /etc/exports ( man exports and:
> https://www.ibm.com/support/knowledgecenter/en/STXKQY_5.0.3/com.ibm.spectrum.scale.v5r03.doc/bl1adm_nfslin.htm
> )
> Also check
> https://www.ibm.com/support/knowledgecenter/en/STXKQY_5.0.3/com.ibm.spectrum.scale.v5r03.doc/bl1adv_cnfs.htm
> in case you want HA with kernel NFS.
>
>
>
> Regards,
>
> Tomer Perry
> Scalable I/O Development (Spectrum Scale)
> email: tomp at il.ibm.com
> 1 Azrieli Center, Tel Aviv 67021, Israel
> Global Tel: +1 720 3422758
> Israel Tel: +972 3 9188625
> Mobile: +972 52 2554625
>
>
>
>
> From: Lukas Hejtmanek <xhejtman at ics.muni.cz>
> To: gpfsug-discuss at spectrumscale.org
> Date: 26/04/2019 15:37
> Subject: [gpfsug-discuss] gpfs and device number
> Sent by: gpfsug-discuss-bounces at spectrumscale.org
>
>
>
> Hello,
>
> I noticed that from time to time, device id of a gpfs volume is not same
> across whole gpfs cluster.
>
> [root at kat1 ~]# stat /gpfs/vol1/
> File: ?/gpfs/vol1/?
> Size: 262144 Blocks: 512 IO Block: 262144
> directory
> Device: 28h/40d Inode: 3
>
> [root at kat2 ~]# stat /gpfs/vol1/
> File: ?/gpfs/vol1/?
> Size: 262144 Blocks: 512 IO Block: 262144
> directory
> Device: 2bh/43d Inode: 3
>
> [root at kat3 ~]# stat /gpfs/vol1/
> File: ?/gpfs/vol1/?
> Size: 262144 Blocks: 512 IO Block: 262144
> directory
> Device: 2ah/42d Inode: 3
>
> this is really bad for kernel NFS as it uses device id for file handles
> thus
> NFS failover leads to nfs stale handle error.
>
> Is there a way to force a device number?
>
> --
> Luká? Hejtmánek
>
> Linux Administrator only because
> Full Time Multitasking Ninja
> is not an official job title
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--
Lukáš Hejtmánek
Linux Administrator only because
Full Time Multitasking Ninja
is not an official job title
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