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: [email protected]
1 Azrieli Center, Tel Aviv 67021, Israel
Global Tel:    +1 720 3422758
Israel Tel:      +972 3 9188625
Mobile:         +972 52 2554625




From:   Lukas Hejtmanek <[email protected]>
To:     [email protected]
Date:   26/04/2019 15:37
Subject:        [gpfsug-discuss] gpfs and device number
Sent by:        [email protected]



Hello,

I noticed that from time to time, device id of a gpfs volume is not same
across whole gpfs cluster.

[root@kat1 ~]# stat /gpfs/vol1/
  File: ?/gpfs/vol1/?
  Size: 262144                   Blocks: 512        IO Block: 262144 
directory
Device: 28h/40d          Inode: 3 

[root@kat2 ~]# stat /gpfs/vol1/
  File: ?/gpfs/vol1/?
  Size: 262144                   Blocks: 512        IO Block: 262144 
directory
Device: 2bh/43d          Inode: 3 

[root@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
_______________________________________________
gpfsug-discuss mailing list
gpfsug-discuss at spectrumscale.org
https://urldefense.proofpoint.com/v2/url?u=http-3A__gpfsug.org_mailman_listinfo_gpfsug-2Ddiscuss&d=DwIGaQ&c=jf_iaSHvJObTbx-siA1ZOg&r=mLPyKeOa1gNDrORvEXBgMw&m=F4TfIKrFl9BVdEAYxZLWlFF-zF-irdwcP9LnGpgiZrs&s=Ice-yo0p955RcTDGPEGwJ-wIwN9F6PvWOpUvR6RMd4M&e=






_______________________________________________
gpfsug-discuss mailing list
gpfsug-discuss at spectrumscale.org
http://gpfsug.org/mailman/listinfo/gpfsug-discuss

Reply via email to