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 _______________________________________________ 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= -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://gpfsug.org/pipermail/gpfsug-discuss_gpfsug.org/attachments/20190427/775521c7/attachment.html>