[LU-13500] Client gets evicted - nfsd non-standard errorno -108

• Type: Bug
• Resolution: Unresolved
• Priority: Minor
• Severity: 3
• Assignee: Oleg Drokin
• Reporter: Campbell Mcleay (Inactive)

Description

Client is getting evicted by MDT as soon as nfsd service started on the client.

client (golf1) kernel version : 3.10.0-1062.1.1.el7_lustre.x86_64
client (golf1) lustre version : lustre-2.12.3-1.el7.x86_64

mds (gmds1) kernel version : 3.10.0-1062.1.1.el7_lustre.x86_64
mds (gmds1) lustre version : lustre-2.12.3-1.el7.x86_64

oss (goss1-goss6) kernel version : 3.10.0-1062.1.1.el7_lustre.x86_64
oss (goss1-goss6) lustre version : lustre-2.12.3-1.el7.x86_64

/etc/exports on golf1 :

/user_data       10.25.0.0/16(fsid=123456789,rw,anonuid=0,insecure,no_subtree_check,insecure_locks,async)

Apr 30 14:03:07 golf1 kernel: LustreError: 11-0: golf-MDT0000-mdc-ffff973bf6409800: operation ldlm_enqueue to node 10.25.22.90@tcp failed: rc = -107
Apr 30 14:03:07 golf1 kernel: Lustre: golf-MDT0000-mdc-ffff973bf6409800: Connection to golf-MDT0000 (at 10.25.22.90@tcp) was lost; in progress operations using this service will wait for recovery to complete
Apr 30 14:03:07 golf1 kernel: LustreError: Skipped 8 previous similar messages
Apr 30 14:03:07 golf1 kernel: LustreError: 167-0: golf-MDT0000-mdc-ffff973bf6409800: This client was evicted by golf-MDT0000; in progress operations using this service will fail.
Apr 30 14:03:07 golf1 kernel: LustreError: 25491:0:(file.c:4339:ll_inode_revalidate_fini()) golf: revalidate FID [0x20004884e:0x16:0x0] error: rc = -5
Apr 30 14:03:07 golf1 kernel: ------------[ cut here ]------------
Apr 30 14:03:07 golf1 kernel: WARNING: CPU: 26 PID: 25600 at fs/nfsd/nfsproc.c:805 nfserrno+0x58/0x70 [nfsd]
Apr 30 14:03:07 golf1 kernel: LustreError: 25579:0:(file.c:216:ll_close_inode_openhandle()) golf-clilmv-ffff973bf6409800: inode [0x20004884e:0x15:0x0] mdc close failed: rc = -108
Apr 30 14:03:07 golf1 kernel: ------------[ cut here ]------------
Apr 30 14:03:07 golf1 kernel: ------------[ cut here ]------------
Apr 30 14:03:07 golf1 kernel: nfsd: non-standard errno: -108
Apr 30 14:03:07 golf1 kernel: ------------[ cut here ]------------
Apr 30 14:03:07 golf1 kernel: WARNING: CPU: 54 PID: 25602 at fs/nfsd/nfsproc.c:805 nfserrno+0x58/0x70 [nfsd]
Apr 30 14:03:07 golf1 kernel: LustreError: 25579:0:(file.c:216:ll_close_inode_openhandle()) Skipped 2 previous similar messages
Apr 30 14:03:07 golf1 kernel: WARNING: CPU: 24 PID: 25601 at fs/nfsd/nfsproc.c:805 nfserrno+0x58/0x70 [nfsd]
Apr 30 14:03:07 golf1 kernel: WARNING: CPU: 9 PID: 25505 at fs/nfsd/nfsproc.c:805 nfserrno+0x58/0x70 [nfsd]

Issue Links

• is related to: LU-13692 MDS slow/hung threads at mdt_object_local_lock
• is related to: LU-13054 MDS kernel BUG at ldiskfs/htree_lock.c:429!