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Hi All
I recently put an nfs-ganesha CEPH_FSAL deployment into production, so far
so good but I'm seeing some errors in the logs I didn't see when testing
and was hoping someone could shed some light on what they mean. I haven't
had any adverse behaviour reported from the clients (apart from a potential
issue with slow 'ls' operations which I'm investigating).
Versions:
libcephfs2-13.2.2-0.el7.x86_64
nfs-ganesha-2.7.1-0.1.el7.x86_64
nfs-ganesha-ceph-2.7.1-0.1.el7.x86_64
Ceph cluster is 12.2.10
Log errors:
"posix2fsal_error :FSAL :INFO :Mapping 11 to ERR_FSAL_DELAY"
I'm seeing this one frequently although seems to spam the log with 20 or so
occurrences in a second.
"15/05/2019 18:27:01 : epoch 5cd99ef1 : nfsserver :
> ganesha.nfsd-1990[svc_1653] posix2fsal_error :FSAL :INFO :Mapping 5 to
> ERR_FSAL_IO, rlim_cur=1048576 rlim_max=1048576
> 15/05/2019 18:27:01 : epoch 5cd99ef1 : nfsserver :
> ganesha.nfsd-1990[svc_1653] nfs4_Errno_verbose :NFS4 :CRIT :Error I/O error
> in nfs4_mds_putfh converted to NFS4ERR_IO but was set non-retryable"
I've only seen a few occurrences of this one
17/05/2019 15:34:24 : epoch 5cdd9df8 : nfsserver :
> ganesha.nfsd-4696[svc_258] xdr_encode_nfs4_princ :ID MAPPER :INFO
> :nfs4_gid_to_name failed with code -2.
> 17/05/2019 15:34:24 : epoch 5cdd9df8 : nfsserver :
> ganesha.nfsd-4696[svc_258] xdr_encode_nfs4_princ :ID MAPPER :INFO :Lookup
> for 1664 failed, using numeric group
This one doesn't seem too serious, my guess is there are accounts on the
clients with gids/uids that the server can't look up. The server is using
SSSD to bind to AD if that helps.
Export:
{
> Export_ID=100;
> Protocols = 4;
> Transports = TCP;
> Path = /;
> Pseudo = /ceph/;
> Access_Type = RW;
> Squash = No_root_squash;
> Attr_Expiration_Time = 0;
> Disable_ACL = FALSE;
> Manage_Gids = TRUE;
> Filesystem_Id = 100.1;
> FSAL {
> Name = CEPH;
> }
> }
Thanks,
David
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