[ceph-users] "failed to open ino"

Jens-U. Mozdzen jmozdzen at nde.ag
Mon Nov 27 02:57:43 PST 2017


Zitat von "Yan, Zheng" <ukernel at gmail.com>:
> On Sat, Nov 25, 2017 at 2:27 AM, Jens-U. Mozdzen <jmozdzen at nde.ag> wrote:
>> [...]
>> In the log of the active MDS, we currently see the following two inodes
>> reported over and over again, about every 30 seconds:
>> --- cut here ---
>> 2017-11-24 18:24:16.496397 7fa308cf0700  0 mds.0.cache  failed to open ino
>> [...]
> It's likely caused by NFS export.  MDS reveals this error message if
> NFS client tries to access a deleted file. The error causes NFS client
> to return -ESTALE.

thank you for pointing me at this potential cause - as we're still  
using NFS access during that job (old clients without native CephFS  
support), it may be we have some yet unnoticed stale NFS file handles.  
I'll have a closer look, indeed!


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