[OmniOS-discuss] nfsv3rwsnoop.d lists NFS writes to <unknown> files

[Richard Elling]

> On Mar 21, 2017, at 3:54 PM, Richard Skelton <skeltonr at btconnect.com> wrote:
> 
> Hi,
> I am using the dtrace script nfsv3rwsnoop.d to find file that are accessed from my OmniOS r151020 filer and some file names are listed as unknown :-(
> I guess they are files that have been open for a long time and have dropped out of some data structure.

almost... they are files that were open prior to the dtrace script running or they are files
which have been deleted (!), such that there is no mapping between the nfs file handle and
the current file system

> Is there any way to increase the persistence of the name stored.
> I have lots on memory in this system and would be happy to sacrifice some if I could see more file name :-)

depending on what you wish to accomplish, dtrace might be the wrong tool and you might
want auditing or NFS logging instead 
 — richard

> 
> root at filer:/scratch# /root/dtrace/nfsv3rwsnoop.d |more
> 1189849649391    xxx.xx.xxx.59       W 10500    138879 <unknown>
> 1189849649582    xxx.xx.xxx.59       W 10500    137788 <unknown>
> 1189849740621    xxx.xx.xxx.118      W 0          2404 <unknown>
> 1189849781136    xxx.xx.xxx.109      W 19832    756675 /scratch/run.log
> 1189849849301    xxx.xx.xxx.102      W 1096      57513 /scratch/avm_remote_job_f64ccf56-efa1-4605-8a48-874816779289_2.out
> Cheers
> Richard
> 
> 
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