Andy Lubel wrote:
> Hello,
>
> I've got a real doozie..   We recently implemented a b89 as zfs/nfs/ 
> cifs server.  The NFS client is HP-UX (11.23).
>
> What's happening is when our dba edits a file on the nfs mount with  
> vi, it will not save.
>
> I removed vi from the mix by doing 'touch /nfs/file1' then 'echo abc  
>  > /nfs/file1' and it just sat there while the nfs servers cpu went up  
> to 50% (one full core).
>
> This nfsstat is most troubling (I zeroed it and only tried to echo  
> data into a file so this is the numbers for about 2 minutes before I  
> CTRL-C'ed the echo command).
>
> Version 3: (11242416 calls)
> null        getattr     setattr     lookup      access      readlink
> 0 0%        5600958 49% 5600895 49% 19 0%       9 0%        0 0%
> read        write       create      mkdir       symlink     mknod
> 0 0%        40494 0%    5 0%        0 0%        0 0%        0 0%
> remove      rmdir       rename      link        readdir     readdirplus
> 3 0%        0 0%        0 0%        0 0%        0 0%        7 0%
> fsstat      fsinfo      pathconf    commit
> 12 0%       0 0%        0 0%        14 0%
>
>
> Thats a lot of getattr and setattr!  Does anyone have any advice on  
> where I should start to figure out what is going on?  truss, dtrace,  
> snoop.. so many choices!

snoop would be a fine place to start. This'll tell us what the server is 
responding to all those getattr/setattr calls with.

- Lisa
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