[OpenIndiana-discuss] CIFS domain controller "not responding" errors

Bryan S. Leaman leaman at bitbytes.com
Thu Sep 29 19:49:10 UTC 2011


On 9/29/2011 3:32 PM, Gordon Ross wrote:
> On Thu, Sep 29, 2011 at 2:40 PM, Bryan S. Leaman<leaman at bitbytes.com>  wrote:
>> I have a CIFS share set up on oi_151a, and it's working fine except that
>> during times of sustained activity I get the following errors in
>> /var/adm/messages frequently, every 3 to 5 minutes.  I also noticed that if
>> I keep the share idle for awhile, then run a "dir" from a mapped client, it
>> hangs for 5 to 10 seconds and when it displays the directory listing I get
>> the same set of errors in /var/adm/messages.  After this happens once, then
>> it's fine for some time with no delay on the client side.
>>
>> Sep 29 14:14:23 oi151dev nsmb: [ID 176748 kern.notice] SMB server dc01 not
>> responding
>> Sep 29 14:14:23 oi151dev nsmb: [ID 350600 kern.notice] SMB server dc01 OK
>> Sep 29 14:19:07 oi151dev nsmb: [ID 176748 kern.notice] SMB server dc01 not
>> responding
>> Sep 29 14:19:07 oi151dev nsmb: [ID 350600 kern.notice] SMB server dc01 OK
>> Sep 29 14:24:38 oi151dev nsmb: [ID 176748 kern.notice] SMB server dc01 not
>> responding
>> Sep 29 14:24:38 oi151dev nsmb: [ID 350600 kern.notice] SMB server dc01 OK
>>
>> I've copied hundreds of gigs of data to this share with robocopy without any
>> failures on the client side, but something seems to be broken somewhere.
>>   Any ideas?
>>
>> Bryan
> That noise is nothing to worry about.  It's the SMB client (nsmb is a
> helper for smbfs)
> complaining that the SMB server has not sent it any responses in 15
> seconds or so.
> Perhaps that timer should be longer...  Or you need a faster server:)
>
> Gordon

OK, that's good to know.  However, why would I be experiencing hangs 
during which no data is flowing or the directory listing takes a long 
time?  It seems to be related because the logs are generated immediately 
when it stops hanging.  Are there any settings I should be tweaking?

Bryan

Bryan




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