[Samba] samba slowing down

[Ricky Nance]

On Thu, Dec 18, 2014 at 3:51 PM, Cj Tibbetts <
cjtibbetts at heritageacademyaz.com> wrote:
>
> Thank you Ricky for responding. I am still new to linux and samba so I am
> struggling with where to start. I will answer your questions the best that
> I can. For memory use I see only a small increase over time. I used vmstat
> after reboot and after 30 min. I am using samba 4.1.9 compiled with samba
> internal dns. Ntp and freeradius packages are installed but freeradius is
> not started up. Ubuntu server 14.04 updated 2 weeks ago. I tried looking in
> the logs under /usr/local/samba/var and found a dns error. This confuses me
> because it responds to dns queries for the first hour after that it becomes
> intermitant. after 24 hrs. it takes many tries before any response of any
> kind is returned. I have another DC that appears to be connected to the
> domain as a AD DC but it does not give out any sort of support. For
> example. Using smbstatus
>
> Samba version 4.1.9
> PID     Username      Group         Machine
> -------------------------------------------------------------------
> 25340     3000464       users         10.3.12.18   (ipv4:10.3.12.18:49391)
> 25904     3000047       3000018       10.1.100.83  (ipv4:10.1.100.83:54949
> )
> 24051     3000269       3000018       10.3.12.13   (ipv4:10.3.12.13:62245)
> 25806     3000026       3000018       10.1.10.73   (ipv4:10.1.10.73:54555)
> 25818     3000029       3000018       10.1.10.111  (ipv4:10.1.10.111:61216
> )
> 25903     3000232       users         10.3.12.26   (ipv4:10.3.12.26:59159)
>
> Service      pid     machine       Connected at
> -------------------------------------------------------
> IPC$         25818   10.1.10.111   Thu Dec 18 13:50:49 2014
> IPC$         25340   10.3.12.18    Thu Dec 18 13:29:28 2014
> IPC$         24051   10.3.12.13    Thu Dec 18 12:10:42 2014
> sysvol       25903   10.3.12.26    Thu Dec 18 13:59:52 2014
> IPC$         25904   10.1.100.83   Thu Dec 18 14:00:00 2014
> IPC$         25806   10.1.10.73    Thu Dec 18 13:50:02 2014
>
> Locked files:
> Pid          Uid        DenyMode   Access      R/W        Oplock
>  SharePath   Name   Time
> ------------------------------------------------------------
> --------------------------------------
> 25903        3000232    DENY_WRITE 0x120089    RDONLY     BATCH
> /usr/local/samba/var/locks/sysvol
> ad.ha.net/Policies/{31B2F340-016D-11D2-945F-00C04FB984F9}/GPT.INI
> <http://ad.ha.net/Policies/%7B31B2F340-016D-11D2-945F-00C04FB984F9%7D/GPT.INI>
>  Thu Dec 18 13:59:52 2014
> 25903        3000232    DENY_WRITE 0x120089    RDONLY     BATCH
> /usr/local/samba/var/locks/sysvol
> ad.ha.net/Policies/{D1289ADB-9B8E-493A-9912-11B36D6F703E}/GPT.INI
> <http://ad.ha.net/Policies/%7BD1289ADB-9B8E-493A-9912-11B36D6F703E%7D/GPT.INI>
>  Thu Dec 18 13:59:52 2014
>
>
> on the second (not fsmo)
>
> no connections all day
>
>
> As mentioned I tried adding another DC which failed half way through
> although when I look at the windows active directory users and computers it
> shows the failed dc as a functioning dc. I receive errors when I try to
> tell it to replicate. It fails when it try's replicate the dns. I am also
> trying to run debug=3 in samba. Which shows connection refusals/failures to
> the second DC. So I see DNS and replication issues. I am not sure what to
> do next. Suggestions?
>
> CJ
>
> On Thu, Dec 18, 2014 at 1:50 PM, Ricky Nance <ricky.nance at gmail.com>
> wrote:
>>
>> Are you seeing a large amount of memory usage after it degrades? Which
>> samba version are you using (samba -V)? Which distro? The more information
>> you can give us, the more we can help.
>>
>> Ricky
>>
>> On Mon, Dec 15, 2014 at 3:06 PM, Cj Tibbetts <
>> cjtibbetts at heritageacademyaz.com> wrote:
>>>
>>> The longer our samba runs the more delayed the responses become. Samba
>>> has
>>> been running for 5 months but this new development was noticed 2 weeks
>>> ago.
>>> The first major sign of the issue was a new DC was trying to join and
>>> failed due to timeout errors. At close look we see performance
>>> degradation
>>> within a few hours or when we try to join a new DC.
>>>
>>> smb.conf
>>> # Global parameters
>>> [global]
>>>         workgroup = AD
>>>         realm = AD.HA.NET <http://ad.ha.net/>
>>>         netbios name = HAM1
>>>         server role = active directory domain controller
>>>         dns forwarder = 10.1.254.2
>>>         idmap_ldb:use rfc2307 = yes
>>>
>>> [netlogon]
>>>         path = /usr/local/samba/var/locks/sysvol/ad.ha.net/scripts
>>>         read only = No
>>>
>>> [sysvol]
>>>         path = /usr/local/samba/var/locks/sysvol
>>>         read only = No
>>> --
>>> To unsubscribe from this list go to the following URL and read the
>>> instructions:  https://lists.samba.org/mailman/options/samba
>>
>>

I am going to reply to your other thread on the list with a couple of
things, be sure to do a reply all so we can get list feedback as well (the
devs monitor that list, so after some troubleshooting they may be able to
help more).