samba - Jan 2012 - Fwd: Re: Samba Freezes accessing shares/ low performance

Thanks Volker, I've Changed the values as you suggested, i noticed that 
the default value for max xmit is much less 16384! Still I feel like the 
performance is very slow indeed. This because on server, a can make 
copys arround 8gb/s! and in samba is all so slow and it freezes as i sad 
many times...

Can you have a second look to the log, to see if you see anything 
strange? I'm putting a dump off the level 1 log, for you to check, i 
know it's more general, but if you notice anything, then i will increase 
it to see it better!

  [2012/01/04 11:07:44.992938, 1] smbd/server.c:294(remove_child_pid) 
Scheduled cleanup of brl and lock database after unclean shutdown 
[2012/01/04 11:08:04.996512, 1] smbd/server.c:266(cleanup_timeout_fn) 
Cleaning up brl and lock database after unclean shutdown [2012/01/04 
11:08:41.711133, 1] smbd/server.c:294(remove_child_pid) Scheduled 
cleanup of brl and lock database after unclean shutdown [2012/01/04 
11:09:01.717859, 1] smbd/server.c:266(cleanup_timeout_fn) Cleaning up 
brl and lock database after unclean shutdown [2012/01/04 
12:01:53.685263, 1] smbd/server.c:294(remove_child_pid) Scheduled 
cleanup of brl and lock database after unclean shutdown [2012/01/04 
12:02:13.689221, 1] smbd/server.c:266(cleanup_timeout_fn) Cleaning up 
brl and lock database after unclean shutdown [2012/01/04 
12:07:36.437089, 1] smbd/server.c:294(remove_child_pid) Scheduled 
cleanup of brl and lock database after unclean shutdown [2012/01/04 
12:07:56.441751, 1] smbd/server.c:266(cleanup_timeout_fn) Cleaning up 
brl and lock database after unclean shutdown [2012/01/04 
12:17:37.812975, 1] smbd/server.c:294(remove_child_pid) Scheduled 
cleanup of brl and lock database after unclean shutdown [2012/01/04 
12:17:57.816510, 1] smbd/server.c:266(cleanup_timeout_fn) Cleaning up 
brl and lock database after unclean shutdown [2012/01/04 
13:02:45.073818, 1] smbd/server.c:294(remove_child_pid) Scheduled 
cleanup of brl and lock database after unclean shutdown [2012/01/04 
13:03:05.085521, 1] smbd/server.c:266(cleanup_timeout_fn) Cleaning up 
brl and lock database after unclean shutdown [2012/01/04 
13:07:18.905277, 1] smbd/server.c:294(remove_child_pid) Scheduled 
cleanup of brl and lock database after unclean shutdown [2012/01/04 
13:07:38.906269, 1] smbd/server.c:266(cleanup_timeout_fn) Cleaning up 
brl and lock database after unclean shutdown [2012/01/04 
13:14:37.957566, 1] smbd/server.c:294(remove_child_pid) Scheduled 
cleanup of brl and lock database after unclean shutdown [2012/01/04 
13:14:57.958360, 1] smbd/server.c:266(cleanup_timeout_fn) Cleaning up 
brl and lock database after unclean shutdown [2012/01/04 
13:17:40.097021, 1] smbd/server.c:294(remove_child_pid) Scheduled 
cleanup of brl and lock database after unclean shutdown [2012/01/04 
13:18:00.100073, 1] smbd/server.c:266(cleanup_timeout_fn) Cleaning up 
brl and lock database after unclean shutdown [2012/01/04 
14:02:39.801610, 1] smbd/server.c:294(remove_child_pid) Scheduled 
cleanup of brl and lock database after unclean shutdown [2012/01/04 
14:02:59.812268, 1] smbd/server.c:266(cleanup_timeout_fn) Cleaning up 
brl and lock database after unclean shutdown [2012/01/04 
14:03:18.601017, 1] smbd/server.c:294(remove_child_pid) Scheduled 
cleanup of brl and lock database after unclean shutdown [2012/01/04 
14:03:38.603099, 1] smbd/server.c:266(cleanup_timeout_fn) Cleaning up 
brl and lock database after unclean shutdown [2012/01/04 
14:11:43.877235, 1] smbd/server.c:294(remove_child_pid) Scheduled 
cleanup of brl and lock database after unclean shutdown [2012/01/04 
14:12:03.879569, 1] smbd/server.c:266(cleanup_timeout_fn) Cleaning up 
brl and lock database after unclean shutdown [2012/01/04 
15:07:39.429117, 1] smbd/server.c:294(remove_child_pid) Scheduled 
cleanup of brl and lock database after unclean shutdown [2012/01/04 
15:07:59.429898, 1] smbd/server.c:266(cleanup_timeout_fn) Cleaning up 
brl and lock database after unclean shutdown [2012/01/04 
15:15:44.592951, 1] smbd/server.c:294(remove_child_pid) Scheduled 
cleanup of brl and lock database after unclean shutdown [2012/01/04 
15:16:04.596144, 1] smbd/server.c:266(cleanup_timeout_fn) Cleaning up 
brl and lock database after unclean shutdown Many Thanks! Vasco Leal 
Best Regards, Vasco Le?nidas Pinto Leal IT Director JUZO - Inform?tica e 
Servi?os, Lda Mozilla Thunderbird, The Mail Rebirth! Still Stucked With 
Windows? Give Linux a Try And Enhance Your Work! Em 04-01-2012 08:57, 
Volker Lendecke escreveu: > On Tue, Jan 03, 2012 at 11:26:06PM +0000, 
Vasco Leal wrote: >> When accessing the shares on my samba server, it 
sometimes freezes, >> i have the lateste version, 3.6.1, mas since 
version 3.4 wish was >> the first i used, i've been running into this 
problems. When i try >> to browse the shares, many times, like 1 in 10, 
it freezes and >> sometimes, when saving files, it fails at the first 
command and only >> at the second command to save it does so. >>
>> My
other problem is with samba very low performance, i have 50 >> computers 
on the office, have 1000mbps connections, 3 1000mbps ports >> being used 
just for samba as a bond, and still the performance is >> very low, my 
server is a hp dl380 g6 with 24GB of memory, dual xeon >> at 2.4Ghz and 
2 Sas controllers with 1024MB memory each, so i >> shouldn't be 
experiencing any delay. I'll Put a dump of both my >> smb.conf and 
smbd.log. >> >> Hope to get Some Help cause this is driving me
crazy!!!
 >> >> *smb.conf* >> >> #Date: 2011/02/19 00:34:22
>> >> [global] >> >>
security = user >> >> workgroup = NLAdomain >> >>
netbios aliases =
NLSRV >> >> server string = NLSRV >> >> name resolve
order = wins host
bcast >> >> socket options = TCP_NODELAY IPTOS_LOWDELAY SO_KEEPALIVE
>>
SO_RCVBUF=65536 SO_SNDBUF=65536 > Please remove the SO_RCVBUF and 
SO_SNDBUF options. > >> log level = 4 > For maximum performance, log
level = 1 is sufficient, > although 4 should not affect it badly yet. > 
 >> max log size = 50 > This is very, very small. > >> max
xmit = 65535
 > Please remove this parameter. > > If transfers are still slow or 
stall, I would investigate > the hardware you are using. It can be 
anything from bad > network cables to flaky disks, something which is 
difficult > to judge without direct machine access. Trying transfer via 
 > ftp might give you hints. > > With best regards, > > Volker
Lendecke >

On Wed, Jan 04, 2012 at 04:20:39PM +0000, Vasco Leal
wrote:
> Thanks Volker, I've Changed the values as you suggested, i noticed that
> the default value for max xmit is much less 16384! Still I feel like the 
> performance is very slow indeed. This because on server, a can make 
> copys arround 8gb/s! and in samba is all so slow and it freezes as i sad 
> many times...
> 
> Can you have a second look to the log, to see if you see anything 
> strange? I'm putting a dump off the level 1 log, for you to check, i 
> know it's more general, but if you notice anything, then i will
increase
> it to see it better!
> 
>  [2012/01/04 11:07:44.992938, 1] smbd/server.c:294(remove_child_pid) 
> Scheduled cleanup of brl and lock database after unclean shutdown 
> [2012/01/04 11:08:04.996512, 1] smbd/server.c:266(cleanup_timeout_fn) 
These should never happen on a sane system. You need a
higher log level to diagnose why smbds die.

Volker

-- 
SerNet GmbH, Bahnhofsallee 1b, 37081 G?ttingen
phone: +49-551-370000-0, fax: +49-551-370000-9
AG G?ttingen, HRB 2816, GF: Dr. Johannes Loxen
http://www.sernet.de, mailto:kontakt at sernet.de

On Thu, Jan 05, 2012 at 06:27:54PM +0000, Vasco Leal
wrote:
> Sorry, for some reason it didn't updated to log 10, now is on level 10!
That log file only contains the main smbd log file. To me it
seems that you have a "log file = " parameter set in your
smb.conf file that configures individual log files per
client. It is those logfiles that we need that might contain
some panic or other unclean shutdown traces.

With best regards,

Volker Lendecke

-- 
SerNet GmbH, Bahnhofsallee 1b, 37081 G?ttingen
phone: +49-551-370000-0, fax: +49-551-370000-9
AG G?ttingen, HRB 2816, GF: Dr. Johannes Loxen
http://www.sernet.de, mailto:kontakt at sernet.de

So i should unify all logs in one, and search there?

Best Regards,
Vasco Le?nidas Pinto Leal
IT Director
JUZO - Inform?tica e Servi?os, Lda

Mozilla Thunderbird, The Mail Rebirth!

Still Stucked With Windows? Give Linux a Try And Enhance Your Work!


Em 08-01-2012 14:08, Volker Lendecke escreveu:
> On Sun, Jan 08, 2012 at 11:24:30AM +0000, Vasco Leal wrote:
>> A Little Help Pleaseee!
> Sorry, but these are again the wrong logfiles. Please get
> some local supporter on site to generate good logfiles. See
> http://samba.org/samba/support/ for local companies
> providing commercial support.
>
> With best regards,
>
> Volker Lendecke
>