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- --On April 15, 2008 10:27:58 -0400 Bogdan Dumitriu <[EMAIL PROTECTED]> wrote:
| I fixed the nfslock issues. For some reason nfslock has to run on the
| client. So I did "service nfslock start" and that fixed the kernel
| errors. However nfcapd still complains when I stop it (not errors when
| it's running):
|
| Apr 14 23:03:11 pandora4 /usr/local/bin/nfcapd[6337]: ioctl(F_WRLCK)
| error in nfstatfile.c line 339: Input/output error
| Apr 14 23:03:11 pandora4 /usr/local/bin/nfcapd[6337]: Terminating
| nfcapd.
|
| Also the files are ok and nfsen is able to read them and generate the
| graphs. So I guess I can ignore those.
|
| Now I'm back to my original problem: nfsend is not updating the size for
| the live profile. I see the graphs, I can query the flows, get
| statistics, etc., it's just the size of the live profile that is not
| growing. The other profiles are fine. I also don't have this problem on
| the devel machine where both nfsen and nfcapd are on the same machine
| and nfcapd writes locally.
|
| So could this be NFS related?
Yes - most likely it is. nfcapd/nfexpire/nfsend use file locks to arbitrate
concurrent file access to .nfstat. So you have to verify that proper locking
for NFS works, which is a kind of headache most of the time. Check your
rpc.lockd
( lockd ) and friends on the NFS host.
- Peter
|
| This is how i mount the share:
|
| artemis:/opt/data/netflow /data nfs rw 0 0
|
| I also tried:
| artemis:/opt/data/netflow /data nfs
| rw,hard,intr,tcp,lock 0 0
|
| Still no luck!
|
| All is ok if I run nfexpire manually: nfexpire -p -r /profile_data &&
| nfexpire -p -s 900G -w 90 -e /profile_data
|
| I also run did: sudo -u apache command and it was ok.
|
| selinux completely disabled on both the analizer and the collector.
|
| There are no errors in the logs:
|
| Apr 15 04:10:15 artemis nfsen[4305]: Run periodic at Tue Apr 15 04:10:00
| 2008
| Apr 15 04:10:15 artemis nfsen[4305]: Prepare profiling './live'
| Apr 15 04:10:15 artemis nfsen[4305]: 0 channels/alerts to profile
| Apr 15 04:10:15 artemis nfsen[4305]: No continous profiles - nothing to
| profile
| Apr 15 04:10:15 artemis nfsen[4305]: Update profile live in group .
| Apr 15 04:10:15 artemis nfsen[4305]: Add channel size 12099584
| Apr 15 04:10:15 artemis nfsen[4305]: Set new profile size: 12099584
| Apr 15 04:10:15 artemis nfsen[4305]: Add .:live:200804150405 for plugin
| processing
| Apr 15 04:10:15 artemis nfsen[7087]: Run periodic at Tue Apr 15 04:10:00
| 2008
| Apr 15 04:10:15 artemis nfsen[7087]: Prepare profiling './live'
| Apr 15 04:10:15 artemis nfsen[7087]: 0 channels/alerts to profile
| Apr 15 04:10:15 artemis nfsen[7087]: No continous profiles - nothing to
| profile
| Apr 15 04:10:15 artemis nfsen[7087]: Run plugins for 200804150405
| Apr 15 04:10:15 artemis nfsen[7087]: Run plugins done.
| Apr 15 04:10:15 artemis nfsen[7087]: Check alerts for Tue Apr 15
| 04:05:00 2008
| Apr 15 04:10:15 artemis nfsen[7087]: Check alerts done.
| Apr 15 04:10:15 artemis nfsen[7087]: Run expire at Tue Apr 15 04:10:00
| 2008
| Apr 15 04:10:15 artemis nfsen[7087]: End expire at Tue Apr 15 04:10:00
| 2008
|
| The following lines are always the same (even though there are new files
| in the data folder and I can see they's been processed and graphs
| updated):
|
| Apr 15 04:15:15 artemis nfsen[7087]: Add channel size 12099584
| Apr 15 04:15:15 artemis nfsen[7087]: Set new profile size: 12099584
|
| It seems that nfsend is not able to update the .nfstat. It only gets
| updated when I run nfexpire manually.
|
| [EMAIL PROTECTED] hala1]# cat .nfstat
| first=1208228400
| last=1208265300
| size=6599692288
| maxsize=0
| numfiles=124
| lifetime=0
| watermark=95
| status=0
|
| Could this be related to Fedora or the nfs version?
|
| Linux pandora4 2.6.18-1.2798.fc6 #1 SMP Mon Oct 16 14:54:20 EDT 2006
| i686 i686 i386 GNU/Linux
| nfs-utils-1.0.9-8.fc6
| nfs-utils-lib-1.0.8-7.2
|
| Thanks,
| Bogdan.
|
|
| -----Original Message-----
| From: Bogdan Dumitriu
| Sent: April 14, 2008 5:52 PM
| To: Peter Haag; [email protected]
| Subject: RE: [Nfsen-discuss] Live profile filling up the drive
| (profile.dat doesn't get updated)
|
|
| Hi Peter,
|
| Sorry for replying so late. I've been busy rebuilding everything from
| scratch. :-)
|
| I'm thinking it's NFS related. I assume that for some reason nfcapd is
| not able to lock the files or something like that. We have a distributed
| setup: 3 collectors writing to a network share using NFS v3. I only get
| errors when I stop the nfcapd (no errors when I start it):
|
| Apr 14 17:40:25 pandora4 kernel: lockd: cannot monitor 10.0.0.194 Apr 14
| 17:40:25 pandora4 kernel: lockd: failed to monitor 10.0.0.194 Apr 14
| 17:40:25 pandora4 /usr/local/bin/nfcapd[2449]: ioctl(F_WRLCK) error in
| nfstatfile.c line 339: No locks available Apr 14 17:40:25 pandora4
| /usr/local/bin/nfcapd[2449]: Terminating nfcapd.
| Apr 14 17:40:25 pandora4 /usr/local/bin/nfcapd[2446]: Ident: 'hala1'
| Flows: 124710, Packets: 2259605, Bytes: 1526942249, Sequence Errors: 1,
| Bad Packets: 0 Apr 14 17:40:25 pandora4 kernel: lockd: cannot monitor
| 10.0.0.194 Apr 14 17:40:25 pandora4 kernel: lockd: failed to monitor
| 10.0.0.194 Apr 14 17:40:25 pandora4 /usr/local/bin/nfcapd[2446]:
| ioctl(F_WRLCK) error in nfstatfile.c line 339: No locks available Apr 14
| 17:40:25 pandora4 /usr/local/bin/nfcapd[2446]: Terminating nfcapd.
|
| Is there a better way than writing to the share in real-time? Maybe
| write locally and rsync hourly or something like that?
|
| Thanks,
| Bogdan.
|
|
|
| -----Original Message-----
| From: Peter Haag [mailto:[EMAIL PROTECTED]
| Sent: April 2, 2008 3:27 AM
| To: Bogdan Dumitriu; [email protected]
| Subject: Re: [Nfsen-discuss] Live profile filling up the drive
| (profile.dat doesn't get updated)
|
| -----BEGIN PGP SIGNED MESSAGE-----
| Hash: SHA1
|
| Hi Bogdan,
| It looks like that your nfcapd collector processes can not update the
| stat files.
| Make sure the UID for nfcapd can write and update the files. Also check
| the syslog daemon message file, as problems are reported there. Make
| also sure that any SElinux policies are set correct if you have them in
| place.
| Let me know about the results
|
| - Peter
|
| - --On March 28, 2008 11:31:34 -0400 Bogdan Dumitriu
| <[EMAIL PROTECTED]> wrote:
|
| | Hello everybody,
| |
| | First a bit about our system: Linux 2.6.18-1.2849.fc6 #1 SMP
| |
| | We tried both the latest stable and beta:
| | nfsen: 1.3b-20070824 $Id: nfsen 18 2007-07-20 12:33:25Z phaag $
| |
| | We have recently started to use nfsen/nfdump and realized it's not
| | updating the size of the live profile and filled the whole drive. It's
|
| | strange that all the other profiles are fine. Both the gui and "nfsen
| | -l live" show "Size: 0" for the live profile:
| |
| | [EMAIL PROTECTED] bin]#./nfsen -l live
| | name live
| | group (nogroup)
| | tcreate Fri Mar 28 10:20:00 2008
| | tstart Fri Mar 28 10:23:54 2008
| | tend Fri Mar 28 11:00:00 2008
| | updated Fri Mar 28 11:00:00 2008
| | expire 0 hours
| | size 0
| | maxsize 0
| | type live
| | locked 0
| | status OK
| | version 130
| | channel pego10k sign: + colour: #0000ff order: 1 sourcelist:
| | pego10k ERR Channel info file missing for channel 'pego10k' in 'live'
| | Files: 0 Size: 0
| |
| | even though the live profile is ~800MB:
| |
| | [EMAIL PROTECTED] bin]# du -bs /data/nfsen/profiles-data/live/ 904764050
| | /data/nfsen/profiles-data/live/
| |
| |
| | By default ".nfstat" (channel info in
| | $DATADIR/profile-data/live/channel/.nfstat) is empty and it doesn't
| | get
| | updated:
| |
| | Mar 28 10:50:15 brawn nfsen[12577]: Error reading channel stat
| | information. Missing key 'first'
| |
| |
| | "nfsen -r live" will regenerate ".nfstat" and "profile.dat" with the
| | right info (including the size)
| |
| | [EMAIL PROTECTED] bin]# ./nfsen -r live
| | name live
| | group (nogroup)
| | tcreate Fri Mar 28 10:20:00 2008
| | tstart Fri Mar 28 10:20:00 2008
| | tend Fri Mar 28 11:10:00 2008
| | updated Fri Mar 28 11:10:00 2008
| | expire 0 hours
| | size 801.9 MB
| | maxsize 0
| | type live
| | locked 0
| | status OK
| | version 130
| | channel pego10k sign: + colour: #0000ff order: 1 sourcelist:
| | pego10k Files: 11 Size: 840855552
| |
| | [EMAIL PROTECTED] bin]#
| | [EMAIL PROTECTED] bin]# cat /data/nfsen/profiles-data/live/pego10k/.nfstat
| | first=1206714000
| | last=1206717000
| | size=840855552
| | maxsize=0
| | numfiles=11
| | lifetime=0
| | watermark=0
| | status=0
| |
| |
| | But unfortunately they stay that way and it will no longer get updated
|
| | automatically.
| |
| | Mar 28 11:20:15 brawn nfsen[12981]: Update profile live in group .
| | Mar 28 11:20:15 brawn nfsen[12981]: Add channel size 840855552 Mar 28
| | 11:20:15 brawn nfsen[12981]: Set new profile size: 840855552
| |
| | Mar 28 11:25:15 brawn nfsen[12981]: Update profile live in group .
| | Mar 28 11:25:15 brawn nfsen[12981]: Add channel size 840855552 Mar 28
| | 11:25:15 brawn nfsen[12981]: Set new profile size: 840855552
| |
| | ------------------- and so on ----------------------------
| |
| |
| | At the beginning we thought we did something wrong so we tried to
| | recompile the whole thing, remove all the channels, re-add the
| | channels, expire all the files, add a maxsize to the live profile,
| | remove the max size, rebuild the profile, etc. We've tried everything
| | we could have thought of! This morning we actually did a new clean
| | install of nfse/nfdump on a different machine and, as you can see, the
|
| | size of the live profile still doesn't get updated automatically!
| |
| | Has anybody else run into this problem? Is this a known bug? Is there
| | a fix? Are we doing something wrong?
| |
| | Thanks,
| | Bogdan.
| |
| | Do you really need to print this email? Help preserve our environment!
|
| | Devez-vous vraiment imprimer ce courriel? Pensons a l'environnement!
| | __________________________________________________________
| |
| | The information in this message, including in all attachments, is
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| | __________________________________________________________
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|
|
| - --
| _______ SWITCH - The Swiss Education and Research Network ______ Peter
| Haag, Security Engineer, Member of SWITCH CERT PGP fingerprint: D9 31
| D5 83 03 95 68 BA FB 84 CA 94 AB FC 5D D7
| SWITCH, Werdstrasse 2, P.O. Box, CH-8021 Zurich, Switzerland
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| this document is strictly forbidden. Please notify immediately the sender of
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- --
_______ SWITCH - The Swiss Education and Research Network ______
Peter Haag, Security Engineer, Member of SWITCH CERT
PGP fingerprint: D9 31 D5 83 03 95 68 BA FB 84 CA 94 AB FC 5D D7
SWITCH, Werdstrasse 2, P.O. Box, CH-8021 Zurich, Switzerland
E-mail: [EMAIL PROTECTED] Web: http://www.switch.ch/
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