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Adrian,

- --On April 21, 2008 13:33:09 +0300 Adrian Popa <[EMAIL PROTECTED]> wrote:

| Hello everybody,
|
| I ran into the same problem I had a while ago - nfsen sometimes (during the
| weekend) runs out of disk space and is at a stand-still...
|
| Here's how my system looked this morning:
|
| [EMAIL PROTECTED] ~]# df -h
| Filesystem            Size  Used Avail Use% Mounted on
| /dev/sda1              15G  8.4G  5.4G  61% /
| */dev/sda2             241G  229G     0 100% /data*
| none                  3.5G     0  3.5G   0% /dev/shm
| */dev/sda5              13G   13G     0 100% /var*
|
| The /var partition was filled by the syslog error messages:
| Apr 20 11:19:49 localhost /usr/local/bin/nfcapd[4490]: Process_v9: output
| buffer size error. Abort v9 record processing
| Apr 20 11:19:49 localhost /usr/local/bin/nfcapd[4487]: Failed to write
| output buffer to disk: 'No space left on device'
|
| I have a script that checks for partitions overflowing, but for some reason
| it didn't do the trick this time...
|
| After deleting some old flow data and clearing the /var partition, I rebuilt
| the live profile and restarted nfsen...
|
| [EMAIL PROTECTED] clearOldRRDs]# ./emergencyCleanup.pl
| /data 100
| /var 100
| Deleting files older than 2 days
| /data 48
| /var 85
| [EMAIL PROTECTED] clearOldRRDs]# df -h
| Filesystem            Size  Used Avail Use% Mounted on
| /dev/sda1              15G  8.4G  5.4G  61% /
| */dev/sda2             241G  110G  120G  48% /data*
| none                  3.5G     0  3.5G   0% /dev/shm
| */dev/sda5              13G   11G  1.9G  85% /var*
| [EMAIL PROTECTED] bin]# ./nfsen -r live
| name    live
| group   (nogroup)
| tcreate Thu Apr 10 15:02:27 2008
| tstart  Thu Apr 17 23:40:00 2008
| tend    Mon Apr 21 09:25:00 2008
| updated Mon Apr 21 09:25:00 2008
| expire  3 days 0 hours
| size    100.4 GB
| *maxsize 200.0 GB*
| type    live
| locked  0
| status  OK
| version 130
|
|
| My question is: if the maximum size of the profile is 200G, and the full
| profile would occupy 210G, why did it fill my 230G partition?

The channel size is updated from each collector as the files are stored on 
disk. The accumulated profile size is calculated by 
nfexpire at each 5min cycle run. If you manipulate anything by hand 
change/add/delete files, then you need to rebuild to total 
profile size, as NfSen has no ideas about any manual changes. Please also note, 
that NfSen handles profiles sizes on each 
individual bases and not according to the available size on a volume.

|
| Could you explain agian how the watermarking works? I would like to set it
| to delete stuff as soon as possible and not be lazy...

I posted an explanation a month ago to this list, don't know the exact date. It 
should be in the archive.

    - Peter
|
| Thank you,
| Adrian



- --
_______ 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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