[syslog-ng] 3.2.5 and Multiline(?) messages from Solaris

Scheidler, Balázs balazs.scheidler at balabit.com
Tue May 12 21:18:22 CEST 2015


Hmm what was the sniffer that printed these lines? I would prefer to see
what was in the wire exactly as these seem to have been processed somewhat.
On May 12, 2015 5:02 PM, "Ray Van Dolson" <rvandolson at esri.com> wrote:

> On Tue, May 12, 2015 at 08:49:20AM +0200, Scheidler, Balázs wrote:
> > The most important thing with multiline is the transport.
> >
> > Udp can transmit multiline messages just as syslog(transport(tcp))
> > but of course the client has to support the same protocol.
> >
> > What do you use on the solaris side?
>
> Using the default syslog daemon in Solaris 10 (uses UDP).
>
> >
> > If you haven't changed the client I don't see why the message would
> > be truncated like that. Once received syslog-ng would only replace
> > newlines with spaces.
> >
> > So I guess it is a transport issue on the sending side. But
> > tcpdump/wireshark should help a lot here.
>
> Packet capture results leave me scratching my head a bit:
>
> 714 2015-05-12 03:41:06.172567 10.49.6.166 10.49.7.16  Syslog  150
> KERN.WARNING: May 12 03:41:06 scsi: [ID 243001 kern.warning] WARNING: /pci at 0
> ,0/pci8086,3410 at 9/pci15d9,400 at 0 (mpt_sas0):
> 715 2015-05-12 03:41:06.172575 10.49.6.166 10.49.7.16  Syslog  127
> KERN.WARNING: May 12 03:41:06 \tmptsas_handle_event_sync: IOCStatus=0x8000,
> IOCLogInfo=0x31110610
>
> 718 2015-05-12 03:41:10.172475  10.49.6.166 10.49.7.16  Syslog  138
> KERN.INFO: May 12 03:41:10 scsi: [ID 365881 kern.info] /pci at 0
> ,0/pci8086,3410 at 9/pci15d9,400 at 0 (mpt_sas0):
> 719 2015-05-12 03:41:10.172483 10.49.6.166 10.49.7.16  Syslog  105
> KERN.INFO: May 12 03:41:10 \tLog info 0x31110610 received for target 24.
>
> 721 2015-05-12 03:41:10.172487 10.49.6.166 10.49.7.16  Syslog  142
> KERN.WARNING: May 12 03:41:10 scsi: [ID 107833 kern.warning] WARNING:
> /scsi_vhci/disk at g5000c50019bc81e1 (sd31):
> 722 2015-05-12 03:41:10.172491 10.49.6.166 10.49.7.16  Syslog  110
> KERN.WARNING: May 12 03:41:10 \tSCSI transport failed: reason 'reset':
> giving up
>
> (Sorry for the word-wrap).
>
> So, you can see the second line comes through as a completely separate
> message with a tab character '\t' at the beginning.
>
> The odd thing?  Packets 714 & 715 come through fine and syslog-ng
> appends them both to my output log.
>
> However, for pairs 718 & 719 and 721 & 722, only the first line comes
> through.  In both cases the tab character is 0x09 so not seeing a
> difference there.
>
> Makes me think it's something in the syslog-ng config rather than the
> message.  Probably will move to something super simple to see that
> fixes it (keeping in mind this behavior didn't occur w/ syslog-ng 2.x).
>
> Ray
>
> >
> > On May 12, 2015 05:43, "Ray Van Dolson" <rvandolson at esri.com> wrote:
> >
> >     Admittedly haven't done enough searching or testing on this, but am
> >     hoping someone might have a quick answer.
> >
> >     Recently moved from the 2.x verions to 3.2.5 (as part of EPEL on
> >     RHEL6).  Have noticed that we're no longer getting the full messages
> >     from some Solaris boxen using the tcp() and udp() source definitions.
> >
> >     Messages like this:
> >
> >     May 10 02:29:30 dev-zfs2 scsi: [ID 365881 kern.info] /pci at 0,0/
> >     pci8086,3410 at 9/pci15d9,400 at 0 (mpt_sas0):
> >     May 10 02:29:30 dev-zfs2        Log info 0x31080000 received for
> target 24.
> >     May 10 02:29:30 dev-zfs2        scsi_status=0x0, ioc_status=0x804b,
> >     scsi_state=0x0
> >
> >     Come through looking like this:
> >
> >     May 10 02:29:30 dev-zfs2 scsi: [ID 365881 kern.info] /pci at 0,0/
> >     pci8086,3410 at 9/pci15d9,400 at 0 (mpt_sas0):
> >
> >     (Only the initial line)
> >
> >     However, messages like this one:
> >
> >     May  9 04:12:57 dev-zfs2 scsi: [ID 243001 kern.warning] WARNING:
> /pci at 0,0/
> >     pci8086,3410 at 9/pci15d9,400 at 0 (mpt_sas0):
> >     May  9 04:12:57 dev-zfs2        mptsas_handle_event_sync:
> IOCStatus=0x8000,
> >     IOCLogInfo=0x31110610
> >
> >     .. do seem to be coming through "whole" (I do note that the priority
> >     is different in both).
> >
> >     Relevant config items are as follows:
> >
> >     log {
> >         source(remote);
> >         filter(syslog);
> >         destination(hosts_syslog);
> >     };
> >
> >     source remote {
> >         udp();
> >         tcp();
> >         # udp(ip(0.0.0.0) port(514));
> >         # tcp(ip(0.0.0.0) port(514));
> >     };
> >
> >     destination hosts_syslog {
> >
>  file("/logs/hosts/$HOST/$YEAR/$MONTH/syslog.$HOST.$YEAR.$MONTH.log"
> >             create_dirs(yes));
> >         pipe("/logs/hosts/everything.fifo");
> >     };
> >
> >     filter syslog {
> >         (not facility(mail)
> >         and not filter(f_ucgw)
> >         and not filter(f_esx));
> >     };
> >
> >     Will try and do some packet captures to confirm Solaris is, in fact,
> >     sending the entire message (I believe it is since this worked on
> >     syslog-ng 2.x).
> >
> >     Thanks,
> >     Ray
>
> ______________________________________________________________________________
> Member info: https://lists.balabit.hu/mailman/listinfo/syslog-ng
> Documentation:
> http://www.balabit.com/support/documentation/?product=syslog-ng
> FAQ: http://www.balabit.com/wiki/syslog-ng-faq
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.balabit.hu/pipermail/syslog-ng/attachments/20150512/242d7a73/attachment.htm 


More information about the syslog-ng mailing list