Hi Gregory, Normally, try to use the lowest number one; though any should do if Linux is working right (each process is actually a thread - that's been "fixed" in later releases). You can restart right after. Just make sure a) the executable is compiled after a configure with "--build=debug" and b) supply the executable; thanks. Andy On Thu, 7 Jul 2005, Gregory Schott wrote: > Hello Andy, > > Just to let you know, I couldn't yet do the gcore as it was not installed > on these NAS boxes. The GridKa admins were apparently busy... I found out > today that gcore exists only since Redhat 8.0 and these NAS boxes are RedHat > 7.3. I tried to compile from source but I am still missing some dependances. > > I have two questions: > - on which of the processes should I run gcore (there are many running) > > 000 S xrootd 7040 1 0 85 10 - 4780 schedu Jul04 ? 00:00:01 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > 000 S xrootd 7041 1 0 85 10 - 3417 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/olbd -s -l /tmp/f01-014-106.olblog -c config/d > 040 S xrootd 7042 7041 0 85 10 - 3417 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/olbd -s -l /tmp/f01-014-106.olblog -c config/d > 040 S xrootd 7043 7042 0 85 10 - 3417 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/olbd -s -l /tmp/f01-014-106.olblog -c config/d > 040 S xrootd 7044 7040 0 85 10 - 4780 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > 040 S xrootd 7045 7044 0 85 10 - 4780 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > 040 S xrootd 7046 7044 0 85 10 - 4780 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > 040 S xrootd 7048 7044 0 85 10 - 4780 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > 040 S xrootd 7049 7044 0 85 10 - 4780 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > 040 S xrootd 7050 7044 0 85 10 - 4780 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > 040 S xrootd 7051 7044 0 85 10 - 4780 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > 040 S xrootd 7052 7044 0 90 10 - 4780 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > 040 S xrootd 7053 7044 0 90 10 - 4780 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > 040 S xrootd 7054 7044 0 85 10 - 4780 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > 040 S xrootd 7055 7044 0 85 10 - 4780 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > 040 S xrootd 7056 7042 0 85 10 - 3417 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/olbd -s -l /tmp/f01-014-106.olblog -c config/d > 040 S xrootd 7057 7042 0 90 10 - 3417 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/olbd -s -l /tmp/f01-014-106.olblog -c config/d > 040 S xrootd 7058 7042 0 85 10 - 3417 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/olbd -s -l /tmp/f01-014-106.olblog -c config/d > 040 S xrootd 7062 7042 0 85 10 - 3417 schedu Jul04 ? 00:00:00 /home/xrootd/software/current/bin/olbd -s -l /tmp/f01-014-106.olblog -c config/d > 040 S xrootd 25073 7044 0 85 10 - 4780 rt_sig Jul06 ? 00:01:34 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > 040 S xrootd 28474 7044 0 85 10 - 4780 rt_sig Jul06 ? 00:01:30 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > 040 S xrootd 6991 7044 0 85 10 - 4780 rt_sig Jul06 ? 00:00:31 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > 040 S xrootd 9026 7044 0 85 10 - 4780 rt_sig Jul06 ? 00:00:10 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > 040 S xrootd 9486 7044 0 85 10 - 4780 rt_sig Jul06 ? 00:00:07 /home/xrootd/software/current/bin/xrootd -p 1094 -l /tmp/f01-014-106.xrdlog -c c > > - can I stop and restart xrootd after the gcore or do you need some > additional test? > > I'll send you the gcore once I have it. > > Cheers, > Gregory > > > On Thu, 30 Jun 2005, Andy Hanushevsky wrote: > > > Hi Gregory, > > > > A simple gcore on the one you kept is sufficient. I see that you are running > > 20050328. I beielve we had some fixes in that area since that release. We are > > close to certifying a new production release that may very well be better to > > run overall. Anyway, if you can, put the gcore in afs along with the > > executable and shared library that you are using; thanks. > > > > Andy > > > > ----- Original Message ----- From: "Gregory Schott" <[log in to unmask]> > > To: "xrootd mailing list" <[log in to unmask]> > > Sent: Thursday, June 30, 2005 2:29 AM > > Subject: Manager appears to be dead > > > > > >> > >> Hello, > >> > >> Doing some checks on the NAS boxes at GridKa I noticed from the log files > >> that 3/7 file servers were stalled. I restarted 2 of these and kept one > >> stalled in case you want me to do some test. I appended below the logfiles > >> for the relevant period. After that time, the "Manager appears to be dead" > >> message continues till June 30th. > >> > >> I have another question: what is the status of xrd monitoring? Where can I > >> find documentation on how to use it and would it have detected that the > >> dataserver was stalled? > >> > >> -------- > >> > >> dataserver (f01-016-106): seems to be stalled since 25/06/2005, I kept the > >> served stalled in case xrd experts ask me for doing any test for > >> understanding this issue > >> > >> 050625 00:00:00 1124 olb_Config: (c) 2004 SLAC olbd version > >> 20050328-0656_dbg executing as Server > >> 050625 07:26:53 1130 olb_Manager: Manager l01-001-122.gridka.de appears to > >> be dead. > >> 050625 07:29:06 1130 olb_Manager: Manager appears to be dead. > >> > >> redirector l01-001-122.gridka.de: old log for this period (nothing in xrd > >> log): > >> > >> 050625 07:07:29 14906 olb_Server: f01-014-103.gridka.de:1094 load=0; cpu=0 > >> i/o=0 inq=0 mem=0 pag=0 dsk=0 tot=0 > >> 050625 07:27:30 14906 olb_Manager: f01-016-108.gridka.de:1094 scheduled for > >> removal; not responding > >> 050625 07:27:30 14906 olb_Manager: f01-014-107.gridka.de:1094 scheduled for > >> removal; not responding > >> 050625 07:27:30 14906 olb_Manager: f01-016-106.gridka.de:1094 scheduled for > >> removal; not responding > >> 050625 07:27:30 14906 olb_Manager: f01-014-106.gridka.de:1094 scheduled for > >> removal; not responding > >> 050625 07:37:30 14906 olb_Server: f01-016-108.gridka.de:1094 dropped. > >> 050625 07:37:30 14906 olb_Server: f01-014-107.gridka.de:1094 dropped. > >> 050625 07:37:30 14906 olb_Server: f01-016-106.gridka.de:1094 dropped. > >> 050625 07:37:30 14906 olb_Server: f01-014-106.gridka.de:1094 dropped. > >> 050625 07:56:30 14906 olb_GetLine: Unable to read request; connection timed > >> out > >> 050625 07:56:30 14906 olb_GetLine: Unable to read request; connection timed > >> out > >> 050625 07:56:30 14906 olb_GetLine: Unable to read request; connection timed > >> out > >> 050625 07:56:30 14906 olb_Manager: server f01-016-106.gridka.de:1094 forced > >> out. > >> 050625 07:56:30 14906 olb_Manager: server f01-014-107.gridka.de:1094 forced > >> out. > >> 050625 07:56:30 14906 olb_Manager: server f01-016-108.gridka.de:1094 forced > >> out. > >> 050625 07:56:39 14906 olb_GetLine: Unable to read request; connection timed > >> out > >> 050625 07:56:39 14906 olb_Manager: server f01-014-106.gridka.de:1094 forced > >> out. > >> 050625 08:57:30 14906 olb_Server: 10.65.5.115:1094 load=0; cpu=0 i/o=0 > >> inq=0 mem=0 pag=0 dsk=0 tot=0 > >> 050625 08:57:30 14906 olb_Server: f01-016-109.gridka.de:1094 load=0; cpu=0 > >> i/o=0 inq=0 mem=0 pag=0 dsk=0 tot=0 > >> > >> -------- > >> > >> Cheers, > >> Gregory > >> > > >