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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
>> 
>