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02-09-2015 06:09 AM
02-09-2015 06:09 AM
TCPIP ifconfig results in an "exceeded byte count quota" message
4 node cluster, Itanium RX2800s all at OpenVMS 8-4, Update 7 TCPIP 5-7 ECO 3.
From the system accounr the command TCPIP IFCONFIG IE7 gives:
(CATA1)SYSTEM>TCPIP IFCONFIG IE7
IE7: flags=8000c43<UP,BROADCAST,RUNNING,MULTICAST,SIMPLEX,MULTINET>
%SYSTEM-F-EXBYTLM, exceeded byte count quota
The system uses quite a lot of network aliases and will fail from machine to machine depending on the number of aliaes in place on that machine. When the command starts failing the TCPIP$CONFIG command procedure will fail when trying to access the interface information.
I seem to recall a similar problem being listed but for the life of me can't remember the solution. I can easily up the byte count quota
(CATA1)SYSTEM>sho proc/quo
9-FEB-2015 14:06:38.63 User: SYSTEM Process ID: 202026D0
Node: CATA1 Process name: "_TNA6:"
Process Quotas:
Account name: SYSTEM
CPU limit: Infinite Direct I/O limit: 5000
Buffered I/O byte count quota: 199999808 Buffered I/O limit: 5000
Timer queue entry quota: 2000 Open file quota: 1000
Paging file quota: 705024096 Subprocess quota: 100
Default page fault cluster: 64 AST quota: 498
Enqueue quota: 4000 Shared file limit: 0
Max detached processes: 0 Max active jobs: 0
But I am more concerned that there is another problem lurking somewhere.
cheers
Brian
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02-12-2015 01:40 PM
02-12-2015 01:40 PM
Re: TCPIP ifconfig results in an "exceeded byte count quota" message
Brian,
It looks like you have plenty of BYTLM, but it's a somewhat strange quota, so it's worth investigating further. Look at all 3 values:
$ WRITE SYS$OUTPUT F$GETJPI("","ORG_BYTLM") ! This is your original allocation
$ WRITE SYS$OUTPUT F$GETJPI("","BYTLM") ! This is your remaining allocation after "permanent" allocations
$ WRITE SYS$OUTPUT F$GETJPI("","BYTCNT") ! This is what you have to play with
I can't remember which value SHOW PROCESS/QUOTA displays. Remember that you share the allocation with all processes in your job tree. That includes parent, sibling and child processes.
These days you can probably crank up the value (BYTLM in the UAF) a fair bit to see if that helps. It's probably also worth looking at the SYSGEN parameter DEFMBXBUFQUO (the default BYTLM allocated to a mailbox which doesn't specify a quota). If this is set too high, you can deplete your quota very quickly.
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02-13-2015 01:46 AM
02-13-2015 01:46 AM
Re: TCPIP ifconfig results in an "exceeded byte count quota" message
Hi John,
Well the results are:
(CATA1)SYSTEM>WRITE SYS$OUTPUT F$GETJPI("","ORG_BYTLM")
800000000
(CATA1)SYSTEM>WRITE SYS$OUTPUT F$GETJPI("","BYTLM")
799999808
(CATA1)SYSTEM>WRITE SYS$OUTPUT F$GETJPI("","BYTCNT")
799999808
(CATA1)SYSTEM>
At the moment its more an incovenience, but I'm worried that other issues may be lurking.
cheers
Brian
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02-13-2015 05:47 AM
02-13-2015 05:47 AM
Re: TCPIP ifconfig results in an "exceeded byte count quota" message
OK, so using a second terminal session to monitor the quotas etc. of the session issuing the "TCPIP ifconfig -a" command shows no real depletion of the available quotas, a couple of them dip and then recover, but nothing gets remotely near to zero.
Both the "ifconfig -a" and "ifconfig -v" commands return the exceeded byte count quota message. Other commands suach as netstat work as expected. Doing "mc tcpip$ifconfig -a" results in the same error.
The command works as expected on other nodes in the cluster work as expected, the difference being the number of aliases defined on the system.
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02-13-2015 05:54 AM
02-13-2015 05:54 AM
Re: TCPIP ifconfig results in an "exceeded byte count quota" message
Brian,
this is most likely a bug in the TCPIP software !
Consider to escalate this problem to HP.
You're not running the most recent available TCPIP V5.7 patch level, so expect to be asked to install ECO 5.
Volker.
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02-13-2015 05:57 AM
02-13-2015 05:57 AM
Re: TCPIP ifconfig results in an "exceeded byte count quota" message
Hi Volker,
Thanks for that. That was the conclusion I was coming to.
cheers
Brian
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02-13-2015 05:59 AM
02-13-2015 05:59 AM
Re: TCPIP ifconfig results in an "exceeded byte count quota" message
Brian,
how many aliases do you have defined ? Can you maybe reproduce this problem on some test system with the same or a similar amount of aliases ? Most not even be an I64 system, but should have similar TCPIP version.
Volker.
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02-13-2015 06:23 AM
02-13-2015 06:23 AM
Re: TCPIP ifconfig results in an "exceeded byte count quota" message
Hi Volker,
The error is caused at the creation of the 44th alias. Up to that point I can view them all. The aliases are split amoung the various pysical interfaces.
I'll have look and see if I can find another machine to experiment with.
cheers
Brian
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02-13-2015 06:37 AM
02-13-2015 06:37 AM
Re: TCPIP ifconfig results in an "exceeded byte count quota" message
Brian,
I did a simple test on an emulated OpenVMS Alpha V8.3 TCPIP V5.7 ECO 3 system:
CHAALP $ ifconfig se0 aliaslist 10.20.31.1-50/24 ! creating 50 aliases in one command
CHAALP $ ifconfig -a
LO0: flags=100c89<UP,LOOPBACK,NOARP,MULTICAST,SIMPLEX,NOCHECKSUM>
inet 127.0.0.1 netmask ff000000 ipmtu 4096
SE0: flags=8000c43<UP,BROADCAST,RUNNING,MULTICAST,SIMPLEX,MULTINET>
*inet 10.20.30.207 netmask ffffff00 broadcast 10.255.255.255 ipmtu 1500
inet 10.20.31.1 netmask ffffff00 broadcast 10.20.31.255 ipmtu 1500
inet 10.20.31.2 netmask ffffff00 broadcast 10.20.31.255 ipmtu 1500
...
inet 10.20.31.49 netmask ffffff00 broadcast 10.20.31.255 ipmtu 1500
inet 10.20.31.50 netmask ffffff00 broadcast 10.20.31.255 ipmtu 1500
TN0: flags=80<NOARP>
TN1: flags=80<NOARP>
CHAALP $ ifconfig se0 -aliaslist 10.20.31.1-50
So it does not seem to be the sheer NUMBER of aliases, it's more likely the no. of aliases distributed over multiple interfaces - but I only have one on this test system.
Volker.
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02-13-2015 07:02 AM
02-13-2015 07:02 AM
Re: TCPIP ifconfig results in an "exceeded byte count quota" message
Hi Volker,
Thanks for the help. I'll see about getting the issue passed onto HP.
cheers
Brian