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IDS Forum

RE: -25588 error after CPU & fiber channel failure

Posted By: John Adamski
Date: Tuesday, 20 January 2009, at 4:08 p.m.

In Response To: -25588 error after CPU & fiber channel failure (John Adamski)

More information on our setup. If anyone has an idea of what to look at or try let me know. Otherwise the only thing left I haven't tried is whipping the server and start fresh.

kernel parameters

semaem Static 16384 16384 16384 -
semmni Static 16384 16384 2048 0.3%
semmns Static 32767 32767 4096 4.6%
semmnu Static 2000 2000 256 -
semmsl Dynamic 2048 2048 2048 -
semume Static 100 100 100 -
semvmx Static 32767 32767 32767 -
shmmax Dynamic 1073741824 1073741824 1073741824 50.0
shmmni Dynamic 400 400 400 3.2%
shmseg Dynamic 300 300 300 -

Environmental variables

INFORMIXDIR=/opt/informix
ONCONFIG=onconf.cars
INFORMIXSERVER=zoom

our onconf file

#**************************************************************************
#
# Licensed Material - Property Of IBM
#
# "Restricted Materials of IBM"
#
# IBM Informix Dynamic Server
# (c) Copyright IBM Corporation 1996, 2005 All rights reserved.
#
# Title: onconfig.std
# Description: IBM Informix Dynamic Server Configuration Parameters
#
#**************************************************************************

# Root Dbspace Configuration

ROOTNAME root # Root dbspace name
ROOTPATH /opt/informix/dev/root.1

# Path for device containing root dbspace
ROOTOFFSET 0 # Offset of root dbspace into device (Kbytes)
ROOTSIZE 2048000 # Size of root dbspace (Kbytes)

# Disk Mirroring Configuration Parameters

MIRROR 0 # Mirroring flag (Yes = 1, No = 0)
MIRRORPATH

# Path for device containing mirrored root
MIRROROFFSET 0 # Offset into mirrored device (Kbytes)

# Physical Log Configuration

PHYSDBS physlog_dbs # Location (dbspace) of physical log
PHYSFILE 135138 # Physical log file size (Kbytes)
#PHYSFILE 1459214 # used root and this number for oninit -ivy

# Logical Log Configuration

LOGFILES 50 # Number of logical log files
LOGSIZE 8192 # Logical log size (Kbytes)
LOG_BACKUP_MODE MANUAL # Logical log backup mode (MANUAL, CONT)

# Security
# DBCREATE_PERMISSION:
# By default any user can create a database. Uncomment DBCREATE_PERMISSON to
# limit database creation to a specific user. Add a new DBCREATE_PERMISSION
# line for each permitted user.
DBCREATE_PERMISSION informix
DBCREATE_PERMISSION root

# IFX_EXTEND_ROLE:
# 0 => Disable use of EXTEND role to control who can register
# external routines. This is the default behaviour.
# 1 => Enable use of EXTEND role to control who can register
# external routines.

IFX_EXTEND_ROLE 1 # To control the usage of EXTEND role.

# Tablespace Tablespace Configuration in Root Dbspace

TBLTBLFIRST 0 # First extent size (Kbytes) (0 = default)
TBLTBLNEXT 0 # Next extent size (Kbytes) (0 = default)

# Diagnostics

MSGPATH /opt/informix/Logs/cars.log # System message log file path
CONSOLE /dev/console # System console message path

# To automatically backup logical logs, edit alarmprogram.sh and set
# BACKUPLOGS=Y
ALARMPROGRAM /opt/informix/etc/log_full.sh # Alarm program path
ALRM_ALL_EVENTS 0 # Triggers ALARMPROGRAM for any event occur
TBLSPACE_STATS 1 # Maintain tblspace statistics

# System Archive Tape Device

TAPEDEV /dev/null #rmt/c16t0d1BEST # Tape device path
TAPEBLK 32 # Tape block size (Kbytes)
TAPESIZE 0 # Maximum amount of data to put on tape (Kbytes)

# Log Archive Tape Device

LTAPEDEV /opt/informix/tlog/current_trans_log # Log tape device path
LTAPEBLK 32 # Log tape block size (Kbytes)
LTAPESIZE 0 # Max amount of data to put on log tape (Kbytes)

# Optical

STAGEBLOB # Informix Dynamic Server staging area

# System Configuration

SERVERNUM 0 # Unique id corresponding to a OnLine instance
DBSERVERNAME zoom # Name of default database server
DBSERVERALIASES carsitcp # List of alternate dbservernames
NETTYPE ipcshm,3,400,CPU # Configure poll thread(s) for nettype
NETTYPE soctcp,5,100,NET # Configure poll thread(s) for nettype
DEADLOCK_TIMEOUT 60 # Max time to wait of lock in distributed env.

# added 07/01/08
DEF_TABLE_LOCKMODE ROW
#

MULTIPROCESSOR 1 # 0 for single-processor, 1 for multi-processor
SINGLE_CPU_VP 0 # If non-zero, limit number of cpu vps to one

# Shared Memory Parameters
BUFFERPOOL size=2K,buffers=200000,lrus=127,lru_min_dirty=2.000000,lru_max_dirty=4.000000

LOCKS 700000 # Maximum number of locks
PHYSBUFF 32 # Physical log buffer size (Kbytes)
LOGBUFF 32 # Logical log buffer size (Kbytes)
CLEANERS 127 # Number of buffer cleaner processes
SHMBASE 0x0L # Shared memory base address
SHMVIRTSIZE 524304 # initial virtual shared memory segment size
SHMADD 32768 # Size of new shared memory segments (Kbytes)
SHMTOTAL 0 # Total shared memory (Kbytes). 0=>unlimited
CKPTINTVL 900 # Check point interval (in sec)
TXTIMEOUT 0x12c # Transaction timeout (in sec)
STACKSIZE 128 # Stack size (Kbytes)

# Dynamic Logging
# DYNAMIC_LOGS:
# 2 : server automatically add a new logical log when necessary. (ON)
# 1 : notify DBA to add new logical logs when necessary. (ON)
# 0 : cannot add logical log on the fly. (OFF)
#
# When dynamic logging is on, we can have higher values for LTXHWM/LTXEHWM,
# because the server can add new logical logs during long transaction rollback.
# However, to limit the number of new logical logs being added, LTXHWM/LTXEHWM
# can be set to smaller values.
#
# If dynamic logging is off, LTXHWM/LTXEHWM need to be set to smaller values
# to avoid long transaction rollback hanging the server due to lack of logical
# log space, i.e. 50/60 or lower.
#
# In case of system configured with CDR, the difference between LTXHWM and
# LTXEHWM should be atleast 30% so that we could minimize log overrun issue.

DYNAMIC_LOGS 0
LTXHWM 50
LTXEHWM 60

# System Page Size
# BUFFSIZE - OnLine no longer supports this configuration parameter.
# To determine the page size used by OnLine on your platform
# see the last line of output from the command, 'onstat -b'.

# Recovery Variables
# OFF_RECVRY_THREADS:
# Number of parallel worker threads during fast recovery or an offline restore.
# ON_RECVRY_THREADS:
# Number of parallel worker threads during an online restore.

OFF_RECVRY_THREADS 10 # Default number of offline worker threads
ON_RECVRY_THREADS 1 # Default number of online worker threads

# Data Replication Variables
# DRAUTO: 0 manual, 1 retain type, 2 reverse type
DRAUTO 0 # DR automatic switchover
DRINTERVAL 30 # DR max time between DR buffer flushes (in sec)
DRTIMEOUT 30 # DR network timeout (in sec)
DRLOSTFOUND /opt/informix/etc/dr.lostfound # DR lost+found file path
DRIDXAUTO 0 # DR automatic index repair. 0=off, 1=on

# CDR Variables
CDR_EVALTHREADS 1,2 # evaluator threads (per-cpu-vp,additional)
CDR_DSLOCKWAIT 5 # DS lockwait timeout (seconds)
CDR_QUEUEMEM 4096 # Maximum amount of memory for any CDR queue (Kbytes)
CDR_NIFCOMPRESS 0 # Link level compression (-1 never, 0 none, 9 max)
CDR_SERIAL 0,0 # Serial Column Sequence
CDR_DBSPACE # dbspace for syscdr database
CDR_QHDR_DBSPACE # CDR queue dbspace (default same as catalog)
CDR_QDATA_SBSPACE # List of CDR queue smart blob spaces

# CDR_MAX_DYNAMIC_LOGS
# -1 => unlimited
# 0 => disable dynamic log addition
# >0 => limit the no. of dynamic log additions with the specified value.
# Max dynamic log requests that CDR can make within one server session.

CDR_MAX_DYNAMIC_LOGS 0 # Dynamic log addition disabled by default

# Backup/Restore variables
BAR_ACT_LOG /tmp/bar_act.log # ON-Bar Log file - not in /tmp please
BAR_DEBUG_LOG /opt/informix/Logs/bar_dbug.log

# ON-Bar Debug Log - not in /tmp please
BAR_MAX_BACKUP 0
BAR_RETRY 1
BAR_NB_XPORT_COUNT 10
BAR_XFER_BUF_SIZE 31
RESTARTABLE_RESTORE off
BAR_PROGRESS_FREQ 0

# Informix Storage Manager variables
ISM_DATA_POOL ISMData
ISM_LOG_POOL ISMLogs

# Read Ahead Variables
RA_PAGES # Number of pages to attempt to read ahead
RA_THRESHOLD # Number of pages left before next group

# DBSPACETEMP:
# OnLine equivalent of DBTEMP for SE. This is the list of dbspaces
# that the OnLine SQL Engine will use to create temp tables etc.
# If specified it must be a colon separated list of dbspaces that exist
# when the OnLine system is brought online. If not specified, or if
# all dbspaces specified are invalid, various ad hoc queries will create
# temporary files in /tmp instead.

DBSPACETEMP temp0,temp1,temp2 # Default temp dbspaces

# DUMP*:
# The following parameters control the type of diagnostics information which
# is preserved when an unanticipated error condition (assertion failure) occurs
# during OnLine operations.
# For DUMPSHMEM, DUMPGCORE and DUMPCORE 1 means Yes, 0 means No.

DUMPDIR /var/adm/crash # Preserve diagnostics in this directory
DUMPSHMEM 1 # Dump a copy of shared memory
DUMPGCORE 0 # Dump a core image using 'gcore'
DUMPCORE 0 # Dump a core image (Warning:this aborts OnLine)
DUMPCNT 1 # Number of shared memory or gcore dumps for

# a single user's session

FILLFACTOR 90 # Fill factor for building indexes

# method for OnLine to use when determining current time
USEOSTIME 0 # 0: use internal time(fast), 1: get time from OS(slow)

# Parallel Database Queries (pdq)
MAX_PDQPRIORITY 100 # Maximum allowed pdqpriority
DS_MAX_QUERIES # Maximum number of decision support queries
DS_TOTAL_MEMORY # Decision support memory (Kbytes)
DS_MAX_SCANS 1048576 # Maximum number of decision support scans
DS_NONPDQ_QUERY_MEM 128 # Non PDQ query memory (Kbytes)
DATASKIP off # List of dbspaces to skip

# OPTCOMPIND
# 0 => Nested loop joins will be preferred (where
# possible) over sortmerge joins and hash joins.
# 1 => If the transaction isolation mode is not
# "repeatable read", optimizer behaves as in (2)
# below. Otherwise it behaves as in (0) above.
# 2 => Use costs regardless of the transaction isolation
# mode. Nested loop joins are not necessarily
# preferred. Optimizer bases its decision purely
# on costs.
OPTCOMPIND 0 # To hint the optimizer

DIRECTIVES 1 # Optimizer DIRECTIVES ON (1/Default) or OFF (0)

ONDBSPACEDOWN 0 # Dbspace down option: 0 = CONTINUE, 1 = ABORT, 2 = WAIT
OPCACHEMAX 0 # Maximum optical cache size (Kbytes)

# HETERO_COMMIT (Gateway participation in distributed transactions)
# 1 => Heterogeneous Commit is enabled
# 0 (or any other value) => Heterogeneous Commit is disabled
HETERO_COMMIT 0

SBSPACENAME # Default smartblob space name - this is where blobs

# go if no sbspace is specified when the smartblob is

# created. It is also used by some datablades as

# the location to put their smartblobs.
SYSSBSPACENAME # Default smartblob space for use by the Informix

# Server. This is used primarily for Informix Server

# system statistics collection.

BLOCKTIMEOUT 3600 # Default timeout for system block
SYSALARMPROGRAM /opt/informix/etc/evidence.sh # System Alarm program path

# Optimization goal: -1 = ALL_ROWS(Default), 0 = FIRST_ROWS
OPT_GOAL -1

ALLOW_NEWLINE 0 # embedded newlines(Yes = 1, No = 0 or anything but 1)

#
# The following are default settings for enabling Java in the database.
# Replace all occurrences of /usr/informix with the value of /opt/informix.

JVPJAVAHOME /opt/informix/extend/krakatoa/jre

# JRE installation root directory
JVPHOME /opt/informix/extend/krakatoa # Krakatoa installation directory

JVPPROPFILE /opt/informix/extend/krakatoa/.jvpprops # JVP property file
JVPLOGFILE /opt/informix/Logs/jvp.log # JVP log file.

JDKVERSION 1.3 # JDK version supported by this server

# The path to the JRE libraries relative to JVPJAVAHOME
JVPJAVALIB /lib/PA_RISC

# The JRE libraries to use for the Java VM

JVPJAVAVM hpi:server:java:net:zip:jpeg

# use JVPARGS to change Java VM configuration
#To display jni call
#JVPARGS -verbose:jni

# Classpath to use upon Java VM start-up (use _g version for debugging)

#JVPCLASSPATH /opt/informix/extend/krakatoa/krakatoa_g.jar:/opt/informix/extend/krakatoa/jdbc_g.jar
JVPCLASSPATH /opt/informix/extend/krakatoa/krakatoa.jar:/opt/informix/extend/krakatoa/jdbc.jar
RESIDENT 0 # Forced residency flag (Yes = 1, No = 0)
EXTSHMADD 8192 # Size of new extension shared memory segments (Kbytes)
ONLIDX_MAXMEM 5120 # Per pool per index (Kbytes)
LISTEN_TIMEOUT 10 # Timeout (in Seconds)
IFX_FOLDVIEW 0 # fold multiple tables or union all view with ansi joins
NUMCPUVPS 1 # Number of user (cpu) vps
NOAGE 0 # Process aging
AFF_SPROC 0 # Affinity start processor
AFF_NPROCS 0 # Affinity number of processors
NUMAIOVPS # Number of IO vps

-----Original Message-----
From: ids-bounces@iiug.org [mailto:ids-bounces@iiug.org] On Behalf Of John Adamski
Sent: Tuesday, January 20, 2009 8:51 AM
To: ids@iiug.org
Subject: -25588 error after CPU & fiber channel failure [14580]

HPUX B.11.23 on HP BL870c running IDS 10.00 FC5. This is the replacement
server for our current product rp7410 server. So, it's not in production yet.

We had a CPU fail and one of our 4 fiber channel paths fail to the SAN that
holds the chunks for our IDS database and ever since getting these fixed I'm
getting the following error when run one of our 3rd-party apps. Technically
the FC didn't fail but somehow when the CPU was swapped one of the FC paths
changed. HP can't explain why but c13t0d1 became c15t0d1 and the /etc/lvmtab
needed updating to reflect the change.

The appl process cannot connect to the database server zoom.
See error number -25588.
Database cars not found or not correct format

Before these failures the app I'm getting the error on did work.

I have done the following:

- checked onconf, sqlhosts to make sure they didn't somehow change
- bounced the IDS engine
- rebooted the server
- checked dbaccess & isql and other Informix apps to see if can get to the
database - all work fine.
- I checked all kernel parameters to make sure nothing got changed somehow
when the CPU was swapped (checked against the production server). All look ok.
I checked this as the error does have a note about possible shared memory
kernel parameter mis-configurations.
- a bit drastic but I did a oninit -ivy and redid the dbimports of the
databases. Dbaccess/isql works but the app still doesn't.

I wasted about two days trying to resolve this, what am I missing?

John

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