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  1. #1
    Join Date
    Feb 2002
    Posts
    9

    Unanswered: Shared Memory Initialization error

    This is the situation:

    * I have an existing working Informix on an SCO OpenServer 5 on server A.
    * I have a spare server B and installed an SCO OpenServer 5 (identical to server A).
    * Since I don't have an Informix installation program, I backed up the entire Informix directory on server A and restored it on server B.
    * I created a user and group Informix on Server B w/c is again identical to server A including profile, home directory and ID etc.
    * I created a RAW device on server B w/c is also identical in size and name as server A.
    * I made the proper permissions on the RAW device w/c is 660 to user and group Informix.
    * Afterwhich, created the link at the path specified on the ONCONFIG file.
    * Edited the Unix kernel parameters: SHMMAX (409600000); SEMMNI (8192); SEMMNS (8192); SEMMAP (8192); SEMMNU (100).
    * Linked the kernel and reboot the machine.
    * Logged in as informix, and executed oninit -i.
    * Then I encountered this problem.

    "fatal error in shared memory initialization". And if I look at the online.log file, it states that "The chunk <path> must have owner-ID and group-ID set to Informix"

    THIS IS MY ONCONFIG FILE:

    #*************************************************
    *************************
    #
    # INFORMIX SOFTWARE, INC.
    #
    # Title: onconfig.std
    # Description: INFORMIX-OnLine Configuration Parameters
    #
    #*************************************************
    *************************

    # Root Dbspace Configuration

    ROOTNAME infdbspace1 # Root dbspace name
    ROOTPATH /proj/informix/dbspaces/infdbspace1
    # Path for device containing root dbspace
    ROOTOFFSET 0 # Offset of root dbspace into device (Kbytes)
    ROOTSIZE 900000 # 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 infdbspace1 # Location (dbspace) of physical log
    PHYSFILE 10000 # Physical log file size (Kbytes)

    # Logical Log Configuration

    LOGFILES 20 # Number of logical log files
    LOGSIZE 20000 # Logical log size (Kbytes)

    # Diagnostics

    MSGPATH /u/informix/online1.log # System message log file path
    CONSOLE /dev/null # System console message path
    ALARMPROGRAM /u/informix/log_full1.sh # Alarm program path

    # System Archive Tape Device

    TAPEDEV /dev/null # Tape device path
    TAPEBLK 16 # Tape block size (Kbytes)
    TAPESIZE 10240 # Maximum amount of data to put on tape (Kbytes)

    # Log Archive Tape Device

    LTAPEDEV /dev/null # Log tape device path
    LTAPEBLK 16 # Log tape block size (Kbytes)
    LTAPESIZE 10240 # Max amount of data to put on log tape (Kbytes)

    # Optical

    STAGEBLOB # INFORMIX-OnLine/Optical staging area

    # System Configuration

    SERVERNUM 0 # Unique id corresponding to a OnLine instance
    DBSERVERNAME mib1dbsvr1 # Name of default database server
    DBSERVERALIASES # List of alternate dbservernames
    NETTYPE ipcshm,,, # Configure poll thread(s) for nettype
    NETTYPE tlitcp,,, # Configure poll thread(s) for nettype
    DEADLOCK_TIMEOUT 60 # Max time to wait of lock in distributed env.
    RESIDENT 0 # Forced residency flag (Yes = 1, No = 0)

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

    NOAGE 0 # Process aging
    AFF_SPROC 0 # Affinity start processor
    AFF_NPROCS 0 # Affinity number of processors

    # Shared Memory Parameters

    LOCKS 2000 # Maximum number of locks
    BUFFERS 200 # Maximum number of shared buffers
    NUMAIOVPS # Number of IO vps
    PHYSBUFF 32 # Physical log buffer size (Kbytes)
    LOGBUFF 32 # Logical log buffer size (Kbytes)
    LOGSMAX 20 # Maximum number of logical log files
    CLEANERS 1 # Number of buffer cleaner processes
    SHMBASE 0x10000000 # Shared memory base address
    SHMVIRTSIZE 8000 # initial virtual shared memory segment size
    SHMADD 8192 # Size of new shared memory segments (Kbytes)
    SHMTOTAL 0 # Total shared memory (Kbytes). 0=>unlimited
    CKPTINTVL 300 # Check point interval (in sec)
    LRUS 8 # Number of LRU queues
    LRU_MAX_DIRTY 60 # LRU percent dirty begin cleaning limit
    LRU_MIN_DIRTY 50 # LRU percent dirty end cleaning limit
    LTXHWM 50 # Long transaction high water mark percentage
    LTXEHWM 60 # Long transaction high water mark (exclusive)
    TXTIMEOUT 0x12c # Transaction timeout (in sec)
    STACKSIZE 32 # Stack size (Kbytes)

    # 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 /u/informix/etc/dr.lostfound # DR lost+found file path

    # Backup/Restore variables
    BAR_ACT_LOG /tmp/bar_act.log
    BAR_MAX_BACKUP 0
    BAR_RETRY 1
    BAR_NB_XPORT_COUNT 10
    BAR_XFER_BUF_SIZE 31

    # 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 # 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 /tmp # Preserve diagnostics in this directory
    DUMPSHMEM 0 # 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
    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 2 # To hint the optimizer

    ONDBSPACEDOWN 2 # Dbspace down option: 0 = CONTINUE, 1 = ABORT, 2 = WAIT
    LBU_PRESERVE 0 # Preserve last log for log backup
    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

    SQLHOSTS file:

    mib1dbsvr2 ontlitcp mib1 mib1port2

    SERVICES file:

    mib1port2 2002/tcp

    Informix .profile:

    :
    # @(#) profile 26.1 95/09/18
    #
    # Copyright (C) 1989-1995 The Santa Cruz Operation, Inc.
    # All Rights Reserved.
    # The information in this file is provided for the exclusive use of
    # the licensees of The Santa Cruz Operation, Inc. Such users have the
    # right to use, modify, and incorporate this code into other products
    # for purposes authorized by the license agreement provided they include
    # this notice and the associated copyright notice with any such product.
    # The information in this file is provided "AS IS" without warranty.
    #
    # .profile -- Commands executed by a login Bourne shell
    #

    trap abort 2 15
    INFORMIXDIR="/proj/informix"
    EDITOR=vi

    PATH=.:$HOME/bin:/proj/informix:/proj/informix/bin:$PATH #set command search path
    CDPATH=.:$ATSLIB:$HOME/src:$HOME/src/work:$HOME/src/installed:$HOME/bin:


    PS1=$LOGNAME"@`uname -n`->>"
    MAIL=/usr/spool/mail/`logname` # mailbox location
    export PATH MAIL INFORMIXDIR CDPATH EDITOR EXINIT

    # use default system file creation mask

    #eval `tset -m ansi:${TERM:-ansi} -m :\?${TERM:-ansi} -r -s -Q`

    /usr/bin/prwarn # issue a warning if password due to expire

    setcolor -n lt_green


    clear
    INFORMIXSERVER=mib1dbsvr2
    ONCONFIG=onconfig.db2

    export INFORMIXSERVER ONCONFIG DBPRINT ATSINSTALLDIR EXINIT CDPATH

  2. #2
    Join Date
    Feb 2002
    Posts
    2,232
    Have you run ipcs ??? (Can you provide output of ipcs) If you run oninit -i will the same message appear in the online.log ("The chunk ...") and are there any other messages ? Are both machines configured exactly the same - including hardware (cpu/memory/disk) ?

  3. #3
    Join Date
    Feb 2002
    Posts
    9
    Both servers are identical coz they are the same model, HP LH PRO although they differ in the ff specs

    Server A has 4x4 GB Hard Disk RAID 5
    Server B has 3x9 GB Hard Disk RAID 5

    Server A has 256 MB memory
    Server B has 654 MB memory

    They are no other error message, but how can I produce ipc??

  4. #4
    Join Date
    Feb 2002
    Posts
    2,232
    Just ipcs. The hardware configuration for the servers you listed - Server A is the production server and Server B is the one you are having problems with - correct ? Can you show me the sqlhosts file from server A ?

  5. #5
    Join Date
    Feb 2002
    Posts
    9
    The informix files and informix configuration files plus the file and directory permissions are identical on both servers. The only difference is the hardware as i mentioned previously and the Unix OS which is fresh installed. But I edited the SERVICES files and the kernel parameters.

  6. #6
    Join Date
    Feb 2002
    Posts
    2,232
    Have you run ipcs ? Please provide output. Are the kernel parameters identical between server A and B ? Does the sqlhosts file on the live server have a shared memory entry ? Have you tried onmonitor ?

  7. #7
    Join Date
    Feb 2003
    Location
    NY
    Posts
    3

    Re: Shared Memory Initialization error

    Did you ever resolve this? I am expereincing the same problem.

    Howard
    htarlow@hotmail.com

    Originally posted by mvvilleza
    This is the situation:

    * I have an existing working Informix on an SCO OpenServer 5 on server A.
    * I have a spare server B and installed an SCO OpenServer 5 (identical to server A).
    * Since I don't have an Informix installation program, I backed up the entire Informix directory on server A and restored it on server B.
    * I created a user and group Informix on Server B w/c is again identical to server A including profile, home directory and ID etc.
    * I created a RAW device on server B w/c is also identical in size and name as server A.
    * I made the proper permissions on the RAW device w/c is 660 to user and group Informix.
    * Afterwhich, created the link at the path specified on the ONCONFIG file.
    * Edited the Unix kernel parameters: SHMMAX (409600000); SEMMNI (8192); SEMMNS (8192); SEMMAP (8192); SEMMNU (100).
    * Linked the kernel and reboot the machine.
    * Logged in as informix, and executed oninit -i.
    * Then I encountered this problem.

    "fatal error in shared memory initialization". And if I look at the online.log file, it states that "The chunk <path> must have owner-ID and group-ID set to Informix"

    THIS IS MY ONCONFIG FILE:

    #*************************************************
    *************************
    #
    # INFORMIX SOFTWARE, INC.
    #
    # Title: onconfig.std
    # Description: INFORMIX-OnLine Configuration Parameters
    #
    #*************************************************
    *************************

    # Root Dbspace Configuration

    ROOTNAME infdbspace1 # Root dbspace name
    ROOTPATH /proj/informix/dbspaces/infdbspace1
    # Path for device containing root dbspace
    ROOTOFFSET 0 # Offset of root dbspace into device (Kbytes)
    ROOTSIZE 900000 # 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 infdbspace1 # Location (dbspace) of physical log
    PHYSFILE 10000 # Physical log file size (Kbytes)

    # Logical Log Configuration

    LOGFILES 20 # Number of logical log files
    LOGSIZE 20000 # Logical log size (Kbytes)

    # Diagnostics

    MSGPATH /u/informix/online1.log # System message log file path
    CONSOLE /dev/null # System console message path
    ALARMPROGRAM /u/informix/log_full1.sh # Alarm program path

    # System Archive Tape Device

    TAPEDEV /dev/null # Tape device path
    TAPEBLK 16 # Tape block size (Kbytes)
    TAPESIZE 10240 # Maximum amount of data to put on tape (Kbytes)

    # Log Archive Tape Device

    LTAPEDEV /dev/null # Log tape device path
    LTAPEBLK 16 # Log tape block size (Kbytes)
    LTAPESIZE 10240 # Max amount of data to put on log tape (Kbytes)

    # Optical

    STAGEBLOB # INFORMIX-OnLine/Optical staging area

    # System Configuration

    SERVERNUM 0 # Unique id corresponding to a OnLine instance
    DBSERVERNAME mib1dbsvr1 # Name of default database server
    DBSERVERALIASES # List of alternate dbservernames
    NETTYPE ipcshm,,, # Configure poll thread(s) for nettype
    NETTYPE tlitcp,,, # Configure poll thread(s) for nettype
    DEADLOCK_TIMEOUT 60 # Max time to wait of lock in distributed env.
    RESIDENT 0 # Forced residency flag (Yes = 1, No = 0)

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

    NOAGE 0 # Process aging
    AFF_SPROC 0 # Affinity start processor
    AFF_NPROCS 0 # Affinity number of processors

    # Shared Memory Parameters

    LOCKS 2000 # Maximum number of locks
    BUFFERS 200 # Maximum number of shared buffers
    NUMAIOVPS # Number of IO vps
    PHYSBUFF 32 # Physical log buffer size (Kbytes)
    LOGBUFF 32 # Logical log buffer size (Kbytes)
    LOGSMAX 20 # Maximum number of logical log files
    CLEANERS 1 # Number of buffer cleaner processes
    SHMBASE 0x10000000 # Shared memory base address
    SHMVIRTSIZE 8000 # initial virtual shared memory segment size
    SHMADD 8192 # Size of new shared memory segments (Kbytes)
    SHMTOTAL 0 # Total shared memory (Kbytes). 0=>unlimited
    CKPTINTVL 300 # Check point interval (in sec)
    LRUS 8 # Number of LRU queues
    LRU_MAX_DIRTY 60 # LRU percent dirty begin cleaning limit
    LRU_MIN_DIRTY 50 # LRU percent dirty end cleaning limit
    LTXHWM 50 # Long transaction high water mark percentage
    LTXEHWM 60 # Long transaction high water mark (exclusive)
    TXTIMEOUT 0x12c # Transaction timeout (in sec)
    STACKSIZE 32 # Stack size (Kbytes)

    # 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 /u/informix/etc/dr.lostfound # DR lost+found file path

    # Backup/Restore variables
    BAR_ACT_LOG /tmp/bar_act.log
    BAR_MAX_BACKUP 0
    BAR_RETRY 1
    BAR_NB_XPORT_COUNT 10
    BAR_XFER_BUF_SIZE 31

    # 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 # 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 /tmp # Preserve diagnostics in this directory
    DUMPSHMEM 0 # 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
    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 2 # To hint the optimizer

    ONDBSPACEDOWN 2 # Dbspace down option: 0 = CONTINUE, 1 = ABORT, 2 = WAIT
    LBU_PRESERVE 0 # Preserve last log for log backup
    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

    SQLHOSTS file:

    mib1dbsvr2 ontlitcp mib1 mib1port2

    SERVICES file:

    mib1port2 2002/tcp

    Informix .profile:

    :
    # @(#) profile 26.1 95/09/18
    #
    # Copyright (C) 1989-1995 The Santa Cruz Operation, Inc.
    # All Rights Reserved.
    # The information in this file is provided for the exclusive use of
    # the licensees of The Santa Cruz Operation, Inc. Such users have the
    # right to use, modify, and incorporate this code into other products
    # for purposes authorized by the license agreement provided they include
    # this notice and the associated copyright notice with any such product.
    # The information in this file is provided "AS IS" without warranty.
    #
    # .profile -- Commands executed by a login Bourne shell
    #

    trap abort 2 15
    INFORMIXDIR="/proj/informix"
    EDITOR=vi

    PATH=.:$HOME/bin:/proj/informix:/proj/informix/bin:$PATH #set command search path
    CDPATH=.:$ATSLIB:$HOME/src:$HOME/src/work:$HOME/src/installed:$HOME/bin:


    PS1=$LOGNAME"@`uname -n`->>"
    MAIL=/usr/spool/mail/`logname` # mailbox location
    export PATH MAIL INFORMIXDIR CDPATH EDITOR EXINIT

    # use default system file creation mask

    #eval `tset -m ansi:${TERM:-ansi} -m :\?${TERM:-ansi} -r -s -Q`

    /usr/bin/prwarn # issue a warning if password due to expire

    setcolor -n lt_green


    clear
    INFORMIXSERVER=mib1dbsvr2
    ONCONFIG=onconfig.db2

    export INFORMIXSERVER ONCONFIG DBPRINT ATSINSTALLDIR EXINIT CDPATH

  8. #8
    Join Date
    Jul 2003
    Location
    Munich
    Posts
    26
    It is important that after a manual copy set the owner and grup right for oninit

    eg.
    -rwsr-sr-- 1 root informix 10254130 Jul 10 17:44 /usr/informix/bin/oninit

    Also check you ROOT device is should have the right 660
    and owner and group informix !!!

  9. #9
    Join Date
    Jul 2003
    Location
    Beijing China
    Posts
    36
    services port between 5000 and 19999
    MSN:jianghua1213@hotmail.com
    Beijing China
    http://www.91talk.net
    http://www.91talk.com

  10. #10
    Join Date
    Aug 2003
    Location
    Thailand
    Posts
    1

    Lightbulb Re: Shared Memory Initialization error

    [QUOTE][SIZE=1]Originally posted by mvvilleza
    This is the situation:

    * I have an existing working Informix on an SCO OpenServer 5 on server A.
    * I have a spare server B and installed an SCO OpenServer 5 (identical to server A).
    * Since I don't have an Informix installation program, I backed up the entire Informix directory on server A and restored it on server B.
    * I created a user and group Informix on Server B w/c is again identical to server A including profile, home directory and ID etc.
    * I created a RAW device on server B w/c is also identical in size and name as server A.
    * I made the proper permissions on the RAW device w/c is 660 to user and group Informix.
    * Afterwhich, created the link at the path specified on the ONCONFIG file.
    * Edited the Unix kernel parameters: SHMMAX (409600000); SEMMNI (8192); SEMMNS (8192); SEMMAP (8192); SEMMNU (100).
    * Linked the kernel and reboot the machine.
    * Logged in as informix, and executed oninit -i.
    * Then I encountered this problem.

    "fatal error in shared memory initialization". And if I look at the online.log file, it states that "The chunk <path> must have owner-ID and group-ID set to Informix"

    =====================================
    Plase check sqlhosts file $INFORMIXDIR/etc/sqlhosts

    examples: (note : SERVER_NAME is host name )



    db01 ontlitcp SERVER_NAME sqlexec
    aliasdb01 onipcshm SERVER_NAME sqltcp

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