Re: Trouble connecting to DB using TCP
Posted in 1997
Topics: Storage & Space Management, Server Administration, Transactions, Locking & Isolation, Logging & Checkpoints, Networking & sqlhosts Configuration, Java & JDBC Development
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Art S. Kagel wrote:
>
> Michael L. Gallagher wrote:
> >
> > Hello all:
> > I've finally gotten my database working...albiet using a shared
> memory
> > connection. What I would like to do is have a TCP connection set up
> (in
> > case the server ever moves onto a machine of it's own). I've
> checked
> > all the configuration files (/etc/services /etc/system sqlhosts.ifmx
> > config.ifmx), but oninit still complains that it can't find my
> service
> > listing in /etc/services. My plaform is UNIX (Solaris 2.5.1) and we
> are
> > running an NIS+ environment. Anyone have any experience with this?
> I'm
> > getting a little tired of being asked the same questions over and
> over
> > again by Informix tech support.
>
> This stuff works. Email me or post your sqlhosts, ONCONFIG(TBCONFIG)
> file, and the relevent section of /etc/services. I'll try to help.
> BTW what version of Informix?
>
> Some hints to try first:
>
> 1) 5.x needs an sqlexecd process running with the service name passed
> to
> it on the command line. This is the network listener.
> 2) 7.x needs you to use a separate servername for each interface and
> to
> include the alias servernames in the ONCONFIG file in the
> DBSERVERALIASES> line. Then the engine must be shutdown and restarted to recognize the
> new services and start up listeners for them.
>
> Art S. Kagel
I'll give you a little more background on what I'm trying to do. I'm
using Informix Online Workgroup Server 7.2.2 to try to connect to
Netscape Enterprise Server 3.0 using LiveWire 3.0 (javascript extensions
for database connectivity). Attached are my onconfig.ifmx,
sqlhosts.ifmx, and my /etc/services files (the TCP connection I was
using is commented out). Thanks a lot.
--
--------------------------------------------------------
Michael L. Gallagher <mgallagh@motown.lmco.com>
Associate Engineer
Lockheed Martin Government Electronic Systems
Moorestown, NJ (609) 722-3279
"Duct tape is like the Force...It has a light side and a
dark side and it binds the universe together."
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#**************************************************************************
#
# INFORMIX SOFTWARE, INC.
#
# Title: onconfig.std
# Description: INFORMIX-OnLine Configuration Parameters
#
#**************************************************************************
# Root Dbspace Configuration
ROOTNAME rootdbs # Root dbspace nameROOTPATH /home/ashlea/informix/dbspace/rootdbs
# Path for device containing root dbspace
ROOTOFFSET 0 # Offset of root dbspace into device (Kbytes)
ROOTSIZE 20000 # 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 rootdbs # Location (dbspace) of physical log
PHYSFILE 1000 # Physical log file size (Kbytes)
# Logical Log Configuration
LOGFILES 6 # Number of logical log files
LOGSIZE 500 # Logical log size (Kbytes)
# Diagnostics
MSGPATH /home/ashlea/informix/online.log # System message log file path
CONSOLE /dev/null # System null message pathALARMPROGRAM /usr/informix/log_full.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 14 # Unique id corresponding to a OnLine instance
DBSERVERNAME ifmx_online # Name of default database server
DBSERVERALIASES # List of alternate dbservernames
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 6 # Maximum number of logical log files
CLEANERS 1 # Number of buffer cleaner processes
SHMBASE 0xa000000 # 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
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