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informix装配指南

更新时间: 2014-01-05 02:19:52 责任编辑: Author_N1

 

Informix安装指南
Informix安装指南
1、 使用一个其他用户登陆后,切换到root用户(root用户无法直接登陆);
2、 创建Informix用户组;
groupadd informix
3、 创建Informix用户,并是其归属informix用户组;
useradd –g informix informix
4、 创建目录/opt/informix,将目录的属主和所属组都改为Informix;
mkdir /opt/informix
chown informix:informix /opt/informix
5、 配置/opt/informix/.cshrc文件,至少包括一下几行:
setenv INFORMIXDIR /opt/informix
setenv INFORMIXSERVER sct_net
setenv ONCONFIG onconfig
setenv PATH ${PATH}:${INFORMIXDIR}/bin:/opt/langtools/bin
6、 打开文件/etc/passwd,将informix用户的登陆路径改为/opt/informix,将Shell改为/bin/csh,保存退出;
7、 将安装包ids.7.31.UD6W5.SOL-26.tar复制到/opt/informix目录下,解包安装;
tar –xvf ids.7.31.UD6W5.SOL-26.tar
./installserver
按照提示输入SER:AAC#J794613 KEY: NNXSKP。
8、 保证root用户的/.profile文件中至少包括一下几行:
INFORMIXDIR=/opt/informix
export INFORMIXDIR
INFORMIXSERVER=sct
export INFORMIXSERVER
ONCONFIG=onconfig
export ONCONFIG
如果没有,添加上重新登陆使之生效。
9、 配置/etc/system文件,修改之前注意备份原有文件为system.bak,以防不测;
配置内容如下(这是一个system文件的副本,其中省略了注释):
set shmsys:shminfo_shmmax=1073741824
set tune_t_gpgslo=250
set tune_t_minarmem=100
set tune_t_minasmem=250
set msgsys:msginfo_msgmap=256
set msgsys:msginfo_msgmni=100
set msgsys:msginfo_msgtql=80
set msgsys:msginfo_msgseg=3333
set msgsys:msginfo_msgmnb=65535
set shmsys:shminfo_shmmax=436870912
set shmsys:shminfo_shmseg=512
set semsys:seminfo_semmap=512
set semsys:seminfo_semmni=1000
set semsys:seminfo_semmns=4000
set semsys:seminfo_semmnu=800
set semsys:seminfo_semmsl=512
set semsys:seminfo_semume=100
set pln:pln_enable_detach_suspend=1
set soc:soc_enable_detach_suspend=1
set noexec_user_stack=1
set noexec_user_log=1
set shmsys:shminfo_shmmni = 0x1000
10、 配置/opt/informix/etc/sqlhosts文件,包括如下内容(注释省略):
sct     onipcshm        sct     sqlexec
sct_net ontlitcp        sct     sqlexec_net
第一项:DBS名称,;
第二项:使用网络协议名称;
第三项:主机名称;
第四项:服务名称;
注意:保证DBS名称不要与其他发生重复。
11、 配置/etc/services文件,在最后两行添加如下内容:
sqlexec         9001/tcp
sqlexec_net     9002/tcp
第一项:服务名称,与/opt/informix/etc/sqlhosts中的服务名称对应;
第二项:端口号;
第三项:协议类型;
注意:保证服务名称不要与其他发生重复。
12、 创建目录/opt/informix/dbs,并将其属主和所属组设置为informix
cd /opt/informix
mkdir dbs
chown informix:informix dbs
13、 创建文件/opt/informix/rootdbs.dat,并将其属主和所属组设置为informix,而且所有人都要有读写权限。
cd /opt/informix/dbs
touch rootdbs.dat
chown informix:informix rootdbs.dat
chmod 666 rootdbs.dat
14、 运行/opt/informix/bin/onmonitor配置数据库参数,也可以使用vi直接修改配置文件/opt/informix/etc/onconfig。需要配置的内容如下红色字体所示:
# Root Dbspace Configuration
ROOTNAME        rootdbs         # Root dbspace name
ROOTPATH        /opt/informix/dbs/rootdbs.dat
                                # Path for device containing root dbspace
ROOTOFFSET      0               # Offset of root dbspace into device (Kbytes)
ROOTSIZE        200000          # 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        100000          # Physical log file size (Kbytes)

# Logical Log Configuration

LOGFILES        3               # Number of logical log files
LOGSIZE         20000           # Logical log size (Kbytes)

# Diagnostics

MSGPATH         /opt/informix/online.log # System message log file path
CONSOLE         /dev/console    # System console message path
ALARMPROGRAM    /opt/informix/etc/log_full.sh # Alarm program path
SYSALARMPROGRAM /opt/informix/etc/evidence.sh # System Alarm program path
TBLSPACE_STATS  1              

# 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 Dynamic Server/Optical staging area

# System Configuration

SERVERNUM       1               # Unique id corresponding to a Dynamic Server instance
DBSERVERNAME    sct             # Name of default database server
DBSERVERALIASES sct_net         # 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           5000            # Maximum number of locks
BUFFERS         10000           # 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         9               # Maximum number of logical log files
CLEANERS        1               # Number of buffer cleaner processes
SHMBASE         0x1000000       # Shared memory base address
SHMVIRTSIZE     8000            # initial virtual shared memory segment size
SHMADD          8192            # Size of new shared memory segments (Kbytes)
SHMTOTAL        400000          # 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 - Dynamic Server no longer supports this configuration parameter.
#            To determine the page size used by Dynamic Server 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/lost+found # DR lost+found file path

# CDR Variables
CDR_LOGBUFFERS  2048            # size of log reading buffer pool (Kbytes)
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_LOGDELTA    30              # % of log space allowed in queue memory
CDR_NUMCONNECT  16              # Expected connections per server
CDR_NIFRETRY    300             # Connection retry (seconds)
CDR_NIFCOMPRESS 0               # Link level compression (-1 never, 0 none, 9 max)

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

# Informix Storage Manager variables
ISM_DATA_POOL   ISMData         # If the data pool name is changed, be sure to
# update $INFORMIXDIR/bin/onbar.  Change to
# ism_catalog -create_bootstrap -pool <new name>
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:
# Dynamic Server equivalent of DBTEMP for SE. This is the list of dbspaces
# that the Dynamic Server SQL Engine will use to create temp tables etc.
# If specified it must be a colon separated list of dbspaces that exist
# when the Dynamic Server 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 Dynamic Server operations.
# For DUMPSHMEM, DUMPGCORE and DUMPCORE 1 means Yes, 0 means No.

DUMPDIR         /tmp            # 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 Dynamic Server)
DUMPCNT         1               # Number of shared memory or gcore dumps for
# a single user's session

FILLFACTOR      90              # Fill factor for building indexes

# method for Dynamic Server 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              

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

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

# Status of restartable restore
RESTARTABLE_RESTORE on             
NETTYPE         tlitcp,2,20,NET # Configure poll thread(s) for nettype
NETTYPE         ipcshm,2,20,CPU # Configure poll thread(s) for nettype

15、 初始化数据库系统;
cd /opt/informix/bin
./oninit –i
16、 重启数据数据系统;
cd /opt/informix/bin
./oninit –ky
./oninit
17、 ok,安装完毕。
18、 使用dbaccess登陆,即可使用。
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