……（交流）INFORMIX的推荐IDS_7.3文档翻译……
我只弄了前边的核心参数的部分，有兴趣的兄弟把他补齐吧……我这里的问题我标出来了
大家帮忙解释一下
E文太烂，大家原谅
=================================
MACHINE SPECIFIC NOTES
FOR
Informix Dynamic Server 7.31.UC2 PRODUCT RELEASE
DATE: 18 May 1999
=================================
PORT NUMBER: 025581 (8MM CASSETTE) 025585 (DAT CARTRIDGE) 025577 (TAPE CARTRIDGE) 025589 (CD ROM)
IRIS JOB NUMBER: 18833
INFORMIX-OnLine Shared Memory Parameters (in Bytes):
共享内存参数（单位：字节）
===================================================
SHMMAX: 409600000
SHMMIN: 1
SHMALL: 512
SHMMNI: 100
SHMSEG: 6
LOCATION OF SHARED MEMORY:
=========================
SHMBASE 0x82000000L
谁知道这个是什么意思？？？
Kernel Parameters recommended for Informix ONLINE:
推荐的核心参数设置
==================================================
MAXUMEM:524287
SEMMNI: 8192
SEMMNS: 8192
SEMMAP: 8192
SEMMNU: 100
SEMMSL: 25
Kernel Parameters that might have to be changed
depending on the Online configuration:
核心参数的更改必须依赖ONLINE的配置（这个是个大问题：对应关系是什么呢？？？那个TLI是什么东东？？？）
======================================
MAXUP
SEMMNI
SEMMNS
SEMMSL
NFILE
For TLI:
NSTREAM
NQUEUE
NUMTIM
NUMTRW
Increasing the Number of SPX connections: Increase SPX_MAX_CONNECTIONS in
/etc/conf/pack.d/spx/spx_tune.h
(Related parameter is SPX_MAX_SOCKETS
in /etc/conf/pack.d/ipx/ipx_tune.h)
(上边的这一串到底应该如何翻译啊？？？)
Machine Specific Notes:
=======================
1. The following protocol(s)/interface(s) are supported on this platform:
平台支持下列协议或接口
TLI using TCP/IP
TLI using IPX/SPX
To use TCP/IP, the NETTYPE in the ONCONFIG file and the nettype field
in the sqlhosts file entry must contain "ontlitcp".
使用TCP/IP，sqlhosts文件的nettype字段必须设置成"ontlitcp"
To use IPX/SPX, the NETTYPE in the ONCONFIG file and the nettype field
in the sqlhosts file entry must contain "ontlispx".
使用TCP/IP，sqlhosts文件的nettype字段必须设置成"ontlispx"
2. On-Archive tape drivers:
On-Archive has been tested on SCO OpenServer Release 5.0.5 with
a 4mm DAT tape drive. It is only possible (at the time of release)
to archive a single saveset per tape.
To use onarchive to tape you should set compat mode = 0 in
/etc/conf/pack.d/Stp/space.c and use a rewind device ie /dev/rmt/c0s0
On older versions of the OS (5.0.0, 5.0.2) you may need to consult with
SCO to get archiving to work.
3. TERMINFO is supported on this platform.
4. The Affinity feature, which allows the pinning of a CPU VP process to a
processor in a multi-cpu configuration, is supported on this platform. This
feature can be activated through the two ONCONFIG parameters AFF_SPROC
and AFF_NPROCS.
5. The no aging feature that disables priority aging of CPU virtual
processors by the operating system is supported on this port.This
feature can be activated through the onconfig parameter NOAGE.
6. OS Auditing(Operation System Auditing) is supported and the related
information is given below:
To record INFORMIX-OnLine audit records in the OS audit log,
a) user "informix" must have writeaudit privilege; To do so, run
scoadmin to give user "informix" writeaudit privilege.
b) user "informix" and group "informix" must be in the list of users
and groups audited by OS. Run auditsh to add user "informix" and
group "informix" in these user/group lists. Due to a current SCO
bug in auditsh, individual users and groups cannot be entered.
The workaround is to audit all users, by entering a space instead
of a user name.
c) INFORMIX OnLine uses "Audit Subsystem Events" to write INFORMIX
OnLine audit records. Run auditsh to turn on "Audit Subsystem Events".
Due to a current bug in SCO auditsh, all the events should be audited
in order to audit Audit Subsystem Events.
To select which INFORMIX-OnLine events are to be audited, specify audit
masks by using the "onaudit" utility. To extract INFORMIX OnLine audit
records from the operating system audit trail, use "onshowaudit -O".
Refer to the INFORMIX-OnLine Trusted Facility Manual (TFM) and SCO Operating
system documentation for further details.
7. The DB/Cockpit DBA monitoring tool is not available on this platform.
8. Kernel Asynchronous I/O (KAIO) is supported on this platform. However, it
is DISABLED by default.To enable KAIO set the environment variable
KAIOON. It is only effective on raw partitions.
KAIOON=1; export KAIOON(for Bourne or Korn Shell)
setenv KAIOON 1 (for C Shell)
The following is a pre-requisite for using KAIO:
- SCO AIO driver "aio" is installed and enabled.
- SCO driver "suds" is installed and enabled.
For information on how to install and enable driver "aio" and "suds",
please check with your System Administrator.
Limitation of SCO's KAIO Implementation:
- Since SCO tries to optimize shared memory allocation for
asynchronous I/O, it will attempt to allocate physically contiguous
memory, lock the memory segment in the physical memory, and mark it
for use by KAIO routines.Once the memory segment is locked, it
can not be chosen for "pageout" by the Operating System.Therefore,
there is a chance that the system will run out of memory. Of course,
it depends on how large the memory is and how many processes are
running on the system.
To overcome the above limitation, you could either stop and restart
the server-OR-just not enable the KAIO by NOT setting the KAIOON
flag as suggested above. If KAIOON is already set, unset KAIOON
environment variable, and stop and restart the server.
- If the server is brought up with "KAIOON" and the client does not
know about it, there is a slight chance that onstat will not work
properly.
Table 1: Relation of Onstat and Oninit with KAIO On or Off
| KAIO | KAIO | KAIO | KAIO
-------------------------------------
oninit|ON| OFF|ON| OFF
(server) | | | |
-------------------------------------
onstat|ON| OFF| OFF|ON
(client) | | | |
-------------------------------------
error from onstat |NO|NO|NO| YES
9.The High Performance Loader is supported on this platform.The loader
utilities, onpload and ipload, require minimum of 35 MB of memory and
70 MB of swap space in order to run.
User-defined conversion routines must be provided in a dynamic,
shared library called ipldd07a.so. This library must be located
in /usr/lib (or must have a link provided in /usr/lib).
10. The Informix network shared libraries are not supported.
11. Shared memory residency is supported on this platfrom.
12. If the OnLine server and client run on different machines and connect
to each other through TLITCP, the user thread "sqlexec" on the server
side will remain alive for tcp_keepidle seconds when the physical
connection between the two machines is broken.On SCO OpenServer
Release 5, the value of tcp_keepidle is tunable. (See the onconfig
man page for details.)
13. The Enterprise Replication (CDR) is supported on this platform.
14. Some of the functions called by ON-Bar are in a shared library
supplied by third party storage management vendors. For ON-Bar to
access the functions, the library has to be installed in one of the
three ways noted below.
1. Rename the library to /usr/lib/ibsad001.so.
2. Create /usr/lib/ibsad001.so as a symbolic link to the library.
3. Set the BAR_BSALIB_PATH paramter in $INFORMIXDIR/etc/$ONCONFIG
to the full pathname of the library.
15. The point-in-time (PIT) feature of ON-Bar is affected by a problem.
The workarounds are noted below.
1. Use adjusted time on the command line. For example to restore
on September 25 at 14:00 DST in the US/Pacific timezone, use
the command: onbar -r -t "1996-09-25 13:00:00"
2. Set the time zone (TZ) environment variable for both the
ON-Bar and the machine where the server runs accordingly. For
example, for US/Pacific time zone, TZ must be set to PST8 rather
than PST8DST7. This precludes the introduction of Daylight
Savings Time.
16. The Online SNMP subagent(OnSNMP)is supported with this release.
On SCO, OnSNMP is based on PEER Network's subagent Development Kit
release 2.3.The distribution includes the following files installed
under $INFORMIXDIR:
bin/onsnmp the OnSNMP subagent itself, packaged as a separeate
process.
bin/onsrvapd the daemon which spawns a subagent for each server it
discovers.
snmp/peer/snmpdp PEER Network's master agent.
snmp/peer/CONFIG PEER Network's configuration file.
snmp/*V1.mib
snmp/*V2.mib
snmp/*.my MIB files defining the instrumentation provided with
OnSNMP. Files with 'V1' conform to SNMP version 1 and
share the widest acceptance; files with 'V2' conform
to SNMP version 2; files with the 'my' extention are
transitional that may be used as a last resort.
Refer to the installation notes that accompany the master agent for
more details.
Note: OnSNMP is supported on a host that is running one and only one
server.If multiple servers are running on the same host, then the
values returned by the subagent are for the first server.All
subagents for subsequent servers may fail to start.
17. IECC
Informix Enterprise Command Center (IECC).
IECC ServerAgent is NOT supported for this release on this platform.
Because of this, only the following Tools within IECC Win NT/95 Client
can be used against the 7.31 server.
ISM Administrator
Enterprise Replication
SQL Editor
For more information on how to configure and use these Tools please refer
to IECC Tools section within IECC Users Guide. Be sure to also refer
to IECC Client Release Notes.
18. ISM
Informix Storage Manager version 2.00.UC1 is supported in this
release. On OpenServer 5.0.5on 4mm dat devices have been tested.
To use ISM you must have Stp_compat=1 in /etc/conf/pack.d/Stp/space.c
and use a non-rewind tape device ie /dev/rmt/c0s0n
Backup Verification (a RAS utility) is supported on SCO
when the server is online but not when the server is offline.
This is documented in bug # 105881.
……（交流）INFORMIX的推荐IDS_7.3文档翻译……
其实我们看那些数字就行了，不用看E文，翻译过来我倒觉得别扭了。。。你觉得呢？……（交流）INFORMIX的推荐IDS_7.3文档翻译……
但是还是挺想知道数字到底是什么意思到底要针对不同的系统怎样选择合适的配置
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