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- How to install OpenSSH in AIX
- AIX HACMP Cluster tips
- Frequently asked questions on HACMP Cluster
- Configuring LVM Filesystems for Optimum Performance in AIX
- Very useful AIX commands
- Setting Up the Disk Quota System in AIX
- How to reduce the var or tmp filesystem
- AIX Command Crib Sheet
- Here is there error I get when I execute a basic topas command: # topas exec(): 0509-036 Cannot load program topas because of the following errors: 0509-130 Symbol resolution failed for /usr/lib/libperfstat.a(shr.o) because: 0509-136 Symbol ptx_get_rsetsyswait (number 81) is not exported from dependent module /unix. 0509-136 Symbol ptx_get_rsetsysinfo (number 83) is not exported from dependent module /unix. 0509-136 Symbol ptx_get_rsetsysstats (number 84) is not exported from dependent module /unix. 0509-026 System error: Error 0 0509-192 Examine .loader section symbols with the 'dump -Tv' command. Any reason what this would cause this error?
- how to find Get full path of a running process in AIX
- How to exclude group of files in TSM backup in AIX ?
- How to get history of command in AIX5.3
- Aix 5.2 increasing the paging space - How to?
- Unable to create spot from mksysb for one nim client ?
- How to change Parameters like SHMMAX in AIX
- How do i configure aix 5.3 to use a smtp relay server?
- How to check the status of services in AIX like Chargen , echo , finger , who
- How to create more space on a filesystem in AIX
- Anonymous FTP System Settings AIX (with POSIX compliant ftp account home directory)
- How to remove an LPAR through HMC via command line ? HMC is not accessible through GUI
- Tomcat 6.0.20 installation on AIX 5.3
- what will be impact of changing hard file size/soft file size unlimited in AIX for particular user? How to change hard file size/soft file size to unlimited at the shell prompt?
- Installing Apache Directory on AIX 5.3
- How do I create a user with admin rights in AIX 5.3
- From HMC How to get cpu and memory information of lpar ?
- Please explain the real life implication of shared processors on AIX
- How torepair the log on a jfs2 filesystem in AIX
- How to check Call Home facility from HMC for p570 and p595 lpars?
- What is the appropriate syntax to edit the 'DH' entry in sendmail.cf?
- How to customize login banner for telnet in AIX.
- How to download cfg2html script for aix and configure it ?
- Unix command to count number of files in a directory
- Physical Memory usage - AIX server
- commands to get system information for AIX
- create filesystem on lv and mount it at boot up
- How to change Default Gateway in AIX
- Script to copy files from one AIX server to another
- Script to compare two directories and copy files missing from A to B
- How to create Lpar on IBM pSeries Servers
- How to send multiple email attachments from AIX?
- How to enable SFTP logging in AIX?
- How to send Oracle audit logs to syslog
- How do you find out the wwpn of the hba currently plugged into an ibm system
- Laserjet network printer setup in AIX
- How to check if AIX 5.1. has a 64-bit kernel or 32-bit
- Installing of SSH on AIX 5.2
- How to STOP TELNET Service in AIX 5.2
- How to mount tape drive in AIX system
- How do I rename an existing file system in AIX 5.2
- Aix monitoring tools
- Search AIX for core file, omitting /proc
- How to copy select files based on date
- How to I check dsmcad port on AIX
- Automatic startup of a service on AIX
- How to do a OS backup in AIX
- How to break the rootvg mirror
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Sticky FAQs
AIX
ID #1031
Configuring LVM Filesystems for Optimum Performance in AIX
To configure an RS/6000 system for the highest disk I/O performance, create the logical volumes using the following guidelines.
- Create logical volumes with only 1 copy (do not mirror partitions)
- Set "write-verify": NO
- INTRA-policy: CENTER
- INTER-policy: MAXIMUM
Note the tradeoffs between higher performance and availability. Typical systems are configured somewhere between the two extremes presented in the AIX Tips. The following attachment explains the reasoning behind each of these selections.
Tags: AIX, filesystem, LVM
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Last update: 2009-06-19 18:03
AuthorLuke Francis
Revision: 1.0
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