asr.tech.notes

http://www14.software.ibm.com/webapp/set2/sas/f/vios/documentation/perf.html Reproduced from the link posted above: The VIOS online pubs in InfoCenter include sections on sizing for both Virtual SCSI and SEA. http://publib.boulder.ibm.com/infocenter/eserver/v1r2s/en_US/index.htm For Virtual SCSI, please see the section titled "Virtual SCSI Sizing Considerations". For SEA, please see the section titled "Planning for shared Ethernet adapters." QOS considerations The Virtual I/O server is a shared resource that can be shared concurrently by Virtual SCSI and by Virtual Ethernet / Shared Ethernet. Depending on the specific configuration of a Virtual I/O server, quality of service issues (long response times) may be encountered if insufficient CPU resources exist on the I/O server partition for the I/O load required. Recommendations for sizing and tuning the Virtual I/O server are discussed in the following paragraphs. The Virtual Ethernet and Shared Ethernet drivers ...

First, list all the HBAs, in the output below the HBA device name is /dev/td0 and /dev/td1 my-hp-system# ioscan -fnkC fc Class I H/W Path Driver S/W State H/W Type Description ================================================================= fc 0 0/4/0/0 td CLAIMED INTERFACE HP Tachyon TL/TS Fibre Channel Mass Storage Adapter /dev/td0 fc 1 0/7/0/0 td CLAIMED INTERFACE HP Tachyon TL/TS Fibre Channel Mass Storage Adapter /dev/td1 Now, use the fcmsutil to find the WWN and other information related to each of these HBAs: my-hp-system# fcmsutil /dev/td0

Here is a easy way to find the top paging space users using a svmon command: my-system> svmon -P -O sortseg=pgsp Unit: page -------------------------------------------------------------------------------      Pid Command          Inuse      Pin     Pgsp  Virtual 2289864 sshd             18908     7988        0    18414 2265260 ksh              18499     7988        0    18427 1765570 svmon            17398     8032        0    17337

The easiest way to test throughput between 2 AIX servers is to do a FTP test, generating data transfer with ‘dd’ command.  This will provide the throughput/speed for the specified amount of data transfer: #src-system> ftp dst-system … … ftp>  put "|dd if=/dev/zero bs=32k count=10000" /dev/null 200 PORT command successful. 150 Opening data connection for /dev/null. 10000+0 records in 10000+0 records out 226 Transfer complete. 327680000 bytes sent in 1.406 seconds (2.277e+05 Kbytes/s) local: |dd if=/dev/zero bs=32k count=10000 remote: /dev/null ftp>bye   This is the same test IBM recommends in the redbook and also during a support call

Group a bunch of file systems together using mount group option:                            Add an Enhanced Journaled File System Type or select values in entry fields. Press Enter AFTER making all desired changes.                                                         [Entry Fields]   Volume group name                                   datavg   SIZE of file system           Unit Size     ...

Create File Systems: /usr/mqm -> MQ installation base /var/mqm -> Queue Manager Data (log, qmgrs) /home/mqm -> MQM user base (scripts, admin files etc) /home/mqm/mqrouter - > MQ Router application files (scripts, config etc) /home/mqm/saveqmgr -> Queue Manager backup location Optional (for large installations in place of /var/mqm/): /var/mqm/log –> Queue manager log /var/mqm/qmgrs -> Queue manager data   Install – MQ Filesets: mqm.base.runtime 7.0.1.3 WebSphere MQ Runtime for mqm.base.samples 7.0.1.3 WebSphere MQ Samples mqm.base.sdk 7.0.1.3 WebSphere MQ Base Kit for mqm.client.rte 7.0.1.3 WebSphere MQ Client for AIX mqm.java.rte 7.0.1.3 WebSphere MQ Java Client, JMS mqm.jre.rte 7.0.1.3 WebSphere MQ Java Runtime mqm.keyman.rte 7.0.1.3 WebSphere MQ Support for GSKit mqm.msg.en_US 7.0.1.3 WebSphere MQ Messages - U.S. mqm.server.rte 7.0.1.3 WebSphere MQ Server mqm.txclient.rte 7.0.1.3 WebSphere MQ Extended mqm.man.en_US.data 7.0.1.3 WebSpher...

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