Author name: admin

To identify processes to kill we need to view the FULL output from the ps command (we use the comm field). But by default we are not able to view full command.  So here is the solution.. Solaris : /usr/ucb/ps -awux You may need two “w” options. From ps(1b): -w Uses a wide output format […]

Use icapstatus to display Instant Capacity (iCAP) status and information: # icapstatusSoftware version:          B.08.00System ID:                 test06Serial number:             UFR99899X2Product number:           A6752AUnique ID:                 Z3e1999999999ffb4System contact e-mail:  me @ mydomain.caFrom e-mail:               Set to the default (‘adm’)Asset reporting:           onTemporary capacity warning period:  15 daysException status:          No exception Local nPartition Status———————–Total number of configured cores:                                            8Number of Intended Active cores:                                             6Number of

When I started in UNIX, I really fancy cheat sheets, as they give quick reference to the most useful commands. They are helpful to both new and experienced administrators. Even the most experienced UNIX system administrators forget their commands, sometimes even the most basic of them. We usually write our commands somewhere, either in a

System administrators will often reboot their boxes because of certain need like patch installation and kernel parameter change. Below is a guide to properly shutdown and reboot the system. THE PRE-WORK 1. Get important system information: Common Information needed# hostname# date# model# uname -a# uptime# who -r2. Gather filesystem information # showmount -eshows all exported

No outage required , if you have online jfs. If you do not have online jfs , do all the following in LVM maintenance mode.Note: this will only work if SWAP is NOT the next lvol after / a. Login as root.b. Find out a free disk / un mirror the rootvg and make that

You can to use the /usr/contrib/Q4/bin/q4 utility. cd /var/adm/crash/crash.0 # /usr/contrib/Q4/bin/q4 -p . (note the “dot” at the end of the command) At the q4> prompt, type:q4> run Analyze AU > ana.out q4> run WhatHappened -HANG > what.out NOTE:  ctrl-c can interrupt these two commands, which may take several minutes to process. To exit q4:q4>

A quick guide to extend an LVM with a VXFS Filesystem. 1. Verify OnLineJFS is installed# swlist -l product | grep -i vxfs# swlist -l product | grep -i onlineLook for OnlineJFS or AdvJournalFS 2. It is a good practice to defrag the filesystem first before extending# fsadm -d – D -e – E /mountpoint

A World Wide Name (WWN) or World Wide Identifier (WWID) is a unique identifier which identifies a particular Fibre Channel, Advanced Technology Attachment (ATA) or Serial Attached SCSI (SAS) target. Each WWN is an 8 byte number derived from an IEEE OUI and vendor-supplied information. >There are two formats of WWN defined by the IEEE: