How to truncate /var/adm/wtmp in AIX

/var/adm/wtmp contains login and logoff information in reverse chronological order. The last command can be used to view the contents of wtmp. An example of the output of last is shown below. $ last oracle pts/2 200.254.1.207 Jun 29 15:36 – 15:44 (00:08) oracle pts/2 192.253.1.20 Jun 29 15:34 – 15:35 (00:01) oracle pts/2 192.252.1.20 Jun 29 15:32 -…

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HACMP- (PowerHA) Volume group-Logical Volume-Filesystems-(Mount-Point) Rename Operations

Hi, These days, I need a rename operations  volume group,logical volume and filesystems mount point on HACMP(PowerHA) cluster. Firstly rename logical volume name,You should do below steps smit hacmp-system management- storage-logical volumes- Set Characteristics of a Logical Volume-Rename a Logical Volume Volume Group Name emrevg Resource Group Name emrep_RG Node List emrep_cls1,emrep_cls2 * CURRENT logical…

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tftpd service problem

I had a problem with tftpd service.So It doesnt start. # startsrc -s tftpd 0513-015 The tftpd Subsystem could not be started. Please check subsystem resources and try again later. Resolve: # ls -l /usr/sbin/tftpd  ———-    1 root     system       172980 Sep 11 2012  /usr/sbin/tftpd # chmod 555 /usr/sbin/tftpd                            …

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IBM V7000f Performans Test with Vdbench Tool on IBM AIX

Firsty, you should download vdbench to oracle web site. You can see the name vdbench50406.zip like this. And you have to install java 8,because vdbench use Java8.Its required. Put java path to your root profile. vi .profile export PATH=/usr/java8_64/jre/bin:$PATH:/usr/DynamicLinkManager/bin:/opt/freeware/bin :wq check your path root@yedekdonus:/home/root # which java /usr/java8_64/jre/bin/java Give 40 raw disk of size 50GB set…

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Create and Delete Logical Volume on PowerVC

Login your PowerVC.In the navigation pane, cllick storage volumes tab and then click data volumes as shown below.Click Create button Create volumes wizard is displayed. After create volume, you can see your volume as shown below. If you want to delete select your volume and click delete tab…

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Create Logical Volume using Shared Strorage pool on Classic HMC

Login your classic HMC.On previous post, we created shared storage pool.Now, I have some screenshoots about create volumes using shared storage pool. In the navigation pane, click the servers tab and select your server as shown below.Click the Virtual storage management. In this wizard,select your vios and click Query tab. Virtual storage management wizard is…

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PowerVC Activation Engine Install

Get the activation engine package vmc.vsae.tar from the PowerVC management host on /opt/ibm/powervc/activation-engine Transfer the vmc.vsae.tar file to the virtual machine that you are going to capture. For example, you can use a tool such as PuTTY to transfer the file On the virtual machine that you are going to capture, extract the contents of…

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Lpar2rrd Heatmap Problem

I had a problem with heatmap to Lpar2rrd.It could not be refreshed.I sent a mail to Lpar2rrd support. It said that there were some fixes recently in heatmap, install the latest code to be sure that it is not something already fixed.You can downloaded below adress. http://www.lpar2rrd.com/download/heatmap.pl.gz Gunzip it and copy to /home/lpar2rrd/lpar2rrd/bin (755, lpar2rrd…

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