It has been recommended by VERITAS to have fsgen as Volume usage type for volume which are going to be used for Filesystem creation and mounts. VERITAS claim that it becomes necessary to change the volume usage type to fsgen so that file systems will synch...
The best part of OpenFiler is its “Web Based Administration” which makes it even more user friendly. Below are the complete steps to provision new Luns in OpenFiler. “http://mentorsup.com/blog/2016/02/installation-of-openfiler-on-vmware-workstation-for-shared-storage-in-unix/” :Let me add two 1 GB disks (for new LUN creation) to OpenFiler VM which we have...
System Controller battery (BATTERY at SC/BAT/V_BAT has exceeded low warning) failure in T-series servers. Many a times you will get a hardware error in /var/adm/messages (or at ALOM/LOM prompt, console messages) for SC battery failure, In this post I will explain the battery replacement procedure along...
Troubleshooting In Solaris: Unable to get any outputs from prtdiag command. Prtdiag is one of the most useful command to find out the hardware details in Solaris OS. But sometimes in real scenarios you will find that Prtdiag command will hung or not execute at all....
The installation of Opene-dss has been published in previous post. Kindly refer: http://mentorsup.com/blog/2016/02/installation-of-open-e-dss-on-vmware-workstation-for-shared-storage-in-unix-supported-for-scsi-3-persistent-reservation/ Creation of iSCSI Volume: I have assigned 1*5GB lun from VMware on Opene-dss VM. Login to opene-dss via GUI. Go to configuration -> Volume Manager -> Volume Group Now tick the disk (one...
LDOM troubleshooting: Unable to start ldmd (Ldom Daemon). This week I was doing some testing on Ldoms to provide some important information about LDOM’s to our GurkulIndia followers. During initial phases I have met some nice troubleshooting which I would like to share with you all....
Below are the steps to rebuild the /dev/sg/* and /dev/rmt/* and to detect Robot devices on a Solaris server: Note: Prior to below steps I have verified the outputs in cfgadm to check Tapes and Media Changer (Robot) status. 1.) Check and create a backup copy...
Creation of a Hardware Mirrored Volume in Solaris Servers: 1.) Verify which hard drive corresponds with which logical device name and physical device name, using the raidctl command: # raidctl Controller: 1 Disk: 0.0.0 Disk: 0.1.0 Disk: 0.2.0 Disk: 0.3.0 Disk: 0.4.0 Disk: 0.5.0 Disk: 0.6.0...
The most common problem that can be seen in many environment is to recover root password. Below is the General procedure which is being used from decades in Solaris 6, 7, 8, 9 ,10.
Beginners Lessons / Linux Admin / Linux Disk Management / Linux LVM
by Yogesh Raheja · Published February 8, 2022
1.) What LVM is? 2.) Terminology 3.) Creation of Physical Vol, Volume Group, Logical Volume, Filesystem creation, Mount and making the FS entry in /etc/fstab 4.) Add new disk under existing Volume Group 5.) Filesystem extension in Linux 6.) Filesystem shrinking in Linux 7.) Removing disk...
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