Find Out Controller Path of Disk In Linux
Think of a situation that you extended the LUN from Storage. Then you need to rescan the device and found that there many controller availa...
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Think of a situation that you extended the LUN from Storage. Then you need to rescan the device and found that there many controller availa...
Error : skip_dev_dir: Couldn't split up device name Error in LVM Cause: The device name you are using in the lvextend Command is...
Linux LVM Extend a File system Which is in Mulitipath . You might have been faced multiple issues with LVM and must already be know t...
How to Grow xfs File system online. Solution: 1. Create a physical volume pvcreate /dev/sdc 2. Extend VG vgextend vgdb /dev/sdc ...
How to recover a deleted Volume group When you want to recover the VG, you tried using vgcfgrestore but the roadblocks comes with a...
Error: [root@cactiDB lvm]# pvcreate -uuid "Disk UUID" --restorefile /etc/lvm/archive/cactiDB_00002-188570652.vg /dev/mpath/mpat...
Login and Logout of iscsi LUN? 1. Login to iscsi LUNs iscsiadm -m node -l 2. Logout From iscsi LUNs iscsiadm -m node -u
TFTP Error: Permission Denied error in Linux. Solution: Change the Permission of the TFTP directory: chmod 775 /var/lib/tftpboot
Error : mount: /dev/mapper/STORBCK-backup already mounted or /STORBCK busy? Diagnostic: When we try to mount the /STORBCK FS we are ge...
Abort command issued messages in /var/log/messages file. what would be the reason? Errors: Nov 4 09:06:12 exampledb kernel: qla2xxx [00...
Error: SAN disk IO errors ("Sense Key : Illegal Request [current]") Oct 2 05:05:07 example.com kernel: sd 7:0:15:5: [sdaw] Re...
Error: User/Group Name Showing Number. How to Fix? -rwxr-xr-x 1 1451843492 2116441323 3875 Apr 1 2015 rcaws -rwxr-xr-x 1 145184...
Error: [root@server.example.com ~]# cd /STORLOGS [root@server.example.com STORLOGS]# touch ram touch: cannot touch `ram': Read-only...
Check Qlogic Devices. HBA Information Check Qlogic Devices: [root@server.example.com ~]# lspci | grep -i qlo 0b:00.0 Fibre Channel...
How to Create Swap File in Linux Create a 8GB file. [root@exampleserver ~]# dd if=/dev/zero of=/swap8gfile bs=1G count=8 8+0 record...
Error: [root@client.example.com ~]# mount -t nfs 1192.168.0.4:/u00-local /mnt mount: mount to NFS server '1192.168.0.4' failed: ...
Error: [root@example.com ~]# systool -bash: systool: command not found [root@example.com ~]# Solution: 1. Install sysfsutils pa...
Error: System Hung after message INFO: task oracle:2915 blocked for more than 120 seconds. Cause: These messages means that the system ...
How to find SAN LUNs In Linux? 1. Check FC card. [root@testserver ~]# lspci -nn | grep "Fibre Channel" 10:00.0 Fibre Chann...
How to remove RAID devices from Linux. 1. In-order to remove a RAID device, First stop the umount the FS. umount /storage 2. Then ...