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How do I remove a LUN?
Steps
- Ensure that the application or host is not using the LUN.
- Use the lun unmap to unmap the LUN from the igroup. Example. …
- Use the lun modify command to take the LUN offline. …
- Use the lun delete command to delete the LUN. …
- Use the lun show command to verify that you deleted the LUN.
How do I reclaim LUN in Linux?
Check in the output of `multipath -ll` for the WWID of the LUN to be deleted. Remove the WWID using `multipath -f <WWID>`. Remove the multipath device from ALL paths to the LUN, run `echo 1 > /sys/bus/scsi/devices/${H:B:T:L}/delete` (Where H = host:B = bus:T = target:L = lun) For example, 4:0:0:1.
How do I get rid of mpath?
Removing Dead Multipath Device Online
- remove the device map and replace the table with one that fails all I/O. # dmsetup remove -f [map name] For example: …
- remove the multipath device. # multipath -f [LUN name] For example: …
- Verify the deletion of the dead multipath device.
How do I eject a disk in Linux?
Remove Hard Disk in Linux in 3 Easy Steps
- Assure the Hard Disk is not mounted. Edit /etc/fstab and assure there is no mount point for any partition of the hard drive. …
- Delete the Partition. Use fdisk as described here. …
- Restart Machine. Shut down Linux.
Can I remove multipath?
Use the multipath -f command to disable multipathing to a specific device. Use the multipath -F command to disable multipathing on all multipathed devices. Note – If the message map in use appears for a device when you attempt to disable multipathing, the device is still in use.
How do I remove SAN disk?
Deleting files in your flash drive or memory card using a PC
- Insert the USB flash drive to the PC’s USB port. …
- Open Windows Explorer. …
- Double-click the Removable disk drive letter associated with your flash drive or memory card. …
- Right-click on the file that you want to delete and select Delete. …
- Click Yes to confirm delete.
Where is San disk LUN number in Linux?
The numbers marked at the end represent host, channel, target and LUN respectively. so the first device in command “ls -ld /sys/block/sd*/device” corresponds to the first device scene in the command “cat /proc/scsi/scsi” command above. i.e. Host: scsi2 Channel: 00 Id: 00 Lun: 29 corresponds to 2:0:0:29.
How do I remove a device from Linux?
Deleting a partition in Linux requires selecting the disk containing the partition and using the fdisk command-line utility to delete it.
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Delete a Partition in Linux
- Step 1: List Partition Scheme. …
- Step 2: Select the Disk. …
- Step 3: Delete Partitions. …
- Step 4: Verify Partition Deletion. …
- Step 5: Save Changes and Quit.
How add LUN to physical server Linux?
On your Linux server, install the NetApp Linux Host Utilities package. In ONTAP System Manager, click Storage > LUNs and then click Add. Enter the required information to create the LUN.
What is Dmsetup in Linux?
dmsetup manages logical devices that use the device-mapper driver. Devices are created by loading a table that specifies a target for each sector (512 bytes) in the logical device. The first argument to dmsetup is a command. The second argument is the logical device name or uuid.
How do I rescan multipath devices in Linux?
To online scan new LUNs, complete the following steps:
- Update the HBA driver by installing or updating the files sg3_utils-*. …
- Ensure that DMMP is enabled.
- Ensure that the LUNS that need to be expanded are not mounted and are not used by applications.
- Run sh rescan-scsi-bus.sh -r .
- Run multipath -F .
- Run multipath .
How do I remove a volume group in Linux?
Delete Volume Group(LVM) in Linux
- Unmount the Volume using umount command. Once you identified the mount point, you need to remove it by using umount /u01 command as shown below. …
- Disable Logical Volume using lvchange command. …
- Delete Logical Volume using lvremove command. …
- Delete Volume Group using vgremove command.
