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lvm_handling [2012/02/13 12:40] root |
lvm_handling [2017/04/16 23:50] (current) root [Prepare new disk/VolumeGroup/Logical Volume] |
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===== Prepare new disk/VolumeGroup/Logical Volume ===== | ===== Prepare new disk/VolumeGroup/Logical Volume ===== | ||
+ | |||
+ | Add disk/LUN to server. Have a look at [[rescan_scsi_bus|Rescan SCSI bus]] for scanning the SCSI bus online. Alternative reboot the server. | ||
Prepare PV's with | Prepare PV's with | ||
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Create filesytem | Create filesytem | ||
+ | |||
+ | EXT FS: | ||
mkfs.ext4 -F -b 4096 /dev/<vgname>/<lvname> | mkfs.ext4 -F -b 4096 /dev/<vgname>/<lvname> | ||
Depending on distribution use relevant ext2/ext3/ext4 file system type. | Depending on distribution use relevant ext2/ext3/ext4 file system type. | ||
+ | XFS FS: | ||
+ | mkfs.xfs /dev/<vgname>/<lvname> | ||
===== Resize existing Logical volume ===== | ===== Resize existing Logical volume ===== | ||
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Resize Physical Volume | Resize Physical Volume | ||
pvresize /dev/<device> | pvresize /dev/<device> | ||
+ | |||
+ | If LUN is under multipath: | ||
+ | multipathd resize map <multipath_device> | ||
+ | |||
+ | Where <multipath_device> is mpath<x> or wwid depending on multipath configuration. | ||
Extend Logical Volume | Extend Logical Volume | ||
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Extend filesytem which resides on Logical Volume | Extend filesytem which resides on Logical Volume | ||
+ | |||
+ | EXT FS: | ||
resize2fs /dev/<vgname>/<lvname> | resize2fs /dev/<vgname>/<lvname> | ||
- | [[https://access.redhat.com/kb/docs/DOC-9855]] | + | XFS FS: |
+ | xfs_growfs /dev/<vgname>/<lvname> | ||
+ | [[https://access.redhat.com/kb/docs/DOC-9855]] | ||
===== Resize swap on Logical volume ===== | ===== Resize swap on Logical volume ===== |