Difference between revisions of "Lvcreate"
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↑ http://man7.org/linux/man-pages/man8/lvcreate.8.html
↑ https://stuff.mit.edu/afs/athena/project/rhel-doc/5/RHEL-5-manual/Cluster_Logical_Volume_Manager/LV_create.html
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| − | <code>lvcreate</code><ref>http://man7.org/linux/man-pages/man8/lvcreate.8.html</ref> commands creates a [[logical volume]] (LV) | + | {{lc}}<code>lvcreate</code><ref>http://man7.org/linux/man-pages/man8/lvcreate.8.html</ref> commands creates a [[logical volume]] (LV) |
== Examples == | == Examples == | ||
| Line 6: | Line 6: | ||
: <code>lvcreate -l 100%FREE -n MY_NEW_LV MY_VG_NAME</code><ref>https://stuff.mit.edu/afs/athena/project/rhel-doc/5/RHEL-5-manual/Cluster_Logical_Volume_Manager/LV_create.html</ref> | : <code>lvcreate -l 100%FREE -n MY_NEW_LV MY_VG_NAME</code><ref>https://stuff.mit.edu/afs/athena/project/rhel-doc/5/RHEL-5-manual/Cluster_Logical_Volume_Manager/LV_create.html</ref> | ||
:Logical volume "MY_NEW_LV" created. | :Logical volume "MY_NEW_LV" created. | ||
| + | :<code>[[lvdisplay]]</code> | ||
| + | WARNING: ext4 signature detected on /dev/MY_NEW_LV/MY_NEW_LV at offset 1080. Wipe it? [y/n] | ||
| + | |||
| + | Calculated size of logical volume is 0 [[extents]]. Needs to be larger. | ||
| + | vgs -o +vg_free_count,vg_extent_count | ||
* Create a stripped LV for performance: | * Create a stripped LV for performance: | ||
| Line 12: | Line 17: | ||
:::<code>--type striped</code> is not optional as <code>-i</code> option is used) | :::<code>--type striped</code> is not optional as <code>-i</code> option is used) | ||
:::<code>-i 2</code>. Number of stripes. | :::<code>-i 2</code>. Number of stripes. | ||
| + | :::<code>-I</code> <code>--stripesize</code> | ||
| + | |||
| + | == Related commands == | ||
| + | * <code>[[mkfs.ext4]]</code> | ||
== See also == | == See also == | ||
* [[dmsetup]] ls and [[multipath]] -ll | * [[dmsetup]] ls and [[multipath]] -ll | ||
| + | * {{lvcreate}} | ||
* {{lvm commands}} | * {{lvm commands}} | ||
| − | * | + | * {{ext4}} |
| − | |||
[[Category:Linux]] | [[Category:Linux]] | ||
Latest revision as of 10:49, 6 September 2023
lvcreate[1] commands creates a logical volume (LV)
Examples[edit]
- Create LV using all VG space available:
WARNING: ext4 signature detected on /dev/MY_NEW_LV/MY_NEW_LV at offset 1080. Wipe it? [y/n]
Calculated size of logical volume is 0 extents. Needs to be larger. vgs -o +vg_free_count,vg_extent_count
- Create a stripped LV for performance:
lvcreate --size 10G -i 2 -I 64 -n new_stripped_lv_for_performance MY_VG_0--type stripedis not optional as-ioption is used)-i 2. Number of stripes.-I--stripesize
Related commands[edit]
See also[edit]
- dmsetup ls and multipath -ll
lvcreate- LVM: LVM errors LVM scan commands
lkvmetad, Add a new disk
- scan:
pvscanvgscan - LVM:
lvslvmscanlvm fullreportlvmreportlvmconfiglvmdumplvmchecklvm dumpconfig - Scan:
pvsvgslvspvscanvgscan - PV:
pvcreatepvremovepvscanpvremovepvscanpvspvchangepvckpvdisplaypvresize - LV:
lvdisplaylvcreatelvremove,lvresize,lvextend,lvreduce,lvrename - VG:
vgdisplay,vgcreate,vgremove,vgextend,vgreduce,vgscan,vgchange,vgrename,vgcfgbackup,vgcfgrestore,vgimportclone,vgck - Check commands:
pvckvgck
ext4e2fsck,,fsck.ext4, superblock, inode, block size, mkfs.ext4 tune2fswipefs,resize2fsstat,extents, Review ext4 journalctl logs. Read-only file system,virt-resize, ACL
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