10-04-2015
No space in volume group. How to create a file system using existing logical volume
Hello Guys,
I want to create a file system dedicated for an application installation. But there is no space in volume group to create a new logical volume. There is enough space in other logical volume which is being mounted on /var.
I know we can use that logical volume and create a virtual file system. Unfortunately I couldn't recollect the procedure.
Scenario:
/dev/vg00/lvvar is mounted on /var
I want to use the same logical volume lvvar to create another file system /patrol without dismounting /var. Please let me know the complete procedure..
Thanks in advance
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LEARN ABOUT HPUX
lvremove
lvremove(1M) lvremove(1M)
NAME
lvremove - remove one or more logical volumes from LVM volume group
SYNOPSIS
autobackup] lv_path ...
Remarks
If the logical volume input arguments belong to a combination of volume groups version 1.0 and 2.0 or higher, the arguments may not be pro-
cessed in the order they are listed on the command line.
DESCRIPTION
The command removes each logical volume specified by lv_path ....
Logical volumes must be closed before they can be removed. For example, if the logical volume contains a file system, the file system
before removing it.
Options and Arguments
recognizes the following options and arguments:
lv_path The block device path name of a logical volume.
Set automatic backup for this invocation of this command.
autobackup can have one of the following values:
Automatically back up configuration changes made to the logical volume.
This is the default.
After this command executes, the command (see vgcfgbackup(1M)) is executed for the volume group to which
the logical volume belongs.
Do not back up configuration changes this time.
Specify that no user confirmation is required.
Shared Volume Group Considerations
For volume group version 1.0 and 2.0, cannot be used if the volume group is activated in shared mode. For volume groups version 2.1 (or
higher), can be performed when activated in either shared, exclusive, or standalone mode.
Note that the daemon must be running on all the nodes sharing a volume group activated in shared mode. See lvmpud(1M).
When is issued, it removes the logical volume device special files from all the nodes sharing the volume group.
When a node wants to share the volume group, the user must first execute a if logical volumes were removed at the time the volume group was
not activated on that node.
LVM shared mode is currently only available in Serviceguard clusters.
EXTERNAL INFLUENCES
Environment Variables
determines the language in which messages are displayed.
If is not specified or is null, it defaults to "C" (see lang(5)).
If any internationalization variable contains an invalid setting, all internationalization variables default to "C" (see environ(5)).
EXAMPLES
Remove a logical volume without requiring user confirmation:
WARNINGS
This command destroys all data in the specified logical volumes.
SEE ALSO
lvchange(1M), lvmpud(1M), umount(1M).
lvremove(1M)