lvchange(8)
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LVCHANGE(8) LVCHANGE(8)
NAME
lvchange - change attributes of a logical volume
SYNOPSIS
lvchange [--addtag Tag] [-A|--autobackup y|n] [-a|--available
y|n|ey|en|ly|ln] [--alloc AllocationPolicy] [-C|--contiguous y|n]
[-d|--debug] [--deltag Tag] [--resync] [-h|-?|--help] [--ignorelocking-
failure] [--ignoremonitoring] [--monitor {y|n}] [-M|--persistent y|n]
[--minor minor] [-P|--partial] [-p|--permission r|rw] [-r/--readahead
ReadAheadSectors|auto|none] [--refresh] [-t|--test] [-v|--verbose] Log-
icalVolumePath [LogicalVolumePath...]
DESCRIPTION
lvchange allows you to change the attributes of a logical volume
including making them known to the kernel ready for use.
OPTIONS
See lvm for common options.
-a, --available y|n|ey|en|ly|ln
Controls the availability of the logical volumes for use. Com-
municates with the kernel device-mapper driver via libdevmapper
to activate (-ay) or deactivate (-an) the logical volumes.
If clustered locking is enabled, -aey will activate exclusively
on one node and -aly will activate only on the local node. To
deactivate only on the local node use -aln. Logical volumes
with single-host snapshots are always activated exclusively
because they can only be used on one node at once.
-C, --contiguous y|n
Tries to set or reset the contiguous allocation policy for logi-
cal volumes. It's only possible to change a non-contiguous logi-
cal volume's allocation policy to contiguous, if all of the
allocated physical extents are already contiguous.
--resync
Forces the complete resynchronization of a mirror. In normal
circumstances you should not need this option because synchro-
nization happens automatically. Data is read from the primary
mirror device and copied to the others, so this can take a con-
siderable amount of time - and during this time you are without
a complete redundant copy of your data.
--minor minor
Set the minor number.
--monitor y|n
Controls whether or not a mirrored logical volume is monitored
by dmeventd, if it is installed. If a device used by a moni-
tored mirror reports an I/O error, the failure is handled
according to mirror_image_fault_policy and mirror_log_fault_pol-
icy set in lvm.conf.
--ignoremonitoring
Make no attempt to interact with dmeventd unless --monitor is
specified. Do not use this if dmeventd is already monitoring a
device.
-M, --persistent y|n
Set to y to make the minor number specified persistent.
-p, --permission r|rw
Change access permission to read-only or read/write.
-r, --readahead ReadAheadSectors|auto|none
Set read ahead sector count of this logical volume. For volume
groups with metadata in lvm1 format, this must be a value
between 2 and 120 sectors. The default value is "auto" which
allows the kernel to choose a suitable value automatically.
"None" is equivalent to specifying zero.
--refresh
If the logical volume is active, reload its metadata. This is
not necessary in normal operation, but may be useful if some-
thing has gone wrong or if you're doing clustering manually
without a clustered lock manager.
Examples
"lvchange -pr vg00/lvol1" changes the permission on volume lvol1 in
volume group vg00 to be read-only.
SEE ALSO
lvm(8), lvcreate(8), vgchange(8)
Sistina Software UK LVM TOOLS 2.02.44-cvs (02-17-09) LVCHANGE(8)
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