blkdeactivate man page on Manjaro

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BLKDEACTIVATE(8)					      BLKDEACTIVATE(8)

NAME
       blkdeactivate - utility to deactivate block devices

SYNOPSIS
       blkdeactivate [options] [device...]

DESCRIPTION
       blkdeactivate  utility  deactivates  block  devices.  If	 a  device  is
       mounted, the utility can unmount	 it  automatically  before  trying  to
       deactivate.  The	 utility  currently  supports  device-mapper  devices,
       including LVM volumes.  LVM volumes are handled directly using the  lvm
       command.	  Other	 device-mapper	based  devices	are  handled using the
       dmsetup command.

OPTIONS
       -e, --errors
	      Show errors reported from tools called by blkdeactivate.	 With‐
	      out  this	 option,  any error messages from these external tools
	      are suppressed and the blkdeactivate itself provides only a sum‐
	      mary message about device being skipped or not.

       -h, --help
	      Display the help text.

       -u, --umount
	      Unmount  a mounted device before trying to deactivate it.	 With‐
	      out this option used, a device that is mounted  is  not  deacti‐
	      vated.

       -v, --verbose
	      Run in verbose mode.

       -d, --dmoption dm_options
	      Comma separated list of device-mapper specific options.

       -l, --lvmoption lvm_options
	      Comma separated list of LVM specific options.

DM_OPTIONS
       retry  Retry removal several times in case of failure.

       force  Force device removal. See dmsetup(8) for more information.

LVM_OPTIONS
       retry  Retry removal several times in case of failure.

       wholevg
	      Deactivate  the whole LVM Volume Group when processing a Logical
	      Volume.  Deactivating Volume Group as a whole  takes  less  time
	      than deactivating each Logical Volume separately.

EXAMPLES
       Deactivate all supported block devices found in the system. If a device
       is mounted, skip its deactivation.

       blkdeactivate

       Deactivate all supported block devices found in the system. If a device
       is mounted, unmount it first if possible.

       blkdeactivate -u

       Deactivate supplied device together with all its holders. If any of the
       devices processed is mounted, unmount it first if possible.

       blkdeactivate -u /dev/vg/lvol0

       Deactivate all supported block devices found in the system. Retry deac‐
       tivation of device-mapper devices in case the deactivation fails. Deac‐
       tivate the whole Volume Group at once when processing  an  LVM  Logical
       Volume.

       blkdeactivate -u -d retry -l wholevg

       Deactivate all supported block devices found in the system. Retry deac‐
       tivation of device-mapper devices in case the  deactivation  fails  and
       force removal.

       blkdeactivate -d force,retry

SEE ALSO
       lsblk(8) umount(8) dmsetup(8) lvm(8)

Red Hat, Inc	      LVM TOOLS 2.02.106(2) (2014-04-10)      BLKDEACTIVATE(8)
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