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0dd905c959
Make it possible to tear down VDO volumes with blkdeactivate if VDO is part of a device stack (and if VDO binary is installed). Also, support optional -o|--vdooptions configfile=file.
135 lines
3.7 KiB
Plaintext
135 lines
3.7 KiB
Plaintext
.TH "BLKDEACTIVATE" "8" "LVM TOOLS #VERSION#" "Red Hat, Inc" "\""
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.SH "NAME"
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blkdeactivate \(em utility to deactivate block devices
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.SH SYNOPSIS
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.B blkdeactivate
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.RB [ -d \ \fIdm_options\fP ]
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.RB [ -e ]
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.RB [ -h ]
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.RB [ -l \ \fIlvm_options\fP ]
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.RB [ -m \ \fImpath_options\fP ]
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.RB [ -r \ \fImdraid_options\fP ]
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.RB [ -o \ \fIvdo_options\fP ]
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.RB [ -u ]
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.RB [ -v ]
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.RI [ device ]
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.SH DESCRIPTION
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The blkdeactivate utility deactivates block devices. For mounted
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block devices, it attempts to unmount it automatically before
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trying to deactivate. The utility currently supports
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device-mapper devices (DM), including LVM volumes and
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software RAID MD devices. LVM volumes are handled directly
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using the \fBlvm\fP(8) command, the rest of device-mapper
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based devices are handled using the \fBdmsetup\fP(8) command.
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MD devices are handled using the \fBmdadm\fP(8) command.
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.SH OPTIONS
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.TP
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.BR -d ", " --dmoptions \ \fIdm_options\fP
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Comma separated list of device-mapper specific options.
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Accepted \fBdmsetup\fP(8) options are:
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.RS
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.IP \fIretry\fP
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Retry removal several times in case of failure.
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.IP \fIforce\fP
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Force device removal.
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.RE
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.TP
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.BR -e ", " --errors
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Show errors reported from tools called by \fBblkdeactivate\fP. Without this
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option, any error messages from these external tools are suppressed and the
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\fBblkdeactivate\fP itself provides only a summary message to indicate
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the device was skipped.
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.TP
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.BR -h ", " --help
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Display the help text.
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.TP
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.BR -l ", " --lvmoptions \ \fIlvm_options\fP
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Comma-separated list of LVM specific options:
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.RS
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.IP \fIretry\fP
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Retry removal several times in case of failure.
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.IP \fIwholevg\fP
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Deactivate the whole LVM Volume Group when processing a Logical Volume.
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Deactivating the Volume Group as a whole is quicker than deactivating
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each Logical Volume separately.
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.RE
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.TP
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.BR -m ", " --mpathoptions \ \fImpath_options\fP
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Comma-separated list of device-mapper multipath specific options:
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.RS
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.IP \fIdisablequeueing\fP
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Disable queueing on all multipath devices before deactivation.
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This avoids a situation where blkdeactivate may end up waiting if
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all the paths are unavailable for any underlying device-mapper multipath
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device.
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.RE
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.TP
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.BR -r ", " --mdraidoptions \ \fImdraid_options\fP
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Comma-separated list of MD RAID specific options:
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.RS
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.IP \fIwait\fP
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Wait MD device's resync, recovery or reshape action to complete
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before deactivation.
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.RE
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.TP
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.BR -o ", " --vdooptions \ \fIvdo_options\fP
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Comma-separated list of VDO specific options:
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.RS
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.IP \fIconfigfile=file\fP
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Use specified VDO configuration file.
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.RE
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.TP
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.BR -u ", " --umount
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Unmount a mounted device before trying to deactivate it.
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Without this option used, a device that is mounted is not deactivated.
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.TP
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.BR -v ", " --verbose
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Run in verbose mode. Use --vv for even more verbose mode.
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.SH EXAMPLES
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.
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Deactivate all supported block devices found in the system, skipping mounted
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devices.
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.BR
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#
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.B blkdeactivate
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.BR
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.P
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Deactivate all supported block devices found in the system, unmounting any
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mounted devices first, if possible.
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.BR
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#
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.B blkdeactivate -u
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.BR
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.P
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Deactivate the device /dev/vg/lvol0 together with all its holders, unmounting
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any mounted devices first, if possible.
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.BR
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#
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.B blkdeactivate -u /dev/vg/lvol0
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.BR
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.P
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Deactivate all supported block devices found in the system. If the deactivation
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of a device-mapper device fails, retry it. Deactivate the whole
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Volume Group at once when processing an LVM Logical Volume.
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.BR
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#
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.B blkdeactivate -u -d retry -l wholevg
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.BR
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.P
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Deactivate all supported block devices found in the system. If the deactivation
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of a device-mapper device fails, retry it and force removal.
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.BR
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#
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.B blkdeactivate -d force,retry
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.
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.SH SEE ALSO
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.BR dmsetup (8),
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.BR lsblk (8),
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.BR lvm (8),
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.BR mdadm (8),
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.BR multipathd (8),
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.BR vdo (8),
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.BR umount (8)
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