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Document use_lvmetad and global_filter in lvm.conf.5.

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Petr Rockai 2012-11-19 16:19:58 +01:00
parent a7893ae858
commit c907ee0351
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18
man/lvm.conf.5.in
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@ -104,6 +104,12 @@ otherwise it is accepted. As an example, to ignore /dev/cdrom you could use:
.br .br
\fBdevices { filter=["r|cdrom|"] }\fP \fBdevices { filter=["r|cdrom|"] }\fP
.IP .IP
\fBglobal_filter\fP \(em Since "filter" is often overriden from command line, it
is not suitable for system-wide device filtering (udev rules, lvmetad). To hide
devices from LVM-specific udev processing and/or from lvmetad, you need to set
global_filter. The syntax is the same as for normal "filter" above. Devices that
fail the global_filter are not even opened by LVM.
.IP
\fBcache_dir\fP \(em Persistent filter cache file directory. \fBcache_dir\fP \(em Persistent filter cache file directory.
Defaults to "#DEFAULT_CACHE_DIR#". Defaults to "#DEFAULT_CACHE_DIR#".
.IP .IP
@ -354,6 +360,18 @@ if \fBlocking_type\fP is set to 1. The default is \fB/var/lock/lvm\fP.
library to load if \fBlocking_type\fP is set to 2. library to load if \fBlocking_type\fP is set to 2.
The default is \fBliblvm2clusterlock.so\fP. If you need to write The default is \fBliblvm2clusterlock.so\fP. If you need to write
such a library, look at the lib/locking source code directory. such a library, look at the lib/locking source code directory.
.IP
\fBuse_lvmetad\fP \(em Whether to use (trust) a running instance of lvmetad. If
this is set to 0, all commands fall back to the usual scanning mechanisms. When
set to 1 \fBand\fP when lvmetad is running (it is not auto-started), the volume
group metadata and PV state flags are obtained from the lvmetad instance and no
scanning is done by the individual commands. In a setup with lvmetad, lvmetad
udev rules \fBmust\fP be set up for LVM to work correctly. Without proper udev
rules, all changes in block device configuration will be \fBignored\fP until a
manual 'pvscan --cache' is performed.
.br
If lvmetad has been running while use_lvmetad was 0, it \fBMUST\fP be stopped before
changing use_lvmetad to 1 and started again afterwards.
.TP .TP
\fBtags\fP \(em Host tag settings \fBtags\fP \(em Host tag settings
.IP .IP