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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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NAME | SYNOPSIS | DESCRIPTION | OPTIONS | SEE ALSO | COLOPHON |
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CMIRRORD(8) System Manager's Manual CMIRRORD(8)
cmirrord — cluster mirror log daemon
cmirrord [-f|--foreground] [-h|--help]
cmirrord is the daemon that tracks mirror log information in a
cluster. It is specific to device-mapper based mirrors (and by
extension, LVM cluster mirrors). Cluster mirrors are not possible
without this daemon running.
This daemon relies on the cluster infrastructure provided by coro‐
sync, which must be set up and running in order for cmirrord to
function.
Output is logged via syslog(3). The SIGUSR1 signal(7) can be is‐
sued to cmirrord to gather current status information for debug‐
ging purposes.
Once started, cmirrord will run until it is shutdown via SIGINT
signal. If there are still active cluster mirrors, however, the
signal will be ignored. Active cluster mirrors should be shutdown
before stopping the cluster mirror log daemon.
-f|--foreground
Do not fork and log to the terminal.
-h|--help
Print usage.
lvmlockd(8), lvm(8),
syslog(3), signal(7)
This page is part of the lvm2 (Logical Volume Manager 2) project.
Information about the project can be found at
⟨http://www.sourceware.org/lvm2/⟩. If you have a bug report for
this manual page, see ⟨https://github.com/lvmteam/lvm2/issues⟩.
This page was obtained from the project's upstream Git repository
⟨git://sourceware.org/git/lvm2.git⟩ on 2025-08-11. (At that time,
the date of the most recent commit that was found in the
repository was 2025-08-08.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
Red Hat, Inc. LVM TOOLS 2.03.35(2)-git (2025-07-30) CMIRRORD(8)
Pages that refer to this page: lvchange(8), lvconvert(8), lvcreate(8), lvdisplay(8), lvextend(8), lvm(8), lvmconfig(8), lvmdevices(8), lvmdiskscan(8), lvm-fullreport(8), lvm-lvpoll(8), lvreduce(8), lvremove(8), lvrename(8), lvresize(8), lvs(8), lvscan(8), pvchange(8), pvck(8), pvcreate(8), pvdisplay(8), pvmove(8), pvremove(8), pvresize(8), pvs(8), pvscan(8), vgcfgbackup(8), vgcfgrestore(8), vgchange(8), vgck(8), vgconvert(8), vgcreate(8), vgdisplay(8), vgexport(8), vgextend(8), vgimport(8), vgimportclone(8), vgimportdevices(8), vgmerge(8), vgmknodes(8), vgreduce(8), vgremove(8), vgrename(8), vgs(8), vgscan(8), vgsplit(8)
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HTML rendering created 2025-09-06 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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