[lvm-devel] master - man: lvconvert changes
David Teigland
teigland at fedoraproject.org
Fri Jul 8 19:34:46 UTC 2016
Gitweb: http://git.fedorahosted.org/git/?p=lvm2.git;a=commitdiff;h=7771793a560b839e6bc4083819bc5b192d94835a
Commit: 7771793a560b839e6bc4083819bc5b192d94835a
Parent: 3951ca93204742d23b56f8d253230d33f322aad5
Author: David Teigland <teigland at redhat.com>
AuthorDate: Fri Jul 8 11:55:42 2016 -0500
Committer: David Teigland <teigland at redhat.com>
CommitterDate: Fri Jul 8 14:34:36 2016 -0500
man: lvconvert changes
---
man/lvconvert.8.in | 32 +++++++++++++++-----------------
1 files changed, 15 insertions(+), 17 deletions(-)
diff --git a/man/lvconvert.8.in b/man/lvconvert.8.in
index 747bb7d..e85fe96 100644
--- a/man/lvconvert.8.in
+++ b/man/lvconvert.8.in
@@ -89,7 +89,7 @@ avoid the direct use of hidden LVs.
VG/StripedLV
.br
\[bu]
-Merge StripedLV into an LV when it is a previously split mirror
+Merge StripedLV into an LV when it is a previously split mirror.
.br
\[bu]
See --splitmirror.
@@ -167,7 +167,7 @@ Number
VG/RaidLV
.br
\[bu]
-Change the number of images in a raid1 RaidLV.
+Change the number of images in raid1 RaidLV.
.B lvconvert \-\-splitmirrors
Number
@@ -197,9 +197,6 @@ Replace failed PVs in RaidLV.
.B lvconvert \-\-replace
PV
-.B [\-\-replace
-PV
-.B ...]
VG/RaidLV
.br
\[bu]
@@ -207,6 +204,9 @@ Replace specific PV(s) in a raid* LV with another PV.
.br
\[bu]
The replacement PV can be optionally specified, see below.
+.br
+\[bu]
+Repeat to replace multiple: \-\-replace PV1 \-\-replace PV2 ...
.B lvconvert \-\-type snapshot
VG/RaidLV
@@ -333,6 +333,9 @@ VG/CachePoolLV
.br
\[bu]
Split the cache LV from CachePoolLV.
+.br
+\[bu]
+Equivalent to --splitcache on CacheLV.
.SS Operations on CacheLV with type cache:
@@ -587,8 +590,8 @@ This option is required when converting an LV to a \fBraid1\fP or
This option can be used alone to change the number of mirror images in an
existing \fBraid1\fP or \fBmirror\fP LV.
-The special case \fB\-\-mirrors 0\fP indicates a linear LV with no mirror
-images.
+The special case \fB\-\-mirrors 0\fP has been used historically to
+indicate a linear LV with no mirror images.
.
.HP
.BR \-n ,
@@ -709,17 +712,12 @@ still available in "<pool>_meta<n>" LV.
.BR \-\-replace
.IR PhysicalVolume
.br
-Remove the specified device (\fIPhysicalVolume\fP) and replace it with one
+Remove the specified device \fIPhysicalVolume\fP and replace it with one
that is available in the VG, or from a specific list of PVs specified on
the command line following the LV name. This option may be repeated multiple
-times depending on the RaidLV type. Maxima for raid1 are N-1 mirrors,
-for raid4/5 1 stripe, for raid6 2 stripes and for raid10 it is the number
-of stripes, i.e. one mirror in each mirror group. It is recommended to keep
-resilience whilst replacing PVs whenever possible, i.e. only replace a maximum
-of N-2 mirrors in a raid1 LV and 1 stripe in a raid6 LV at a time;
-this is not possible with raid4/5/10 LVs, because any single replaced PV
-will render the RaidLV non-resilient against another PV failure during replacement.
-.br
+times depending on the RaidLV type. See
+.BR lvmraid (7)
+for specific limits on device replacement for each raid level.
(This option only applies to \fBraid*\fP LV types.)
.
.HP
@@ -766,7 +764,7 @@ Also see
.IR Number
.br
Specifies the number of stripes in a striped LV. This is the number of
-physical volumes (devices) across which to spread a striped LV. Data that
+physical volumes (devices) a striped LV is spread across. Data that
appears sequential in the LV is spread (striped) across multiple devices
in units of the stripe size (see below). This does not apply to existing
allocated space, only newly allocated space can be striped.
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