Patch name: lvm-add-redundant-log-type.patch
Now it is trivial to add the 'redundant' mirror log.
RFC: Jonathan Brassow <jbrassow@xxxxxxxxxx>
Index: LVM2/tools/commands.h
===================================================================
--- LVM2.orig/tools/commands.h
+++ LVM2/tools/commands.h
@@ -95,7 +95,7 @@ xx(lvconvert,
"Change logical volume layout",
0,
"lvconvert "
- "[-m|--mirrors Mirrors [{--mirrorlog {disk|core}|--corelog}]]\n"
+ "[-m|--mirrors Mirrors [{--mirrorlog {disk|core|redundant}|--corelog}]]\n"
"\t[--repair [--use-policies]]\n"
"\t[-R|--regionsize MirrorLogRegionSize]\n"
"\t[--alloc AllocationPolicy]\n"
@@ -139,7 +139,7 @@ xx(lvcreate,
"\t{-l|--extents LogicalExtentsNumber |\n"
"\t -L|--size LogicalVolumeSize[bBsSkKmMgGtTpPeE]}\n"
"\t[-M|--persistent {y|n}] [--major major] [--minor minor]\n"
- "\t[-m|--mirrors Mirrors [--nosync] [{--mirrorlog {disk|core}|--corelog}]]\n"
+ "\t[-m|--mirrors Mirrors [--nosync] [{--mirrorlog {disk|core|redundant}|--corelog}]]\n"
"\t[-n|--name LogicalVolumeName]\n"
"\t[--noudevsync]\n"
"\t[-p|--permission {r|rw}]\n"
Index: LVM2/tools/lvconvert.c
===================================================================
--- LVM2.orig/tools/lvconvert.c
+++ LVM2/tools/lvconvert.c
@@ -624,7 +624,9 @@ static int _lvconvert_mirrors(struct cmd
return 0;
}
- if (!strcmp("disk", mirrorlog))
+ if (!strcmp("redundant", mirrorlog))
+ log_count = 2;
+ else if (!strcmp("disk", mirrorlog))
log_count = 1;
else if (!strcmp("core", mirrorlog))
log_count = 0;
Index: LVM2/tools/lvcreate.c
===================================================================
--- LVM2.orig/tools/lvcreate.c
+++ LVM2/tools/lvcreate.c
@@ -342,7 +342,9 @@ static int _read_mirror_params(struct lv
return 0;
}
- if (!strcmp("disk", mirrorlog))
+ if (!strcmp("redundant", mirrorlog))
+ lp->log_count = 2;
+ else if (!strcmp("disk", mirrorlog))
lp->log_count = 1;
else if (!strcmp("core", mirrorlog))
lp->log_count = 0;
--
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