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RAID: Do not allow --splitmirrors on RAID10 logical volumes.

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RAID10 does not have the ability to split off images for independent
use.  So, 'lvconvert --splitmirrors' will not work and must be
disallowed.
This commit is contained in:
Jonathan Brassow 2012-11-21 18:39:26 -06:00
parent 400f644286
commit fb0cee9a66
2 changed files with 3 additions and 1 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.99 -
===================================
Do not allow --splitmirrors on RAID10 logical volumes.
Skip mlocking [vectors] on arm architecture.
Support allocation of pool metadata with lvconvert command.
Move common functionality for thin lvcreate and lvconvert to toollib.

3
lib/metadata/raid_manip.c
View File

@ -1152,7 +1152,8 @@ int lv_raid_split(struct logical_volume *lv, const char *split_name,
return 0;
}
if (!seg_is_mirrored(first_seg(lv))) {
if (!seg_is_mirrored(first_seg(lv)) ||
!strcmp(first_seg(lv)->segtype->name, "raid10")) {
log_error("Unable to split logical volume of segment type, %s",
first_seg(lv)->segtype->ops->name(first_seg(lv)));
return 0;