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raid_manip: fix wrong image size allocation on raid10 "lvconvert --replace ..."

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This commit is contained in:
Heinz Mauelshagen 2015-10-02 17:09:37 +02:00
parent fb957ef322
commit b33d7586e7
1 changed files with 6 additions and 3 deletions
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9
lib/metadata/raid_manip.c
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@ -460,9 +460,12 @@ static int _alloc_image_components(struct logical_volume *lv,
* individual devies, we must specify how large the individual device
* is along with the number we want ('count').
*/
extents = (segtype->parity_devs) ?
(lv->le_count / (seg->area_count - segtype->parity_devs)) :
lv->le_count;
if (segtype_is_raid10(segtype))
extents = lv->le_count / (seg->area_count / 2); /* we enforce 2 mirrors right now */
else
extents = (segtype->parity_devs) ?
(lv->le_count / (seg->area_count - segtype->parity_devs)) :
lv->le_count;
if (!(ah = allocate_extents(lv->vg, NULL, segtype, 0, count, count,
region_size, extents, pvs,