shaba/lvm2
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Code Releases Activity

allow a mirror to contain only one mimage

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This commit is contained in:
Alasdair Kergon 2008-01-16 19:18:51 +00:00
parent c014417c46
commit 876003dc44
3 changed files with 13 additions and 1 deletions
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7
lib/activate/activate.c
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@ -508,6 +508,13 @@ int lv_mirror_percent(struct cmd_context *cmd, struct logical_volume *lv,
struct dev_manager *dm;
struct lvinfo info;
/* If mirrored LV is temporarily shrinked to 1 area (= linear),
* it should be considered in-sync. */
if (list_size(&lv->segments) == 1 && first_seg(lv)->area_count == 1) {
*percent = 100.0;
return 1;
}
if (!activation())
return 0;

2
lib/metadata/mirror.c
View File

@ -956,7 +956,7 @@ float copy_percent(struct logical_volume *lv_mirr)
list_iterate_items(seg, &lv_mirr->segments) {
denominator += seg->area_len;
if (seg_is_mirrored(seg))
if (seg_is_mirrored(seg) && seg->area_count > 1)
numerator += seg->extents_copied;
else
numerator += seg->area_len;

5
lib/mirror/mirrored.c
View File

@ -283,6 +283,11 @@ static int _mirrored_add_target_line(struct dev_manager *dm, struct dm_pool *mem
mirr_state = *target_state;
/* Mirror segment could have only 1 area temporarily,
* if the segment is under conversion. */
if (seg->area_count == 1)
mirror_status = MIRR_DISABLED;
/*
* For pvmove, only have one mirror segment RUNNING at once.
* Segments before this are COMPLETED and use 2nd area.