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Update vgsplit to only restrict split with active LVs involved in split.

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Existing code will reject a vgsplit if any LVs in the source VG are active.
This patch updates vgsplit to only check LVs involved in the split.
This commit is contained in:
Dave Wysochanski 2008-04-10 21:34:53 +00:00
parent 5ca6698f12
commit c5421d1554
1 changed files with 17 additions and 15 deletions
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32
tools/vgsplit.c
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@ -93,7 +93,7 @@ static int _lv_is_in_vg(struct volume_group *vg, struct logical_volume *lv)
return 0;
}
static void _move_one_lv(struct volume_group *vg_from,
static int _move_one_lv(struct volume_group *vg_from,
struct volume_group *vg_to,
struct list *lvh)
{
@ -101,6 +101,11 @@ static void _move_one_lv(struct volume_group *vg_from,
list_move(&vg_to->lvs, lvh);
if (lv_is_active(lv)) {
log_error("Logical volume \"%s\" must be inactive", lv->name);
return 0;
}
if (lv->status & SNAPSHOT) {
vg_from->snapshot_count--;
vg_to->snapshot_count++;
@ -108,6 +113,7 @@ static void _move_one_lv(struct volume_group *vg_from,
vg_from->lv_count--;
vg_to->lv_count++;
}
return 1;
}
static int _move_lvs(struct volume_group *vg_from, struct volume_group *vg_to)
@ -168,7 +174,8 @@ static int _move_lvs(struct volume_group *vg_from, struct volume_group *vg_to)
continue;
/* Move this LV */
_move_one_lv(vg_from, vg_to, lvh);
if (!_move_one_lv(vg_from, vg_to, lvh))
return 0;
}
/* FIXME Ensure no LVs contain segs pointing at LVs in the other VG */
@ -212,8 +219,10 @@ static int _move_snapshots(struct volume_group *vg_from,
* in vg_to.
*/
if (_lv_is_in_vg(vg_to, seg->cow) &&
_lv_is_in_vg(vg_to, seg->origin))
_move_one_lv(vg_from, vg_to, lvh);
_lv_is_in_vg(vg_to, seg->origin)) {
if (!_move_one_lv(vg_from, vg_to, lvh))
return 0;
}
}
}
@ -252,8 +261,10 @@ static int _move_mirrors(struct volume_group *vg_from,
return 0;
}
if (seg_in == seg->area_count && log_in)
_move_one_lv(vg_from, vg_to, lvh);
if (seg_in == seg->area_count && log_in) {
if (!_move_one_lv(vg_from, vg_to, lvh))
return 0;
}
}
return 1;
@ -277,7 +288,6 @@ int vgsplit(struct cmd_context *cmd, int argc, char **argv)
char *vg_name_from, *vg_name_to;
struct volume_group *vg_to, *vg_from;
int opt;
int active;
int existing_vg;
int consistent;
const char *lv_name;
@ -316,14 +326,6 @@ int vgsplit(struct cmd_context *cmd, int argc, char **argv)
CORRECT_INCONSISTENT | FAIL_INCONSISTENT)))
return ECMD_FAILED;
if ((active = lvs_in_vg_activated(vg_from))) {
/* FIXME Remove this restriction */
log_error("Logical volumes in \"%s\" must be inactive",
vg_name_from);
unlock_vg(cmd, vg_name_from);
return ECMD_FAILED;
}
log_verbose("Checking for new volume group \"%s\"", vg_name_to);
if (!lock_vol(cmd, vg_name_to, LCK_VG_WRITE | LCK_NONBLOCK)) {
log_error("Can't get lock for %s", vg_name_to);