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lvchange: improve refresh for merging thin volume

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When running lvchange --refresh on merging thin volume,
try to deactivate snapshot thinLV in case it's preventing
startup of merge process.
This commit is contained in:
Zdenek Kabelac 2016-04-18 22:44:30 +02:00
parent 7e5881dd13
commit 88c19d5d72
2 changed files with 11 additions and 0 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.151 - Version 2.02.151 -
================================= =================================
lvchange --refresh for merging thin origin will retry to deactivate snapshot.
Recognize in-progress snapshot merge for thin volumes from dm table. Recognize in-progress snapshot merge for thin volumes from dm table.
Avoid deciding to initiate a pending snapshot merge during resume. Avoid deciding to initiate a pending snapshot merge during resume.
Improve retrying lvmetad requests while lvmetad is being updated. Improve retrying lvmetad requests while lvmetad is being updated.

10
tools/toollib.c
View File

@ -1080,6 +1080,16 @@ int lv_change_activate(struct cmd_context *cmd, struct logical_volume *lv,
int lv_refresh(struct cmd_context *cmd, struct logical_volume *lv) int lv_refresh(struct cmd_context *cmd, struct logical_volume *lv)
{ {
struct logical_volume *snapshot_lv;
if (lv_is_merging_origin(lv)) {
snapshot_lv = find_snapshot(lv)->lv;
if (lv_is_thin_type(snapshot_lv) && !deactivate_lv(cmd, snapshot_lv))
log_print_unless_silent("Delaying merge for origin volume %s since "
"snapshot volume %s is still active.",
display_lvname(lv), display_lvname(snapshot_lv));
}
if (!lv_refresh_suspend_resume(cmd, lv)) if (!lv_refresh_suspend_resume(cmd, lv))
return_0; return_0;