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Bug #12695

closed

rbd flatten makes clone's snap crash

Added by science luo over 8 years ago. Updated over 8 years ago.

Status:
Closed
Priority:
High
Assignee:
Ilya Dryomov
Category:
-
Target version:
-
% Done:

0%

Source:
other
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
Ceph - v0.94.2
ceph-qa-suite:
Crash signature (v1):
Crash signature (v2):

Description

ceph version:0.94.2

cluster:3 nodes,each node has 10 OSDs and 1 mon.

Operation?

(1)rbd create img1 --size 256 --image-format 2

(2)rbd map img1 ---to-->/dev/rbd1

(3)mkfs.xfs /dev/rbd1

(4)rbd unmap /dev/rbd1

(5)rbd snap create img1@snap_img1

(6)rbd snap protect img1@snap_img1

(7)rbd clone img1@snap_img1 clone1_img1

(8)rbd snap create clone1_img1@snap_clone1

(9)rbd map clone1_img1@snap_clone1 ---to--->/dev/rbd1

(10)mount -o ro /dev/rbd1 /mnt (success!)

(11)umount /dev/rbd1

(12)rbd unmap /dev/rbd1

(13)rbd flatten clone1_img1

(14)rbd map clone1_img1@snap_clone1 ---to--->/dev/rbd1

(15)mount o ro /dev/rbd1 /mnt (failed!) -> mount: unknown filesystem type '(null)'

Files

rbd.c (137 KB) rbd.c science luo, 09/17/2015 08:36 AM
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