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Bug #19347
closedcannot find /dev/nbd0 by using lsblk when map an image with size = 0
Status:
Won't Fix
Priority:
Normal
Assignee:
-
Target version:
-
% Done:
0%
Source:
Tags:
Backport:
Regression:
No
Severity:
3 - minor
Reviewed:
Affected Versions:
ceph-qa-suite:
Pull request ID:
Crash signature (v1):
Crash signature (v2):
Description
1)rbd allows the user to create an image with size zero:
rbd create image --size 0
2) then, rbd-nbd map image, it displayed:
/dev/nbd0
3) I could successfully list it by using rbd-nbd list-mapped:
id device pool image mon_host
0 /dev/nbd0 rbd image1 DEFAULT
4) When I use lsblk, we cannot find it.
According to this, rbd-nbd shouldn't allow to map an image with size zero.
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