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Bug 1583658 - UDisks reports wrong thinpool size
Summary: UDisks reports wrong thinpool size
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: udisks2
Version: 7.5
Hardware: x86_64
OS: Linux
unspecified
high
Target Milestone: rc
: ---
Assignee: Vojtech Trefny
QA Contact: xhe@redhat.com
URL:
Whiteboard:
Depends On: 1534904
Blocks: 1583663
TreeView+ depends on / blocked
 
Reported: 2018-05-29 12:29 UTC by xhe@redhat.com
Modified: 2021-09-06 12:33 UTC (History)
5 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of: 1534904
: 1583663 (view as bug list)
Environment:
Last Closed: 2018-06-04 06:57:32 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2018:0868 0 None None None 2018-05-29 12:29:29 UTC

Comment 2 xhe@redhat.com 2018-05-29 12:36:53 UTC 
I reopen current issue to Fedora. 
https://bugzilla.redhat.com/show_bug.cgi?id=1583663
Comment 4 xhe@redhat.com 2018-05-30 02:31:35 UTC 
On the latest2.7.3-6, the two thinpool size are still NOT equal, filed this bug for it. 

Another issue: the unexpected 't' in front of 37748736 is confusion in busctl size here. Is it possible the 't' could be removed from the busctl output?

My Test Details:
----------------
# lsblk -b
NAME                        MAJ:MIN RM         SIZE RO TYPE MOUNTPOINT
loop0                         7:0    0   2097152000  0 loop 
└─loop0p1                   259:0    0    104857600  0 loop 
  ├─test-tpool_tmeta        253:3    0      4194304  0 lvm  
  │ └─test-tpool            253:5    0     33554432  0 lvm   <--- size
  └─test-tpool_tdata        253:4    0     33554432  0 lvm  
    └─test-tpool            253:5    0     33554432  0 lvm  

# busctl get-property org.freedesktop.UDisks2 /org/freedesktop/UDisks2/lvm/test/tpool org.freedesktop.UDisks2.LogicalVolume Size
t 37748736        <--- see here, it does NOT equal 33554432

# rpm -qa|grep udisks2
udisks2-2.7.3-6.el7.x86_64
udisks2-lvm2-2.7.3-6.el7.x86_64
libudisks2-2.7.3-6.el7.x86_64

# cat /etc/redhat-release 
Red Hat Enterprise Linux Server release 7.5 (Maipo)

# uname -r
3.10.0-862.el7.x86_64
Comment 5 Vojtech Trefny 2018-06-04 06:57:32 UTC 
UDisks reports size of the thinpools including the metadata size (API docs: http://storaged.org/doc/udisks2-api/latest/gdbus-org.freedesktop.UDisks2.LogicalVolume.html#gdbus-property-org-freedesktop-UDisks2-LogicalVolume.Size).

So for lsblk output you need to use size of both "test-tpool_tmeta" (4194304) and "test-tpool_tdata" (33554432).
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