Comment 11 for bug 1432062
Revision history for this message
| Mauricio Faria de Oliveira (mfo) wrote | #11 |
© 2004
Canonical Ltd.
•
Terms of use
•
Data privacy
•
Contact Launchpad Support
•
Blog
•
Careers
•
System status
•
0e1f616
(Get the code!)
Test with multipath device:
=======
# multipath
create: 0QEMU QEMU HARDDISK test undef QEMU ,QEMU HARDDISK
size=2.0G features='0' hwhandler='0' wp=undef
`-+- policy='round-robin 0' prio=1 status=undef
`- 0:0:1:0 sdb 8:16 undef ready running
# ls -l /dev/mapper/
total 0
brw-rw---- 1 root disk 252, 1 Jan 7 10:31 0QEMU QEMU HARDDISK test
lrwxrwxrwx 1 root root 7 Jan 7 10:31 0QEMU\x20\
crw------- 1 root root 10, 236 Jan 7 09:00 control
Without patch:
-------------
# kpartx -av '/dev/mapper/0QEMU QEMU HARDDISK test'
device-mapper: reload ioctl on 0QEMU\x20\
create/reload failed on 0QEMU QEMU HARDDISK test1
add map 0QEMU QEMU HARDDISK test1 (0:0): 0 4194242 linear /dev/mapper/0QEMU QEMU HARDDISK test 62
# ls -l /dev/mapper
total 0
brw-rw---- 1 root disk 252, 1 Jan 7 10:31 0QEMU QEMU HARDDISK test
lrwxrwxrwx 1 root root 7 Jan 7 10:31 0QEMU\x20\
crw------- 1 root root 10, 236 Jan 7 09:00 control
With patch:
----------
# kpartx -av '/dev/mapper/
add map 0QEMU QEMU HARDDISK test1 (252:5): 0 4194242 linear /dev/mapper/
# ls -l /dev/mapper/
total 0
brw-rw---- 1 root disk 252, 1 Jan 7 10:31 0QEMU QEMU HARDDISK test
lrwxrwxrwx 1 root root 7 Jan 7 10:31 0QEMU\x20\
brw-rw---- 1 root disk 252, 5 Jan 7 10:32 0QEMU\x20\
crw------- 1 root root 10, 236 Jan 7 09:00 control
# kpartx -dv '/dev/mapper/
del devmap : 0QEMU QEMU HARDDISK test1
# ls -l /dev/mapper/
total 0
brw-rw---- 1 root disk 252, 1 Jan 7 10:31 0QEMU QEMU HARDDISK test
lrwxrwxrwx 1 root root 7 Jan 7 10:31 0QEMU\x20\
crw------- 1 root root 10, 236 Jan 7 09:00 control