[linux-lvm] I can't have the mirror_log mirrored, LVM complains "there is no suitable space"
Alessandro MACUZ
alessandro.macuz at gmail.com
Thu Jul 4 14:27:51 UTC 2013
2013/7/4 Alessandro MACUZ <alessandro.macuz at gmail.com>
> 2013/7/4 Alasdair G Kergon <agk at redhat.com>
>
>> On Tue, Jul 02, 2013 at 02:14:01AM +0200, Alessandro MACUZ wrote:
>> > Why "*lvconvert -i 5 -m1 --mirrorlog mirrored /dev/lvgrptstnlvm/root
>> > /dev/sdb1*" doesn't work whereas
>> > "*lvconvert -m1 /dev/lvgrptstnlvm/root /dev/sdb1*" does? The space to be
>> > allocated differs by just one PE.
>>
>> Exactly which version of lvm2 are you using?
>> Is it 2.02.97 or later? If not, you should try a newer version.
>> To debug, you then need to run the command with -vvvv added to the command
>> line. Post a link to this output if you want others to look.
>
>
I downloaded
https://git.fedorahosted.org/cgit/lvm2.git/snapshot/lvm2-2_02_98.tar.gz and
compiled/installed via
./configure
make
make install
on top of a Knoppix Live DVD
No errors in compiling and installing it.
Unfortunately I get the same error. This is the output of LVM2 2.02.98
command:
root at Microknoppix:/tmp/lvm2-2_02_98# lvs -a -o+devices
LV VG Attr LSize Pool Origin Data% Move Log Copy%
Convert Devices
root lvgrptstnlvm -wi-a---- 6.00g
/dev/sda1(0)
root at Microknoppix:/tmp/lvm2-2_02_98# lvconvert -vvv -m1 --mirrorlog
mirrored --alloc normal /dev/lvgrptstnlvm/root /dev/sdb1
Setting activation/monitoring to 0
Processing: lvconvert -vvv -m1 --mirrorlog mirrored --alloc normal
/dev/lvgrptstnlvm/root /dev/sdb1
O_DIRECT will be used
Setting global/locking_type to 1
Setting global/wait_for_locks to 1
File-based locking selected.
Setting global/locking_dir to /run/lock/lvm
Setting global/prioritise_write_locks to 1
Setting activation/mirror_region_size to 512
Getting target version for mirror
dm version OF [16384] (*1)
dm versions OF [16384] (*1)
Found mirror target v1.12.1.
Getting target version for mirror
dm versions OF [16384] (*1)
Found mirror target v1.12.1.
Locking /run/lock/lvm/V_lvgrptstnlvm WB
_do_flock /run/lock/lvm/V_lvgrptstnlvm:aux WB
_do_flock /run/lock/lvm/V_lvgrptstnlvm WB
_undo_flock /run/lock/lvm/V_lvgrptstnlvm:aux
Opened /dev/ram0 RO O_DIRECT
/dev/ram0: block size is 4096 bytes
/dev/ram0: No label detected
Closed /dev/ram0
dm status (252:0) OF [16384] (*1)
/dev/lvgrptstnlvm/root_mlog_mimage_0: Reserved internal LV device
lvgrptstnlvm/root_mlog_mimage_0 not usable.
/dev/lvgrptstnlvm/root_mlog_mimage_0: Skipping unusable device
Opened /dev/ram RO O_DIRECT
/dev/ram: block size is 4096 bytes
/dev/ram: No label detected
Closed /dev/ram
Opened /dev/sda1 RO O_DIRECT
/dev/sda1: block size is 4096 bytes
/dev/sda1: lvm2 label detected at sector 1
lvmcache: /dev/sda1: now in VG #orphans_lvm2 (#orphans_lvm2) with 0
mdas
/dev/sda1: Found metadata at 67584 size 1470 (in area at 4096 size
192512) for lvgrptstnlvm (DxeZ11-9H0a-LSu7-DzkC-21nf-qolp-4rPTBp)
lvmcache: /dev/sda1: now in VG lvgrptstnlvm with 1 mdas
lvmcache: /dev/sda1: setting lvgrptstnlvm VGID to
DxeZ119H0aLSu7DzkC21nfqolp4rPTBp
lvmcache: /dev/sda1: VG lvgrptstnlvm: Set creation host to
Microknoppix.
dm status (252:1) OF [16384] (*1)
/dev/lvgrptstnlvm/root_mlog_mimage_1: Reserved internal LV device
lvgrptstnlvm/root_mlog_mimage_1 not usable.
/dev/lvgrptstnlvm/root_mlog_mimage_1: Skipping unusable device
Opened /dev/ram2 RO O_DIRECT
/dev/ram2: block size is 4096 bytes
/dev/ram2: No label detected
Closed /dev/ram2
dm status (252:2) OF [16384] (*1)
/dev/dm-2: Skipping unusable device
Opened /dev/ram3 RO O_DIRECT
/dev/ram3: block size is 4096 bytes
/dev/ram3: No label detected
Closed /dev/ram3
dm status (252:3) OF [16384] (*1)
/dev/dm-3: Skipping unusable device
Opened /dev/ram4 RO O_DIRECT
/dev/ram4: block size is 4096 bytes
/dev/ram4: No label detected
Closed /dev/ram4
dm status (252:4) OF [16384] (*1)
/dev/dm-4: Skipping unusable device
Opened /dev/ram5 RO O_DIRECT
/dev/ram5: block size is 4096 bytes
/dev/ram5: No label detected
Closed /dev/ram5
dm status (252:5) OF [16384] (*1)
Opened /dev/lvgrptstnlvm/root RO O_DIRECT
/dev/lvgrptstnlvm/root: size is 12582912 sectors
Closed /dev/lvgrptstnlvm/root
/dev/lvgrptstnlvm/root: size is 12582912 sectors
Opened /dev/lvgrptstnlvm/root RO O_DIRECT
/dev/lvgrptstnlvm/root: block size is 4096 bytes
Closed /dev/lvgrptstnlvm/root
Using /dev/lvgrptstnlvm/root
Opened /dev/lvgrptstnlvm/root RO O_DIRECT
/dev/lvgrptstnlvm/root: block size is 4096 bytes
/dev/lvgrptstnlvm/root: No label detected
Closed /dev/lvgrptstnlvm/root
Opened /dev/ram6 RO O_DIRECT
/dev/ram6: block size is 4096 bytes
/dev/ram6: No label detected
Closed /dev/ram6
Opened /dev/ram7 RO O_DIRECT
/dev/ram7: block size is 4096 bytes
/dev/ram7: No label detected
Closed /dev/ram7
Opened /dev/ram8 RO O_DIRECT
/dev/ram8: block size is 4096 bytes
/dev/ram8: No label detected
Closed /dev/ram8
Opened /dev/ram9 RO O_DIRECT
/dev/ram9: block size is 4096 bytes
/dev/ram9: No label detected
Closed /dev/ram9
Opened /dev/ram10 RO O_DIRECT
/dev/ram10: block size is 4096 bytes
/dev/ram10: No label detected
Closed /dev/ram10
Opened /dev/ram11 RO O_DIRECT
/dev/ram11: block size is 4096 bytes
/dev/ram11: No label detected
Closed /dev/ram11
Opened /dev/ram12 RO O_DIRECT
/dev/ram12: block size is 4096 bytes
/dev/ram12: No label detected
Closed /dev/ram12
Opened /dev/ram13 RO O_DIRECT
/dev/ram13: block size is 4096 bytes
/dev/ram13: No label detected
Closed /dev/ram13
Opened /dev/ram14 RO O_DIRECT
/dev/ram14: block size is 4096 bytes
/dev/ram14: No label detected
Closed /dev/ram14
Opened /dev/ram15 RO O_DIRECT
/dev/ram15: block size is 4096 bytes
/dev/ram15: No label detected
Closed /dev/ram15
Opened /dev/sdb1 RO O_DIRECT
/dev/sdb1: block size is 4096 bytes
/dev/sdb1: lvm2 label detected at sector 1
lvmcache: /dev/sdb1: now in VG #orphans_lvm2 (#orphans_lvm2) with 0
mdas
/dev/sdb1: Found metadata at 31232 size 1470 (in area at 4096 size
520192) for lvgrptstnlvm (DxeZ11-9H0a-LSu7-DzkC-21nf-qolp-4rPTBp)
lvmcache: /dev/sdb1: now in VG lvgrptstnlvm
(DxeZ119H0aLSu7DzkC21nfqolp4rPTBp) with 1 mdas
Opened /dev/sdb2 RO O_DIRECT
/dev/sdb2: block size is 4096 bytes
/dev/sdb2: lvm2 label detected at sector 1
lvmcache: /dev/sdb2: now in VG #orphans_lvm2 (#orphans_lvm2) with 0
mdas
/dev/sdb2: Found metadata at 29696 size 1470 (in area at 4096 size
1044480) for lvgrptstnlvm (DxeZ11-9H0a-LSu7-DzkC-21nf-qolp-4rPTBp)
lvmcache: /dev/sdb2: now in VG lvgrptstnlvm
(DxeZ119H0aLSu7DzkC21nfqolp4rPTBp) with 1 mdas
Opened /dev/sdc RO O_DIRECT
/dev/sdc: block size is 4096 bytes
/dev/sdc: lvm2 label detected at sector 1
lvmcache: /dev/sdc: now in VG #orphans_lvm2 (#orphans_lvm2) with 0
mdas
/dev/sdc: Found metadata at 28160 size 1470 (in area at 4096 size
1044480) for lvgrptstnlvm (DxeZ11-9H0a-LSu7-DzkC-21nf-qolp-4rPTBp)
lvmcache: /dev/sdc: now in VG lvgrptstnlvm
(DxeZ119H0aLSu7DzkC21nfqolp4rPTBp) with 1 mdas
Using cached label for /dev/sda1
Using cached label for /dev/sdb1
Using cached label for /dev/sdb2
Using cached label for /dev/sdc
Allocated VG lvgrptstnlvm at 0x8194c58.
Using cached label for /dev/sda1
Using cached label for /dev/sdb1
Using cached label for /dev/sdb2
Using cached label for /dev/sdc
Read lvgrptstnlvm metadata (119) from /dev/sda1 at 67584 size 1470
Allocated VG lvgrptstnlvm at 0x8198c60.
Using cached label for /dev/sda1
Using cached label for /dev/sdb1
Using cached label for /dev/sdb2
Using cached label for /dev/sdc
Read lvgrptstnlvm metadata (119) from /dev/sdb1 at 31232 size 1470
Freeing VG lvgrptstnlvm at 0x8198c60.
Allocated VG lvgrptstnlvm at 0x8198c60.
Using cached label for /dev/sda1
Using cached label for /dev/sdb1
Using cached label for /dev/sdb2
Using cached label for /dev/sdc
Read lvgrptstnlvm metadata (119) from /dev/sdb2 at 29696 size 1470
Freeing VG lvgrptstnlvm at 0x8198c60.
Allocated VG lvgrptstnlvm at 0x8198c60.
Using cached label for /dev/sda1
Using cached label for /dev/sdb1
Using cached label for /dev/sdb2
Using cached label for /dev/sdc
Read lvgrptstnlvm metadata (119) from /dev/sdc at 28160 size 1470
Freeing VG lvgrptstnlvm at 0x8198c60.
/dev/sda1 0: 0 1536: root(0:0)
/dev/sda1 1: 1536 767: NULL(0:0)
/dev/sdb1 0: 0 2271: NULL(0:0)
/dev/sdb2 0: 0 31: NULL(0:0)
/dev/sdc 0: 0 7: NULL(0:0)
Adding PE range: start PE 0 length 2271 on /dev/sdb1
Archiving volume group "lvgrptstnlvm" metadata (seqno 119).
Adjusting mirror image count of root
Setting logging type to mirrored
allocation/mirror_logs_require_separate_pvs not found in config:
defaulting to 0
allocation/maximise_cling not found in config: defaulting to 1
Allowing allocation on /dev/sdb1 start PE 0 length 2271
Parallel PVs at LE 0 length 1536: /dev/sda1
Trying allocation using contiguous policy.
Still need 1538 total extents:
1 (1 data/0 parity) parallel areas of 1536 extents each
2 mirror logs of 1 extents each
Considering allocation area 0 as /dev/sdb1 start PE 0 length 1536
leaving 735.
Trying allocation using cling policy.
Cling_to_allocated is set
Still need 1538 total extents:
1 (1 data/0 parity) parallel areas of 1536 extents each
2 mirror logs of 1 extents each
Trying allocation using normal policy.
Cling_to_allocated is set
Still need 1538 total extents:
1 (1 data/0 parity) parallel areas of 1536 extents each
2 mirror logs of 1 extents each
Cling_to_allocated is not set
Still need 1538 total extents:
1 (1 data/0 parity) parallel areas of 1536 extents each
2 mirror logs of 1 extents each
Considering allocation area 0 as /dev/sdb1 start PE 0 length 1536
leaving 735.
Found 1 areas for 1 parallel areas and 2 log areas so far.
Considering allocation area 1 as /dev/sdb1 start PE 0 length 735
leaving 0.
Insufficient suitable allocatable extents for logical volume : 1536 more
required
Unable to allocate extents for mirror(s).
Unlock: Memlock counters: locked:0 critical:0 daemon:0 suspended:0
Syncing device names
Unlocking /run/lock/lvm/V_lvgrptstnlvm
_undo_flock /run/lock/lvm/V_lvgrptstnlvm
Closed /dev/sda1
Closed /dev/sdb1
Closed /dev/sdb2
Closed /dev/sdc
Freeing VG lvgrptstnlvm at 0x8194c58.
root at Microknoppix:/tmp/lvm2-2_02_98#
Alex
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