* [linux-lvm] mirroring an LV?
@ 2008-08-17 4:54 Gordon McLellan
2008-08-17 17:16 ` malahal
0 siblings, 1 reply; 3+ messages in thread
From: Gordon McLellan @ 2008-08-17 4:54 UTC (permalink / raw)
To: LVM general discussion and development
I'm pulling my hair out trying to setup a mirrored logical volume.
lvconvert tells me I don't have enough free space, even though I have
hundreds of gigabytes free on both physical volumes.
Command: lvconvert -m1 /dev/vg1/iscsi_deeds_data
Insufficient suitable allocatable extents for logical volume : 10240
more required
Any ideas?
Thanks!,
Gordon
Here's the output from the lvconvert with verbose and debugging turned on:
# lvconvert -vvv -d -m1 /dev/vg1/iscsi_deeds_data
Processing: lvconvert -vvv -d -m1 /dev/vg1/iscsi_deeds_data
O_DIRECT will be used
Setting global/locking_type to 1
File-based locking selected.
Setting global/locking_dir to /var/lock/lvm
Setting activation/mirror_region_size to 512
Getting target version for linear
dm version OF [16384]
dm versions OF [16384]
Getting target version for striped
dm versions OF [16384]
Checking for existing volume group "vg1"
Locking /var/lock/lvm/V_vg1 WB
/dev/ramdisk: Not using O_DIRECT
Opened /dev/ramdisk RW
/dev/ramdisk: block size is 1024 bytes
/dev/ramdisk: No label detected
Closed /dev/ramdisk
Opened /dev/md0 RW O_DIRECT
/dev/md0: block size is 1024 bytes
/dev/md0: No label detected
Closed /dev/md0
Opened /dev/root RW O_DIRECT
/dev/root: block size is 4096 bytes
/dev/root: No label detected
Closed /dev/root
/dev/ram: Not using O_DIRECT
Opened /dev/ram RW
/dev/ram: block size is 1024 bytes
/dev/ram: No label detected
Closed /dev/ram
Opened /dev/md1 RW O_DIRECT
/dev/md1: block size is 4096 bytes
/dev/md1: No label detected
Closed /dev/md1
Opened /dev/dm-1 RW O_DIRECT
/dev/dm-1: block size is 4096 bytes
/dev/dm-1: No label detected
Closed /dev/dm-1
/dev/ram2: Not using O_DIRECT
Opened /dev/ram2 RW
/dev/ram2: block size is 1024 bytes
/dev/ram2: No label detected
Closed /dev/ram2
Opened /dev/md2 RW O_DIRECT
/dev/md2: block size is 4096 bytes
/dev/md2: lvm2 label detected
lvmcache: /dev/md2: now orphaned
/dev/md2: Found metadata at 8192 size 872 for vg0
(lRcg12-Pt0L-NYUv-zJfF-GT62-UKnP-VmhtD0)
lvmcache: /dev/md2: now in VG vg0
lvmcache: /dev/md2: setting vg0 VGID to lRcg12Pt0LNYUvzJfFGT62UKnPVmhtD0
lvmcache: /dev/md2: VG vg0: Set creation host to incognito.mcch.org.
Closed /dev/md2
Opened /dev/dm-2 RW O_DIRECT
/dev/dm-2: block size is 4096 bytes
/dev/dm-2: No label detected
Closed /dev/dm-2
/dev/ram3: Not using O_DIRECT
Opened /dev/ram3 RW
/dev/ram3: block size is 1024 bytes
/dev/ram3: No label detected
Closed /dev/ram3
Opened /dev/dm-3 RW O_DIRECT
/dev/dm-3: block size is 4096 bytes
/dev/dm-3: No label detected
Closed /dev/dm-3
/dev/ram4: Not using O_DIRECT
Opened /dev/ram4 RW
/dev/ram4: block size is 1024 bytes
/dev/ram4: No label detected
Closed /dev/ram4
Opened /dev/sda4 RW O_DIRECT
/dev/sda4: block size is 512 bytes
/dev/sda4: lvm2 label detected
lvmcache: /dev/sda4: now orphaned
/dev/sda4: Found metadata at 18432 size 1715 for vg1
(rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA)
lvmcache: /dev/sda4: now in VG vg1
lvmcache: /dev/sda4: setting vg1 VGID to
rthUcYKiTwzqwYWgg7rG54wTmZUYY6zA
lvmcache: /dev/sda4: VG vg1: Set creation host to incognito.mcch.org.
/dev/ram5: Not using O_DIRECT
Opened /dev/ram5 RW
/dev/ram5: block size is 1024 bytes
/dev/ram5: No label detected
Closed /dev/ram5
/dev/ram6: Not using O_DIRECT
Opened /dev/ram6 RW
/dev/ram6: block size is 1024 bytes
/dev/ram6: No label detected
Closed /dev/ram6
/dev/ram7: Not using O_DIRECT
Opened /dev/ram7 RW
/dev/ram7: block size is 1024 bytes
/dev/ram7: No label detected
Closed /dev/ram7
/dev/ram8: Not using O_DIRECT
Opened /dev/ram8 RW
/dev/ram8: block size is 1024 bytes
/dev/ram8: No label detected
Closed /dev/ram8
/dev/ram9: Not using O_DIRECT
Opened /dev/ram9 RW
/dev/ram9: block size is 1024 bytes
/dev/ram9: No label detected
Closed /dev/ram9
/dev/ram10: Not using O_DIRECT
Opened /dev/ram10 RW
/dev/ram10: block size is 1024 bytes
/dev/ram10: No label detected
Closed /dev/ram10
/dev/ram11: Not using O_DIRECT
Opened /dev/ram11 RW
/dev/ram11: block size is 1024 bytes
/dev/ram11: No label detected
Closed /dev/ram11
/dev/ram12: Not using O_DIRECT
Opened /dev/ram12 RW
/dev/ram12: block size is 1024 bytes
/dev/ram12: No label detected
Closed /dev/ram12
/dev/ram13: Not using O_DIRECT
Opened /dev/ram13 RW
/dev/ram13: block size is 1024 bytes
/dev/ram13: No label detected
Closed /dev/ram13
/dev/ram14: Not using O_DIRECT
Opened /dev/ram14 RW
/dev/ram14: block size is 1024 bytes
/dev/ram14: No label detected
Closed /dev/ram14
/dev/ram15: Not using O_DIRECT
Opened /dev/ram15 RW
/dev/ram15: block size is 1024 bytes
/dev/ram15: No label detected
Closed /dev/ram15
Opened /dev/sdb4 RW O_DIRECT
/dev/sdb4: block size is 512 bytes
/dev/sdb4: lvm2 label detected
lvmcache: /dev/sdb4: now orphaned
/dev/sdb4: Found metadata at 4608 size 1715 for vg1
(rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA)
lvmcache: /dev/sdb4: now in VG vg1 (rthUcYKiTwzqwYWgg7rG54wTmZUYY6zA)
Opened /dev/sdc1 RW O_DIRECT
/dev/sdc1: block size is 1024 bytes
/dev/sdc1: No label detected
Closed /dev/sdc1
/dev/sda4: lvm2 label detected
/dev/sda4: Found metadata at 18432 size 1715 for vg1
(rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA)
/dev/sdb4: lvm2 label detected
/dev/sdb4: Found metadata at 4608 size 1715 for vg1
(rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA)
/dev/sda4: lvm2 label detected
/dev/sda4: Found metadata at 18432 size 1715 for vg1
(rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA)
/dev/sdb4: lvm2 label detected
/dev/sdb4: Found metadata at 4608 size 1715 for vg1
(rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA)
Read vg1 metadata (10) from /dev/sda4 at 18432 size 1715
/dev/sda4: lvm2 label detected
/dev/sda4: Found metadata at 18432 size 1715 for vg1
(rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA)
/dev/sdb4: lvm2 label detected
/dev/sdb4: Found metadata at 4608 size 1715 for vg1
(rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA)
Read vg1 metadata (10) from /dev/sdb4 at 4608 size 1715
/dev/sda4 0: 0 15360: virt(0:0)
/dev/sda4 1: 15360 10240: opadata(0:0)
/dev/sda4 2: 25600 10240: iscsi_deeds_data(0:0)
/dev/sda4 3: 35840 23040: virt(15360:0)
/dev/sda4 4: 58880 160513: NULL(0:0)
/dev/sdb4 0: 0 219393: NULL(0:0)
Archiving volume group "vg1" metadata (seqno 10).
Expiring archive /etc/lvm/archive/vg1_00005.vg
Allowing allocation on /dev/sda4 start PE 58880 length 160513
Allowing allocation on /dev/sdb4 start PE 0 length 219393
Parallel PVs at LE 0 length 10240: /dev/sda4
Insufficient suitable allocatable extents for logical volume : 10240
more required
Unlocking /var/lock/lvm/V_vg1
Closed /dev/sda4
Closed /dev/sdb4
Here's more of my lvm specs:
# pvdisplay -v
Scanning for physical volume names
--- Physical volume ---
PV Name /dev/sda4
VG Name vg1
PV Size 857.01 GB / not usable 1.97 MB
Allocatable yes
PE Size (KByte) 4096
Total PE 219393
Free PE 160513
Allocated PE 58880
PV UUID zLqW68-3oW4-Mi8H-P2ti-ltnG-WA0C-CRJS1e
--- Physical volume ---
PV Name /dev/sdb4
VG Name vg1
PV Size 857.01 GB / not usable 2.16 MB
Allocatable yes
PE Size (KByte) 4096
Total PE 219393
Free PE 219393
Allocated PE 0
PV UUID VuPgY3-kf7s-aFyO-2Nof-G2Sw-xkqN-kwjAnz
--- Physical volume ---
PV Name /dev/md2
VG Name vg0
PV Size 73.28 GB / not usable 29.88 MB
Allocatable yes
PE Size (KByte) 32768
Total PE 2344
Free PE 1844
Allocated PE 500
PV UUID tRNWez-5Yi4-ODco-2hIN-KD11-bsND-qEUxAk
# vgdisplay -v
Finding all volume groups
Finding volume group "vg1"
--- Volume group ---
VG Name vg1
System ID
Format lvm2
Metadata Areas 2
Metadata Sequence No 10
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 3
Open LV 2
Max PV 0
Cur PV 2
Act PV 2
VG Size 1.67 TB
PE Size 4.00 MB
Total PE 438786
Alloc PE / Size 58880 / 230.00 GB
Free PE / Size 379906 / 1.45 TB
VG UUID rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA
--- Logical volume ---
LV Name /dev/vg1/virt
VG Name vg1
LV UUID N47Gdi-hdHO-jH8a-oBgP-4zvp-q8Uf-zgAQc0
LV Write Access read/write
LV Status available
# open 0
LV Size 150.00 GB
Current LE 38400
Segments 2
Allocation inherit
Read ahead sectors 0
Block device 253:1
--- Logical volume ---
LV Name /dev/vg1/opadata
VG Name vg1
LV UUID NGL22V-JcPj-sLBf-CJaK-ps25-QCdz-EXfNK7
LV Write Access read/write
LV Status available
# open 1
LV Size 40.00 GB
Current LE 10240
Segments 1
Allocation contiguous
Read ahead sectors 0
Block device 253:2
--- Logical volume ---
LV Name /dev/vg1/iscsi_deeds_data
VG Name vg1
LV UUID WBwyFc-RJnp-z8Cl-hyjS-8AIT-psUc-nj64uS
LV Write Access read/write
LV Status available
# open 1
LV Size 40.00 GB
Current LE 10240
Segments 1
Allocation contiguous
Read ahead sectors 0
Block device 253:3
--- Physical volumes ---
PV Name /dev/sda4
PV UUID zLqW68-3oW4-Mi8H-P2ti-ltnG-WA0C-CRJS1e
PV Status allocatable
Total PE / Free PE 219393 / 160513
PV Name /dev/sdb4
PV UUID VuPgY3-kf7s-aFyO-2Nof-G2Sw-xkqN-kwjAnz
PV Status allocatable
Total PE / Free PE 219393 / 219393
Finding volume group "vg0"
--- Volume group ---
VG Name vg0
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 4
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 1
Max PV 0
Cur PV 1
Act PV 1
VG Size 73.25 GB
PE Size 32.00 MB
Total PE 2344
Alloc PE / Size 500 / 15.62 GB
Free PE / Size 1844 / 57.62 GB
VG UUID lRcg12-Pt0L-NYUv-zJfF-GT62-UKnP-VmhtD0
--- Logical volume ---
LV Name /dev/vg0/root
VG Name vg0
LV UUID av2DIv-p1Ns-pgPW-zN8U-fHbp-tMps-Q5b8dH
LV Write Access read/write
LV Status available
# open 1
LV Size 15.62 GB
Current LE 500
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:0
--- Physical volumes ---
PV Name /dev/md2
PV UUID tRNWez-5Yi4-ODco-2hIN-KD11-bsND-qEUxAk
PV Status allocatable
Total PE / Free PE 2344 / 1844
# lvdisplay -v
Finding all logical volumes
--- Logical volume ---
LV Name /dev/vg1/virt
VG Name vg1
LV UUID N47Gdi-hdHO-jH8a-oBgP-4zvp-q8Uf-zgAQc0
LV Write Access read/write
LV Status available
# open 0
LV Size 150.00 GB
Current LE 38400
Segments 2
Allocation inherit
Read ahead sectors 0
Block device 253:1
--- Logical volume ---
LV Name /dev/vg1/opadata
VG Name vg1
LV UUID NGL22V-JcPj-sLBf-CJaK-ps25-QCdz-EXfNK7
LV Write Access read/write
LV Status available
# open 1
LV Size 40.00 GB
Current LE 10240
Segments 1
Allocation contiguous
Read ahead sectors 0
Block device 253:2
--- Logical volume ---
LV Name /dev/vg1/iscsi_deeds_data
VG Name vg1
LV UUID WBwyFc-RJnp-z8Cl-hyjS-8AIT-psUc-nj64uS
LV Write Access read/write
LV Status available
# open 1
LV Size 40.00 GB
Current LE 10240
Segments 1
Allocation contiguous
Read ahead sectors 0
Block device 253:3
--- Logical volume ---
LV Name /dev/vg0/root
VG Name vg0
LV UUID av2DIv-p1Ns-pgPW-zN8U-fHbp-tMps-Q5b8dH
LV Write Access read/write
LV Status available
# open 1
LV Size 15.62 GB
Current LE 500
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:0
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [linux-lvm] mirroring an LV?
2008-08-17 4:54 [linux-lvm] mirroring an LV? Gordon McLellan
@ 2008-08-17 17:16 ` malahal
2008-08-17 17:37 ` Georges Giralt
0 siblings, 1 reply; 3+ messages in thread
From: malahal @ 2008-08-17 17:16 UTC (permalink / raw)
To: linux-lvm
Mirror needs at least 3 PVs (2 for legs and 1 for dirty log) and you
don't have 3 PVs in that volume group!
--Malahal.
Gordon McLellan [gordonthree@gmail.com] wrote:
> I'm pulling my hair out trying to setup a mirrored logical volume.
>
> lvconvert tells me I don't have enough free space, even though I have
> hundreds of gigabytes free on both physical volumes.
>
> Command: lvconvert -m1 /dev/vg1/iscsi_deeds_data
> Insufficient suitable allocatable extents for logical volume : 10240
> more required
>
> Any ideas?
>
> Thanks!,
>
> Gordon
>
> Here's the output from the lvconvert with verbose and debugging turned on:
>
> # lvconvert -vvv -d -m1 /dev/vg1/iscsi_deeds_data
> Processing: lvconvert -vvv -d -m1 /dev/vg1/iscsi_deeds_data
> O_DIRECT will be used
> Setting global/locking_type to 1
> File-based locking selected.
> Setting global/locking_dir to /var/lock/lvm
> Setting activation/mirror_region_size to 512
> Getting target version for linear
> dm version OF [16384]
> dm versions OF [16384]
> Getting target version for striped
> dm versions OF [16384]
> Checking for existing volume group "vg1"
> Locking /var/lock/lvm/V_vg1 WB
> /dev/ramdisk: Not using O_DIRECT
> Opened /dev/ramdisk RW
> /dev/ramdisk: block size is 1024 bytes
> /dev/ramdisk: No label detected
> Closed /dev/ramdisk
> Opened /dev/md0 RW O_DIRECT
> /dev/md0: block size is 1024 bytes
> /dev/md0: No label detected
> Closed /dev/md0
> Opened /dev/root RW O_DIRECT
> /dev/root: block size is 4096 bytes
> /dev/root: No label detected
> Closed /dev/root
> /dev/ram: Not using O_DIRECT
> Opened /dev/ram RW
> /dev/ram: block size is 1024 bytes
> /dev/ram: No label detected
> Closed /dev/ram
> Opened /dev/md1 RW O_DIRECT
> /dev/md1: block size is 4096 bytes
> /dev/md1: No label detected
> Closed /dev/md1
> Opened /dev/dm-1 RW O_DIRECT
> /dev/dm-1: block size is 4096 bytes
> /dev/dm-1: No label detected
> Closed /dev/dm-1
> /dev/ram2: Not using O_DIRECT
> Opened /dev/ram2 RW
> /dev/ram2: block size is 1024 bytes
> /dev/ram2: No label detected
> Closed /dev/ram2
> Opened /dev/md2 RW O_DIRECT
> /dev/md2: block size is 4096 bytes
> /dev/md2: lvm2 label detected
> lvmcache: /dev/md2: now orphaned
> /dev/md2: Found metadata at 8192 size 872 for vg0
> (lRcg12-Pt0L-NYUv-zJfF-GT62-UKnP-VmhtD0)
> lvmcache: /dev/md2: now in VG vg0
> lvmcache: /dev/md2: setting vg0 VGID to lRcg12Pt0LNYUvzJfFGT62UKnPVmhtD0
> lvmcache: /dev/md2: VG vg0: Set creation host to incognito.mcch.org.
> Closed /dev/md2
> Opened /dev/dm-2 RW O_DIRECT
> /dev/dm-2: block size is 4096 bytes
> /dev/dm-2: No label detected
> Closed /dev/dm-2
> /dev/ram3: Not using O_DIRECT
> Opened /dev/ram3 RW
> /dev/ram3: block size is 1024 bytes
> /dev/ram3: No label detected
> Closed /dev/ram3
> Opened /dev/dm-3 RW O_DIRECT
> /dev/dm-3: block size is 4096 bytes
> /dev/dm-3: No label detected
> Closed /dev/dm-3
> /dev/ram4: Not using O_DIRECT
> Opened /dev/ram4 RW
> /dev/ram4: block size is 1024 bytes
> /dev/ram4: No label detected
> Closed /dev/ram4
> Opened /dev/sda4 RW O_DIRECT
> /dev/sda4: block size is 512 bytes
> /dev/sda4: lvm2 label detected
> lvmcache: /dev/sda4: now orphaned
> /dev/sda4: Found metadata at 18432 size 1715 for vg1
> (rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA)
> lvmcache: /dev/sda4: now in VG vg1
> lvmcache: /dev/sda4: setting vg1 VGID to
> rthUcYKiTwzqwYWgg7rG54wTmZUYY6zA
> lvmcache: /dev/sda4: VG vg1: Set creation host to incognito.mcch.org.
> /dev/ram5: Not using O_DIRECT
> Opened /dev/ram5 RW
> /dev/ram5: block size is 1024 bytes
> /dev/ram5: No label detected
> Closed /dev/ram5
> /dev/ram6: Not using O_DIRECT
> Opened /dev/ram6 RW
> /dev/ram6: block size is 1024 bytes
> /dev/ram6: No label detected
> Closed /dev/ram6
> /dev/ram7: Not using O_DIRECT
> Opened /dev/ram7 RW
> /dev/ram7: block size is 1024 bytes
> /dev/ram7: No label detected
> Closed /dev/ram7
> /dev/ram8: Not using O_DIRECT
> Opened /dev/ram8 RW
> /dev/ram8: block size is 1024 bytes
> /dev/ram8: No label detected
> Closed /dev/ram8
> /dev/ram9: Not using O_DIRECT
> Opened /dev/ram9 RW
> /dev/ram9: block size is 1024 bytes
> /dev/ram9: No label detected
> Closed /dev/ram9
> /dev/ram10: Not using O_DIRECT
> Opened /dev/ram10 RW
> /dev/ram10: block size is 1024 bytes
> /dev/ram10: No label detected
> Closed /dev/ram10
> /dev/ram11: Not using O_DIRECT
> Opened /dev/ram11 RW
> /dev/ram11: block size is 1024 bytes
> /dev/ram11: No label detected
> Closed /dev/ram11
> /dev/ram12: Not using O_DIRECT
> Opened /dev/ram12 RW
> /dev/ram12: block size is 1024 bytes
> /dev/ram12: No label detected
> Closed /dev/ram12
> /dev/ram13: Not using O_DIRECT
> Opened /dev/ram13 RW
> /dev/ram13: block size is 1024 bytes
> /dev/ram13: No label detected
> Closed /dev/ram13
> /dev/ram14: Not using O_DIRECT
> Opened /dev/ram14 RW
> /dev/ram14: block size is 1024 bytes
> /dev/ram14: No label detected
> Closed /dev/ram14
> /dev/ram15: Not using O_DIRECT
> Opened /dev/ram15 RW
> /dev/ram15: block size is 1024 bytes
> /dev/ram15: No label detected
> Closed /dev/ram15
> Opened /dev/sdb4 RW O_DIRECT
> /dev/sdb4: block size is 512 bytes
> /dev/sdb4: lvm2 label detected
> lvmcache: /dev/sdb4: now orphaned
> /dev/sdb4: Found metadata at 4608 size 1715 for vg1
> (rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA)
> lvmcache: /dev/sdb4: now in VG vg1 (rthUcYKiTwzqwYWgg7rG54wTmZUYY6zA)
> Opened /dev/sdc1 RW O_DIRECT
> /dev/sdc1: block size is 1024 bytes
> /dev/sdc1: No label detected
> Closed /dev/sdc1
> /dev/sda4: lvm2 label detected
> /dev/sda4: Found metadata at 18432 size 1715 for vg1
> (rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA)
> /dev/sdb4: lvm2 label detected
> /dev/sdb4: Found metadata at 4608 size 1715 for vg1
> (rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA)
> /dev/sda4: lvm2 label detected
> /dev/sda4: Found metadata at 18432 size 1715 for vg1
> (rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA)
> /dev/sdb4: lvm2 label detected
> /dev/sdb4: Found metadata at 4608 size 1715 for vg1
> (rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA)
> Read vg1 metadata (10) from /dev/sda4 at 18432 size 1715
> /dev/sda4: lvm2 label detected
> /dev/sda4: Found metadata at 18432 size 1715 for vg1
> (rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA)
> /dev/sdb4: lvm2 label detected
> /dev/sdb4: Found metadata at 4608 size 1715 for vg1
> (rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA)
> Read vg1 metadata (10) from /dev/sdb4 at 4608 size 1715
> /dev/sda4 0: 0 15360: virt(0:0)
> /dev/sda4 1: 15360 10240: opadata(0:0)
> /dev/sda4 2: 25600 10240: iscsi_deeds_data(0:0)
> /dev/sda4 3: 35840 23040: virt(15360:0)
> /dev/sda4 4: 58880 160513: NULL(0:0)
> /dev/sdb4 0: 0 219393: NULL(0:0)
> Archiving volume group "vg1" metadata (seqno 10).
> Expiring archive /etc/lvm/archive/vg1_00005.vg
> Allowing allocation on /dev/sda4 start PE 58880 length 160513
> Allowing allocation on /dev/sdb4 start PE 0 length 219393
> Parallel PVs at LE 0 length 10240: /dev/sda4
> Insufficient suitable allocatable extents for logical volume : 10240
> more required
> Unlocking /var/lock/lvm/V_vg1
> Closed /dev/sda4
> Closed /dev/sdb4
>
> Here's more of my lvm specs:
>
> # pvdisplay -v
> Scanning for physical volume names
> --- Physical volume ---
> PV Name /dev/sda4
> VG Name vg1
> PV Size 857.01 GB / not usable 1.97 MB
> Allocatable yes
> PE Size (KByte) 4096
> Total PE 219393
> Free PE 160513
> Allocated PE 58880
> PV UUID zLqW68-3oW4-Mi8H-P2ti-ltnG-WA0C-CRJS1e
>
> --- Physical volume ---
> PV Name /dev/sdb4
> VG Name vg1
> PV Size 857.01 GB / not usable 2.16 MB
> Allocatable yes
> PE Size (KByte) 4096
> Total PE 219393
> Free PE 219393
> Allocated PE 0
> PV UUID VuPgY3-kf7s-aFyO-2Nof-G2Sw-xkqN-kwjAnz
>
> --- Physical volume ---
> PV Name /dev/md2
> VG Name vg0
> PV Size 73.28 GB / not usable 29.88 MB
> Allocatable yes
> PE Size (KByte) 32768
> Total PE 2344
> Free PE 1844
> Allocated PE 500
> PV UUID tRNWez-5Yi4-ODco-2hIN-KD11-bsND-qEUxAk
>
> # vgdisplay -v
> Finding all volume groups
> Finding volume group "vg1"
> --- Volume group ---
> VG Name vg1
> System ID
> Format lvm2
> Metadata Areas 2
> Metadata Sequence No 10
> VG Access read/write
> VG Status resizable
> MAX LV 0
> Cur LV 3
> Open LV 2
> Max PV 0
> Cur PV 2
> Act PV 2
> VG Size 1.67 TB
> PE Size 4.00 MB
> Total PE 438786
> Alloc PE / Size 58880 / 230.00 GB
> Free PE / Size 379906 / 1.45 TB
> VG UUID rthUcY-KiTw-zqwY-Wgg7-rG54-wTmZ-UYY6zA
>
> --- Logical volume ---
> LV Name /dev/vg1/virt
> VG Name vg1
> LV UUID N47Gdi-hdHO-jH8a-oBgP-4zvp-q8Uf-zgAQc0
> LV Write Access read/write
> LV Status available
> # open 0
> LV Size 150.00 GB
> Current LE 38400
> Segments 2
> Allocation inherit
> Read ahead sectors 0
> Block device 253:1
>
> --- Logical volume ---
> LV Name /dev/vg1/opadata
> VG Name vg1
> LV UUID NGL22V-JcPj-sLBf-CJaK-ps25-QCdz-EXfNK7
> LV Write Access read/write
> LV Status available
> # open 1
> LV Size 40.00 GB
> Current LE 10240
> Segments 1
> Allocation contiguous
> Read ahead sectors 0
> Block device 253:2
>
> --- Logical volume ---
> LV Name /dev/vg1/iscsi_deeds_data
> VG Name vg1
> LV UUID WBwyFc-RJnp-z8Cl-hyjS-8AIT-psUc-nj64uS
> LV Write Access read/write
> LV Status available
> # open 1
> LV Size 40.00 GB
> Current LE 10240
> Segments 1
> Allocation contiguous
> Read ahead sectors 0
> Block device 253:3
>
> --- Physical volumes ---
> PV Name /dev/sda4
> PV UUID zLqW68-3oW4-Mi8H-P2ti-ltnG-WA0C-CRJS1e
> PV Status allocatable
> Total PE / Free PE 219393 / 160513
>
> PV Name /dev/sdb4
> PV UUID VuPgY3-kf7s-aFyO-2Nof-G2Sw-xkqN-kwjAnz
> PV Status allocatable
> Total PE / Free PE 219393 / 219393
>
> Finding volume group "vg0"
> --- Volume group ---
> VG Name vg0
> System ID
> Format lvm2
> Metadata Areas 1
> Metadata Sequence No 4
> VG Access read/write
> VG Status resizable
> MAX LV 0
> Cur LV 1
> Open LV 1
> Max PV 0
> Cur PV 1
> Act PV 1
> VG Size 73.25 GB
> PE Size 32.00 MB
> Total PE 2344
> Alloc PE / Size 500 / 15.62 GB
> Free PE / Size 1844 / 57.62 GB
> VG UUID lRcg12-Pt0L-NYUv-zJfF-GT62-UKnP-VmhtD0
>
> --- Logical volume ---
> LV Name /dev/vg0/root
> VG Name vg0
> LV UUID av2DIv-p1Ns-pgPW-zN8U-fHbp-tMps-Q5b8dH
> LV Write Access read/write
> LV Status available
> # open 1
> LV Size 15.62 GB
> Current LE 500
> Segments 1
> Allocation inherit
> Read ahead sectors 0
> Block device 253:0
>
> --- Physical volumes ---
> PV Name /dev/md2
> PV UUID tRNWez-5Yi4-ODco-2hIN-KD11-bsND-qEUxAk
> PV Status allocatable
> Total PE / Free PE 2344 / 1844
>
>
> # lvdisplay -v
> Finding all logical volumes
> --- Logical volume ---
> LV Name /dev/vg1/virt
> VG Name vg1
> LV UUID N47Gdi-hdHO-jH8a-oBgP-4zvp-q8Uf-zgAQc0
> LV Write Access read/write
> LV Status available
> # open 0
> LV Size 150.00 GB
> Current LE 38400
> Segments 2
> Allocation inherit
> Read ahead sectors 0
> Block device 253:1
>
> --- Logical volume ---
> LV Name /dev/vg1/opadata
> VG Name vg1
> LV UUID NGL22V-JcPj-sLBf-CJaK-ps25-QCdz-EXfNK7
> LV Write Access read/write
> LV Status available
> # open 1
> LV Size 40.00 GB
> Current LE 10240
> Segments 1
> Allocation contiguous
> Read ahead sectors 0
> Block device 253:2
>
> --- Logical volume ---
> LV Name /dev/vg1/iscsi_deeds_data
> VG Name vg1
> LV UUID WBwyFc-RJnp-z8Cl-hyjS-8AIT-psUc-nj64uS
> LV Write Access read/write
> LV Status available
> # open 1
> LV Size 40.00 GB
> Current LE 10240
> Segments 1
> Allocation contiguous
> Read ahead sectors 0
> Block device 253:3
>
> --- Logical volume ---
> LV Name /dev/vg0/root
> VG Name vg0
> LV UUID av2DIv-p1Ns-pgPW-zN8U-fHbp-tMps-Q5b8dH
> LV Write Access read/write
> LV Status available
> # open 1
> LV Size 15.62 GB
> Current LE 500
> Segments 1
> Allocation inherit
> Read ahead sectors 0
> Block device 253:0
>
> _______________________________________________
> linux-lvm mailing list
> linux-lvm@redhat.com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [linux-lvm] mirroring an LV?
2008-08-17 17:16 ` malahal
@ 2008-08-17 17:37 ` Georges Giralt
0 siblings, 0 replies; 3+ messages in thread
From: Georges Giralt @ 2008-08-17 17:37 UTC (permalink / raw)
To: LVM general discussion and development
malahal@us.ibm.com a �crit :
> Mirror needs at least 3 PVs (2 for legs and 1 for dirty log) and you
> don't have 3 PVs in that volume group!
>
> --Malahal.
>
> Gordon McLellan [gordonthree@gmail.com] wrote:
>> I'm pulling my hair out trying to setup a mirrored logical volume.
>>
>> lvconvert tells me I don't have enough free space, even though I have
>> hundreds of gigabytes free on both physical volumes.
>>
>> Command: lvconvert -m1 /dev/vg1/iscsi_deeds_data
>> Insufficient suitable allocatable extents for logical volume : 10240
>> more required
>>
>> Any ideas?
>>
>> Thanks!,
>>
>> Gordon
>>
>> Here's the output from the lvconvert with verbose and debugging turned on:
>>
>> # lvconvert -vvv -d -m1 /dev/vg1/iscsi_deeds_data
........................snip.........................;;
Hi !
IMHO, you would be good when using soft mirror (md) to mirror your 2 PV
and then make a vg on the md and then lv into it...
I use 3 disks to mirror my VG/LV and it is a waste. At next major system
upgrade I'll convert it to MD/VG and reclaim a disk.
Hope this helps !
--
If the only tool you have is a hammer, you tend to see every problem as
a nail.
Abraham Maslow
^ permalink raw reply [flat|nested] 3+ messages in thread
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2008-08-17 4:54 [linux-lvm] mirroring an LV? Gordon McLellan
2008-08-17 17:16 ` malahal
2008-08-17 17:37 ` Georges Giralt
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