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/ _______________________________________________ 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/
