mkfs.ext4 fails to create 38TB file system on CentOS 6.4 64bit with this error:
mkfs.ext4: Size of device /dev/vg02/vtapes too big to be expressed in 32 bits using a blocksize of 4096.
More details follow:
# uname -a Linux tzbackup 2.6.32-358.18.1.el6.x86_64 #1 SMP Wed Aug 28 17:19:38 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
# fdisk -l /dev/sdc
Disk /dev/sdc: 41996.7 GB, 41996727091200 bytes 255 heads, 63 sectors/track, 5105811 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disk identifier: 0x00000000
# pvdisplay /dev/sdc --- Physical volume --- PV Name /dev/sdc VG Name vg02 PV Size 38.20 TiB / not usable 4.00 MiB Allocatable yes (but full) PE Size 4.00 MiB Total PE 10012799 Free PE 0 Allocated PE 10012799 PV UUID qGIgYy-Q8N2-xUjM-58Zb-uEnu-qFNY-NGjkhx
# vgdisplay /dev/vg02 --- Volume group --- VG Name vg02 System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 2 VG Access read/write VG Status resizable MAX LV 0 Cur LV 1 Open LV 0 Max PV 0 Cur PV 1 Act PV 1 VG Size 38.20 TiB PE Size 4.00 MiB Total PE 10012799 Alloc PE / Size 10012799 / 38.20 TiB Free PE / Size 0 / 0 VG UUID T1jUYU-wBTG-u0aN-AtYV-iFf8-S6Hw-zMuacu
# lvdisplay /dev/vg02/vtapes --- Logical volume --- LV Path /dev/vg02/vtapes LV Name vtapes VG Name vg02 LV UUID 6cktBz-ayFL-5XVp-kVEp-4giU-A1Kc-Jjf2UV LV Write Access read/write LV Creation host, time tzbackup, 2013-09-20 13:29:30 -0700 LV Status available # open 0 LV Size 38.20 TiB Current LE 10012799 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:8
# mkfs.ext4 -b 4096 /dev/vg02/vtapes mke2fs 1.41.12 (17-May-2010) mkfs.ext4: Size of device /dev/vg02/vtapes too big to be expressed in 32 bits using a blocksize of 4096.
Any idea?
Thanks,
-- Peter