[root@zbusa ~]# fdisk -l /dev/sdb
Disk /dev/sdb: 960.2 GB, 960197124096 bytes
255 heads, 63 sectors/track, 116737 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: 0xd0692ac9
Device Boot Start End Blocks Id System
/dev/sdb1 1 116737 937689921 83 Linux
[root@zbusa ~]# umount /dev/sdb1
[root@zbusa ~]# mkfs.ext4 -i /dev/sdb1
mkfs.ext4: invalid inode ratio /dev/sdb1 (min 1024/max 65536)
------------------------------------------------------
[root@zbusa ~]# umount /dev/sdb1
[root@zbusa ~]# mkfs.ext4 -i 1024 /dev/sdb1
mke2fs 1.41.12 (17-May-2010)
Discarding device blocks: done
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
937689984 inodes, 234422480 blocks
11721124 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=1307344896
28644 block groups
8184 blocks per group, 8184 fragments per group
32736 inodes per group
Superblock backups stored on blocks:
8184, 24552, 40920, 57288, 73656, 204600, 220968, 401016, 662904,
1023000, 1988712, 2807112, 5115000, 5966136, 17898408, 19649784,
25575000, 53695224, 127875000, 137548488, 161085672
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 22 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
[root@zbusa ~]# mount -t ext4 /dev/sdb1 /home/ftp3
[root@zbusa ~]# df -i
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/mapper/vg_zbusa-lv_root
3276800 60785 3216015 2% /
tmpfs 3074521 1 3074520 1% /dev/shm
/dev/mapper/vg_zbusa-lv_home
3284992 1455 3283537 1% /home
/dev/sda1 58613760 57930017 683743 99% /home/ftp2
/dev/sdb1 937689984 11 937689973 1% /home/ftp3
[root@zbusa ~]# df -halT
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/vg_zbusa-lv_root
ext4 50G 1.9G 45G 4% /
proc proc 0 0 0 - /proc
sysfs sysfs 0 0 0 - /sys
devpts devpts 0 0 0 - /dev/pts
tmpfs tmpfs 12G 0 12G 0% /dev/shm
/dev/mapper/vg_zbusa-lv_home
ext4 50G 4.8G 42G 11% /home
/dev/sda1 ext4 881G 544G 292G 66% /home/ftp2
none binfmt_misc 0 0 0 - /proc/sys/fs/binfmt_misc
/dev/sdb1 ext4 671G 89M 626G 1% /home/ftp3
------------------------------------------------------
[root@zbusa ~]# umount /dev/sdb1
[root@zbusa ~]# mkfs.ext4 -i 2048 /dev/sdb1
mke2fs 1.41.12 (17-May-2010)
Discarding device blocks: done
warning: 40 blocks unused.
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
469073920 inodes, 234422440 blocks
11721124 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=2381201408
14315 block groups
16376 blocks per group, 16376 fragments per group
32768 inodes per group
Superblock backups stored on blocks:
16376, 49128, 81880, 114632, 147384, 409400, 442152, 802424, 1326456,
2047000, 3979368, 5616968, 10235000, 11938104, 35814312, 39318776,
51175000, 107442936
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 24 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
[root@zbusa ~]# mount -t ext4 /dev/sdb1 /home/ftp3
[root@zbusa ~]# df -i
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/mapper/vg_zbusa-lv_root
3276800 60792 3216008 2% /
tmpfs 3074521 1 3074520 1% /dev/shm
/dev/mapper/vg_zbusa-lv_home
3284992 1455 3283537 1% /home
/dev/sda1 58613760 57930016 683744 99% /home/ftp2
/dev/sdb1 469073920 11 469073909 1% /home/ftp3
[root@zbusa ~]# df -halT
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/vg_zbusa-lv_root
ext4 50G 1.9G 45G 4% /
proc proc 0 0 0 - /proc
sysfs sysfs 0 0 0 - /sys
devpts devpts 0 0 0 - /dev/pts
tmpfs tmpfs 12G 0 12G 0% /dev/shm
/dev/mapper/vg_zbusa-lv_home
ext4 50G 4.8G 42G 11% /home
/dev/sda1 ext4 881G 544G 292G 66% /home/ftp2
none binfmt_misc 0 0 0 - /proc/sys/fs/binfmt_misc
/dev/sdb1 ext4 783G 77M 738G 1% /home/ftp3
------------------------------------------------------
[root@zbusa ~]# umount /dev/sdb1
[root@zbusa ~]# mkfs.ext4 -i 4096 /dev/sdb1
mke2fs 1.41.12 (17-May-2010)
Discarding device blocks: done
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
234487808 inodes, 234422480 blocks
11721124 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=4298112000
7156 block groups
32760 blocks per group, 32760 fragments per group
32768 inodes per group
Superblock backups stored on blocks:
32760, 98280, 163800, 229320, 294840, 819000, 884520, 1605240, 2653560,
4095000, 7960680, 11236680, 20475000, 23882040, 71646120, 78656760,
102375000, 214938360
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 38 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
[root@zbusa ~]# mount -t ext4 /dev/sdb1 /home/ftp3
[root@zbusa ~]# df -i
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/mapper/vg_zbusa-lv_root
3276800 60804 3215996 2% /
tmpfs 3074521 1 3074520 1% /dev/shm
/dev/mapper/vg_zbusa-lv_home
3284992 1455 3283537 1% /home
/dev/sda1 58613760 57929991 683769 99% /home/ftp2
/dev/sdb1 234487808 11 234487797 1% /home/ftp3
[root@zbusa ~]# df -halT
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/vg_zbusa-lv_root
ext4 50G 1.9G 45G 4% /
proc proc 0 0 0 - /proc
sysfs sysfs 0 0 0 - /sys
devpts devpts 0 0 0 - /dev/pts
tmpfs tmpfs 12G 0 12G 0% /dev/shm
/dev/mapper/vg_zbusa-lv_home
ext4 50G 4.8G 42G 11% /home
/dev/sda1 ext4 881G 544G 292G 66% /home/ftp2
none binfmt_misc 0 0 0 - /proc/sys/fs/binfmt_misc
/dev/sdb1 ext4 839G 72M 794G 1% /home/ftp3
------------------------------------------------------
[root@zbusa ~]# umount /dev/sdb1
[root@zbusa ~]# mkfs.ext4 -i 65536 /dev/sdb1
mke2fs 1.41.12 (17-May-2010)
Discarding device blocks: done
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
14653440 inodes, 234422480 blocks
11721124 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=4294967296
7155 block groups
32768 blocks per group, 32768 fragments per group
2048 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,
102400000, 214990848
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 20 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
[root@zbusa ~]# mount -t ext4 /dev/sdb1 /home/ftp3
[root@zbusa ~]# df -i
Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/mapper/vg_zbusa-lv_root
3276800 60854 3215946 2% /
tmpfs 3074521 1 3074520 1% /dev/shm
/dev/mapper/vg_zbusa-lv_home
3284992 1455 3283537 1% /home
/dev/sda1 58613760 57929996 683764 99% /home/ftp2
/dev/sdb1 14653440 11 14653429 1% /home/ftp3
[root@zbusa ~]# df -halT
Filesystem Type Size Used Avail Use% Mounted on
/dev/mapper/vg_zbusa-lv_root
ext4 50G 1.9G 45G 4% /
proc proc 0 0 0 - /proc
sysfs sysfs 0 0 0 - /sys
devpts devpts 0 0 0 - /dev/pts
tmpfs tmpfs 12G 0 12G 0% /dev/shm
/dev/mapper/vg_zbusa-lv_home
ext4 50G 4.8G 42G 11% /home
/dev/sda1 ext4 881G 544G 292G 66% /home/ftp2
none binfmt_misc 0 0 0 - /proc/sys/fs/binfmt_misc
/dev/sdb1 ext4 891G 72M 846G 1% /home/ftp3
