bytes-per-inodeデフォルト

http://serverfault.com/questions/396768/ext4-file-system-max-inode-limit-can-anyone-please-explain

# cat /etc/mke2fs.conf 
[defaults]
        base_features = sparse_super,filetype,resize_inode,dir_index,ext_attr
        default_mntopts = acl,user_xattr
        enable_periodic_fsck = 0
        blocksize = 4096
        inode_size = 256
        inode_ratio = 16384
(後略)

めも

badblockを避けつつフォーマット

# time mkfs.ext4 -c -c -i 4096 /dev/sdc1
mke2fs 1.42.5 (29-Jul-2012)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
1558272 inodes, 1558216 blocks
77910 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=1598029824
48 block groups
32768 blocks per group, 32768 fragments per group
32464 inodes per group
Superblock backups stored on blocks:
        32768, 98304, 163840, 229376, 294912, 819200, 884736

Testing with pattern 0xaa: done
Reading and comparing: done
Testing with pattern 0x55: done
Reading and comparing: done
Testing with pattern 0xff: done
Reading and comparing: done
Testing with pattern 0x00: done
Reading and comparing: done
Allocating group tables: done
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done


real    65m31.826s
user    0m34.426s
sys     0m18.325s