COREOS的数据盘inode使用偏高

inode消耗数量巨大，df -h和df -ih的输出，在仅使用了6.6G磁盘空间的情况下，已消耗了6.4M的inode！

/dev/xvdb1       78G  6.6G   67G   9% /mnt/data
/dev/xvdb1        20M  6.4M   14M   32% /mnt/data

 

检查了xvdb1，发现block-size 是 1024，导致文件数偏多引起，建议客户备份数据，重新格式化一下。

 

preprod2 docker # tune2fs -l /dev/xvdb1

 

tune2fs 1.42.10 (18-May-2014)

Filesystem volume name:   <none>

Last mounted on:          /mnt/data

Filesystem UUID:          e3bdfad7-d93c-420f-8f52-4b07f251595d

Filesystem magic number:  0xEF53

Filesystem revision #:    1 (dynamic)

Filesystem features:      has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super huge_file uninit_bg dir_nlink extra_isize

Filesystem flags:         signed_directory_hash 

Default mount options:    user_xattr acl

Filesystem state:         clean

Errors behavior:          Continue

Filesystem OS type:       Linux

Inode count:              20971520

Block count:              83885036

Reserved block count:     4194251

Free blocks:              81199370

Free inodes:              20971509

First block:              1

Block size:               1024

Fragment size:            1024

Reserved GDT blocks:      256

Blocks per group:         8192

Fragments per group:      8192

Inodes per group:         2048

Inode blocks per group:   256

Flex block group size:    16

Filesystem created:       Tue Sep 15 12:08:26 2015

Last mount time:          Tue Sep 15 12:08:48 2015

Last write time:          Tue Sep 15 12:08:48 2015

Mount count:              1

Maximum mount count:      -1

Last checked:             Tue Sep 15 12:08:26 2015

Check interval:           0 (<none>)

Lifetime writes:          33 MB

Reserved blocks uid:      0 (user root)

Reserved blocks gid:      0 (group root)

First inode:              11

Inode size:               128

Journal inode:            8

Default directory hash:   half_md4

Directory Hash Seed:      a8db049e-acb3-4795-9e73-851459e0e8be

Journal backup:           inode blocks