2019-03-31 11:00:21 +00:00
---
title: Linuxにおけるフォーマット
author: kazu634
date: 2009-04-25
wordtwit_post_info:
- 'O:8:"stdClass":13:{s:6:"manual";b:0;s:11:"tweet_times";i:1;s:5:"delay";i:0;s:7:"enabled";i:1;s:10:"separation";s:2:"60";s:7:"version";s:3:"3.7";s:14:"tweet_template";b:0;s:6:"status";i:2;s:6:"result";a:0:{}s:13:"tweet_counter";i:2;s:13:"tweet_log_ids";a:1:{i:0;i:4569;}s:9:"hash_tags";a:0:{}s:8:"accounts";a:1:{i:0;s:7:"kazu634";}}'
categories:
- linux
---
< div class = "section" >
< p >
Linuxでのフォーマットの仕方を忘れがちで何度もGoogleのお世話になっているので、ここでまとめておきます。
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< h4 >
パーティションの切り方
< / h4 >
< p >
fdiskコマンドを用います。
< / p >
< pre class = "syntax-highlight" >
kazu634@srv634% df /media/disk < span class = "synStatement" > [< / span > < span class = "synConstant" > 951< / span > < span class = "synStatement" > ]< / span >
Filesystem 1K-ブロック 使用 使用可 使用% マウント位置
/dev/mapper/srv634-root
< span class = "synConstant" > 329233< / span > < span class = "synConstant" > 138796< / span > < span class = "synConstant" > 173439< / span > < span class = "synConstant" > 45< / span > % /
tmpfs < span class = "synConstant" > 513816< / span > < span class = "synConstant" > < / span > < span class = "synConstant" > 513816< / span > < span class = "synConstant" > < / span > % /lib/init/rw
udev < span class = "synConstant" > 10240< / span > < span class = "synConstant" > 100< / span > < span class = "synConstant" > 10140< / span > < span class = "synConstant" > 1< / span > % /dev
tmpfs < span class = "synConstant" > 513816< / span > < span class = "synConstant" > < / span > < span class = "synConstant" > 513816< / span > < span class = "synConstant" > < / span > % /dev/shm
/dev/sda1 < span class = "synConstant" > 233335< / span > < span class = "synConstant" > 32653< / span > < span class = "synConstant" > 188234< / span > < span class = "synConstant" > 15< / span > % /boot
/dev/mapper/srv634-home
< span class = "synConstant" > 142568216< / span > < span class = "synConstant" > 294068< / span > < span class = "synConstant" > 135032012< / span > < span class = "synConstant" > 1< / span > % /home
/dev/mapper/srv634-tmp
< span class = "synConstant" > 376807< / span > < span class = "synConstant" > 10307< / span > < span class = "synConstant" > 347044< / span > < span class = "synConstant" > 3< / span > % /tmp
/dev/mapper/srv634-usr
< span class = "synConstant" > 4805760< / span > < span class = "synConstant" > 2526672< / span > < span class = "synConstant" > 2034968< / span > < span class = "synConstant" > 56< / span > % /usr
/dev/mapper/srv634-var
< span class = "synConstant" > 2882592< / span > < span class = "synConstant" > 1217136< / span > < span class = "synConstant" > 1519024< / span > < span class = "synConstant" > 45< / span > % /var
/dev/sdb1 < span class = "synConstant" > 964500< / span > < span class = "synConstant" > 17696< / span > < span class = "synConstant" > 897808< / span > < span class = "synConstant" > 2< / span > % /var/backup_data
/dev/sdc1 < span class = "synConstant" > 2010752< / span > < span class = "synConstant" > 265440< / span > < span class = "synConstant" > 1745312< / span > < span class = "synConstant" > 14< / span > % /media/disk
kazu634@srv634% fdish /dev/sdc1 /media/disk < span class = "synStatement" > [< / span > < span class = "synConstant" > 952< / span > < span class = "synStatement" > ]< / span >
zsh: command not found: fdish
kazu634@srv634% sudo fdisk /dev/sdc1 /media/disk < span class = "synStatement" > [< / span > < span class = "synConstant" > 953< / span > < span class = "synStatement" > ]< / span >
< span class = "synStatement" > [< / span > sudo< span class = "synStatement" > ]< / span > password < span class = "synStatement" > for< / span > kazu634:
Command < span class = "synStatement" > (< / span > m < span class = "synStatement" > for< / span > < span class = "synStatement" > help< / span > ): m
Command action
a toggle a bootable flag
b edit bsd disklabel
c toggle the dos compatibility flag
d delete a partition
l list known partition types
m < span class = "synStatement" > print< / span > this menu
n add a new partition
o create a new empty DOS partition table
p < span class = "synStatement" > print< / span > the partition table
q quit without saving changes
s create a new empty Sun disklabel
t change a partition< span class = "synStatement" > '< / span > < span class = "synConstant" > s system id< / span >
< span class = "synConstant" > u change display/entry units< / span >
< span class = "synConstant" > v verify the partition table< / span >
< span class = "synConstant" > w write table to disk and exit< / span >
< span class = "synConstant" > x extra functionality (experts only)< / span >
< span class = "synConstant" > Command (m for help): p< / span >
< span class = "synConstant" > Disk /dev/sdc1: 2059 MB, 2059278848 bytes< / span >
< span class = "synConstant" > 64 heads, 62 sectors/track, 1013 cylinders< / span >
< span class = "synConstant" > Units = cylinders of 3968 * 512 = 2031616 bytes< / span >
< span class = "synConstant" > Disk identifier: 0x00000000< / span >
< span class = "synConstant" > Device Boot Start End Blocks Id System< / span >
< span class = "synConstant" > Command (m for help): n< / span >
< span class = "synConstant" > Command action< / span >
< span class = "synConstant" > e extended< / span >
< span class = "synConstant" > p primary partition (1-4)< / span >
< span class = "synConstant" > p< / span >
< span class = "synConstant" > Partition number (1-4): 1< / span >
< span class = "synConstant" > First cylinder (1-1013, default 1): < / span >
< span class = "synConstant" > Using default value 1< / span >
< span class = "synConstant" > Last cylinder or +size or +sizeM or +sizeK (1-1013, default 1013): < / span >
< span class = "synConstant" > Using default value 1013< / span >
< span class = "synConstant" > Command (m for help): p< / span >
< span class = "synConstant" > Disk /dev/sdc1: 2059 MB, 2059278848 bytes< / span >
< span class = "synConstant" > 64 heads, 62 sectors/track, 1013 cylinders< / span >
< span class = "synConstant" > Units = cylinders of 3968 * 512 = 2031616 bytes< / span >
< span class = "synConstant" > Disk identifier: 0x00000000< / span >
< span class = "synConstant" > Device Boot Start End Blocks Id System< / span >
< span class = "synConstant" > /dev/sdc1p1 1 1013 2009761 83 Linux< / span >
< span class = "synConstant" > Command (m for help): w< / span >
< span class = "synConstant" > The partition table has been altered!< / span >
< span class = "synConstant" > Calling ioctl() to re-read partition table.< / span >
< span class = "synConstant" > WARNING: Re-reading the partition table failed with error 22: < / span > < span class = "synSpecial" > 無効な引数です< / span > < span class = "synConstant" > .< / span >
< span class = "synConstant" > The kernel still uses the old table.< / span >
< span class = "synConstant" > The new table will be used at the next reboot.< / span >
< span class = "synConstant" > Syncing disks.< / span >
< / pre >
< h4 >
フォーマットの仕方
< / h4 >
< p >
mkfsコマンドを用います。
< / p >
< pre class = "syntax-highlight" >
kazu634@srv634% sudo mkfs < span class = "synSpecial" > -t< / span > ext3 /dev/sdc1 /media < span class = "synStatement" > [< / span > < span class = "synConstant" > 959< / span > < span class = "synStatement" > ]< / span >
< span class = "synStatement" > [< / span > sudo< span class = "synStatement" > ]< / span > password < span class = "synStatement" > for< / span > kazu634:
mke2fs < span class = "synConstant" > 1< / span > .< span class = "synConstant" > 41< / span > .< span class = "synConstant" > 3< / span > < span class = "synStatement" > (< / span > < span class = "synConstant" > 12< / span > -Oct< span class = "synConstant" > -2008< / span > < span class = "synStatement" > )< / span >
Filesystem < span class = "synIdentifier" > label< / span > =
OS < span class = "synStatement" > type< / span > : Linux
Block < span class = "synIdentifier" > size< / span > =< span class = "synConstant" > 4096< / span > < span class = "synStatement" > (< / span > < span class = "synIdentifier" > log< / span > =< span class = "synConstant" > 2< / span > < span class = "synStatement" > )< / span >
Fragment < span class = "synIdentifier" > size< / span > =< span class = "synConstant" > 4096< / span > < span class = "synStatement" > (< / span > < span class = "synIdentifier" > log< / span > =< span class = "synConstant" > 2< / span > < span class = "synStatement" > )< / span >
< span class = "synConstant" > 125696< / span > inodes, < span class = "synConstant" > 502753< / span > blocks
< span class = "synConstant" > 25137< / span > blocks < span class = "synStatement" > (< / span > < span class = "synConstant" > 5< / span > .< span class = "synConstant" > 00< / span > %< span class = "synStatement" > )< / span > reserved < span class = "synStatement" > for< / span > the super user
First data < span class = "synIdentifier" > block< / span > =< span class = "synConstant" > < / span >
Maximum filesystem < span class = "synIdentifier" > blocks< / span > =< span class = "synConstant" > 515899392< / span >
< span class = "synConstant" > 16< / span > block groups
< span class = "synConstant" > 32768< / span > blocks per group, < span class = "synConstant" > 32768< / span > fragments per group
< span class = "synConstant" > 7856< / span > inodes per group
Superblock backups stored on blocks:
< span class = "synConstant" > 32768< / span > , < span class = "synConstant" > 98304< / span > , < span class = "synConstant" > 163840< / span > , < span class = "synConstant" > 229376< / span > , < span class = "synConstant" > 294912< / span >
Writing inode tables: done
Creating journal < span class = "synStatement" > (< / span > < span class = "synConstant" > 8192< / span > blocks< span class = "synStatement" > )< / span > : done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every < span class = "synConstant" > 28< / span > mounts or
< span class = "synConstant" > 180< / span > days, whichever comes first. Use tune2fs < span class = "synStatement" > -c< / span > or < span class = "synStatement" > -i< / span > to override.
< / pre >
2019-04-02 16:06:15 +00:00
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