linux parted 分区

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http://www.dbdream.org/?p=157

用法示例：

打印一个磁盘的当前的分区结构：

$ parted /dev/sdb print

将一个MBR的磁盘格式化为GPT磁盘：

parted> mklabel gpt

将一个GPT磁盘格式化为MBR磁盘：

parted> mklabel msdos

划分一个起始位置是0，大小为100M的主分区：

parted> mkpart primary 0 100M 或者 $ parted /dev/sdb mkpart primary 0 100M

将一个磁盘的所有空间都划分成一个分区：

parted> mkpart primary 0 -1 或者 $ parted /dev/sdb mkpart primary 0 -1

删除一个分区：

parted> rm 1 或者 $ parted /dev/sdb rm 1

vgc-config -p /dev/vgcb0 -m maxperformance

vgc-config -p /dev/vgcb0 -m maxcapacity

parted /dev/vgca0p1 mkfs
parted /dev/vgcb0 rm 1
parted /dev/vgcb0 mkpart primary 65.5kB 2199GB
parted /dev/vgcb0 print
parted /dev/vgcb0 print -s
parted -l

parted /dev/vgcb0
mklabel ----创建磁盘标签

[root@sdw1 ~]# parted /dev/vgcb0
GNU Parted 2.1
Using /dev/vgcb0
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) help
align-check TYPE N check partition N for TYPE(min|opt) alignment
check NUMBER do a simple check on the file system
cp [FROM-DEVICE] FROM-NUMBER TO-NUMBER copy file system to another partition
help [COMMAND] print general help, or help on COMMAND
mklabel,mktable LABEL-TYPE create a new disklabel (partition table)
mkfs NUMBER FS-TYPE make a FS-TYPE file system on partition NUMBER
mkpart PART-TYPE [FS-TYPE] START END make a partition
mkpartfs PART-TYPE FS-TYPE START END make a partition with a file system
move NUMBER START END move partition NUMBER
name NUMBER NAME name partition NUMBER as NAME
print [devices|free|list,all|NUMBER] display the partition table, available devices, free space, all found partitions, or a particular
partition
quit exit program
rescue START END rescue a lost partition near START and END
resize NUMBER START END resize partition NUMBER and its file system
rm NUMBER delete partition NUMBER
select DEVICE choose the device to edit
set NUMBER FLAG STATE change the FLAG on partition NUMBER
toggle [NUMBER [FLAG]] toggle the state of FLAG on partition NUMBER
unit UNIT set the default unit to UNIT
version display the version number and copyright information of GNU Parted
(parted) mklabel 创建分区表
New disk label type? gpt
(parted) p
Model: Unknown (unknown)
Disk /dev/vgcb0: 2222GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number Start End Size File system Name Flags

(parted) q
Information: You may need to update /etc/fstab.

创建分区

(parted) mkpart  Partition name?  []?            --可以指定分区名字 File system type?  [ext2]?      --文件系统类型  Start? 2048G                    --开始位置  End? 4096G                      --结束位置

在创建几个分区

(parted) mkpart                                                           Partition name?  []?                                                      File system type?  [ext2]?                                                Start? 4096G                                                              End? 6144G                                                                (parted) mkpart                                                           Partition name?  []?                                                      File system type?  [ext2]?                                                Start? 6144G                                                              End? 8192G                                                                (parted) mkpart                                                           Partition name?  []?                                                      File system type?  [ext2]?                                                Start? 8192G                                                              End? 10240G                                                               (parted) mkpart                                                           Partition name?  []?                                                      File system type?  [ext2]?                                                Start? 10240G                                                             End? -1                       --使用所有剩余空间

[root@sdw1 ~]# parted /dev/vgcb0 mkpart primary 65.5kB 2199GB
Warning: The resulting partition is not properly aligned for best performance.
Ignore/Cancel? Ignore
Information: You may need to update /etc/fstab.

[root@sdw1 rules.d]# fdisk -l
WARNING: GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.

Disk /dev/sda: 299.4 GB, 299439751168 bytes

255 heads, 63 sectors/track, 36404 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

Device Boot Start End Blocks Id System
/dev/sda1 1 36405 292421631+ ee GPT

Disk /dev/vgca0: 2222.4 GB, 2222444249088 bytes
255 heads, 128 sectors/track, 132987 cylinders
Units = cylinders of 32640 * 512 = 16711680 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Device Boot Start End Blocks Id System
/dev/vgca0p1 1 131586 2147483456 83 Linux
Partition 1 does not end on cylinder boundary.

WARNING: GPT (GUID Partition Table) detected on '/dev/vgcb0'! The util fdisk doesn't support GPT. Use GNU Parted.

Disk /dev/vgcb0: 2222.4 GB, 2222444249088 bytes
255 heads, 63 sectors/track, 270196 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

Device Boot Start End Blocks Id System
/dev/vgcb0p1 1 267350 2147483647+ ee GPT

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