linux分区命令parted6,Linux parted命令支持T级分区
[root@abintel ~]# parted –help
用法：parted [選項]… [設備 [命令 [參數]…]…]
將帶有“參數”的命令應用于“設備”。如果沒有給出“命令”，則以交互模式運行。
選項：
-h, –help????????????????????顯示此求助信息
-i, –interactive???????????? 在必要時，提示用戶
-s, –script??????????????????從不提示用戶
-v, –version???????????????? 顯示版本
命令：
檢查 MINOR?????????????????? 對文件系統進行一個簡單的檢查
cp [FROM-DEVICE] FROM-MINOR TO-MINOR??????將文件系統復制到另一個分區
help [COMMAND]????????????????打印通用求助信息，或關于 COMMAND 的信息
mklabel 標簽類型??????????????創建新的磁盤標簽 (分區表)
mkfs MINOR 文件系統類型?????? 在 MINOR 創建類型為“文件系統類型”的文件系統
mkpart 分區類型 [文件系統類型] 起始點 終止點??????創建一個分區
mkpartfs 分區類型 文件系統類型 起始點 終止點 創建一個帶有文件系統的分區
move MINOR 起始點 終止點??????移動編號為 MINOR 的分區
name MINOR 名稱?????????????? 將編號為 MINOR 的分區命名為“名稱”
print [MINOR]???????????????? 打印分區表，或者分區
quit??????????????????????????退出程序
rescue 起始點 終止點??????????挽救臨近“起始點”、“終止點”的遺失的分區
resize MINOR 起始點 終止點????改變位于編號為 MINOR 的分區中文件系統的大小
rm MINOR??????????????????????刪除編號為 MINOR 的分區
select 設備???????????????? 選擇要編輯的設備
set MINOR 標志 狀態?????????? 改變編號為 MINOR 的分區的標志
大于1T的磁盤進行分區
遇到一個問題,大磁盤的超過1T的時候fdisk無法分區,到網上找了半天才知道是用parted可以作,有網絡真好啊.:D
下面一塊有3T RAID的硬盤的分區情況
#parted /dev/sdc
GNU Parted 1.6.19
Copyright (C) 1998 – 2004 Free Software Foundation, Inc.
This program is free software, covered by the GNU General Public License.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
Using /dev/sdc
(parted) m
check MINOR do a simple check on the filesystem
cp [FROM-DEVICE] FROM-MINOR TO-MINOR copy filesystem to another partition
help [COMMAND] prints general help, or help on COMMAND
mklabel LABEL-TYPE create a new disklabel (partition table)
mkfs MINOR FS-TYPE make a filesystem FS-TYPE on partititon MINOR
mkpart PART-TYPE [FS-TYPE] START END make a partition
mkpartfs PART-TYPE FS-TYPE START END make a partition with a filesystem
move MINOR START END move partition MINOR
name MINOR NAME name partition MINOR NAME
print [MINOR] display the partition table, or a partition
quit exit program
rescue START END rescue a lost partition near START and END
resize MINOR START END resize filesystem on partition MINOR
rm MINOR delete partition MINOR
select DEVICE choose the device to edit
set MINOR FLAG STATE change a flag on partition MINOR
(parted) p
Disk geometry for /dev/sdc: 0.000-2860032.000 megabytes
Disk label type: gpt
Minor Start End Filesystem Name Flags
1 0.017 1000.000 ext3
2 1000.000 2000.000 ext3
3 2000.000 3000.000 ext3
(parted) rm 3
(parted) rm 2
(parted) rm 1
(parted) mkpartfs primary ext3 0 1000000
No Implementation: Support for creating ext3 file systems is not implemented yet.
(parted) mkpart primary 0 1000000
(parted) mkpart primary 1000000 2000000
(parted) mkpart primary 2000000 3000000
Error: Can’t have a partition outside the disk!
(parted) mkpart primary 2000000 2800000
(parted) q
Information: Don’t forget to update /etc/fstab, if necessary.
#mkfs.ext3 /dev/sdc1
mke2fs 1.35 (28-Feb-2004)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
128008192 inodes, 255999995 blocks
12799999 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=260046848
7813 block groups
32768 blocks per group, 32768 fragments per group
16384 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 (8192 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.
背景：構建圖書館光盤管理系統FTP，6塊硬盤，每個1TB，用一塊硬盤做raid0,安裝系統，剩余5塊做raid5。由于ext3文件系統不支持大于2TB的分區，所以考慮使用GPT首先以root身份登錄系統，查看硬盤信息：fdisk -l
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代碼:
[root@libftp ~]# fdisk -l
Disk /dev/cciss/c0d0: 1000.1 GB, 1000171331584 bytes
255 heads, 63 sectors/track, 121597 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot??????Start???????? End??????Blocks?? Id System
/dev/cciss/c0d0p1?? *?????????? 1??????????33??????265041?? 83 Linux
/dev/cciss/c0d0p2??????????????34??????116105?? 932348340?? 83 Linux
/dev/cciss/c0d0p3??????????116106??????118655????20482875?? 83 Linux
/dev/cciss/c0d0p4??????????118656??????121597????23631615????5 Extended
/dev/cciss/c0d0p5??????????118656??????120567????15358108+ 83 Linux
/dev/cciss/c0d0p6??????????120568??????121587???? 8193118+ 82 Linux swap / Solaris
WARNING: GPT (GUID Partition Table) detected on ‘/dev/cciss/c0d1′! The util fdisk doesn’t support GPT. Use GNU Parted.
Disk /dev/cciss/c0d1: 4000.6 GB, 4000684662784 bytes
255 heads, 63 sectors/track, 486388 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot??????Start???????? End??????Blocks?? Id System
/dev/cciss/c0d1p1?????????????? 1??????267350 2147483647+ ee EFI GPT
使用parted命令：
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代碼:
[root@libftp ~]# parted /dev/cciss/c0d1
GNU Parted 1.8.1
Using /dev/cciss/c0d1
Welcome to GNU Parted! Type ‘help’ to view a list of commands.
(parted) mklabel gpt
Warning: The existing disk label on /dev/cciss/c0d1 will be destroyed and all data on this disk will be lost. Do you want to
continue?
Yes/No? y
New disk label type? [gpt]? gpt
下一步：由MBR轉為GPT磁盤
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代碼:
(parted) mkpart primary 0 4000GB
print：
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代碼:
(parted) print
Model: Compaq Smart Array (cpqarray)
Disk /dev/cciss/c0d1: 4001GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Number Start?? End???? Size????File system Name???? Flags
1??????17.4kB 4001GB 4001GB?????????????? primary
(parted) quit
Information: Don’t forget to update /etc/fstab, if necessary.
下一步：格式化
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代碼:
[root@libftp ~]# mkfs.ext3 -F /dev/cciss/c0d1
mke2fs 1.39 (29-May-2006)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
488374272 inodes, 976729654 blocks
48836482 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=0
29808 block groups
32768 blocks per group, 32768 fragments per group
16384 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, 512000000, 550731776, 644972544
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.
此時注意事項：mkfs.ext3 -F?? 后面要跟上 -F下一步 ：掛載
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代碼:
[root@libftp ~]# mkdir -p /mnt/cciss/c0d1
[root@libftp ~]# mount /dev/cciss/c0d1 /mnt/cciss/c0d1
查看：
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代碼:
[root@libftp ~]# df -h
Filesystem????????????Size Used Avail Use% Mounted on
/dev/cciss/c0d0p5??????15G 1.8G?? 12G 13% /
/dev/cciss/c0d0p3??????19G 173M?? 18G?? 1% /usr/local
/dev/cciss/c0d0p2???? 862G 200M 817G?? 1% /else
/dev/cciss/c0d0p1???? 251M?? 21M 218M?? 9% /boot
tmpfs???????????????? 2.0G???? 0 2.0G?? 0% /dev/shm
/dev/cciss/c0d1?????? 3.6T 197M 3.4T?? 1% /mnt/cciss/c0d1
開機自動掛載這塊硬盤：vi /etc/rc.local加上：
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代碼:
mount /dev/cciss/c0d1 /mnt/cciss/c0d1
搞定.
因為fdisk是不支持GPT磁盤，所以不要使用fdisk -l來查看X磁盤剛才分好的區，看不到的
總結
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