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Linux下parted对磁盘进行分区

发表于：2026-11-03 作者：千家信息网编辑

千家信息网最后更新 2026年11月03日，今天为了挂载文件系统，对磁盘进行分区，磁盘大小3.6TB。使用fdisk对磁盘分区完成之后，查看如下：Disk /dev/sdb: 3598.9 GB, 3598914158592 bytes255

千家信息网最后更新 2026年11月03日Linux下parted对磁盘进行分区今天为了挂载文件系统，对磁盘进行分区，磁盘大小3.6TB。
使用fdisk对磁盘分区完成之后，查看如下：
Disk /dev/sdb: 3598.9 GB, 3598914158592 bytes
255 heads, 63 sectors/track, 437543 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/sdb1 1 234976 1887444688+ 83 Linux
/dev/sdb2 234977 267349 260036122+ 5 Extended

发现最大只能识别260036122Blocks，3.6TB的磁盘没有完全分完，经查阅资料，使用fdisk进行分区最大只能识别2TB，于是采用parted进行分区。
[root@localhost /]# parted /dev/sdb
GNU Parted 2.1
Using /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
corrupted -- possibly by a program that doesn't understand GPT partition tables. Or perhaps you deleted the GPT table, and are now using an msdos partition table. Is this
a GPT partition table?
parted: invalid token: tes
Model: DELL PERC H730P Adp (scsi)
Disk /dev/sdb: 3599GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Number Start End Size File system Name Flags
(parted) mkpart
Partition name? []?
File system type? [ext2]?
Start?
Start? 0
End? 1800GB
Warning: The resulting partition is not properly aligned for best performance.
Ignore/Cancel? Ignore
(parted)
(parted) mkpart
Partition name? []?
File system type? [ext2]?
Start?
Start? 1800GB
End? 3599GB
(parted)
(parted) print
Warning: /dev/sdb contains GPT signatures, indicating that it has a GPT table. However, it does not have a valid fake msdos partition table, as it should. Perhaps it was
corrupted -- possibly by a program that doesn't understand GPT partition tables. Or perhaps you deleted the GPT table, and are now using an msdos partition table. Is this
a GPT partition table?
Yes/No? yes
Model: DELL PERC H730P Adp (scsi)
Disk /dev/sdb: 3599GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Number Start End Size File system Name Flags
1 17.4kB 1800GB 1800GB
2 1800GB 3599GB 1799GB

[root@localhost dev]$cd /dev
[root@localhost dev]$ ls |grep sdb
sdb
sdb1
sdb2
分区已经完成，下一步可以进行格式化并挂载文件系统
mkfs -t ext4 /dev/sdb1
mkfs -t ext4 /dev/sdb2

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