partd解决超过2T大容量磁盘问题

[root@node3 ~]# parted /dev/sdb
GNU Parted 2.1
使用 /dev/sdb
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)

eg：
[root@node3 ~]# parted /dev/sdb
GNU Parted 2.1
使用 /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) mklabel gpt
警告: The existing disk label on /dev/sdb will be destroyed and all data on this disk will be lost. Do you want to continue?
是/Yes/否/No? yes
--警告用户磁盘上的数据将会被销毁，询问是否继续，我们这里是新的磁盘，输入yes后回车
(parted) print
Model: VMware, VMware Virtual S (scsi)
Disk /dev/sdb: 1074MB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number  Start  End  Size  File system  Name  标志

(parted) mkpart
分区名称？  []? sdb
文件系统类型？  [ext2]? ext4
起始点？ 0
结束点？ 1074M
警告: The resulting partition is not properly aligned for best performance.
忽略/Ignore/放弃/Cancel? Ignore
(parted) print
Model: VMware, VMware Virtual S (scsi)
Disk /dev/sdb: 1074MB
Sector size (logical/physical): 512B/512B
Partition Table: gpt

Number  Start   End     Size    File system  Name  标志
1      17.4kB  1074MB  1074MB  ext4         sdb

(parted) quit
信息: You may need to update /etc/fstab.

[root@node3 ~]#

[root@node3 ~]# mount /dev/sdb1 /opt/test/
[root@node3 ~]# df -TH
Filesystem           Type     Size  Used Avail Use% Mounted on
/dev/mapper/vg_node3-lv_root
ext4      40G  812M   37G   3% /
tmpfs                tmpfs    515M     0  515M   0% /dev/shm
/dev/sda1            ext4     500M   27M  448M   6% /boot
/dev/sr0             iso9660  4.7G  4.7G     0 100% /opt/ren
/dev/sdb1            ext4     1.1G  1.4M  986M   1% /opt/test
[root@node3 ~]#