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GPT 分区工具：gdisk gdisk
gdisk 分区
| GPT 128 个主分区 | |
| [root@zutuanxue ~]# gdisk -l /dev/sdc | |
| [root@zutuanxue ~]# gdisk -l /dev/sdc 查看 sdc 信息 | |
| GPT fdisk (gdisk) version 1.0.3 | |
| Partition table scan: | |
| MBR: MBR only | |
| BSD: not present | |
| APM: not present | |
| GPT: not present ###GPT 分区无法使用 | |
| *************************************************************** | |
| Found invalid GPT and valid MBR; converting MBR to GPT format | |
| in memory. | |
| *************************************************************** | |
| Disk /dev/sdc: 41943040 sectors, 20.0 GiB | |
| Model: VMware Virtual S | |
| Sector size (logical/physical): 512/512 bytes | |
| Disk identifier (GUID): B228357D-34EC-4E47-BB81-A7312F3BCF8D | |
| Partition table holds up to 128 entries | |
| Main partition table begins at sector 2 and ends at sector 33 | |
| First usable sector is 34, last usable sector is 41943006 | |
| Partitions will be aligned on 2048-sector boundaries | |
| Total free space is 37748669 sectors (18.0 GiB) | |
| Number Start (sector) End (sector) Size Code Name | |
| 1 2048 2099199 1024.0 MiB 8300 Linux filesystem | |
| 2 2099200 4196351 1024.0 MiB 8300 Linux filesystem | |
| 将 MBR 转换成 GPT 分区 | |
| [root@zutuanxue ~]# gdisk /dev/sdc | |
| GPT fdisk (gdisk) version 1.0.3 | |
| Partition table scan: | |
| MBR: MBR only | |
| BSD: not present | |
| APM: not present | |
| GPT: not present | |
| *************************************************************** | |
| Found invalid GPT and valid MBR; converting MBR to GPT format | |
| in memory. THIS OPERATION IS POTENTIALLY DESTRUCTIVE! Exit by | |
| typing 'q' if you don't want to convert your MBR partitions | |
| to GPT format! | |
| *************************************************************** | |
| Command (? for help): o | |
| This option deletes all partitions and creates a new protective MBR. | |
| Proceed? (Y/N): y | |
| Command (? for help): w | |
| Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING | |
| PARTITIONS!! | |
| Do you want to proceed? (Y/N): y | |
| OK; writing new GUID partition table (GPT) to /dev/sdc. | |
| The operation has completed successfully. | |
| [root@zutuanxue ~]# gdisk -l /dev/sdc | |
| GPT fdisk (gdisk) version 1.0.3 | |
| Partition table scan: | |
| MBR: protective | |
| BSD: not present | |
| APM: not present | |
| GPT: present ###GPT 可用了 | |
| Found valid GPT with protective MBR; using GPT. | |
| Disk /dev/sdc: 41943040 sectors, 20.0 GiB | |
| Model: VMware Virtual S | |
| Sector size (logical/physical): 512/512 bytes | |
| Disk identifier (GUID): 7CA4232A-4A9E-467D-AADD-BB84DB2126E3 | |
| Partition table holds up to 128 entries | |
| Main partition table begins at sector 2 and ends at sector 33 | |
| First usable sector is 34, last usable sector is 41943006 | |
| Partitions will be aligned on 2048-sector boundaries | |
| Total free space is 41942973 sectors (20.0 GiB) | |
| Number Start (sector) End (sector) Size Code Name | |
| #再次分区 | |
| [root@zutuanxue ~]# gdisk /dev/sdc | |
| GPT fdisk (gdisk) version 1.0.3 | |
| Partition table scan: | |
| MBR: protective | |
| BSD: not present | |
| APM: not present | |
| GPT: present | |
| Found valid GPT with protective MBR; using GPT. | |
| Command (? for help): n | |
| Partition number (1-128, default 1): 1 | |
| First sector (34-41943006, default = 2048) or {+-}size{KMGTP}: | |
| Last sector (2048-41943006, default = 41943006) or {+-}size{KMGTP}: +2G | |
| Current type is 'Linux filesystem' | |
| Hex code or GUID (L to show codes, Enter = 8300): | |
| Changed type of partition to 'Linux filesystem' | |
| Command (? for help): p | |
| Disk /dev/sdc: 41943040 sectors, 20.0 GiB | |
| Model: VMware Virtual S | |
| Sector size (logical/physical): 512/512 bytes | |
| Disk identifier (GUID): 7CA4232A-4A9E-467D-AADD-BB84DB2126E3 | |
| Partition table holds up to 128 entries | |
| Main partition table begins at sector 2 and ends at sector 33 | |
| First usable sector is 34, last usable sector is 41943006 | |
| Partitions will be aligned on 2048-sector boundaries | |
| Total free space is 37748669 sectors (18.0 GiB) | |
| Number Start (sector) End (sector) Size Code Name | |
| 1 2048 4196351 2.0 GiB 8300 Linux filesystem | |
| Command (? for help): w | |
| Final checks complete. About to write GPT data. THIS WILL OVERWRITE EXISTING | |
| PARTITIONS!! | |
| Do you want to proceed? (Y/N): y | |
| OK; writing new GUID partition table (GPT) to /dev/sdc. | |
| The operation has completed successfully. | |
| [root@zutuanxue ~]# partprobe /dev/sdc | |
| 2. 创建文件系统（格式化）CentOS8 默认使用 xfs | |
| [root@zutuanxue ~]# mkfs.xfs -f /dev/sdc1 | |
| 3. 挂载 | |
| [root@zutuanxue ~]# mkdir /disk1 | |
| [root@zutuanxue ~]# mount -t xfs -o ro /dev/sdc1 /disk1 // 手动挂载 | |
| [root@zutuanxue ~]# umount /disk1 ## 卸载 | |
正文完
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