linux分区模式之GPT分区

本文发布时间: 2019-Mar-22
传统分区模式MBR主分区最多4个单个分区容量不能大于2TB没有主分区系统将无法引导 主分区在MBR模式忠地位颇高GPT分区模式主分区最多128个单个分区容量不能大于18EB不存在主分区逻辑分区的概念不适合安装X86架构的系统GPT分区创建方法:parted命令[root@tomshen ~]# partedGNU Parted 2.1 #版本使用 /dev/sda #默认指定第一块磁盘Welcome to GNU Parted! Type 'help' to view a list of commands.(parted)parted命令:获取帮助信息help 或h(parted) h 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)parted命令:查看分区详情 print查看当前磁盘分区详情print all 查看所以分区详情(parted) print #只查看当前磁盘/dev/sdaModel: VMware, VMware Virtual S (scsi)Disk /dev/sda: 21.5GBSector size (logical/physical): 512B/512BPartition Table: msdosNumber Start End Size Type File system 标志1 1049kB 525MB 524MB primary ext4 启动2 525MB 21.5GB 20.9GB primary lvm(parted) print all #查看所以磁盘分区详情Model: VMware, VMware Virtual S (scsi)Disk /dev/sda: 21.5GBSector size (logical/physical): 512B/512BPartition Table: msdosNumber Start End Size Type File system 标志1 1049kB 525MB 524MB primary ext4 启动2 525MB 21.5GB 20.9GB primary lvmModel: VMware, VMware Virtual S (scsi)Disk /dev/sdb: 10.7GBSector size (logical/physical): 512B/512BPartition Table: gptNumber Start End Size File system Name 标志2 3000MB 4000MB 1000MB tomModel: Linux device-mapper (linear) (dm)Disk /dev/mapper/vg_tomshen-lv_swap: 2080MBSector size (logical/physical): 512B/512BPartition Table: loopNumber Start End Size File system 标志1 0.00B 2080MB 2080MB linux-swap(v1)Model: Linux device-mapper (linear) (dm)Disk /dev/mapper/vg_tomshen-lv_root: 18.9GBSector size (logical/physical): 512B/512BPartition Table: loopNumber Start End Size File system 标志1 0.00B 18.9GB 18.9GB ext4警告: 无法以读写方式打开 /dev/sr0 (只读文件系统)。/dev/sr0 已按照只读方式打开。 #光驱中无光盘,故而报错错误: 无效的分区表 - /dev/sr0 出现递归分区。忽略/Ignore/放弃/Cancel?parted命令:创建分区(交互式) 使用mkpart命令不带参数交互式创建分区如在/dev/sdb上创建分区,首先使用select命令切换到/dev/sdb(parted) select /dev/sdb #切换到/dev/sdb使用 /dev/sdb(parted) mklabel gpt #使用mklabel命令指定分区表类型默认为msdos(既MBR)警告: The existing disk label on /dev/sdb will be destroyed and all data on thisdisk will be lost. Do you want to continue?是/Yes/否/No? y(parted)(parted) mkpart #开始创建分区名称? []? mygpt #输入分区名称(卷标)文件系统类型? [ext2]? ext4 #输入文件系统类型(默认ext2)起始点? 4000 #从第几MB开始结束点? 6000 #第几MB结束(parted) 使用parted命令创建GPT分区分区范围是以#MB至#MB表示范围,而不是#扇区至#扇区。parted命令:创建分区(命令行式) 语法:mkpart 分区名称 开始MB 结束MB(parted) mkpart tomshen 6000MB 8000MB #创建分区tomshen 范围从6000MB(不包含6000MB)到8000MB(parted) printModel: VMware, VMware Virtual S (scsi)Disk /dev/sdb: 10.7GBSector size (logical/physical): 512B/512BPartition Table: gptNumber Start End Size File system Name 标志2 3000MB 4000MB 1000MB tom #以前创建的分区1 4000MB 6000MB 2000MB mygpt3 6000MB 8000MB 2000MB tomshen(parted)parted命令:删除分区 rm 分区编号(parted) rm 3(parted) printModel: VMware, VMware Virtual S (scsi)Disk /dev/sdb: 10.7GBSector size (logical/physical): 512B/512BPartition Table: gptNumber Start End Size File system Name 标志 #Number 既分区编号2 3000MB 4000MB 1000MB tom1 4000MB 6000MB 2000MB mygpt(parted)退出parted命令行:quit 如果要退出parted命令行的话,输入quit即可。


(以上内容不代表本站观点。)
---------------------------------
本网站以及域名有仲裁协议。
本網站以及域名有仲裁協議。

2024-Mar-04 02:08pm
栏目列表