本文共 50272 字，大约阅读时间需要 167 分钟。
硬盘大小：4T
硬盘接口：SCSI
Linux发行版：CentOS-7-x86_64-DVD-1804.iso
| 分区类型 | 空间分配 | 扩容命令 |
|---|---|---|
| ext2、ext3、ext4 | 可扩容、可缩容 | resize2fs |
| xfs（centos7默认） | 仅扩容 | xfs_growfs |
#--查看硬盘使用情况# df -Th#--查看设备列表# fdisk -l#--使用parted工具# parted /dev/sdd#--打印硬盘和分区信息# (parted) p#--其中打印信息中：Disk /dev/sdd: 4001GB 表示可分区空间#-- GPT分区表# (parted) mklabel gpt# Yes/No y#--这里只做一个分区# (parted) mkpart#--分区名可自定义# Partition name? []? sd2#--分区类型# File system type? [ext2]? ext4#--分区开始大小# Start? 0#--分区结束大小（这些复制上面打印的可分区空间）# End? 4001GB# Ignore/Cancel? Ignore#--打印硬盘和分区信息# (parted) p#--退出# quit
#--查看设备列表# fdisk -l#-- mkfs.[分区类型] [设备分区名]# mkfs.ext4 /dev/sdd1
#--进入LVM# lvm#--创建PV# lvm> pvcreate /dev/sdd1[y/n]: y#--查看现有的VG信息；其中打印信息 Free PE / Size 表示可用空间# lvm> vgdisplay#--创建VG；centos是现有的vg name；/dev/sdd1是上面创建的pv# lvm> vgextend centos /dev/sdd1#--查看现有的LV# lvm> lvdisplay#--LV设置扩容信息（分配的容量可查看vgdisplay的Free PE/Size）（库容的分区可查看lvdisplay）# lvm> lvextend -L +3720G /dev/centos/home#--退出# quit
#--查看硬盘使用情况, /dev/mapper/centos-home xfs# df -Th#--使用xfs命令扩容（/dev/mapper/centos-home 或 /dev/centos/home）# xfs_growfs /dev/centos/home#--重新查看硬盘使用情况# df -Th
Last login: Wed Feb 20 09:19:29 2019 from 192.168.xxx.xxxABRT has detected 1 problem(s). For more info run: abrt-cli list --since 1550624655[root@localhost ~]# fdisk -lWARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sda: 479.6 GB, 479554568192 bytes, 936630016 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk label type: gptDisk identifier: 265C500F-7FC7-47B2-8ABC-B0DB1F42A62E# Start End Size Type Name 1 2048 411647 200M EFI System EFI System Partition 2 411648 2508799 1G Microsoft basic 3 2508800 936628223 445.4G Linux LVM Disk /dev/mapper/centos-root: 53.7 GB, 53687091200 bytes, 104857600 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/mapper/centos-swap: 8120 MB, 8120172544 bytes, 15859712 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/sdb: 322 MB, 322961408 bytes, 630784 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: dosDisk identifier: 0x444d454f Device Boot Start End Blocks Id System/dev/sdb1 * 1 630783 315391+ 6 FAT16Disk /dev/mapper/centos-home: 416.5 GB, 416456638464 bytes, 813391872 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesWARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sdc: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: gptDisk identifier: 8C8D5A9C-437F-42D4-A4BD-E09E1B734C08# Start End Size Type Name 1 34 7814037134 3.7T Microsoft basic sda1Disk /dev/sdd: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: dosDisk identifier: 0x83c173dc Device Boot Start End Blocks Id System/dev/sdd1 2048 4294967294 2147482623+ 8e Linux LVM[root@localhost ~]# fdisk /dev/sddWARNING: The size of this disk is 4.0 TB (4000787030016 bytes).DOS partition table format can not be used on drives for volumeslarger than (2199023255040 bytes) for 512-byte sectors. Use parted(1) and GUID partition table format (GPT).Welcome to fdisk (util-linux 2.23.2).Changes will remain in memory only, until you decide to write them.Be careful before using the write command.Command (m for help): mCommand action a toggle a bootable flag b edit bsd disklabel c toggle the dos compatibility flag d delete a partition g create a new empty GPT partition table G create an IRIX (SGI) partition table l list known partition types m print this menu n add a new partition o create a new empty DOS partition table p print the partition table q quit without saving changes s create a new empty Sun disklabel t change a partition's system id u change display/entry units v verify the partition table w write table to disk and exit x extra functionality (experts only)Command (m for help): dSelected partition 1Partition 1 is deletedCommand (m for help): pDisk /dev/sdd: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: dosDisk identifier: 0x83c173dc Device Boot Start End Blocks Id SystemCommand (m for help): wThe partition table has been altered!Calling ioctl() to re-read partition table.Syncing disks.[root@localhost ~]# fdisk -lWARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sda: 479.6 GB, 479554568192 bytes, 936630016 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk label type: gptDisk identifier: 265C500F-7FC7-47B2-8ABC-B0DB1F42A62E# Start End Size Type Name 1 2048 411647 200M EFI System EFI System Partition 2 411648 2508799 1G Microsoft basic 3 2508800 936628223 445.4G Linux LVM Disk /dev/mapper/centos-root: 53.7 GB, 53687091200 bytes, 104857600 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/mapper/centos-swap: 8120 MB, 8120172544 bytes, 15859712 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/sdb: 322 MB, 322961408 bytes, 630784 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: dosDisk identifier: 0x444d454f Device Boot Start End Blocks Id System/dev/sdb1 * 1 630783 315391+ 6 FAT16Disk /dev/mapper/centos-home: 416.5 GB, 416456638464 bytes, 813391872 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesWARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sdc: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: gptDisk identifier: 8C8D5A9C-437F-42D4-A4BD-E09E1B734C08# Start End Size Type Name 1 34 7814037134 3.7T Microsoft basic sda1Disk /dev/sdd: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: dosDisk identifier: 0x83c173dc Device Boot Start End Blocks Id System[root@localhost ~]# lvmlvm> pvdisplay --- Physical volume --- PV Name /dev/sda3 VG Name centos PV Size 445.42 GiB / not usable 0 Allocatable yes PE Size 4.00 MiB Total PE 114028 Free PE 1 Allocated PE 114027 PV UUID BnuZik-R5j2-2iCr-9nQ4-lQH1-c4UA-RI7JqP lvm> exit Exiting.[root@localhost ~]# parted /dev/sdcGNU Parted 3.1Using /dev/sdcWelcome 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 help [COMMAND] print general help, or help on COMMAND mklabel,mktable LABEL-TYPE create a new disklabel (partition table) mkpart PART-TYPE [FS-TYPE] START END make a partition 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 resizepart NUMBER END resize partition NUMBER rm NUMBER delete partition NUMBER select DEVICE choose the device to edit disk_set FLAG STATE change the FLAG on selected device disk_toggle [FLAG] toggle the state of FLAG on selected device 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) p Model: TOSHIBA MG04SCA40ENY (scsi)Disk /dev/sdc: 4001GBSector size (logical/physical): 512B/512BPartition Table: gptDisk Flags: Number Start End Size File system Name Flags 1 17.4kB 4001GB 4001GB ext4 sda1(parted) rm 1 (parted) p Model: TOSHIBA MG04SCA40ENY (scsi)Disk /dev/sdc: 4001GBSector size (logical/physical): 512B/512BPartition Table: gptDisk Flags: Number Start End Size File system Name Flags(parted) mklabel gptWarning: The existing disk label on /dev/sdc will be destroyed and all data on this disk will be lost. Do you wantto continue?Yes/No? y (parted) mkpart Partition name? []? sd1File system type? [ext2]? ext4 Start? 0 End? 4001GB Warning: The resulting partition is not properly aligned for best performance.Ignore/Cancel? Ignore (parted) p Model: TOSHIBA MG04SCA40ENY (scsi)Disk /dev/sdc: 4001GBSector size (logical/physical): 512B/512BPartition Table: gptDisk Flags: Number Start End Size File system Name Flags 1 17.4kB 4001GB 4001GB ext4 sd1(parted) gpt align-check TYPE N check partition N for TYPE(min|opt) alignment help [COMMAND] print general help, or help on COMMAND mklabel,mktable LABEL-TYPE create a new disklabel (partition table) mkpart PART-TYPE [FS-TYPE] START END make a partition 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 resizepart NUMBER END resize partition NUMBER rm NUMBER delete partition NUMBER select DEVICE choose the device to edit disk_set FLAG STATE change the FLAG on selected device disk_toggle [FLAG] toggle the state of FLAG on selected device 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) quit Information: You may need to update /etc/fstab.[root@localhost ~]# fdisk -l WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sda: 479.6 GB, 479554568192 bytes, 936630016 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk label type: gptDisk identifier: 265C500F-7FC7-47B2-8ABC-B0DB1F42A62E# Start End Size Type Name 1 2048 411647 200M EFI System EFI System Partition 2 411648 2508799 1G Microsoft basic 3 2508800 936628223 445.4G Linux LVM Disk /dev/mapper/centos-root: 53.7 GB, 53687091200 bytes, 104857600 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/mapper/centos-swap: 8120 MB, 8120172544 bytes, 15859712 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/sdb: 322 MB, 322961408 bytes, 630784 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: dosDisk identifier: 0x444d454f Device Boot Start End Blocks Id System/dev/sdb1 * 1 630783 315391+ 6 FAT16Disk /dev/mapper/centos-home: 416.5 GB, 416456638464 bytes, 813391872 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesWARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sdc: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: gptDisk identifier: E2DCC553-3A14-479F-9496-39D0C99CB2DD# Start End Size Type Name 1 34 7814037134 3.7T Microsoft basic sd1Disk /dev/sdd: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: dosDisk identifier: 0x83c173dc Device Boot Start End Blocks Id System[root@localhost ~]# mkfs.ext4 /dev/sd1mke2fs 1.42.9 (28-Dec-2013)Could not stat /dev/sd1 --- No such file or directoryThe device apparently does not exist; did you specify it correctly?[root@localhost ~]# mkfs.ext4 /dev/sdc1mke2fs 1.42.9 (28-Dec-2013)Filesystem label=OS type: LinuxBlock size=4096 (log=2)Fragment size=4096 (log=2)Stride=0 blocks, Stripe width=0 blocks244195328 inodes, 976754637 blocks48837731 blocks (5.00%) reserved for the super userFirst data block=0Maximum filesystem blocks=312475648029809 block groups32768 blocks per group, 32768 fragments per group8192 inodes per groupSuperblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 102400000, 214990848, 512000000, 550731776, 644972544Allocating group tables: done Writing inode tables: done Creating journal (32768 blocks): doneWriting superblocks and filesystem accounting information: done [root@localhost ~]# fisdk -lbash: fisdk: command not found...[root@localhost ~]# fdisk -lWARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sda: 479.6 GB, 479554568192 bytes, 936630016 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk label type: gptDisk identifier: 265C500F-7FC7-47B2-8ABC-B0DB1F42A62E# Start End Size Type Name 1 2048 411647 200M EFI System EFI System Partition 2 411648 2508799 1G Microsoft basic 3 2508800 936628223 445.4G Linux LVM Disk /dev/mapper/centos-root: 53.7 GB, 53687091200 bytes, 104857600 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/mapper/centos-swap: 8120 MB, 8120172544 bytes, 15859712 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/sdb: 322 MB, 322961408 bytes, 630784 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: dosDisk identifier: 0x444d454f Device Boot Start End Blocks Id System/dev/sdb1 * 1 630783 315391+ 6 FAT16Disk /dev/mapper/centos-home: 416.5 GB, 416456638464 bytes, 813391872 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesWARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sdc: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: gptDisk identifier: E2DCC553-3A14-479F-9496-39D0C99CB2DD# Start End Size Type Name 1 34 7814037134 3.7T Microsoft basic sd1Disk /dev/sdd: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: dosDisk identifier: 0x83c173dc Device Boot Start End Blocks Id System[root@localhost ~]# lvmlvm> pvcreate /dev/sdc1WARNING: ext4 signature detected on /dev/sdc1 at offset 1080. Wipe it? [y/n]: y Wiping ext4 signature on /dev/sdc1. Physical volume "/dev/sdc1" successfully created.lvm> quit Exiting.[root@localhost ~]# ef -hbash: ef: command not found...[root@localhost ~]# df -hFilesystem Size Used Avail Use% Mounted on/dev/mapper/centos-root 50G 5.8G 45G 12% /devtmpfs 7.5G 0 7.5G 0% /devtmpfs 7.5G 0 7.5G 0% /dev/shmtmpfs 7.5G 12M 7.5G 1% /runtmpfs 7.5G 0 7.5G 0% /sys/fs/cgroup/dev/sda2 1014M 162M 853M 16% /boot/dev/sda1 200M 9.8M 191M 5% /boot/efi/dev/mapper/centos-home 388G 37M 388G 1% /home/dev/sdb1 308M 0 308M 0% /run/media/abc/OEMDRVtmpfs 1.5G 4.0K 1.5G 1% /run/user/42tmpfs 1.5G 64K 1.5G 1% /run/user/0[root@localhost ~]# fdisk -lWARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sda: 479.6 GB, 479554568192 bytes, 936630016 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk label type: gptDisk identifier: 265C500F-7FC7-47B2-8ABC-B0DB1F42A62E# Start End Size Type Name 1 2048 411647 200M EFI System EFI System Partition 2 411648 2508799 1G Microsoft basic 3 2508800 936628223 445.4G Linux LVM Disk /dev/mapper/centos-root: 53.7 GB, 53687091200 bytes, 104857600 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/mapper/centos-swap: 8120 MB, 8120172544 bytes, 15859712 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/sdb: 322 MB, 322961408 bytes, 630784 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: dosDisk identifier: 0x444d454f Device Boot Start End Blocks Id System/dev/sdb1 * 1 630783 315391+ 6 FAT16Disk /dev/mapper/centos-home: 416.5 GB, 416456638464 bytes, 813391872 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesWARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sdc: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: gptDisk identifier: E2DCC553-3A14-479F-9496-39D0C99CB2DD# Start End Size Type Name 1 34 7814037134 3.7T Microsoft basic sd1Disk /dev/sdd: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: dosDisk identifier: 0x83c173dc Device Boot Start End Blocks Id System[root@localhost ~]# lvmlvm> vgdisplay --- Volume group --- VG Name centos System ID Format lvm2 Metadata Areas 1 Metadata Sequence No 4 VG Access read/write VG Status resizable MAX LV 0 Cur LV 3 Open LV 3 Max PV 0 Cur PV 1 Act PV 1 VG Size 445.42 GiB PE Size 4.00 MiB Total PE 114028 Alloc PE / Size 114027 / <445.42 GiB Free PE / Size 1 / 4.00 MiB VG UUID UN00Ou-xPuX-tqat-6fYF-QcJD-Dssu-ISE8h5 lvm> vgextend centos /dev/sdc1 Volume group "centos" successfully extendedlvm> vgdisplay --- Volume group --- VG Name centos System ID Format lvm2 Metadata Areas 2 Metadata Sequence No 5 VG Access read/write VG Status resizable MAX LV 0 Cur LV 3 Open LV 3 Max PV 0 Cur PV 2 Act PV 2 VG Size 4.07 TiB PE Size 4.00 MiB Total PE 1067889 Alloc PE / Size 114027 / <445.42 GiB Free PE / Size 953862 / <3.64 TiB VG UUID UN00Ou-xPuX-tqat-6fYF-QcJD-Dssu-ISE8h5 lvm> lvextend -L +100%FREE /dev/mapper/centos-root Can't parse size argument. Invalid argument for --size: +100%FREE Error during parsing of command line.lvm> lvextend -L +3639G /dev/mapper/centos-root Size of logical volume centos/root changed from 50.00 GiB (12800 extents) to 3.60 TiB (944384 extents). Logical volume centos/root successfully resized.lvm> pvdisplay --- Physical volume --- PV Name /dev/sda3 VG Name centos PV Size 445.42 GiB / not usable 0 Allocatable yes (but full) PE Size 4.00 MiB Total PE 114028 Free PE 0 Allocated PE 114028 PV UUID BnuZik-R5j2-2iCr-9nQ4-lQH1-c4UA-RI7JqP --- Physical volume --- PV Name /dev/sdc1 VG Name centos PV Size <3.64 TiB / not usable 3.80 MiB Allocatable yes PE Size 4.00 MiB Total PE 953861 Free PE 22278 Allocated PE 931583 PV UUID sgv4wR-EDls-XzS9-Owey-koQP-kXH8-Uo6G7K lvm> vgdisplay --- Volume group --- VG Name centos System ID Format lvm2 Metadata Areas 2 Metadata Sequence No 6 VG Access read/write VG Status resizable MAX LV 0 Cur LV 3 Open LV 3 Max PV 0 Cur PV 2 Act PV 2 VG Size 4.07 TiB PE Size 4.00 MiB Total PE 1067889 Alloc PE / Size 1045611 / <3.99 TiB Free PE / Size 22278 / 87.02 GiB VG UUID UN00Ou-xPuX-tqat-6fYF-QcJD-Dssu-ISE8h5 lvm> quit Exiting.[root@localhost ~]# xfs_growfs /dev/mapper/centos-rootmeta-data=/dev/mapper/centos-root isize=512 agcount=4, agsize=3276800 blks = sectsz=4096 attr=2, projid32bit=1 = crc=1 finobt=0 spinodes=0data = bsize=4096 blocks=13107200, imaxpct=25 = sunit=0 swidth=0 blksnaming =version 2 bsize=4096 ascii-ci=0 ftype=1log =internal bsize=4096 blocks=6400, version=2 = sectsz=4096 sunit=1 blks, lazy-count=1realtime =none extsz=4096 blocks=0, rtextents=0data blocks changed from 13107200 to 967049216[root@localhost ~]# df -hFilesystem Size Used Avail Use% Mounted on/dev/mapper/centos-root 3.7T 5.8G 3.6T 1% /devtmpfs 7.5G 0 7.5G 0% /devtmpfs 7.5G 0 7.5G 0% /dev/shmtmpfs 7.5G 12M 7.5G 1% /runtmpfs 7.5G 0 7.5G 0% /sys/fs/cgroup/dev/sda2 1014M 162M 853M 16% /boot/dev/sda1 200M 9.8M 191M 5% /boot/efi/dev/mapper/centos-home 388G 37M 388G 1% /home/dev/sdb1 308M 0 308M 0% /run/media/abc/OEMDRVtmpfs 1.5G 4.0K 1.5G 1% /run/user/42tmpfs 1.5G 64K 1.5G 1% /run/user/0
[root@localhost ~]# fdisk -lWARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sdb: 479.6 GB, 479554568192 bytes, 936630016 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk label type: gptDisk identifier: 265C500F-7FC7-47B2-8ABC-B0DB1F42A62E# Start End Size Type Name 1 2048 411647 200M EFI System EFI System Partition 2 411648 2508799 1G Microsoft basic 3 2508800 936628223 445.4G Linux LVM WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sda: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: gptDisk identifier: E2DCC553-3A14-479F-9496-39D0C99CB2DD# Start End Size Type Name 1 34 7814037134 3.7T Microsoft basic sd1Disk /dev/mapper/centos-root: 3961.0 GB, 3961033588736 bytes, 7736393728 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/mapper/centos-swap: 8120 MB, 8120172544 bytes, 15859712 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/mapper/centos-home: 416.5 GB, 416456638464 bytes, 813391872 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/sdc: 322 MB, 322961408 bytes, 630784 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: dosDisk identifier: 0x444d454f Device Boot Start End Blocks Id System/dev/sdc1 * 1 630783 315391+ 6 FAT16Disk /dev/sdd: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: dosDisk identifier: 0x83c173dc Device Boot Start End Blocks Id System[root@localhost ~]# parted /dev/sddGNU Parted 3.1Using /dev/sddWelcome to GNU Parted! Type 'help' to view a list of commands.(parted) p Model: SEAGATE ST4000NM0025 (scsi)Disk /dev/sdd: 4001GBSector size (logical/physical): 512B/512BPartition Table: msdosDisk Flags: Number Start End Size Type File system Flags(parted) mklabel gpt Warning: The existing disk label on /dev/sdd will be destroyed and all data on this disk will be lost. Do you wantto continue?Yes/No? y (parted) mkpart Partition name? []? sd2 File system type? [ext2]? ext4 Start? 0 End? 4001GB Warning: The resulting partition is not properly aligned for best performance.Ignore/Cancel? Ignore(parted) p Model: SEAGATE ST4000NM0025 (scsi)Disk /dev/sdd: 4001GBSector size (logical/physical): 512B/512BPartition Table: gptDisk Flags: Number Start End Size File system Name Flags 1 17.4kB 4001GB 4001GB sd2(parted) quitInformation: You may need to update /etc/fstab.[root@localhost ~]# mkfs.ext4 /dev/sd2mke2fs 1.42.9 (28-Dec-2013)Could not stat /dev/sd2 --- No such file or directoryThe device apparently does not exist; did you specify it correctly?[root@localhost ~]# fdisk -lWARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sdb: 479.6 GB, 479554568192 bytes, 936630016 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk label type: gptDisk identifier: 265C500F-7FC7-47B2-8ABC-B0DB1F42A62E# Start End Size Type Name 1 2048 411647 200M EFI System EFI System Partition 2 411648 2508799 1G Microsoft basic 3 2508800 936628223 445.4G Linux LVM WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sda: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: gptDisk identifier: E2DCC553-3A14-479F-9496-39D0C99CB2DD# Start End Size Type Name 1 34 7814037134 3.7T Microsoft basic sd1Disk /dev/mapper/centos-root: 3961.0 GB, 3961033588736 bytes, 7736393728 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/mapper/centos-swap: 8120 MB, 8120172544 bytes, 15859712 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/mapper/centos-home: 416.5 GB, 416456638464 bytes, 813391872 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/sdc: 322 MB, 322961408 bytes, 630784 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: dosDisk identifier: 0x444d454f Device Boot Start End Blocks Id System/dev/sdc1 * 1 630783 315391+ 6 FAT16WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sdd: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: gptDisk identifier: 87D03097-5A19-48F7-A23B-78314D0F2BB6# Start End Size Type Name 1 34 7814037134 3.7T Microsoft basic sd2[root@localhost ~]# mkfs.ext4 /dev/sdd1mke2fs 1.42.9 (28-Dec-2013)Filesystem label=OS type: LinuxBlock size=4096 (log=2)Fragment size=4096 (log=2)Stride=0 blocks, Stripe width=0 blocks244195328 inodes, 976754637 blocks48837731 blocks (5.00%) reserved for the super userFirst data block=0Maximum filesystem blocks=312475648029809 block groups32768 blocks per group, 32768 fragments per group8192 inodes per groupSuperblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 102400000, 214990848, 512000000, 550731776, 644972544Allocating group tables: done Writing inode tables: done Creating journal (32768 blocks): doneWriting superblocks and filesystem accounting information: done [root@localhost ~]# lvmlvm> pvcreate /dev/sdd1^C[root@localhost ~]# lvmlvm> pvcreate /dev/sdd1WARNING: ext4 signature detected on /dev/sdd1 at offset 1080. Wipe it? [y/n]: y Wiping ext4 signature on /dev/sdd1. Physical volume "/dev/sdd1" successfully created.lvm> vgdisplay --- Volume group --- VG Name centos System ID Format lvm2 Metadata Areas 2 Metadata Sequence No 6 VG Access read/write VG Status resizable MAX LV 0 Cur LV 3 Open LV 3 Max PV 0 Cur PV 2 Act PV 2 VG Size 4.07 TiB PE Size 4.00 MiB Total PE 1067889 Alloc PE / Size 1045611 / <3.99 TiB Free PE / Size 22278 / 87.02 GiB VG UUID UN00Ou-xPuX-tqat-6fYF-QcJD-Dssu-ISE8h5 lvm> vgextend centos /dev/sdd1 Volume group "centos" successfully extendedlvm> vgdisplay --- Volume group --- VG Name centos System ID Format lvm2 Metadata Areas 3 Metadata Sequence No 7 VG Access read/write VG Status resizable MAX LV 0 Cur LV 3 Open LV 3 Max PV 0 Cur PV 3 Act PV 3 VG Size 7.71 TiB PE Size 4.00 MiB Total PE 2021750 Alloc PE / Size 1045611 / <3.99 TiB Free PE / Size 976139 / 3.72 TiB VG UUID UN00Ou-xPuX-tqat-6fYF-QcJD-Dssu-ISE8h5 lvm> lvdisplay --- Logical volume --- LV Path /dev/centos/swap LV Name swap VG Name centos LV UUID e3tU2L-yiAu-0d91-gCUc-pK2b-UA1J-qefwSf LV Write Access read/write LV Creation host, time localhost.localdomain, 2019-02-19 20:10:51 +0800 LV Status available # open 2 LV Size 7.56 GiB Current LE 1936 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:1 --- Logical volume --- LV Path /dev/centos/home LV Name home VG Name centos LV UUID A2SjOW-ptcT-MPDF-lmJr-Jubo-soFq-OVdaAr LV Write Access read/write LV Creation host, time localhost.localdomain, 2019-02-19 20:10:51 +0800 LV Status available # open 1 LV Size <387.86 GiB Current LE 99291 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:2 --- Logical volume --- LV Path /dev/centos/root LV Name root VG Name centos LV UUID D3trQp-dXuk-oWog-VQMO-MmMp-bLUm-6Kpxei LV Write Access read/write LV Creation host, time localhost.localdomain, 2019-02-19 20:10:52 +0800 LV Status available # open 1 LV Size 3.60 TiB Current LE 944384 Segments 2 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:0 lvm> vgdispaly No such command 'vgdispaly'. Try 'help'.lvm> vgdisplay --- Volume group --- VG Name centos System ID Format lvm2 Metadata Areas 3 Metadata Sequence No 7 VG Access read/write VG Status resizable MAX LV 0 Cur LV 3 Open LV 3 Max PV 0 Cur PV 3 Act PV 3 VG Size 7.71 TiB PE Size 4.00 MiB Total PE 2021750 Alloc PE / Size 1045611 / <3.99 TiB Free PE / Size 976139 / 3.72 TiB VG UUID UN00Ou-xPuX-tqat-6fYF-QcJD-Dssu-ISE8h5 lvm> lvextend -L +4000G /dev/centos/home Insufficient free space: 1024000 extents needed, but only 976139 availablelvm> vgdisplay --- Volume group --- VG Name centos System ID Format lvm2 Metadata Areas 3 Metadata Sequence No 7 VG Access read/write VG Status resizable MAX LV 0 Cur LV 3 Open LV 3 Max PV 0 Cur PV 3 Act PV 3 VG Size 7.71 TiB PE Size 4.00 MiB Total PE 2021750 Alloc PE / Size 1045611 / <3.99 TiB Free PE / Size 976139 / 3.72 TiB VG UUID UN00Ou-xPuX-tqat-6fYF-QcJD-Dssu-ISE8h5 lvm> lvextend -L +7720G /dev/centos/home Insufficient free space: 1976320 extents needed, but only 976139 availablelvm> lvextend -L +3720G /dev/centos/home Size of logical volume centos/home changed from <387.86 GiB (99291 extents) to 4.01 TiB (1051611 extents). Logical volume centos/home successfully resized.lvm> vgdisplay --- Volume group --- VG Name centos System ID Format lvm2 Metadata Areas 3 Metadata Sequence No 8 VG Access read/write VG Status resizable MAX LV 0 Cur LV 3 Open LV 3 Max PV 0 Cur PV 3 Act PV 3 VG Size 7.71 TiB PE Size 4.00 MiB Total PE 2021750 Alloc PE / Size 1997931 / 7.62 TiB Free PE / Size 23819 / 93.04 GiB VG UUID UN00Ou-xPuX-tqat-6fYF-QcJD-Dssu-ISE8h5 lvm> quit Exiting.[root@localhost ~]# df -hFilesystem Size Used Avail Use% Mounted on/dev/mapper/centos-root 3.7T 5.8G 3.6T 1% /devtmpfs 7.5G 0 7.5G 0% /devtmpfs 7.5G 0 7.5G 0% /dev/shmtmpfs 7.5G 12M 7.5G 1% /runtmpfs 7.5G 0 7.5G 0% /sys/fs/cgroup/dev/sdb2 1014M 162M 853M 16% /boot/dev/sdb1 200M 9.8M 191M 5% /boot/efi/dev/mapper/centos-home 388G 37M 388G 1% /hometmpfs 1.5G 4.0K 1.5G 1% /run/user/42tmpfs 1.5G 32K 1.5G 1% /run/user/0/dev/sdc1 308M 0 308M 0% /run/media/root/OEMDRV[root@localhost ~]# df -ThFilesystem Type Size Used Avail Use% Mounted on/dev/mapper/centos-root xfs 3.7T 5.8G 3.6T 1% /devtmpfs devtmpfs 7.5G 0 7.5G 0% /devtmpfs tmpfs 7.5G 0 7.5G 0% /dev/shmtmpfs tmpfs 7.5G 12M 7.5G 1% /runtmpfs tmpfs 7.5G 0 7.5G 0% /sys/fs/cgroup/dev/sdb2 xfs 1014M 162M 853M 16% /boot/dev/sdb1 vfat 200M 9.8M 191M 5% /boot/efi/dev/mapper/centos-home xfs 388G 37M 388G 1% /hometmpfs tmpfs 1.5G 4.0K 1.5G 1% /run/user/42tmpfs tmpfs 1.5G 32K 1.5G 1% /run/user/0/dev/sdc1 vfat 308M 0 308M 0% /run/media/root/OEMDRV[root@localhost ~]# xfs_growfs /dev/centos/homemeta-data=/dev/mapper/centos-home isize=512 agcount=4, agsize=25418496 blks = sectsz=4096 attr=2, projid32bit=1 = crc=1 finobt=0 spinodes=0data = bsize=4096 blocks=101673984, imaxpct=25 = sunit=0 swidth=0 blksnaming =version 2 bsize=4096 ascii-ci=0 ftype=1log =internal bsize=4096 blocks=49645, version=2 = sectsz=4096 sunit=1 blks, lazy-count=1realtime =none extsz=4096 blocks=0, rtextents=0data blocks changed from 101673984 to 1076849664[root@localhost ~]# df -ThFilesystem Type Size Used Avail Use% Mounted on/dev/mapper/centos-root xfs 3.7T 5.8G 3.6T 1% /devtmpfs devtmpfs 7.5G 0 7.5G 0% /devtmpfs tmpfs 7.5G 0 7.5G 0% /dev/shmtmpfs tmpfs 7.5G 12M 7.5G 1% /runtmpfs tmpfs 7.5G 0 7.5G 0% /sys/fs/cgroup/dev/sdb2 xfs 1014M 162M 853M 16% /boot/dev/sdb1 vfat 200M 9.8M 191M 5% /boot/efi/dev/mapper/centos-home xfs 4.1T 38M 4.1T 1% /hometmpfs tmpfs 1.5G 4.0K 1.5G 1% /run/user/42tmpfs tmpfs 1.5G 32K 1.5G 1% /run/user/0/dev/sdc1 vfat 308M 0 308M 0% /run/media/root/OEMDRV[root@localhost ~]# fdisk -lWARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sdb: 479.6 GB, 479554568192 bytes, 936630016 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk label type: gptDisk identifier: 265C500F-7FC7-47B2-8ABC-B0DB1F42A62E# Start End Size Type Name 1 2048 411647 200M EFI System EFI System Partition 2 411648 2508799 1G Microsoft basic 3 2508800 936628223 445.4G Linux LVM WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sda: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: gptDisk identifier: E2DCC553-3A14-479F-9496-39D0C99CB2DD# Start End Size Type Name 1 34 7814037134 3.7T Microsoft basic sd1Disk /dev/mapper/centos-root: 3961.0 GB, 3961033588736 bytes, 7736393728 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/mapper/centos-swap: 8120 MB, 8120172544 bytes, 15859712 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesDisk /dev/mapper/centos-home: 4410.8 GB, 4410776223744 bytes, 8614797312 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 4096 bytesI/O size (minimum/optimal): 4096 bytes / 4096 bytesWARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.Disk /dev/sdd: 4000.8 GB, 4000787030016 bytes, 7814037168 sectorsUnits = sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisk label type: gptDisk identifier: 87D03097-5A19-48F7-A23B-78314D0F2BB6# Start End Size Type Name 1 34 7814037134 3.7T Microsoft basic sd2[root@localhost ~]# 连接断开连接成功Last login: Wed Feb 20 10:05:24 2019 from 192.168.xxx.xxx[root@localhost ~]# df -ThFilesystem Type Size Used Avail Use% Mounted on/dev/mapper/centos-root xfs 3.7T 5.8G 3.6T 1% /devtmpfs devtmpfs 7.5G 0 7.5G 0% /devtmpfs tmpfs 7.5G 0 7.5G 0% /dev/shmtmpfs tmpfs 7.5G 11M 7.5G 1% /runtmpfs tmpfs 7.5G 0 7.5G 0% /sys/fs/cgroup/dev/sdc2 xfs 1014M 162M 853M 16% /boot/dev/sdc1 vfat 200M 9.8M 191M 5% /boot/efi/dev/mapper/centos-home xfs 4.1T 38M 4.1T 1% /hometmpfs tmpfs 1.5G 8.0K 1.5G 1% /run/user/42tmpfs tmpfs 1.5G 0 1.5G 0% /run/user/0[root@localhost ~]# lvmlvm> vgdisplay --- Volume group --- VG Name centos System ID Format lvm2 Metadata Areas 3 Metadata Sequence No 8 VG Access read/write VG Status resizable MAX LV 0 Cur LV 3 Open LV 3 Max PV 0 Cur PV 3 Act PV 3 VG Size 7.71 TiB PE Size 4.00 MiB Total PE 2021750 Alloc PE / Size 1997931 / 7.62 TiB Free PE / Size 23819 / 93.04 GiB VG UUID UN00Ou-xPuX-tqat-6fYF-QcJD-Dssu-ISE8h5 lvm> lvextend -L +93G /dev/centos/root Size of logical volume centos/root changed from 3.60 TiB (944384 extents) to 3.69 TiB (968192 extents). Logical volume centos/root successfully resized.lvm> vgdisplay --- Volume group --- VG Name centos System ID Format lvm2 Metadata Areas 3 Metadata Sequence No 9 VG Access read/write VG Status resizable MAX LV 0 Cur LV 3 Open LV 3 Max PV 0 Cur PV 3 Act PV 3 VG Size 7.71 TiB PE Size 4.00 MiB Total PE 2021750 Alloc PE / Size 2021739 / 7.71 TiB Free PE / Size 11 / 44.00 MiB VG UUID UN00Ou-xPuX-tqat-6fYF-QcJD-Dssu-ISE8h5 lvm> quit Exiting.[root@localhost ~]# xfs_growfs /dev/centos/rootmeta-data=/dev/mapper/centos-root isize=512 agcount=296, agsize=3276800 blks = sectsz=4096 attr=2, projid32bit=1 = crc=1 finobt=0 spinodes=0data = bsize=4096 blocks=967049216, imaxpct=25 = sunit=0 swidth=0 blksnaming =version 2 bsize=4096 ascii-ci=0 ftype=1log =internal bsize=4096 blocks=6400, version=2 = sectsz=4096 sunit=1 blks, lazy-count=1realtime =none extsz=4096 blocks=0, rtextents=0data blocks changed from 967049216 to 991428608[root@localhost ~]# df -hFilesystem Size Used Avail Use% Mounted on/dev/mapper/centos-root 3.7T 5.8G 3.7T 1% /devtmpfs 7.5G 0 7.5G 0% /devtmpfs 7.5G 0 7.5G 0% /dev/shmtmpfs 7.5G 11M 7.5G 1% /runtmpfs 7.5G 0 7.5G 0% /sys/fs/cgroup/dev/sdc2 1014M 162M 853M 16% /boot/dev/sdc1 200M 9.8M 191M 5% /boot/efi/dev/mapper/centos-home 4.1T 38M 4.1T 1% /hometmpfs 1.5G 12K 1.5G 1% /run/user/42tmpfs 1.5G 0 1.5G 0% /run/user/0
# fdisk /dev/sdd# --根据输入 m 的提示，输入 d 可删除分区，如果只有1个分区，自动删除，如果多个分区，需要输入分区数字Command (m for help): d#--退出# quit
# parted /dev/sdd#--输入 p 显示硬盘信息# (parted) p#--删除 1 分区# (parted) rm 1#--退出# quit
转载地址：http://cknws.baihongyu.com/