检测数据盘
[root@iZ8vba689kou8r8sq4yw44Z ~]# fdisk -l Disk /dev/vda: 40 GiB, 42949672960 bytes, 83886080 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0x951dd9ee Device Boot Start End Sectors Size Id Type /dev/vda1 * 2048 83886046 83883999 40G 83 Linux Disk /dev/vdb: 1000 GiB, 1073741824000 bytes, 2097152000 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes
开始分区
[root@iZ8vba689kou8r8sq4yw44Z ~]# parted /dev/vdb GNU Parted 3.2 Using /dev/vdb 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 help [COMMAND] print general help, or help on COMMAND mklabel,mktable LABEL-TYPE create a new disklabel (partition table) ## 创建一个新的磁盘标签（分区表） mkpart PART-TYPE [FS-TYPE] START END make a partition ## 从start扇区到END扇区创建一个分区 name NUMBER NAME name partition NUMBER as NAME ## 命名第NUMBER号分区为NAME print [devices|free|list,all|NUMBER] display the partition table, available devices, free space, all ## 打印分区表，可用设备，剩余空间，所有的分区，或特定分区 found partitions, or a particular partition quit exit program ## 退出 rescue START END rescue a lost partition near START and END ## 找回从START到END扇区丢失的分区 resizepart NUMBER END resize partition NUMBER rm NUMBER delete partition NUMBER ## 删除编号分区 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) help mklabel mklabel,mktable LABEL-TYPE create a new disklabel (partition table) LABEL-TYPE is one of: atari, aix, amiga, bsd, dvh, gpt, mac, msdos, pc98, sun, loop
(parted) mklabel gpt
(parted) help mkpart mkpart PART-TYPE [FS-TYPE] START END make a partition PART-TYPE is one of: primary, logical, extended FS-TYPE is one of: btrfs, nilfs2, ext4, ext3, ext2, fat32, fat16, hfsx, hfs+, hfs, jfs, swsusp, linux-swap(v1), linux-swap(v0), ntfs, reiserfs, hp-ufs, sun-ufs, xfs, apfs2, apfs1, asfs, amufs5, amufs4, amufs3, amufs2, amufs1, amufs0, amufs, affs7, affs6, affs5, affs4, affs3, affs2, affs1, affs0, linux-swap, linux-swap(new), linux-swap(old) START and END are disk locations, such as 4GB or 10%. Negative values count from the end of the disk. For example, -1s specifies exactly the last sector. 'mkpart' makes a partition without creating a new file system on the partition. FS-TYPE may be specified to set an appropriate partition ID.
(parted) mkpart primary 1 100% ## mkpart primary <原分区的起始扇区> <容量分配百分比,也可以使用单位> (parted) align-check optimal 1 1 aligned
如果返回的是1 not aligned，说明分区未对齐，建议您运行以下命令 ，再根据（<optimal_io_size>+<alignment_offset>）/<physical_block_size>的公式计算出最佳分区模式的起始扇区值。
假设1024为计算得出的推荐扇区值，可以运行mkpart primary 1024s 100%重新划分一个主分区 [root@ecshost~ ]# cat /sys/block/vdb/queue/optimal_io_size [root@ecshost~ ]# cat /sys/block/vdb/queue/minimum_io_size [root@ecshost~ ]# cat /sys/block/vdb/alignment_offset [root@ecshost~ ]# cat /sys/block/vdb/queue/physical_block_size
(parted) print Model: Virtio Block Device (virtblk) Disk /dev/vdb: 1074GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags: Number Start End Size File system Name Flags 1 1049kB 1074GB 1074GB primary
通知内核分区表发生变化，创建文件系统
[root@iZ8vba689kou8r8sq4yw44Z ~]# partprobe [root@iZ8vba689kou8r8sq4yw44Z ~]# mkfs -t xfs /dev/vdb1 meta-data=/dev/vdb1 isize=512 agcount=4, agsize=65535872 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=1, sparse=1, rmapbt=0 = reflink=1 data = bsize=4096 blocks=262143488, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0, ftype=1 log =internal log bsize=4096 blocks=127999, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0
挂载
[root@iZ8vba689kou8r8sq4yw44Z ~]# mkdir /data [root@iZ8vba689kou8r8sq4yw44Z ~]# mount /dev/vdb1 /data [root@iZ8vba689kou8r8sq4yw44Z ~]# df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 396M 0 396M 0% /dev tmpfs 411M 0 411M 0% /dev/shm tmpfs 411M 480K 411M 1% /run tmpfs 411M 0 411M 0% /sys/fs/cgroup /dev/vda1 40G 2.6G 38G 7% / tmpfs 83M 0 83M 0% /run/user/0 /dev/vdb1 1000G 7.1G 993G 1% /data
添加自动挂载
向/etc/fstab写入新分区信息，启动开机自动挂载分区 备份etc/fstab [root@iZ8vba689kou8r8sq4yw44Z ~]# cp /etc/fstab /etc/fstab.bak [root@iZ8vba689kou8r8sq4yw44Z ~]# echo `blkid /dev/vdb1 | awk '{print $2}' | sed 's/"//g'` /data xfs defaults 0 0 >> /etc/fstab
对已分区的GPT进行扩容
我这里用的是阿里的ecs，并且将磁盘由1T扩容至3T，将/etc/fstab里的挂载信息注释了，然后重启了服务器
1、先将挂载的磁盘卸载
2、开始分区
[root@iZ8vba689kou8r8sq4yw44Z ~]# parted /dev/vdb GNU Parted 3.2 Using /dev/vdb Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) print Warning: Not all of the space available to /dev/vdb appears to be used, you can fix the GPT to use all of the ## 提示该磁盘GPT分区不是所有空间可用，建议修复 全部选择Fix space (an extra 4194304000 blocks) or continue with the current setting? Fix/Ignore? Fix Model: Virtio Block Device (virtblk) Disk /dev/vdb: 3221GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags: Number Start End Size File system Name Flags 1 1049kB 1074GB 1074GB xfs primary
删除已有分区
(parted) rm 1 (parted) print Model: Virtio Block Device (virtblk) Disk /dev/vdb: 3221GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags: Number Start End Size File system Name Flags
重新创建主分区
(parted) mkpart primary 1049kB 100% (parted) print Model: Virtio Block Device (virtblk) Disk /dev/vdb: 3221GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags: Number Start End Size File system Name Flags 1 1049kB 3221GB 3221GB primary (parted) quit Information: You may need to update /etc/fstab.
检查一致性
[root@iZ8vba689kou8r8sq4yw44Z ~]# xfs_repair -n /dev/vdb1 Phase 1 - find and verify superblock... Phase 2 - using internal log - zero log... - scan filesystem freespace and inode maps... - found root inode chunk Phase 3 - for each AG... - scan (but don't clear) agi unlinked lists... - process known inodes and perform inode discovery... - agno = 0 - agno = 1 - agno = 2 - agno = 3 - process newly discovered inodes... Phase 4 - check for duplicate blocks... - setting up duplicate extent list... - check for inodes claiming duplicate blocks... - agno = 0 - agno = 1 - agno = 2 - agno = 3 No modify flag set, skipping phase 5 Phase 6 - check inode connectivity... - traversing filesystem ... - traversal finished ... - moving disconnected inodes to lost+found ... Phase 7 - verify link counts... No modify flag set, skipping filesystem flush and exiting.
重新挂载分区
[root@iZ8vba689kou8r8sq4yw44Z ~]# mount /dev/vdb1 /data [root@iZ8vba689kou8r8sq4yw44Z ~]# df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 396M 0 396M 0% /dev tmpfs 411M 0 411M 0% /dev/shm tmpfs 411M 464K 411M 1% /run tmpfs 411M 0 411M 0% /sys/fs/cgroup /dev/vda1 40G 2.6G 38G 7% / tmpfs 83M 0 83M 0% /run/user/0 /dev/vdb1 1000G 7.1G 993G 1% /data
我这里是centos8.0的操作系统
[root@iZ8vba689kou8r8sq4yw44Z ~]# uname -r 4.18.0-147.5.1.el8_1.x86_64
扩容的时候命令变了，只能对挂载点进行操作
[root@iZ8vba689kou8r8sq4yw44Z ~]# xfs_growfs /dev/vdb1 xfs_growfs: /dev/vdb1 is not a mounted XFS filesystem [root@iZ8vba689kou8r8sq4yw44Z ~]# xfs_growfs /data meta-data=/dev/vdb1 isize=512 agcount=4, agsize=65535872 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=1, sparse=1, rmapbt=0 = reflink=1 data = bsize=4096 blocks=262143488, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0, ftype=1 log =internal log bsize=4096 blocks=127999, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0 data blocks changed from 262143488 to 786431488
查看挂载后的磁盘空间
[root@iZ8vba689kou8r8sq4yw44Z ~]# df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 396M 0 396M 0% /dev tmpfs 411M 0 411M 0% /dev/shm tmpfs 411M 464K 411M 1% /run tmpfs 411M 0 411M 0% /sys/fs/cgroup /dev/vda1 40G 2.6G 38G 7% / tmpfs 83M 0 83M 0% /run/user/0 /dev/vdb1 3.0T 21G 3.0T 1% /data
新增GPT分区并格式化
为了测试，将之前的分区删掉，再次创建一个1T的分区
[root@iZ8vba689kou8r8sq4yw44Z ~]# parted /dev/vdb GNU Parted 3.2 Using /dev/vdb Welcome to GNU Parted! Type 'help' to view a list of commands. (parted) print Model: Virtio Block Device (virtblk) Disk /dev/vdb: 3221GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags: Number Start End Size File system Name Flags (parted) mkpart primary 1 1T (parted) print Model: Virtio Block Device (virtblk) Disk /dev/vdb: 3221GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags: Number Start End Size File system Name Flags 1 1049kB 1000GB 1000GB primary
(parted) align-check opt 1 1 aligned (parted) print Model: Virtio Block Device (virtblk) Disk /dev/vdb: 3221GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags: Number Start End Size File system Name Flags 1 1049kB 1000GB 1000GB primary (parted) quit Information: You may need to update /etc/fstab.
查看分区情况
[root@iZ8vba689kou8r8sq4yw44Z ~]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT vda 253:0 0 40G 0 disk └─vda1 253:1 0 40G 0 part / vdb 253:16 0 3T 0 disk └─vdb1 253:17 0 931.3G 0 part
分区表的变化通知内核
[root@iZ8vba689kou8r8sq4yw44Z ~]# partprobe
创建文件系统
[root@iZ8vba689kou8r8sq4yw44Z ~]# mkfs.xfs -f /dev/vdb1 meta-data=/dev/vdb1 isize=512 agcount=4, agsize=61035072 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=1, sparse=1, rmapbt=0 = reflink=1 data = bsize=4096 blocks=244140288, imaxpct=25 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0, ftype=1 log =internal log bsize=4096 blocks=119209, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0
查看磁盘待分配容量
[root@iZ8vba689kou8r8sq4yw44Z ~]# parted /dev/vdb GNU Parted 3.2 Using /dev/vdb Welcome to GNU Parted! Type 'help' to view a list of commands. (parted) print free Model: Virtio Block Device (virtblk) Disk /dev/vdb: 3221GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags: Number Start End Size File system Name Flags 17.4kB 1049kB 1031kB Free Space 1 1049kB 1000GB 1000GB xfs primary 1000GB 3221GB 2221GB Free Space
可以看到，第一个分区扇区起始位置是1049kB，结束扇区为1000GB
分配另一个分区
mkpart <分区名称> <起始扇区> <容量分配百分比>
(parted) mkpart test 1000GB 100% (parted) print Model: Virtio Block Device (virtblk) Disk /dev/vdb: 3221GB Sector size (logical/physical): 512B/512B Partition Table: gpt Disk Flags: Number Start End Size File system Name Flags 1 1049kB 1000GB 1000GB xfs primary 2 1000GB 3221GB 2221GB test (parted) quit Information: You may need to update /etc/fstab.
为新分区创建文件系统
[root@iZ8vba689kou8r8sq4yw44Z ~]# mkfs.xfs -f /dev/vdb2 meta-data=/dev/vdb2 isize=512 agcount=4, agsize=135572800 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=1, sparse=1, rmapbt=0 = reflink=1 data = bsize=4096 blocks=542291200, imaxpct=5 = sunit=0 swidth=0 blks naming =version 2 bsize=4096 ascii-ci=0, ftype=1 log =internal log bsize=4096 blocks=264790, version=2 = sectsz=512 sunit=0 blks, lazy-count=1 realtime =none extsz=4096 blocks=0, rtextents=0
查看分区容量变化
[root@iZ8vba689kou8r8sq4yw44Z ~]# fdisk -l Disk /dev/vda: 40 GiB, 42949672960 bytes, 83886080 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: dos Disk identifier: 0x951dd9ee Device Boot Start End Sectors Size Id Type /dev/vda1 * 2048 83886046 83883999 40G 83 Linux Disk /dev/vdb: 3 TiB, 3221225472000 bytes, 6291456000 sectors Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes Disklabel type: gpt Disk identifier: 470E1DEF-DE79-403E-814C-0FD8F649FFC4 Device Start End Sectors Size Type /dev/vdb1 2048 1953124351 1953122304 931.3G Linux filesystem /dev/vdb2 1953124352 6291453951 4338329600 2T Linux filesystem
查看分区文件系统类型
[root@iZ8vba689kou8r8sq4yw44Z ~]# blkid /dev/vda1: UUID="a135856a-aaa1-40b1-96cd-e77e01ccf728" TYPE="xfs" PARTUUID="951dd9ee-01" /dev/vdb1: UUID="b55442f8-0bba-493d-a4b7-38234ed044a6" TYPE="xfs" PARTLABEL="primary" PARTUUID="4ce0f3b1-cbd0-41d2-b60e-ebc34edf38d8" /dev/vdb2: UUID="32c7dfc0-8de4-47be-9a6f-04e4b3d6105e" TYPE="xfs" PARTLABEL="test" PARTUUID="68527707-f2e2-423e-a5eb-b8b98fe35f21"
挂载
[root@iZ8vba689kou8r8sq4yw44Z ~]# df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 396M 0 396M 0% /dev tmpfs 411M 0 411M 0% /dev/shm tmpfs 411M 472K 411M 1% /run tmpfs 411M 0 411M 0% /sys/fs/cgroup /dev/vda1 40G 2.6G 38G 7% / tmpfs 83M 0 83M 0% /run/user/0 [root@iZ8vba689kou8r8sq4yw44Z ~]# mount /dev/vdb2 /data [root@iZ8vba689kou8r8sq4yw44Z ~]# df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 396M 0 396M 0% /dev tmpfs 411M 0 411M 0% /dev/shm tmpfs 411M 472K 411M 1% /run tmpfs 411M 0 411M 0% /sys/fs/cgroup /dev/vda1 40G 2.6G 38G 7% / tmpfs 83M 0 83M 0% /run/user/0 /dev/vdb2 2.1T 15G 2.1T 1% /data
[root@iZ8vba689kou8r8sq4yw44Z ~]# parted /dev/vdbGNU Parted 3.2Using /dev/vdbWelcome to GNU Parted! Type 'help' to view a list of commands.(parted) print Model: Virtio Block Device (virtblk)Disk /dev/vdb: 3221GBSector size (logical/physical): 512B/512BPartition Table: gptDisk Flags:
Number Start End Size File system Name Flags
(parted) mklabel gpt Warning: The existing disk label on /dev/vdb will be destroyed and all data on this disk will be lost. Do youwant to continue?Yes/No? q parted: invalid token: qYes/No? No (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) help mkpart mkpart PART-TYPE [FS-TYPE] START END make a partition
PART-TYPE is one of: primary, logical, extended FS-TYPE is one of: btrfs, nilfs2, ext4, ext3, ext2, fat32, fat16, hfsx, hfs+, hfs, jfs, swsusp, linux-swap(v1), linux-swap(v0), ntfs, reiserfs, hp-ufs, sun-ufs, xfs, apfs2, apfs1, asfs, amufs5, amufs4, amufs3, amufs2, amufs1, amufs0, amufs, affs7, affs6, affs5, affs4, affs3, affs2, affs1, affs0, linux-swap, linux-swap(new), linux-swap(old) START and END are disk locations, such as 4GB or 10%. Negative values count from the end of the disk. For example, -1s specifies exactly the last sector. 'mkpart' makes a partition without creating a new file system on the partition. FS-TYPE may be specified to set an appropriate partition ID.(parted) mkpart primary 1 1T(parted) print Model: Virtio Block Device (virtblk)Disk /dev/vdb: 3221GBSector size (logical/physical): 512B/512BPartition Table: gptDisk Flags:
Number Start End Size File system Name Flags 1 1049kB 1000GB 1000GB primary
(parted) align-check align-check help mktable quit resizepart set version disk_set mklabel name rescue rm toggle disk_toggle mkpart print resize select unit (parted) align-check opt 11 aligned(parted) print Model: Virtio Block Device (virtblk)Disk /dev/vdb: 3221GBSector size (logical/physical): 512B/512BPartition Table: gptDisk Flags:
Number Start End Size File system Name Flags 1 1049kB 1000GB 1000GB primary
(parted) quit Information: You may need to update /etc/fstab.
[root@iZ8vba689kou8r8sq4yw44Z ~]# mkfs.xfs /dev/v vcs vcs4 vcsa1 vcsa5 vdb vhci vport1p1vcs1 vcs5 vcsa2 vcsa6 vdb1 vhost-net vcs2 vcs6 vcsa3 vda vfio/ vhost-vsock vcs3 vcsa vcsa4 vda1 vga_arbiter virtio-ports/ [root@iZ8vba689kou8r8sq4yw44Z ~]# mkfs.xfs /dev/vdb1mkfs.xfs: /dev/vdb1 appears to contain an existing filesystem (xfs).mkfs.xfs: Use the -f option to force overwrite.[root@iZ8vba689kou8r8sq4yw44Z ~]# lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTvda 253:0 0 40G 0 disk └─vda1 253:1 0 40G 0 part /vdb 253:16 0 3T 0 disk └─vdb1 253:17 0 931.3G 0 part [root@iZ8vba689kou8r8sq4yw44Z ~]# partprobe [root@iZ8vba689kou8r8sq4yw44Z ~]# mkfs.xfs /dev/vdb1mkfs.xfs: /dev/vdb1 appears to contain an existing filesystem (xfs).mkfs.xfs: Use the -f option to force overwrite.[root@iZ8vba689kou8r8sq4yw44Z ~]# mkfs.xfs -f /dev/vdb1meta-data=/dev/vdb1 isize=512 agcount=4, agsize=61035072 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=1, sparse=1, rmapbt=0 = reflink=1data = bsize=4096 blocks=244140288, imaxpct=25 = sunit=0 swidth=0 blksnaming =version 2 bsize=4096 ascii-ci=0, ftype=1log =internal log bsize=4096 blocks=119209, version=2 = sectsz=512 sunit=0 blks, lazy-count=1realtime =none extsz=4096 blocks=0, rtextents=0[root@iZ8vba689kou8r8sq4yw44Z ~]# parted /dev/vdbGNU Parted 3.2Using /dev/vdbWelcome to GNU Parted! Type 'help' to view a list of commands.(parted) print free Model: Virtio Block Device (virtblk)Disk /dev/vdb: 3221GBSector size (logical/physical): 512B/512BPartition Table: gptDisk Flags:
Number Start End Size File system Name Flags 17.4kB 1049kB 1031kB Free Space 1 1049kB 1000GB 1000GB xfs primary 1000GB 3221GB 2221GB Free Space
(parted) mkpart test 1000GB 100% (parted) print Model: Virtio Block Device (virtblk)Disk /dev/vdb: 3221GBSector size (logical/physical): 512B/512BPartition Table: gptDisk Flags:
Number Start End Size File system Name Flags 1 1049kB 1000GB 1000GB xfs primary 2 1000GB 3221GB 2221GB test
(parted) quit Information: You may need to update /etc/fstab.
[root@iZ8vba689kou8r8sq4yw44Z ~]# mkfs.xfs -f /dev/vdb2 meta-data=/dev/vdb2 isize=512 agcount=4, agsize=135572800 blks = sectsz=512 attr=2, projid32bit=1 = crc=1 finobt=1, sparse=1, rmapbt=0 = reflink=1data = bsize=4096 blocks=542291200, imaxpct=5 = sunit=0 swidth=0 blksnaming =version 2 bsize=4096 ascii-ci=0, ftype=1log =internal log bsize=4096 blocks=264790, version=2 = sectsz=512 sunit=0 blks, lazy-count=1realtime =none extsz=4096 blocks=0, rtextents=0[root@iZ8vba689kou8r8sq4yw44Z ~]# fdisk -lDisk /dev/vda: 40 GiB, 42949672960 bytes, 83886080 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisklabel type: dosDisk identifier: 0x951dd9ee
Device Boot Start End Sectors Size Id Type/dev/vda1 * 2048 83886046 83883999 40G 83 Linux
Disk /dev/vdb: 3 TiB, 3221225472000 bytes, 6291456000 sectorsUnits: sectors of 1 * 512 = 512 bytesSector size (logical/physical): 512 bytes / 512 bytesI/O size (minimum/optimal): 512 bytes / 512 bytesDisklabel type: gptDisk identifier: 470E1DEF-DE79-403E-814C-0FD8F649FFC4
Device Start End Sectors Size Type/dev/vdb1 2048 1953124351 1953122304 931.3G Linux filesystem/dev/vdb2 1953124352 6291453951 4338329600 2T Linux filesystem[root@iZ8vba689kou8r8sq4yw44Z ~]# blkid/dev/vda1: UUID="a135856a-aaa1-40b1-96cd-e77e01ccf728" TYPE="xfs" PARTUUID="951dd9ee-01"/dev/vdb1: UUID="b55442f8-0bba-493d-a4b7-38234ed044a6" TYPE="xfs" PARTLABEL="primary" PARTUUID="4ce0f3b1-cbd0-41d2-b60e-ebc34edf38d8"/dev/vdb2: UUID="32c7dfc0-8de4-47be-9a6f-04e4b3d6105e" TYPE="xfs" PARTLABEL="test" PARTUUID="68527707-f2e2-423e-a5eb-b8b98fe35f21"[root@iZ8vba689kou8r8sq4yw44Z ~]# df -hFilesystem Size Used Avail Use% Mounted ondevtmpfs 396M 0 396M 0% /devtmpfs 411M 0 411M 0% /dev/shmtmpfs 411M 472K 411M 1% /runtmpfs 411M 0 411M 0% /sys/fs/cgroup/dev/vda1 40G 2.6G 38G 7% /tmpfs 83M 0 83M 0% /run/user/0[root@iZ8vba689kou8r8sq4yw44Z ~]# mount /dev/vdb1 /data[root@iZ8vba689kou8r8sq4yw44Z ~]# mount /dev/vdb2 /data[root@iZ8vba689kou8r8sq4yw44Z ~]# df -hFilesystem Size Used Avail Use% Mounted ondevtmpfs 396M 0 396M 0% /devtmpfs 411M 0 411M 0% /dev/shmtmpfs 411M 472K 411M 1% /runtmpfs 411M 0 411M 0% /sys/fs/cgroup/dev/vda1 40G 2.6G 38G 7% /tmpfs 83M 0 83M 0% /run/user/0/dev/vdb2 2.1T 15G 2.1T 1% /data