檢測數據盤
[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
開始分區
[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) ## 創建一個新的磁盤標簽（分區表） mkpart PART-TYPE [FS-TYPE] START END make a partition ## 從start扇區到END扇區創建一個分區 name NUMBER NAME name partition NUMBER as NAME ## 命名第NUMBER號分區為NAME print [devices|free|list,all|NUMBER] display the partition table, available devices, free space, all ## 打印分區表，可用設備，剩余空間，所有的分區，或特定分區 found partitions, or a particular partition quit exit program ## 退出 rescue START END rescue a lost partition near START and END ## 找回從START到END扇區丟失的分區 resizepart NUMBER END resize partition NUMBER rm NUMBER delete partition NUMBER ## 刪除編號分區 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 <原分區的起始扇區> <容量分配百分比,也可以使用單位> (parted) align-check optimal 1 1 aligned
如果返回的是1 not aligned，說明分區未對齊，建議您運行以下命令 ，再根據（<optimal_io_size>+<alignment_offset>）/<physical_block_size>的公式計算出最佳分區模式的起始扇區值。
假設1024為計算得出的推薦扇區值，可以運行mkpart primary 1024s 100%重新划分一個主分區 [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
通知內核分區表發生變化，創建文件系統
[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
掛載
[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
添加自動掛載
向/etc/fstab寫入新分區信息，啟動開機自動掛載分區 備份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
對已分區的GPT進行擴容
我這里用的是阿里的ecs，並且將磁盤由1T擴容至3T，將/etc/fstab里的掛載信息注釋了，然后重啟了服務器
1、先將掛載的磁盤卸載
2、開始分區
[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 ## 提示該磁盤GPT分區不是所有空間可用，建議修復 全部選擇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
刪除已有分區
(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
重新創建主分區
(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.
檢查一致性
[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.
重新掛載分區
[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
我這里是centos8.0的操作系統
[root@iZ8vba689kou8r8sq4yw44Z ~]# uname -r 4.18.0-147.5.1.el8_1.x86_64
擴容的時候命令變了，只能對掛載點進行操作
[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
查看掛載后的磁盤空間
[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分區並格式化
為了測試，將之前的分區刪掉，再次創建一個1T的分區
[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.
查看分區情況
[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
分區表的變化通知內核
[root@iZ8vba689kou8r8sq4yw44Z ~]# partprobe
創建文件系統
[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
查看磁盤待分配容量
[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，第一個分區扇區起始位置是1049kB，結束扇區為1000GB
分配另一個分區
mkpart <分區名稱> <起始扇區> <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.
為新分區創建文件系統
[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
查看分區容量變化
[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
查看分區文件系統類型
[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"
掛載
[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