格式化分割區

1. 分割規劃如下：

   [root@dyw1 ~]# gdisk -l /dev/sdb
   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.
   Disk /dev/sdb: 61767680 sectors, 29.5 GiB
   Model: USB Flash Drive
   Sector size (logical/physical): 512/512 bytes
   Disk identifier (GUID): B9DE9231-21B1-42DB-BB35-CD774FD870E1
   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 61767646
   Partitions will be aligned on 2048-sector boundaries
   Total free space is 6012861 sectors (2.9 GiB)
   
   Number  Start (sector)    End (sector)  Size       Code  Name
      1            2048          206847   100.0 MiB   EF00  EFI System
      2          206848         1230847   500.0 MiB   EF02  BIOS boot partition
      3         1230848        55756799   26.0 GiB    8E00  Linux LVM
   

2. 以 vfat 格式化分割區 /dev/sdb1。

   [root@dyw1 ~]# mkfs.vfat /dev/sdb1
   mkfs.fat 4.1 (2017-01-24)
   

3. 以 ext4 格式化分割區 /dev/sdb2。

   [root@dyw1 ~]# mkfs.ext4 /dev/sdb2
   mke2fs 1.45.6 (20-Mar-2020)
   Creating filesystem with 512000 1k blocks and 128016 inodes
   Filesystem UUID: 6a58db34-95e8-4c84-aea1-8ee1d6c3d060
   Superblock backups stored on blocks:
   	8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409
   
   Allocating group tables: done
   Writing inode tables: done
   Creating journal (8192 blocks): done
   Writing superblocks and filesystem accounting information: done
   

4. LVM 管理 /dev/sdb3，建立 VG vg_crt，兩個 LV root, swap 。

   [root@dyw1 ~]# pvcreate /dev/sdb3
     Physical volume "/dev/sdb3" successfully created.
   [root@dyw1 ~]# vgcreate vg_crt /dev/sdb3
     Volume group "vg_crt" successfully created
   [root@dyw1 ~]# lvcreate -L 20G -n root vg_crt
     Logical volume "root" created.
   [root@dyw1 ~]# lvcreate -L 2G -n swap vg_crt
     Logical volume "swap" created.
   [root@dyw1 ~]# lvs vg_crt
     LV   VG     Attr       LSize  Pool Origin Data.....
     root vg_crt -wi-a----- 20.00g                                     
     swap vg_crt -wi-a-----  2.00g
   

5. 以 xfs 格式化 LV /dev/vg_crt/root，。

   [root@dyw1 ~]# mkfs.xfs /dev/vg_crt/root
   meta-data=/dev/vg_crt/root       isize=512    agcount=4, agsize=1310720 blks
            =                       sectsz=512   attr=2, projid32bit=1
            =                       crc=1        finobt=1, sparse=1, rmapbt=0
            =                       reflink=1
   data     =                       bsize=4096   blocks=5242880, imaxpct=25
            =                       sunit=0      swidth=0 blks
   naming   =version 2              bsize=4096   ascii-ci=0, ftype=1
   log      =internal log           bsize=4096   blocks=2560, version=2
            =                       sectsz=512   sunit=0 blks, lazy-count=1
   realtime =none                   extsz=4096   blocks=0, rtextents=0
   

6. 格式化 LV /dev/vg_crt/swap 為 swap。

   [root@dyw1 ~]# mkswap /dev/vg_crt/swap
   Setting up swapspace version 1, size = 2 GiB (2147479552 bytes)
   no label, UUID=7eeec893-bd1c-4ae0-b438-424ceb71a054