用户工具

站点工具


02-工程实践:存储:ceph:disk

使用裸盘

检测是否有分区

snippet.bash
# lsblk
NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sdf      8:80   0   5.5T  0 disk 
sdd      8:48   0   5.5T  0 disk 
sdm      8:192  0   5.5T  0 disk 
sdb      8:16   0   5.5T  0 disk 
sdk      8:160  0   5.5T  0 disk 
sdi      8:128  0   5.5T  0 disk 
sdg      8:96   0   5.5T  0 disk 
sde      8:64   0   5.5T  0 disk 
sdc      8:32   0   5.5T  0 disk 
sdl      8:176  0   5.5T  0 disk 
sda      8:0    0 278.9G  0 disk 
├─sda4   8:4    0    20G  0 part /var
├─sda2   8:2    0   512M  0 part /boot
├─sda5   8:5    0     8G  0 part [SWAP]
├─sda3   8:3    0    20G  0 part /
├─sda1   8:1    0     1M  0 part 
└─sda6   8:6    0 230.4G  0 part /data
sdj      8:144  0   5.5T  0 disk 
sdh      8:112  0   5.5T  0 disk 

是否有文件系统,没有文件系统不会显示在这个列表里

snippet.bash
# blkid 
/dev/sdm: UUID="5bb3fb8b-5359-4f45-a961-d54a451537cd" TYPE="xfs" 
/dev/sdl: UUID="bb9e9b95-41f4-466c-80f1-4c0b85dd7d6c" TYPE="xfs" 
/dev/sda2: UUID="d05a0c7d-aa8c-491f-b02d-e928ec14a1ab" TYPE="ext4" PARTUUID="af01f749-ee4e-480b-8979-5801b5898ecb"

清除文件系统

snippet.bash
# wipefs -a /dev/sdg 
/dev/sdg: 4 bytes were erased at offset 0x00000000 (xfs): 58 46 53 42
02-工程实践/存储/ceph/disk.txt · 最后更改: 2020/04/07 06:34 由 annhe