Linux之LVM修改VG和LV名字

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摘要

今天给一台服务器装系统后发现忘记自动VG name和LV的name，于是就在装好的系统上面做lv名字修改了，强迫症就是这样的表现吧。。。

收集必要信息

[[email protected] /data]# pvs
  PV         VG   Fmt  Attr PSize PFree
  /dev/sda4  DTVG lvm2 a--  5.35t    0 
  /dev/sdb1  DTVG lvm2 a--  5.46t    0 
  /dev/sdc1  DTVG lvm2 a--  5.46t    0 
  /dev/sdd1  DTVG lvm2 a--  5.46t    0 
  /dev/sde1  DTVG lvm2 a--  5.46t 1.83t
[[email protected] /data]# vgs -v
  VG   Attr   Ext   #PV #LV #SN VSize  VFree VG UUID                                VProfile
  DTVG wz--n- 4.00m   5   1   0 27.18t 1.83t KBJwfa-GO0R-rjWS-Vrfs-rss3-dGVk-XpV7Q5         
[[email protected] /data]# lvs -v
  LV   VG   #Seg Attr       LSize  Maj Min KMaj KMin Pool Origin Data%  Meta%  Move Cpy%Sync Log Convert LV UUID                                LProfile
  data DTVG    5 -wi-ao---- 25.35t  -1  -1  251    0                                                     ehGOzZ-CwWx-o72d-OlJU-JLyO-5uaZ-tBjyIO         
[[email protected] /data]#

开始修改VG名字

[[email protected] /data]# vgrename KBJwfa-GO0R-rjWS-Vrfs-rss3-dGVk-XpV7Q5 LookBackVG
  Processing VG DTVG because of matching UUID KBJwfa-GO0R-rjWS-Vrfs-rss3-dGVk-XpV7Q5
  Volume group "KBJwfa-GO0R-rjWS-Vrfs-rss3-dGVk-XpV7Q5" successfully renamed to "LookBackVG"
[[email protected] /data]# lvscan 
  ACTIVE            '/dev/LookBackVG/data' [25.35 TiB] inherit
[[email protected] /data]# lvchange -ay /dev/LookBackVG/data 
[[email protected] /data]# lvscan 
  ACTIVE            '/dev/LookBackVG/data' [25.35 TiB] inherit
[[email protected] /data]#

开始修改LV名字

[[email protected] /data]# lvrename /dev/LookBackVG/data datadir
  Renamed "data" to "datadir" in volume group "LookBackVG"
[[email protected] /data]# lvscan
  ACTIVE            '/dev/LookBackVG/datadir' [25.35 TiB] inherit
[[email protected] /data]#