The disk is full , Because of the use of lvm, When I want to expand, I find that no matter lvs still lvdisplay This kind of command will report the same error :

[root@localhost qwang]# lvs
Parse error at byte (line ): unexpected token
Error parsing metadata for VG fedora.
Skipping volume group fedora
Internal error: Volume Group fedora was not unlocked

All sorts of searches are fruitless , Turn out one bug:https://bugzilla.redhat.com/show_bug.cgi?id=1119045

Read comment 30, try

[root@localhost qwang]# uname -a
Linux localhost.localdomain
54.197.182.68 jbossas.alias.medium 3.17.-.fc20.x86_64 # SMP Fri Nov :: UTC x86_64 x86_64 x86_64 GNU/Linux

Look at the hostname

[root@localhost qwang]# cat /etc/hostname
localhost.localdomain
54.197.182.68 jbossas.alias.medium

/etc/hostname Delete my own line from the list 54.197.182.68 jbossas.alias.medium

Check it out again

[root@localhost qwang]# uname -a
Linux localhost.localdomain 3.17.-.fc20.x86_64 # SMP Fri Nov :: UTC x86_64 x86_64 x86_64 GNU/Linux

try

[root@localhost qwang]# lvs
LV VG Attr LSize Pool Origin Data% Move Log Cpy%Sync Convert
home fedora -wi-ao---- .34g
root fedora -wi-ao---- .00g
swap fedora -wi-ao---- .64g

Problem solving !

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