Size problem with mapper
Hello DBAs
I have Rac env with 3 nodes on linux 64
this morning I got this error
sqlplus / as sysdba
SQL*Plus: Release 11.2.0.4.0 Production on Thu Mar 8 09:03:53 2018
Copyright (c) 1982, 2013, Oracle. All rights reserved.
ERROR:
ORA-09925: Unable to create audit trail file
Linux-x86_64 Error: 28: No space left on device
Additional information: 9925
ORA-01075: you are currently logged on
After check size with df -h
I got
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/vg_sigma1-lv_root
50G 47G 0 100% /
tmpfs 32G 259M 32G 1% /dev/shm
/dev/sda3 477M 82M 370M 19% /boot
please help me with how can I free some space or how to increase the size ??