ACLDATSTORE volume in REDO diskgroup
Can anybody tell me the purpose of the ACLDATSTORE volume that gets created against the REDO diskgroup? It has no corresponding mount point and it is taking up a lot of space. Can it be removed? shrunk?
This is on 12.1.2.3 on an x5-2
VOLUME_NAME SIZE_MB REDUND VOLUME_DEVICE MOUNTPATH
------------------------------ ---------- ------ ------------------------- --------------------------------------------------------
DATASTORE 13307904 MIRROR /dev/asm/datastore-43 /u02/app/oracle/oradata/datastore
DATASTORE 63488 HIGH /dev/asm/datastore-177 /u01/app/oracle/oradata/datastore
ACLDATSTORE 64960 HIGH /dev/asm/acldatstore-177
DATAFSVOL 5120 MIRROR /dev/asm/datafsvol-32 /odadatafs
ACFSVOL 307200 MIRROR /dev/asm/acfsvol-32 /cloudfs
DATASTORE 1862656 MIRROR /dev/asm/datastore-32 /u01/app/oracle/fast_recovery_area/datastore