These columns represent the logical sector size and sector size values of the disk group in bytes. The LOGICAL_SECTOR_SIZE and SECTOR_SIZE columns are included in the V$ASM_DISKGROUP and V$ASM_ATTRIBUTE views to display the values. You can determine the logical sector and sector size values that have either been assumed or explicitly set for a successful disk group creation by querying V$ASM views or running ASMCMD commands. Oracle ASM disk groups Administration includes creating, altering, dropping, mounting, and dismounting tasks.Ĭreating the DATA disk group CREATE DISKGROUP data NORMAL REDUNDANCYĬreating the FRA disk group CREATE DISKGROUP fra NORMAL REDUNDANCY