V$ASM_DISK definition in Oracle Database 11.2
V$ASM_DISK
select
group_number, -- GROUP_NUMBER NUMBER
disk_number, -- DISK_NUMBER NUMBER
compound_index, -- COMPOUND_INDEX NUMBER
incarnation, -- INCARNATION NUMBER
mount_status, -- MOUNT_STATUS VARCHAR2(7)
header_status, -- HEADER_STATUS VARCHAR2(12)
mode_status, -- MODE_STATUS VARCHAR2(7)
state, -- STATE VARCHAR2(8)
redundancy, -- REDUNDANCY VARCHAR2(7)
library, -- LIBRARY VARCHAR2(64)
os_mb, -- OS_MB NUMBER
total_mb, -- TOTAL_MB NUMBER
free_mb, -- FREE_MB NUMBER
hot_used_mb, -- HOT_USED_MB NUMBER
cold_used_mb, -- COLD_USED_MB NUMBER
name, -- NAME VARCHAR2(30)
failgroup, -- FAILGROUP VARCHAR2(30)
label, -- LABEL VARCHAR2(31)
path, -- PATH VARCHAR2(256)
udid, -- UDID VARCHAR2(64)
product, -- PRODUCT VARCHAR2(32)
create_date, -- CREATE_DATE DATE
mount_date, -- MOUNT_DATE DATE
repair_timer, -- REPAIR_TIMER NUMBER
reads, -- READS NUMBER
writes, -- WRITES NUMBER
read_errs, -- READ_ERRS NUMBER
write_errs, -- WRITE_ERRS NUMBER
read_time, -- READ_TIME NUMBER
write_time, -- WRITE_TIME NUMBER
bytes_read, -- BYTES_READ NUMBER
bytes_written, -- BYTES_WRITTEN NUMBER
preferred_read, -- PREFERRED_READ VARCHAR2(1)
hash_value, -- HASH_VALUE NUMBER
hot_reads, -- HOT_READS NUMBER
hot_writes, -- HOT_WRITES NUMBER
hot_bytes_read, -- HOT_BYTES_READ NUMBER
hot_bytes_written, -- HOT_BYTES_WRITTEN NUMBER
cold_reads, -- COLD_READS NUMBER
cold_writes, -- COLD_WRITES NUMBER
cold_bytes_read, -- COLD_BYTES_READ NUMBER
cold_bytes_written, -- COLD_BYTES_WRITTEN NUMBER
voting_file, -- VOTING_FILE VARCHAR2(1)
sector_size, -- SECTOR_SIZE NUMBER
failgroup_type -- FAILGROUP_TYPE VARCHAR2(7)
from
gv$asm_disk
where
inst_id = USERENV('Instance')