— +—————————————————————————-+
— | Jeffrey M. Hunter |
— |—————————————————————————-|
— | PURPOSE : Provide a summary report of all disks contained within all ASM |
— | disk groups along with their performance metrics. |
— | NOTE : As with any code, ensure to test this script in a development |
— | environment before attempting to run it in production. |
— +—————————————————————————-+

SET LINESIZE 145
SET PAGESIZE 9999
SET VERIFY off

COLUMN disk_group_name FORMAT a20 HEAD ‘Disk Group Name’
COLUMN disk_path FORMAT a20 HEAD ‘Disk Path’
COLUMN reads FORMAT 999,999,999 HEAD ‘Reads’
COLUMN writes FORMAT 999,999,999 HEAD ‘Writes’
COLUMN read_errs FORMAT 999,999 HEAD ‘Read|Errors’
COLUMN write_errs FORMAT 999,999 HEAD ‘Write|Errors’
COLUMN read_time FORMAT 999,999,999 HEAD ‘Read|Time’
COLUMN write_time FORMAT 999,999,999 HEAD ‘Write|Time’
COLUMN bytes_read FORMAT 999,999,999,999 HEAD ‘Bytes|Read’
COLUMN bytes_written FORMAT 999,999,999,999 HEAD ‘Bytes|Written’

break on report on disk_group_name skip 2

compute sum label “” of reads writes read_errs write_errs read_time write_time bytes_read bytes_written on disk_group_name
compute sum label “Grand Total: ” of reads writes read_errs write_errs read_time write_time bytes_read bytes_written on report

SELECT
a.name disk_group_name
, b.path disk_path
, b.reads reads
, b.writes writes
, b.read_errs read_errs
, b.write_errs write_errs
, b.read_time read_time
, b.write_time write_time
, b.bytes_read bytes_read
, b.bytes_written bytes_written
FROM
v$asm_diskgroup a JOIN v$asm_disk b USING (group_number)
ORDER BY
a.name
/