How to monitor on disk i/o on healthcheck and awr report on biweekly health

can you explain how to monitor from disk i/o and awr report from old snap shot to new snap shot
how to check and analyze .,,,,,,,,,,,,,,,,,,,,,can any one tell few points which we can **regularly maintain for health check**
thanks in advance
SQL> SELECT group_number ,disk_number ,mount_status ,total_mb/1024 ,free_mb/1024
2 ,reads, (bytes_read / (1024*1024*1024)) mb_read ,read_errs ,read_time,writes
3 ,write_errs ,write_time FROM v$asm_disk;
GROUP_NUMBER DISK_NUMBER MOUNT_S TOTAL_MB/1024 FREE_MB/1024 READS
MB_READ READ_ERRS READ_TIME WRITES WRITE_ERRS WRITE_TIME
2 0 OPENED 199.989258 0 13697147
402.589765 0 44542.38 4358669 0 8883.86
2 1 OPENED 199.989258 0 13653653
405.503195 0 46014.33 4805783 0 11138.13
2 2 OPENED 199.989258 0 15272350
415.620874 0 45524.7 4571038 0 9806.01
GROUP_NUMBER DISK_NUMBER MOUNT_S TOTAL_MB/1024 FREE_MB/1024 READS
MB_READ READ_ERRS READ_TIME WRITES WRITE_ERRS WRITE_TIME
2 3 OPENED 199.989258 0 22713630
533.380945 0 48105.68 4692729 0 9994.31
2 4 OPENED 199.99707 0 23986390
547.804756 0 57601.79 5788565 0 11073.44
1 0 OPENED 199.989258 0 310810
47.4352741 0 9652.12 1877994 0 3490.5
GROUP_NUMBER DISK_NUMBER MOUNT_S TOTAL_MB/1024 FREE_MB/1024 READS
MB_READ READ_ERRS READ_TIME WRITES WRITE_ERRS WRITE_TIME
1 1 OPENED 199.99707 0 137665
44.7837362 0 9155.21 751099 0 3092.96
1 2 OPENED 199.99707 0 139561
44.7904587 0 9424.26 753116 0 2858.23
1 3 OPENED 199.99707 0 141139
44.7718539 0 9506.27 802414 0 2768.22
9 rows selected.
can you please tell me how to monitor on disk i/os which is as shown above and
please tell me AWR report to analyze some basic points for health check
please give some details for health check of database.
thanks in advance

Hi;
What is DB version?
Please check below doc:
http://download.oracle.com/docs/cd/B28359_01/server.111/b28275/tdppt_degrade.htm#CACGCJDC
Also see:
What is AWR( Automatic workload repository ) and How to generate the AWR report? [ID 748642.1]
How To Understand AWR Report / Statspack Report [ID 842884.1]
Regard
Helios

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