Sample output
Disk I/O Management
-------------------
Max Outstanding I/Os per sec per xact count % of total
------------------------ ----------- ----------- --------- ---------
Server n/a n/a 527 n/a
Engine 0 n/a n/a 429 n/a
Engine 1 n/a n/a 448 n/a
Engine 2 n/a n/a 457 n/a
Engine 3 n/a n/a 508 n/a
Engine 4 n/a n/a 526 n/a
Engine 5 n/a n/a 416 n/a
Engine 6 n/a n/a 425 n/a
I/Os Delayed by
Disk I/O Structures n/a n/a 0 n/a
Server Config Limit n/a n/a 0 n/a
Engine Config Limit n/a n/a 0 n/a
Operating System Limit n/a n/a 0 n/a
Total Requested Disk I/Os 547.2 13.5 328339
Completed Disk I/O's
Asynchronous I/O's
Engine 0 135.0 3.3 81017 24.7 %
Engine 1 70.3 1.7 42172 12.8 %
Engine 2 50.1 1.2 30083 9.2 %
Engine 3 68.0 1.7 40789 12.4 %
Engine 4 72.5 1.8 43473 13.2 %
Engine 5 81.2 2.0 48749 14.8 %
Engine 6 70.1 1.7 42070 12.8 %
Synchronous I/O's
Total Completed I/Os 0.0 0.0 0 n/a
------------------------ ------------ ----------- ---------
Total Completed I/Os 547.3 13.5 328353
Device Activity Detail
----------------------
Device:
/dev/sybase/c1t0d0s0r
master per sec per xact count % of total
------------------------ ----------- ----------- --------- ---------
Reads
APF 0.0 0.0 2 0.2 %
Non-APF 0.3 0.0 154 17.5 %
Writes 1.2 0.0 723 82.3 %
------------------------- ---------- ----------- --------- ---------
Total I/Os 1.5 0.0 879 0.3 %
-----------------------------------------------------------------------------
Device:
/dev/sybase/c1t0d0s1r
dev01 per sec per xact count % of total
------------------------ ----------- ----------- --------- ---------
Reads
APF 1.0 0.0 584 0.5 %
Non-APF 8.5 0.2 5075 4.3 %
Writes 185.6 4.6 111355 95.2 %
------------------------- ----------- ----------- --------- ---------
Total I/Os 195.0 4.8 117014 35.6 %
-----------------------------------------------------------------------------
Device:
/dev/sybase/c1t0d0s3r
dev02 per sec per xact count % of total
------------------------ ----------- ----------- --------- ---------
Reads
APF 0.0 0.0 1 0.5 %
Non-APF 0.0 0.0 5 2.4 %
Writes 0.3 0.0 204 97.1 %
------------------------- ----------- ----------- --------- ---------
Total I/Os 0.4 0.0 210 0.1%