blob: a69a8d7cb9d7f9d71cba7c796b56e5016f72fa5e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
//
// Any disk performing more than 40 I/Os per second, sustained over
// at least 30 seconds is probably busy
//
delta = 30 seconds;
disk_busy =
some_inst (
$disk.dev.total > 40 count/sec
)
-> shell 15 mins "Mail -s 'Heavy sustained disk traffic' sysadm </dev/null";
// Try and catch bursts of activity ... more than 60 I/Os per second
// for at least 25% of 8 consecutive 3 second samples
//
delta = 3 sec;
disk_burst =
some_inst (
25%_sample (
$disk.dev.total @0..7 > 60 count/sec
)
)
-> alarm 5 mins "Disk Burst? " "%i ";
// any SCSI disk controller performing more than 3 Mbytes per sec is busy
//
some_inst $disk.ctl.blktotal * 0.5 > 3 Mbyte/sec
-> alarm "Busy Disk Controller: " "%i ";
|
