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7.4

Unix HP-UX Shell script to check nfile ninode nproc used and alert/email if it's high

Asked by sunhux in Shell Scripting, Unix Operating Systems, KornShell (ksh)

Tags: Unix HP-UX Shell script to check nfile ninode nproc used and alert/email if it's high


 Hi

Our B11.11 PA-RISC (with 4GB RAM) limits for nfile and ninode (& possibly nproc)
have been hit lately, so we have just increased them and would like  a script to monitor
if these new values' are being eaten up by runaway processes as sar below shows:

10:04:37 text-sz  ov  proc-sz  ov  inod-sz  ov  file-sz  ov
 10:04:57   N/A   N/A 577/1620  0  1867/1988  0  3315/3339  0
 10:05:02   N/A   N/A 578/1620  0  1869/1988  0  3323/3339 22

So in above's readings, 3315 and 3323 are dangerous levels which could
have hit nfile limit of 3339 that resulted in our users unable to retrieve data
(users use IE to access a Wintel webserver and this webserver retrieves
 data from our HP-UX Oracle Filenet server)


So I'll need a script that will email/alert me if it utilization exceeds 65% of current limits.

The Shell script will do the following  (this script will run every minute from cron) :
sar -v 2 29
(every 2 sec for 29 times, did not want to do 30 times to prevent race condition ie
 before next script starts)
 
if utilized value exceeds 65% for each of the nfile, ninode, nproc, email me to alert

Hope it will not chew a lot of CPU resource for running sar so frequently
[+][-]05/22/09 08:36 PM, ID: 24456614Author Comment

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[+][-]05/24/09 12:28 AM, ID: 24460785Accepted Solution

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About this solution

Zones: Shell Scripting, Unix Operating Systems, KornShell (ksh)
Tags: Unix HP-UX Shell script to check nfile ninode nproc used and alert/email if it's high
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Solution Provided By: ahoffmann
Participating Experts: 1
Solution Grade: B
 
[+][-]05/25/09 05:37 AM, ID: 24466246Author Comment

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[+][-]05/28/09 11:37 PM, ID: 24500584Assisted Solution

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