i wrote a shell script that was running perfectly fine until we had some issue with our NFS server and the script was hung.
This script runs every 20 mins and obviously as we had the NFS issue, the script start to hang. as i do a check to make sure
NFS directory is avaiable or not. Original check i had in place was below, now i am trying to modify so i can run this even
when NFS is done or atleast the script does not hang
Code:
if [ -d /nfs/stage ]; then
echo "NFS is avaiable,go to next steps"
else
echo "NFS is NOT avaiable"
echo "NFS NOT Available |mailx -s "Backup failed ..." email@domain.com
exit 1
fi
with new modification....
Code:
if [ `ls /nfs/stage|wc -l` -gt 0 & sleep 5; kill $! ]; then
echo "NFS is avaiable"
else
echo "NFS is NOT avaiable"
fi
But that does not seem to work. i was thinking to use the timeout command but i have to make this script work on linux and hp-ux and
i believe hp-ux dose not have the timeout command.
Any thoughts on how i can do a check without haning my script?
Moderator's Comments:
Please use code tags next time for your code and data. Thanks
Last edited by vbe; 04-10-2014 at 12:39 PM..
Reason: code tags + typos
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Discussion started by: eckertd
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LEARN ABOUT SUNOS
script
script(1) User Commands script(1)NAME
script - make record of a terminal session
SYNOPSIS
script [-a] [filename]
DESCRIPTION
The script utility makes a record of everything printed on your screen. The record is written to filename. If no file name is given, the
record is saved in the file typescript. See WARNINGS.
The script command forks and creates a sub-shell, according to the value of $SHELL, and records the text from this session. The script ends
when the forked shell exits or when Control-d is typed.
OPTIONS
The following option is supported:
-a Appends the session record to filename, rather than overwriting it.
NOTES
script places everything that appears on the screen in filename, including prompts.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
|CSI |Enabled |
+-----------------------------+-----------------------------+
SEE ALSO attributes(5)WARNINGS
script can pose a security risk when used in directories that are writable by other users (for example, /tmp), especially when run by a
privileged user, that is, root. Be sure that typescript is not a link before running script.
SunOS 5.10 30 Jan 2004 script(1)