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Full Discussion: Sysinfo output for lvm commands
Top Forums Shell Programming and Scripting Sysinfo output for lvm commands Post 303026380 by gsiva on Monday 26th of November 2018 11:13:49 PM
Old 11-27-2018
Sysinfo output for lvm commands
Hi folks,


I have created a sysinfo script to capture the system information on daily basis which run in cron jobs.

Whereas, the output saved in the file are getting disapperared after some times..

Mainly for eg: the lvm commands like pvs,lvs, vgs, lvdisplay, pvdisplay..



Code:
#!/bin/bash
#get date in dd-mm-yyyy format
NOW=$(date +"%d-%m-%Y-%H:%M:%S")
 
# Create the directory if does not exist
mkdir -p /root/SYSINFO/`hostname`/


# create output file name
OUTPUT="/root/SYSINFO/`hostname`/sysinfo.`hostname`.$NOW.log"
 
# Assign the fd 3 to $OUTPUT file
exec 3> $OUTPUT


echo "***********[ LVDISPLAY ] *************" >&3
lvdisplay >&3
echo >&3
echo "***********[ PVDISPLAY  ]************" >&3
pvdisplay >&3
echo >&3
echo "*********** VGDISPLAY ***************" >&3
vgdisplay  >&3
echo >&3
echo "***********[ PVSCAN ] ****************" >&3
pvscan  >&3
echo >&3
echo "***********[ VGSCAN ] ***************" >&3
vgscan  >&3
echo >&3
echo "***********[ LVSCAN ] ***************" >&3
lvscan  >&3
echo >&3
echo "***********[ PVS  ]******************" >&3
pvs >&3
echo >&3


When i run the script, i got the message while executing it:
# sh sysinfo.sh


Code:
File descriptor 3 (/root/SYSINFO/APDSMPPD01/sysinfo.APDSMPPD01.27-11-2018-11:28:18.log) leaked on lvdisplay invocation. Parent PID 118041: sh
File descriptor 3 (/root/SYSINFO/APDSMPPD01sysinfo.APDSMPPD01.27-11-2018-11:28:18.log) leaked on pvdisplay invocation. Parent PID 118041: sh
File descriptor 3 (/root/SYSINFO/APDSMPPD01/sysinfo.APDSMPPD01.27-11-2018-11:28:18.log) leaked on vgdisplay invocation. Parent PID 118041: sh
File descriptor 3 (/root/SYSINFO/APDSMPPD01sysinfo.APDSMPPD01.27-11-2018-11:28:18.log) leaked on pvscan invocation. Parent PID 118041: sh
File descriptor 3 (/root/SYSINFO/APDSMPPD01/sysinfo.APDSMPPD01.27-11-2018-11:28:18.log) leaked on vgscan invocation. Parent PID 118041: sh
File descriptor 3 (/root/SYSINFO/APDSMPPD01/sysinfo.APDSMPPD01.27-11-2018-11:28:18.log) leaked on lvscan invocation. Parent PID 118041: sh
File descriptor 3 (/root/SYSINFO/APDSMPPD01/sysinfo.APDSMPPD01.27-11-2018-11:28:18.log) leaked on pvs invocation. Parent PID 118041: sh
File descriptor 3 (/root/SYSINFO/APDSMPPD01/sysinfo.APDSMPPD01.27-11-2018-11:28:18.log) leaked on vgs invocation. Parent PID 118041: sh
File descriptor 3 (/root/SYSINFO/APDSMPPD01/sysinfo.APDSMPPD01.27-11-2018-11:28:18.log) leaked on lvs invocation. Parent PID 118041: sh


Not sure what is the causing the saved outputs gets disappeared.



-Siva
 

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LEARN ABOUT SUNOS

atq

atq(1)								   User Commands							    atq(1)

NAME

       atq - display the jobs queued to run at specified times

SYNOPSIS

       atq [-c] [-n] [username...]

DESCRIPTION

       The  atq  utility  displays the at jobs queued up for the current user. at(1) is a utility that allows users to execute commands at a later
       date. If invoked by a user with the solaris.jobs.admin authorization, atq will display all jobs in the queue.

       If no options are given, the jobs are displayed in chronological order of execution.

       When an authorized user invokes atq without specifying username, the entire queue is displayed; when a username is  specified,  only  those
       jobs belonging to the named user are displayed.

OPTIONS

       The following options are supported:

       -c	Displays the queued jobs in the order they were created (that is, the time that the at command was given).

       -n	Displays only the total number of jobs currently in the queue.

FILES

       /var/spool/cron/atjobs	       spool area for at jobs.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       at(1), atrm(1), auths(1), cron(1M), auth_attr(4), attributes(5)

SunOS 5.10							    13 Aug 1999 							    atq(1)
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