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Sysinfo output for lvm commands

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# 1  
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
# 2  
Old 11-27-2018
Did you try this configuration setting, or something similar?

Code:
/etc/lvm/lvm.conf

use_lvmetad = 0

# 3  
Old 11-27-2018
Hi Neo,


I didn't do any configuration in the Server..
When I did check with the /etc/lvm/lvm.conf

use_lvmetad=0
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