Reboot Pre-Checks Script UNIX

#!/usr/bin/sh

LINUX_CMDS ()
{
EMAIL=bibhuti2sol@gmail.com
TODAY=`date +%d%b%Y`
ECHO_CMD=”/bin/echo -e”
}

CHECK_UID ()
{
USERID=`id -u`

if [ $USERID -eq 0 ]
then
continue;
else
$ECHO_CMD “\n\t Please Run this script as root !! \n\n”
exit;
fi
}

OS_DETAILS ()
{
$ECHO_CMD “\n\t UNAME Output” >> $CHECK_LIST
$ECHO_CMD ” =================================================” >> $CHECK_LIST
uname -a >> $CHECK_LIST 2>&1
$ECHO_CMD “\n\t OS Release” >> $CHECK_LIST
$ECHO_CMD ” =================================================” >> $CHECK_LIST
cat /etc/*release >> $CHECK_LIST 2>&1

}

NFS_DETAILS ()
{
$ECHO_CMD “\n\n\tGiven below is NFS mounts” >> $CHECK_LIST
$ECHO_CMD ” ==========================================\n” >> $CHECK_LIST
/usr/sbin/showmount -a >> $CHECK_LIST 2>&1
$ECHO_CMD “\n\n\tGiven below is NFS exports” >> $CHECK_LIST
$ECHO_CMD ” ==========================================\n” >> $CHECK_LIST
/usr/sbin/showmount -e >> $CHECK_LIST 2>&1
}

CHECK_REDHAT_CLUSTER()
{

$ECHO_CMD “\n\n\tGiven below is Redhat Cluster details” >> $CHECK_LIST
$ECHO_CMD ” =========================================\n” >> $CHECK_LIST
/usr/sbin/clustat > /dev/null 2>&1
if [ $? -gt 0 ]
then
$ECHO_CMD “No Redhat cluster found on this server” >> $CHECK_LIST
else
/usr/sbin/clustat >> $CHECK_LIST

fi
}

CHECK_MULTIPATH()
{
$ECHO_CMD “\n\n\tGiven below is DISK MULTIPATH STATUS” >> $CHECK_LIST
/sbin/vxdisk list > /dev/null 2>&1
if [ $? -gt 0 ]
then
$ECHO_CMD “\n\t Multipathd service status” >> $CHECK_LIST
$ECHO_CMD ” ==========================================\n” >> $CHECK_LIST
/sbin/service multipathd status >> $CHECK_LIST 2>&1
$ECHO_CMD “\n\t Multipath Checker Output is given below” >> $CHECK_LIST
$ECHO_CMD ” ==========================================\n” >> $CHECK_LIST
/usr/bin/perl /sysadm/bin/path_checker_linux.pl >> $CHECK_LIST 2>&1
$ECHO_CMD “\n\t Multipath -ll output is given below” >> $CHECK_LIST
$ECHO_CMD ” ==========================================\n” >> $CHECK_LIST
/sbin/multipath -ll >> $CHECK_LIST 2>&1
else

$ECHO_CMD “\n\t Veritas Disk Multipath Checker Output is given below” >> $CHECK_LIST
$ECHO_CMD ” =========================================\n” >> $CHECK_LIST
/usr/bin/perl /sysadm/bin/path_checker_veritas.sh >> $CHECK_LIST 2>&1
fi
}

CHECK_VERITAS()
{
$ECHO_CMD “\n\n\tGiven below is Veritas Cluster details” >> $CHECK_LIST
$ECHO_CMD ” =========================================\n” >> $CHECK_LIST
/sbin/vxdisk list > /dev/null 2>&1
if [ $? -gt 0 ]
then
$ECHO_CMD “No Veritas found on this server” >> $CHECK_LIST
else
$ECHO_CMD “\n\n\tGiven below is Veritas Cluster Status” >> $CHECK_LIST
/opt/VRTSvcs/bin/hastatus -summ >> $CHECK_LIST
$ECHO_CMD “\n\n\tGiven below is Veritas Disk List ” >> $CHECK_LIST
/sbin/vxdisk list >> $CHECK_LIST
$ECHO_CMD “\n\n\tGiven below is Veritas All Disks List ” >> $CHECK_LIST
/sbin/vxdisk -o alldgs list >> $CHECK_LIST
$ECHO_CMD “\n\n\tGiven below is Veritas DG Output” >> $CHECK_LIST
/sbin/vxdg list >> $CHECK_LIST
$ECHO_CMD “\n\n\tGiven below is VXPRINT Output” >> $CHECK_LIST
/sbin/vxprint -ht >> $CHECK_LIST

fi
}

CHECK_DF ()
{
$ECHO_CMD “\n\tGiven below is DF out put” >> $CHECK_LIST
$ECHO_CMD ” ==========================================\n” >> $CHECK_LIST
df -h >> $CHECK_LIST 2>&1
$ECHO_CMD “\n\tGiven below is /etc/fstab” >> $CHECK_LIST
$ECHO_CMD ” ==========================================\n” >> $CHECK_LIST
cat /etc/fstab >> $CHECK_LIST 2>&1

}

CHECK_var_tmp_pre ()
{
$ECHO_CMD “\n\t/var/tmp filesystem utilisation before the activity” >> $CHECK_LIST
$ECHO_CMD ” ==========================================\n” >> $CHECK_LIST
df -h /var/tmp >> $CHECK_LIST 2>&1
}

CHECK_var_tmp_post ()
{
$ECHO_CMD “\n\t/var/tmp filesystem utilisation after the activity” >> $CHECK_LIST
$ECHO_CMD ” ==========================================\n” >> $CHECK_LIST
df -h /var/tmp >> $CHECK_LIST 2>&1
}

CHECK_NETWORK_LINUX ()
{
$ECHO_CMD “\n\n Given below is Network Configuration” >> $CHECK_LIST
$ECHO_CMD ” ==========================================\n” >> $CHECK_LIST
/sbin/ifconfig | egrep -C 1 “eth|bond*” | grep -v “RX” >> $CHECK_LIST 2>&1
$ECHO_CMD “\n Given below is Route Configuration” >> $CHECK_LIST
$ECHO_CMD ” ==========================================\n” >> $CHECK_LIST
/bin/netstat -rn >> $CHECK_LIST 2>&1
$ECHO_CMD “\n Given below is speed settings for each lan cards” >> $CHECK_LIST
$ECHO_CMD ” ========================================================\n” >> $CHECK_LIST
X=0
for i in `/sbin/ifconfig | grep encap | awk ‘{print $1}’| grep -v bond | grep -v “:[1-9]”| grep -v lo`
do
LAN_DTLS[$X]=$i
X=`expr $X + 1`
done

X=0
TOT_ELM_LAN_DTLS=${#LAN_DTLS[*]}

while [ $TOT_ELM_LAN_DTLS != $X ]
do
$ECHO_CMD “\nSpeed settings of LAN ${LAN_DTLS[$X]} :” >> $CHECK_LIST
$ECHO_CMD “===================================================” >> $CHECK_LIST
/sbin/ethtool ${LAN_DTLS[$X]} >> $CHECK_LIST 2>&1

X=`expr $X + 1`
done
}

CHECK_PATCHES_LX ()
{

$ECHO_CMD “\n\n\t Installed RPM’s and versions” >> $CHECK_LIST
$ECHO_CMD ” =================================================” >> $CHECK_LIST
rpm -qa >> $CHECK_LIST 2>&1
}

HARDWARE_LX ()
{
$ECHO_CMD “\n\n\t Hardware details” >> $CHECK_LIST
$ECHO_CMD ” =================================================” >> $CHECK_LIST
/sbin/lspci -v >> $CHECK_LIST 2>&1
ls -l /sys/block/*/device >> $CHECK_LIST 2>&1
cat /proc/scsi/scsi >> $CHECK_LIST 2>&1
#$ECHO_CMD “\n\n\t DMIDECODE Output” >> $CHECK_LIST
#$ECHO_CMD ” =================================================” >> $CHECK_LIST
#/usr/sbin/dmidecode >> $CHECK_LIST 2>&1
$ECHO_CMD “\n\n\t CPU Details given below” >> $CHECK_LIST
$ECHO_CMD ” =================================================” >> $CHECK_LIST
cat /proc/cpuinfo | egrep “processor” >> $CHECK_LIST 2>&1
$ECHO_CMD “\n\t Physical & Swap Memory Details given below” >> $CHECK_LIST
$ECHO_CMD ” =================================================” >> $CHECK_LIST
cat /proc/meminfo |egrep “MemTotal|SwapTotal” >> $CHECK_LIST 2>&1
}

LVM_DETAILS ()
{
$ECHO_CMD “\n\n\t LVM Details given below” >> $CHECK_LIST
$ECHO_CMD ” =================================================” >> $CHECK_LIST
$ECHO_CMD “\n PV Details” >> $CHECK_LIST
$ECHO_CMD ” ===============” >> $CHECK_LIST
pvs >> $CHECK_LIST 2>&1
$ECHO_CMD “\n VG Details” >> $CHECK_LIST
$ECHO_CMD ” ===============” >> $CHECK_LIST
vgs >> $CHECK_LIST 2>&1
$ECHO_CMD “\n LV Details” >> $CHECK_LIST
$ECHO_CMD ” ===============” >> $CHECK_LIST
lvs -a -v -o +devices >> $CHECK_LIST 2>&1
$ECHO_CMD “\n\n\tVGDISPLAY OUTPUT” >> $CHECK_LIST
$ECHO_CMD ” ==========================================\n” >> $CHECK_LIST
vgdisplay -v >> $CHECK_LIST 2>&1
}
GEN_PRE_LINUX_REBOOT_CHECK_LIST ()
{
CHECK_LIST=Pre-reboot-checklist-`uname -n`-$TODAY.txt
$ECHO_CMD “\n\n\t\t Pre Reboot checklist generated on `uname -n` on $TODAY ” > $CHECK_LIST
$ECHO_CMD “\t\t***********************************************************” >> $CHECK_LIST
$ECHO_CMD “\t\t***********************************************************” >> $CHECK_LIST
OS_DETAILS
CHECK_REDHAT_CLUSTER
CHECK_VERITAS
CHECK_DF
LVM_DETAILS
CHECK_MULTIPATH
HARDWARE_LX
CHECK_NETWORK_LINUX
NFS_DETAILS
CHECK_PATCHES_LX
CHECK_var_tmp_pre
#/usr/bin/mailx -s “Pre Reboot checklist generated on `uname -n` on $TODAY” $EMAIL $CHECK_LIST
$ECHO_CMD “\t\t***********************************************************” >> $CHECK_LIST
$ECHO_CMD “\t\t***********************************************************” >> $CHECK_LIST
OS_DETAILS
CHECK_REDHAT_CLUSTER
CHECK_VERITAS
CHECK_DF
LVM_DETAILS
CHECK_MULTIPATH
HARDWARE_LX
CHECK_NETWORK_LINUX
NFS_DETAILS
CHECK_PATCHES_LX
CHECK_var_tmp_post
#/usr/bin/mailx -s “Pre Reboot checklist generated on `uname -n` on $TODAY” $EMAIL > $CHECK_LIST
#fi
echo ” ” >> $CHECK_LIST
fi
}
===========================================================
By: Bibhuti Bhusan