How to set the MTU to 1200 in The DB node

grep -q '^MTU=' /etc/sysconfig/network-scripts/ifcfg-eth0 && \ sudo sed -i 's/^MTU=.*/MTU=1200/' /etc/sysconfig/network-scripts/ifcfg-eth0 || \ echo 'MTU=1200' | sudo tee -a /etc/sysconfig/network-scripts/ifcfg-eth0

How to perform the file system repair

cat /etc/fstab xfs_repair /dev/ xfs_repair -v /dev/dm-x How to install the XFS RPM rpm -qa |grep xfs dnf install xfsprogs

Command to show the PCI Devices with description

Command to show the PCI Devices with description show -l all -t /system/PCI_Devices/ description

Command to display the all the serial number from the ILOM.

Command to display the all the serial number from the ILOM. show -l all -o table /SYS | grep fru_serial_number

How to update the ilom firmware from the local system

How to update the ilom firmware from the local system.txt date; time /usr/bin/ipmiflash -v write ILOM-5_1_4_23_a_r161530-ORACLE_SERVER_E6-2L-rom.pkg force script config delaybios warning=0; date | tee kcs.log

How to restart the nftables in multiple do nodes.

for i in sukhoi mirage miracle do ecraEXATool.sh execcmd -n ${i} -x "virsh list --all; systemctl restart nftables; systemctl status nftables" -q done

How to check the progress of raid rebuild in Exadata Compute node.

/opt/MegaRAID/storcli/storcli64 -pdrbld -showprog -physdrv [252:3] -a0

How to reenable the the PCI Slot: 1 Flash Accelerator F640 PCIe Card v3.

1. Stop ms services, 1.1 cellcli -e alter cell shutdown services ms. 2. echo 0 > /sys/bus/pci/slots/1/attention 3. add _cell_allow_reenable_predfail=true in cellinit.ora 4. cellcli -e alter cell startup services ms. 5. cellcli -e alter physicaldisk FLASH_1_1 reenable force cellcli -e alter physicaldisk FLASH_1_2 reenable force