Two weeks back we have encountered BUG after patching PSU APR 2018 including Oracle Exadata Storage Server 126.96.36.199.7 version. So CELLSRV started giving some issues (Restarting frequently CELLSRV). I have posted the blog regarding the issue. Oracle Exadata Storage Server Patch (188.8.131.52.7) encountered bugs - 'CELLSRV' Restarting On Exadata x4-2 and Exadata x6-2 http://yvrk1973.blogspot.com/2018/06/oracle-exadata-storage-server-patch.html Thanks to Oracle Exadata Development Team. They developed Interim Patch for the fix for Oracle Exadata Storage Server Version 184.108.40.206.7 recently. Patch: p28181789_122117_Linux-x86-64.zip The zip file contains two rpms and this README.txt. a.1) cell-220.127.116.11.7_LINUX.X64_180506-1-rpm.bin - This is the base release rpm. This is included in case a rollback is needed. a.2) cell-18.104.22.168.7.28181789V1_LINUX.X64_180706-1-rpm.bin - This is the interim patch that contains the fix for the bug listed below. This patch will replace existing storage server software. a.3) ========== Bug fixes or Diagnostics included in this ONEOFF =========== Bug Fixes: 28181789 ORA-07445: [0000000000000000+0] AFTER UPGRADING CELL TO 22.214.171.124.7 Non-Rolling ============================ Copy the Cell Oneoff RPM File(s) to Target Cell Nodes 1.a) If the patch has already been downloaded to a database server and unzipped under /tmp, move to 1.b Download and unzip the p28181789_122117_Linux-x86_64.zip under /tmp/ on one of the database servers. # unzip p28181789_122117_Linux-x86_64.zip -d /tmp 1.b) Change directory to the location where oneoff cell rpm is located # cd /tmp/RPM_patch_126.96.36.199.7 1.c) Create temporary working directory /var/log/exadatatmp/SAVE_patch_28181789 on cells # dcli -l root -g cell_group mkdir -p /var/log/exadatatmp/SAVE_patch_28181789 1.d) Copy new cell RPM bin file to /var/log/exadatatmp/SAVE_patch_28181789 on cells # dcli -l root -g cell_group -f /tmp/RPM_patch_188.8.131.52.7/cell-184.108.40.206.7.28181789V1_LINUX.X64_180706-1-rpm.bin -d /var/log/exadatatmp/SAVE_patch_28181789 2. Shut Down the Cluster ------------------------ If you want to stop cluster from one node, execute the following command from that node. [root@dbnode]# crsctl stop cluster -all If you want to stop crs on each node, execute following command on each dbnode. [root@dbnode]# crsctl stop crs 3. Install the RPM on Each Cell ------------------------------ 3.a) Check if the cell-220.127.116.11.7.28181789V1_LINUX.X64_180706-1-rpm.bin has execute permissions and enable them if needed. 3.b) Run the following command to apply the cell interim patch. [root@cell ~]# /var/log/exadatatmp/SAVE_patch_28181789/cell-18.104.22.168.7.28181789V1_LINUX.X64_180706-1-rpm.bin --doall --force ... [INFO] Upgrade was successful. "Upgrade was successful" is displayed on success. Note: Refer to section (f) for any known issues during the installation 3.c) Run the following command to verify the installation. [root@cell ~]# rpm -qa | grep ^cell- cell-22.214.171.124.7_LINUX.X64_180706-1.x86_64 3.d) Logout and login the shell to reflect new command path. Then, run the following command to verify all services are running. [root@cell ~]# cellcli -e list cell attributes cellsrvStatus,msStatus,rsStatus 4. Restart the Rluster ---------------------- If you want to start cluster from one node, execute the following command from that node. [root@dbnode]# crsctl start cluster -all If you want to start crs on each node, execute following command from each node. [root@dbnode]# crsctl start crs 5. Remove the Patch File ------------------------- After successful RPM installation, you can remove the temporary patch staging directory to save disk space. [root@dbnode ~]# dcli -l root -g cell_group rm -rf /var/log/exadatatmp/SAVE_patch_28181789 ============================================================== e) Rolling Back This Interim Patch on Exadata Storage Servers ============================================================== To roll back, follow either the rolling or non-rolling steps above to install cell-126.96.36.199.7_LINUX.X64_180506-1-rpm.bin. This rpm is included in the zip file for this patch. Note: We can apply the patch "ROLLING" manner also. Please refer for more details MOS with BUG number.