(LogOut/ It was introduced in 11gR2, and is not shared by any other node in the cluster. The file format generated by ocrconfig -restore is incompatible with the file format generated by ocrconfig -export. To remove storage configurations no longer in use, run the following command as root: Run this command for every configured OCR. It contains key value pairs of various resources in the cluster. a) We must have an odd number of disks.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'techgoeasy_com-large-leaderboard-2','ezslot_13',194,'0','0'])};__ez_fad_position('div-gpt-ad-techgoeasy_com-large-leaderboard-2-0'); b)Oracle recommends a minimum of 3 and a maximum of 5. By default, redo logs and control files are mirrored to both the DATA and FRA diskgroups. OCR is more commonly used than Voting Disk. If all voting disks are corrupted, however, you can restore them as described in "Restoring Voting Disks". Manage OLR using the OCRCHECK, OCRDUMP, and OCRCONFIG utilities as root with the -local option. For eg, if you have 5 voting disks, a node must be able to access at least 3 of the voting disks. It stands for Optical Character Reader or Optical Character Recognition. Oracle recommends that you use Oracle ASM to store OCR and voting disks. You can list backups with the ocrconfig -showbackup command, whereas you must keep track of all generated exports. Learn how your comment data is processed. You cannot restore your configuration from an OCR backup file using the -import option, which is explained in "Administering Oracle Cluster Registry with Oracle Cluster Registry Export and Import Commands". --Connect with SQLPLUS ASM instance If the OCR mirror and OCR have been deleted, then it may be faster to restore the OCR using the OCR backups. Optical Mark Reader (OMR) is the technology of electronically extracting data from marked fields such as checkboxes or bubbles from pre-printed forms. By default, Oracle ASM puts each voting disk in its own failure group within the disk group. OCR stores configuration information in a series of key-value pairs in a tree structure. --add the new diskgroup with root user. such as Oracle RAC databases, listeners, virtual IP addresses (VIPs), and services and any applications. Restore OCR by running the following command as root: Run the ocrcheck command to verify the integrity of OCR: Start Oracle High Availability Services by running the following command on all of the nodes: You can use the OCRDUMP and OCRCHECK utilities to diagnose OCR problems. Each successive run of this command must point to a different file location. Oracle Grid Infrastructure Installation Guide for information about creating OCRs, Oracle Automatic Storage Management Administrator's Guide for more information about Oracle ASM disk group management. where path like '/dev/oracleasm/disks/%' and header_status = 'CANDIDATE'; 5. Oracle Cluster Registry (OCR) which records cluster configuration information. In addition, the process prevents overwriting by prohibiting Oracle Clusterware from starting on the node on which only one OCR is available. Both heartbeats failed. Oracle Local Registry is OCRs local counterpart. Please contact us at contactus@smarttechways.com, How to get DDL of Tablespace present in OracleDatabase, Follow Smart way of Technology on WordPress.com, Exclude/Include option in EXPDP and IMPDP Datapump, Create & grant permission to directory in Oracle, Check the Undo tablespace Usage in Oracle, Check datafiles and tablespace information in Oracle, Check the Patch Applied to the Oracle Database, Stop the EXPDP/IMPDP Datapump Job in Oracle, Find top CPU Consuming Session or SQLs query in Oracle. Required fields are marked *. The two file formats are incompatible and must not be interchangeably used. --With Spmove command we will move the spfile Note: In Shared storage you should create 3 minimum voting files in separate storage. Oracle Automatic Storage Management Administrator's Guide for more information about disk group redundancy and quorum failure groups, "Adding, Deleting, or Migrating Voting Disks" for information about migrating voting disks. Hi, I am working in IT industry with having more than 10 year of experience, worked as an Oracle DBA with a Company and handling different databases like Oracle, SQL Server , DB2 etc If a resource fails, then before attempting to restore OCR, restart the resource. For example, if you have configuration problems that you cannot resolve, or if you are unable to restart Oracle Clusterware after such changes, then restore your configuration using the procedure for your platform. My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts. How do you write a referee report for a job application? Because the default backup is on a local file system, Oracle recommends that you include the backup file created with the OCRCONFIG utility as part of your operating system backup using standard operating system or third-party tools. Compare the node's OCR configuration (ocr.loc on Linux and UNIX systems and the Registry on Windows systems) with other nodes on which Oracle Clusterware is running. Just one node is unhealthy. To change an Oracle Cluster Registry location: Use the OCRCHECK utility to verify that a copy of OCR other than the one you are going to replace is online, using the following command: OCRCHECK displays all OCR locations that are registered and whether they are available (online). Run the following command to verify the current running version: Use the Oracle ASM Configuration Assistant (ASMCA) to configure and start Oracle ASM on all nodes in the cluster. For a full experience use one of the browsers below. This means that a device must exist. If you upgrade from a previous version of Oracle Clusterware to Oracle Clusterware 11g release 2 (11.2) and you want to store voting disks in an Oracle ASM disk group, then you must set the ASM Compatibility (COMPATIBLE.ASM) compatibility attribute to 11.2.0.0. Check whether crsd is running. (Both primary and mirrors) 2. If you cannot resolve the problem that caused the CLSD message, then run the command ocrconfig -overwrite to start the node. You must run the command as a user with administrative privileges. In Oracle Clusterware 11g release 2 (11.2), you no longer have to back up the voting disk. # /u01/app/11.2.0.4/grid/bin/ocrdump OCRDUMPFILE.root, # /u01/app/11.2.0.4/grid/bin/ocrdump -xml OCRDUMPFILE.root.xml, # /u01/app/11.2.0.4/grid/bin/ocrdump -xml -local OLRDUMPFILE.root.xml, # grep '' OLRDUMPFILE.root.xml|wc -l, # ls -trl /u01/app/11.2.0.4/grid/cdata/ol6-dr-114-rac1.olr, Oracle Cluster Registry (OCR) and Oracle Local Registry (OLR), 12c: Backup NOARCHIVELOG database using RMAN, Howto: Apply July PSU 12c Grid and DB to an Oracle 12c 2 Node RAC cluster, Howto: Apply 12c Grid and DB PSU to Oracle 12c 2 node RAC, AIX RM PARAMETER LIST IS TOO LONG 0403 027 KSH, RMAN TSM TDPO TIVOLI BACKUP RECOVERY ORACLE, SQL OPTIMIZATION INDEX LIKE OPERATOR EXPLAIN PLAN, ASM diskgroups, volumes, filesystems, and instances, Its own backups (/etc/oracle/ocr.loc and local backups in $ORA_CRS_HOME/cdata/). document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. Use the following procedure to import OCR on Windows systems: Check whether crsd is running. Oracle does not support having voting disks in Oracle ASM and directly on a cluster file system for the same cluster at the same time. To improve Oracle Clusterware storage manageability, OCR is configured, by default, to use Oracle ASM in Oracle Database 11g release 2 (11.2). Each voting disk must be accessible by all nodes in the cluster for nodes to be members of the cluster. These backups are stored for a week and written in a round-robin fashion. You can just replace with new voting file on disk group DATA. A normal redundancy disk group must contain at least two failure groups but if you are storing your voting disks on Oracle ASM, then a normal redundancy disk group must contain at least three failure groups. Oracle Cluster Registry (OCR) and Oracle Local Registry (OLR) Oracle Cluster Registry (OCR) and Oracle Local Registry (OLR) are two very important components of a Grid Infrastructure that help manage the cluster resources. For steps on this check the documentation: Oracle Database Oracle Clusterware and Oracle Real Application Clusters Administration and Deployment Guide. If the crsd process running on the node affected by the Oracle ASM instance failure is the OCR writer, the majority of the OCR locations are stored in Oracle ASM, and you attempt I/O on OCR during the time the Oracle ASM instance is down on this node, then crsd stops and becomes inoperable. 2. FAILGROUP fg03 DISK '/dev/oracleasm/disks/OCR_DISK13'; 6. You can just replace with new voting file on disk group DATA. Recover OCR by running the ocrconfig -restore command, as instructed in the following procedure. By default, OLR is located at Grid_home/cdata/host_name.olr on each node. It also acts as a bootstrap for the Cluster Synchronization Services Daemon (CSSd) for port information, nodes and disks. Basic information about the resources, their location, permissions, current value, type, state, etc. The Oracle Clusterware has the OCR and voting disks open and is actively using them. For any work, queries and help. At this time VOTING DISK is used to communicate the node and trace information, which node is in the offline stage. WebOracle RAC uses two storage locations, which can be accessed by all cluster members: The Oracle Cluster Registry (OCR) Contains information for managing the cluster The Voting Disk Contains information to determine which nodes are active members of the cluster at any given moment In Oracle RAC 10gRelease 2, these storage locations can Comments. While marking their own presence, all the nodes also register the information about their communicability with other nodes in the voting disk. To migrate voting disks from Oracle ASM to an alternative storage device, specify the path to the non-Oracle ASM storage device with which you want to replace the Oracle ASM disk group using the following command: You can run this command on any node in the cluster. An example of what you might define as a failure group would be a set of SCSI disks sharing the same SCSI controller. Ensure there is at least 280 MB of space on the mount partition. Ensure that the most recent OCR contains the latest OCR updates. When exporting OLR, Oracle recommends including "olr", the host name, and the timestamp in the name string. Will install binaries on local disk and use SAN for Voting disk, OCR and ASM. There is an API provided for this function (ocrconfig and crsctl), which is the appropriate interface This section includes the following topics for managing voting disks in your cluster: Adding, Deleting, or Migrating Voting Disks. A-143, 9th Floor, Sovereign Corporate Tower, We use cookies to ensure you have the best browsing experience on our website. This allows for the FRA diskgroup to be restored at a time slightly ahead of DATA, allowing Oracle to perform additional database recovery through the application of archivelogs. Change). When you repair OCR on a stopped node using ocrconfig -repair, you must provide the same OCR file name (which should be case-sensitive) as the OCR file names on other nodes. The voting disk is a file that manages information about node membership, and the OCR is a file that manages the cluster and Real Application Clusters (RAC) database configuration information. 3. The Windows default location for generating backups uses the same path structure. If the configurations do not match, run ocrconfig -repair. If you configure a single voting disk, then you should use external mirroring to provide redundancy. This process is called DISK HEARTBEAT. WebOracle Clusterware includes two important components that manage configuration and node membership: Oracle Cluster Registry (OCR), which also includes the local component Oracle Local Registry (OLR), and voting files. That is to say, as long as you have the latest OCR backup, you automatically have voting disk backup too. When using a mix of storage pools with both high capacity spinning disks and high performance solid state devices additional diskgroups should be considered, which correspond to the different performance storage pools. If OCR is stored in an Oracle ASM disk group with external redundancy, then Oracle recommends that you add another OCR location to another disk group to avoid the loss of OCR, if a disk fails in the disk group. If we are not using a voting disk, then due to network failure, nodes are neither able to communicate with each other nor synchronize with the database, this situation is called a cluster SPLIT-BRAIN problem. Successful deletion of voting disk 0e3a9c8e306a2befaf5548b77231be3a. Oracle does not support storing OCR on different storage types simultaneously, such as storing OCR on both Oracle ASM and a shared file system, except during a migration. If you did not store voting disks in Oracle ASM, then run the following command using the File Universal Identifier (FUID) obtained in the previous step: Stop the Oracle Clusterware stack as root: Restart the Oracle Clusterware stack in normal mode as root: You can add, remove, and migrate voting disks after you install Oracle Clusterware. By default, redo logs and control files are mirrored to both the DATA and FRA diskgroups. My test systems OLR files has about 651 keys. For example: The default backup location for the OLR is in the path Grid_home/cdata/host_name. In a nutshell, OCR is used by CRSd and OLR by the OHASd. In this case, it is a little more difficult because:1. Attempt to correct the problem using the OCR restoration procedure for your platform. (LogOut/ However, if you upgrade from a previous Oracle Clusterware release, then you can continue to use raw or block devices. I am installing two node Oracle 11gR1 RAC on Solaris. Optical Character Reader (OCR) is used to convert different types of documents such as scanned paper documents, PDF files or images captured by a digital camera into machine-encoded text. Once an OCR location is created, it does not get updated in the Oracle Restart environment. Voting Disk. You cannot repair the OCR configuration on a node on which the Oracle Cluster Ready Services daemon is running. To add one or more voting disks, run the following command, replacing the path_to_voting_disk variable with one or more space-delimited, complete paths to the voting disks you want to add: To replace voting disk A with voting disk B, you must add voting disk B, and then delete voting disk A. If you configure a mirrored OCR and if Oracle Clusterware cannot access the mirrored OCR locations and also cannot verify that the available OCR location contains the most recent configuration, then Oracle Clusterware prevents further modification to the available OCR location. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'techgoeasy_com-box-4','ezslot_3',192,'0','0'])};__ez_fad_position('div-gpt-ad-techgoeasy_com-box-4-0');1)If it is stored in ASM, no need to configure manually as the files will be created depending on the redundancy in ASM. Hi all, What is the difference b/w OCR and Voting Disk. CSS service is sending heartbeat messages through the network and voting disk.In a situation, when due to private network failure, nodes are not able to synchronize I/O to the shared disks, Therefore some of the nodes will be going to the offline stage. The ocrconfig -export and ocrconfig -import commands are compatible. Before you add, delete, replace, or restore voting disks, run the ocrcheck command as root. As a definitive verification that OCR failed, run ocrcheck and if the command returns a failure message, then both the primary OCR and the OCR mirror have failed. Oracle recommends that you do not use more than five voting files, Following are the steps to move OCR, Voting Disk and Spfile to new disk group. 3) CSSD process in each RAC maintains the heartbeat in a block of size 1 OS block in the hot block of the voting disk at a specific offset. If you cannot mount the disk group locally, then run the following SQL*Plus command: Optionally, if you want to restore OCR to a raw device, then you must run the ocrconfig -repair -replace command as root, assuming that you have all the necessary permissions on all nodes to do so and that OCR was not previously on Oracle ASM. Cloud Applications; Cloud Infrastructure; On-Premise Applications; E-Business Suite; --Connect with Grid User WebThe voting disk is a file that manages information about node membership, and the OCR is a file that manages cluster and Oracle RAC database configuration information. In addition, with numerous nodes, there are other possible scenarios too. For example, if two-way mirroring is specified for a file, then redundant copies of file extents must be stored in separate failure groups. For example, if any node that is part of your current Oracle RAC cluster is shut down, then you must update the OCR configuration on the stopped node to let that node rejoin the cluster after the node is restarted. To view the contents of the OLR backup file: When you upgrade Oracle Clusterware, it automatically runs the ocrconfig -upgrade command. Its application is in google books, bank statements, business documents etc. Nodes with quorum will maintain active membership of the cluster and other nodes (s) will be fenced/rebooted. A high redundancy disk group must contain at least three failure groups. Helpful tips . If the original OCR location does not exist, then you must create an empty (0 byte) OCR location with appropriate permissions before you run the ocrconfig -add or ocrconfig -replace commands. Importing Oracle Cluster Registry Content on Linux or UNIX Systems, Importing Oracle Cluster Registry Content on Windows Systems. This section describes how to back up OCR content and use it for recovery. FAILGROUP fg01 DISK '/dev/oracleasm/disks/OCR_DISK11' Learn Oracle, PHP, HTML,CSS,Perl,UNIX shell scripts, March 19, 2017 by techgoeasy Leave a Comment. Learn how your comment data is processed. To migrate OCR to Oracle ASM using OCRCONFIG: Ensure the upgrade to Oracle Clusterware 11g release 2 (11.2) is complete. 2) CSSD process on every node makes entries in the voting disk to ascertain the membership of the node. RAC heartbeat is the polling mechanism that is sent over the cluster interconnect to ensure all RAC. However, each successive run must point to a different disk group. Note: After verfied on all nodes then move to OCR Disks. OLR is located on local storage on each node in a cluster. The OCR file is automatically backed up locally in $ORA_CRS_HOME/cdata/ every four hours (note timestamp of backup*.ocr files below). The goal of this note is to provide steps to add, remove, replace or move an Oracle Cluster Repository (OCR) and/or Voting Disk in Oracle Clusterware 10gR2, 11gR1 and 11gR2 environment. Network heartbeat is successful, but disk heartbeat is missed.2. For steps on this check the documentation: Oracle Database Oracle Clusterware and Oracle Real Application Clusters Administration and Deployment Guide. You must specify enough failure groups in each disk group to support the redundancy type for that disk group. [root@NODE01 ~]# /u01/app/11.2.0.4/grid/bin/crsctl query css votedisk, 3. Healthy nodes will have continuous network & disk heartbeats exchanged between the nodes. Perform the following procedure to overwrite OCR if a node cannot start and if the alert log contains CLSD-1009 and CLSD-1011 messages. OCR also helps maintain the structure and dependencies that exist in the startup of various resources in the cluster. Use ASMCA to create an Oracle ASM disk group that is at least the same size of the existing OCR and has at least normal redundancy. The main difference between OCR and Voting Disk is that OCR is used to convert scanned images of text into digital text, while Voting Disk is used to store the ballot information for an election. For DBAs planning to use ScaleIO snapshots, a two-diskgroup solution should be considered the minimum, but control files and redo logs should NOT be mirrored to both diskgroups. Despite the fact that crsctl query css votedisk reports zero vote disks in use, Oracle Clusterware remembers the fact that Oracle ASM was in use and the replace verb is required. Added on Sep 7 Find the temp usage by sessions in Oracle. You must instead use the -restore option, as described in the following sections. Run the following command as root from only one node to start the Oracle Clusterware stack in exclusive mode, which does not require voting files to be present or usable: Run the crsctl query css votedisk command to retrieve the list of voting files currently defined, similar to the following: This list may be empty if all voting disks were corrupted, or may have entries that are marked as status 3 or OFF. To restore an OCR when clusterware is down. WebOracle RAC uses two storage locations, which can be accessed by all cluster members: The Oracle Cluster Registry (OCR) Contains information for managing the cluster The Voting Disk Contains information to determine which nodes are active members of the cluster at any given moment In Oracle RAC 10gRelease 2, these storage locations can The Oracle Clusterware installation process creates the voting disk and the OCR on a shared storage volume. You can find the location of the OCRFILE using one of the tow methods below. Is it illegal to lie about a felony on an application? If it cannot access the minimum of voting disks, then it is evicted/removed from the cluster. Static data: Info about nodes in the cluster. Successful addition of voting disk fa21c52bdf245d89acb2ae7bb245e193. The Oracle Clusterware installation process creates the voting disk and the OCR on shared storage. Successful addition of voting disk B6FF6C1D64B9837D82B1B41D38760445. Will install binaries on local disk and use SAN for Voting disk, OCR and ASM. Under no circumstances will the failure of one Oracle ASM instance on one node affect the whole cluster. Perform the following procedure as the root user to remove an OCR location from your Oracle Clusterware environment: Ensure that at least one OCR location other than the OCR location that you are removing is online. Restore Voting Disk Since we have restored OCR, we restored voting file as well. The Oracle Clusterware installation process creates the voting disk and the OCR on shared storage. The main difference between OCR and Voting Disk is that OCR is used to convert scanned images of text into digital text, while Voting Disk is used to store the ballot information for an election. Use the procedure in this section to add an OCR location. Use the following command to verify that Oracle Clusterware is running on the node on which the you are going to perform the replace operation: Run the following command as root to replace the current OCR location using either destination_file or +ASM_disk_group to indicate the current and target OCR locations: The preceding command fails if you have less than two configured OCR locations that are online. It was first used in 1914 to help blind people in reading. 1. For eg, if you have 5 voting disks, a node must be able to access at least 3 of the voting disks. c)A node must be able to access more than half of the voting disks at any time. Oracle Cluster Registry (OCR) and Oracle Local Registry (OLR) are two very important components of a Grid Infrastructure that help manage the clusterresources. Voting files. In 10g, Oracle Clusterware can support 32 voting disks but in 11g R 2 supports 15 voting disks. If it is, stop it by running the following command as root: Import OCR by running the following command as root: If you are importing OCR to a cluster or network file system, then skip to step 7. CRS-4266: Voting file(s) successfully replaced, 9. OCR has a mechanism that prevents data loss due to accidental overwrites. With the Oracle Clusterware storage residing in an Oracle ASM disk group, you can manage both database and clusterware storage using Oracle Enterprise Manager. acknowledge that you have read and understood our, Data Structure & Algorithm Classes (Live), Data Structures & Algorithms in JavaScript, Data Structure & Algorithm-Self Paced(C++/JAVA), Full Stack Development with React & Node JS(Live), Android App Development with Kotlin(Live), Python Backend Development with Django(Live), DevOps Engineering - Planning to Production, GATE CS Original Papers and Official Keys, ISRO CS Original Papers and Official Keys, ISRO CS Syllabus for Scientist/Engineer Exam, Interview Preparation For Software Developers. List the Candidate Disk present for creating DISKGROUP. It will also provide steps to move OCR / voting and ASM devices from raw device to block device. Restoring the Oracle Cluster Registry on Linux or UNIX Systems, Restoring the Oracle Cluster Registry on Windows Systems, Restoring the Oracle Cluster Registry in an Oracle Restart Environment. "OCRDUMP Utility Syntax and Options" for more information about the OCRDUMP utility, "Using the OCRCHECK Utility" for more information about the OCRCHECK utility. If you choose to store your voting disks in Oracle ASM, then Oracle ASM stores all the voting disks for the cluster in the disk group you choose. OCR contains information about all Oracle resources in the cluster. Rely on OCR Backups Since 11g (11.2), the voting disk data is automatically backed up in OCR as part of any configuration change and is automatically restored to any voting disk added. Voting disks contain static and dynamic data. The Oracle Clusterware installation process creates the voting disk and the OCR on a shared storage volume. A failure group is a subset of the disks in a disk group. Hi, How the voting disk differ from the OCR. However, if you are unable to start any cluster node in your environment and if you can neither repair OCR nor restore access to all OCR locations, then you can override the protection mechanism. Disk heartbeat is successful, but network heartbeat is missed.3. If you choose to store the voting disks on a cluster file system, then select the option to configure multiple voting disks, in which case you will have to specify three different file systems based on different disks. on Oct 5 2010. Ensure that the file you created is visible from all nodes in the cluster. Create the New Diskgroup in ASM for moving OCR, VotingDisk and SPFILE Voting disks/files are just like attendance registers where you have nodes mark their attendance (heartbeats). The ocrconfig -manualbackup and ocrconfig -restore commands are compatible. Run the following command to inspect the contents and verify the integrity of the backup file: You can use any backup software to copy the automatically generated backup files at least once daily to a different device from where the primary OCR resides. The OCR cache is updated by the master CRSd process to make is visible to all the nodes in the cluster. 1. Added on Sep 7 Remove an OCR location if, for example, your system experiences a performance degradation due to OCR processing or if you transfer your OCR to RAID storage devices and choose to no longer use multiple OCR locations, as described in the "Removing an Oracle Cluster Registry Location" section. WebOracle Clusterware includes two important components that manage configuration and node membership: Oracle Cluster Registry (OCR), which also includes the local component Oracle Local Registry (OLR), and voting files. Each node reads its KILL BLOCK once per second, if the kill block is not overwritten, the node commits suicide. The number of voting files you can store in a particular Oracle ASM disk group depends upon the redundancy of the disk group. If necessary, you can dynamically add or replace voting disks after you complete the Oracle Clusterware installation process without stopping the cluster. Use the following procedure to import OCR on Linux or UNIX systems: Check whether crsd is running. I am installing two node Oracle 11gR1 RAC on Solaris. Typically, one would simply cp or dd the files once the new storage has been presented to the hosts. If you are upgrading OCR, then you can use the OCRCHECK utility to verify the integrity of OCR. Its application is in surveys, answer sheets, questionnaires and ballots. In 10g, Oracle Clusterware can support 32 voting disks but in 11g R 2 supports 15 voting disks. The Oracle Clusterware has the OCR and voting disks open and is actively using them. Successful deletion of voting disk 8b62c257e7fa2bfabf363cb4791c1f4c. If it is, then stop it by running the following command as root: If you want to restore OCR to an Oracle ASM disk group, then you must first create a disk group using SQL*Plus that has the same name as the disk group you want to restore and mount it on the local node. Optical Mark Reader (OMR) is the technology of electronically extracting data from marked fields such as checkboxes or bubbles from pre-printed forms. Change), You are commenting using your Facebook account. The OLR only supports manual backups. You can store OCR and voting disks on Oracle Automatic Storage Management (Oracle ASM), or a certified cluster file system. It stores information about the local node only, mainly related to the OHASd (as we will see below). Helpful tips . By default, the -showbackup option displays information for both automatic and manual backups but you can include the auto or manual flag to display only the automatic backup information or only the manual backup information, respectively. Comments. col name for a20 The OLR and GPnP profile are required to start the HA service stack. You can manually mirror OCR, as described in the "Adding an Oracle Cluster Registry Location" section, if you: Upgraded to Oracle Clusterware 11g release 2 (11.2) but did not choose to mirror OCR during the upgrade, Created only one OCR location during the Oracle Clusterware installation.
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