11gR2 Clusterware and Grid Home - What You Need to Know (文档 ID 1053147.1)

In this Document Purpose Scope Details     11gR2 Clusterware Key Facts     Clusterware Startup Sequence     Important Log Locations     Clusterware Resource Status Check     Clusterware Resource Administration     OCRCONFIG Options:     OLSNODES Options     Cluster Verification Options     Database - RAC/Scalability Community References Applies to: Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.1 [Release 11.2] Information in this document applies to any platform. Currency checked on Oct 30 2014 Purpose The 11gR2 Clusterware has undergone numerous changes since the previous release. For information on the previous release(s), see Note: 259301.1 "CRS and 10g Real Application Clusters". This document is intended to go over the 11.2 Clusterware which has some similarities and some differences from the previous version(s).  Scope This document is intended for RAC Database Administrators and Oracle support engineers. Details 11gR2 Clusterware Key Facts 11gR2 Clusterware is required to be up and running prior to installing a 11gR2 Real Application Clusters database. The GRID home consists of the Oracle Clusterware and ASM.  ASM should not be in a separate home. The 11gR2 Clusterware can be installed in "Standalone" mode for ASM and/or "Oracle Restart" single node support. This clusterware is a subset of the full clusterware described in this document. The 11gR2 Clusterware can be run by itself or on top of vendor clusterware.  See the certification matrix for certified combinations. Ref: Note: 184875.1 "How To Check The Certification Matrix for Real Application Clusters" The GRID Home and the RAC/DB Home must be installed in different locations. The 11gR2 Clusterware requires a shared OCR files and voting files.  These can be stored on ASM or a cluster filesystem. The OCR is backed up automatically every 4 hours to <GRID_HOME>/cdata/<clustername>/ and can be restored via ocrconfig.  The voting file is backed up into the OCR at every configuration change and can be restored via crsctl.  The 11gR2 Clusterware requires at least one private network for inter-node communication and at least one public network for external communication.  Several virtual IPs need to be registered with DNS.  This includes the node VIPs (one per node), SCAN VIPs (three).  This can be done manually via your network administrator or optionally you could configure the "GNS" (Grid Naming Service) in the Oracle clusterware to handle this for you (note that GNS requires its own VIP).   A SCAN (Single Client Access Name) is provided to clients to connect to.  For more information on SCAN see Note: 887522.1 The root.sh script at the end of the clusterware installation starts the clusterware stack.  For information on troubleshooting root.sh issues see Note: 1053970.1 Only one set of clusterware daemons can be running per node.  On Unix, the clusterware stack is started via the init.ohasd script referenced in /etc/inittab with "respawn". A node can be evicted (rebooted) if a node is deemed to be unhealthy.  This is done so that the health of the entire cluster can be maintained.  For more information on this see: Note: 1050693.1 "Troubleshooting 11.2 Clusterware Node Evictions (Reboots)" Either have vendor time synchronization software (like NTP) fully configured and running or have it not configured at all and let CTSS handle time synchronization.  See Note: 1054006.1 for more information. If installing DB homes for a lower version, you will need to pin the nodes in the clusterware or you will see ORA-29702 errors.  See Note 946332.1 and Note:948456.1 for more information. The clusterware stack can be started by either booting the machine, running "crsctl start crs" to start the clusterware stack, or by running "crsctl start cluster" to start the clusterware on all nodes.  Note that crsctl is in the <GRID_HOME>/bin directory.  Note that "crsctl start cluster" will only work if ohasd is running. The clusterware stack can be stopped by either shutting down the machine, running "crsctl stop crs" to stop the clusterware stack, or by running "crsctl stop cluster" to stop the clusterware on all nodes.  Note that crsctl is in the <GRID_HOME>/bin directory. Killing clusterware daemons is not supported. Instance is now part of .db resources in "crsctl stat res -t" output, there is no separate .inst resource for 11gR2 instance. Note that it is also a good idea to follow the RAC Assurance best practices in Note: 810394.1 Clusterware Startup Sequence The following is the Clusterware startup sequence (image from the "Oracle Clusterware Administration and Deployment Guide): Don't let this picture scare you too much.  You aren't responsible for managing all of these processes, that is the Clusterware's job! Short summary of the startup sequence: INIT spawns init.ohasd (with respawn) which in turn starts the OHASD process (Oracle High Availability Services Daemon).  This daemon spawns 4 processes. Level 1: OHASD Spawns: cssdagent - Agent responsible for spawning CSSD. orarootagent - Agent responsible for managing all root owned ohasd resources. oraagent - Agent responsible for managing all oracle owned ohasd resources. cssdmonitor - Monitors CSSD and node health (along wth the cssdagent). Level 2: OHASD rootagent spawns: CRSD - Primary daemon responsible for managing cluster resources. CTSSD - Cluster Time Synchronization Services Daemon Diskmon ACFS (ASM Cluster File System) Drivers  Level 2: OHASD oraagent spawns: MDNSD - Used for DNS lookup GIPCD - Used for inter-process and inter-node communication GPNPD - Grid Plug & Play Profile Daemon EVMD - Event Monitor Daemon ASM - Resource for monitoring ASM instances Level 3: CRSD spawns: orarootagent - Agent responsible for managing all root owned crsd resources. oraagent - Agent responsible for managing all oracle owned crsd resources. Level 4: CRSD rootagent spawns: Network resource - To monitor the public network SCAN VIP(s) - Single Client Access Name Virtual IPs Node VIPs - One per node ACFS Registery - For mounting ASM Cluster File System GNS VIP (optional) - VIP for GNS Level 4: CRSD oraagent spawns: ASM Resouce - ASM Instance(s) resource Diskgroup - Used for managing/monitoring ASM diskgroups.   DB Resource - Used for monitoring and managing the DB and instances SCAN Listener - Listener for single client access name, listening on SCAN VIP Listener - Node listener listening on the Node VIP Services - Used for monitoring and managing services ONS - Oracle Notification Service eONS - Enhanced Oracle Notification Service GSD - For 9i backward compatibility GNS (optional) - Grid Naming Service - Performs name resolution This image shows the various levels more clearly: Important Log Locations Clusterware daemon logs are all under <GRID_HOME>/log/<nodename>.  Structure under <GRID_HOME>/log/<nodename>: alert<NODENAME>.log - look here first for most clusterware issues ./admin: ./agent: ./agent/crsd: ./agent/crsd/oraagent_oracle: ./agent/crsd/ora_oc4j_type_oracle: ./agent/crsd/orarootagent_root: ./agent/ohasd: ./agent/ohasd/oraagent_oracle: ./agent/ohasd/oracssdagent_root: ./agent/ohasd/oracssdmonitor_root: ./agent/ohasd/orarootagent_root: ./client: ./crsd: ./cssd: ./ctssd: ./diskmon: ./evmd: ./gipcd: ./gnsd: ./gpnpd: ./mdnsd: ./ohasd: ./racg: ./racg/racgeut: ./racg/racgevtf: ./racg/racgmain: ./srvm: The cfgtoollogs dir under <GRID_HOME> and $ORACLE_BASE contains other important logfiles.  Specifically for rootcrs.pl and configuration assistants like ASMCA, etc... ASM logs live under $ORACLE_BASE/diag/asm/+asm/<ASM Instance Name>/trace The diagcollection.pl script under <GRID_HOME>/bin can be used to automatically collect important files for support.  Run this as the root user.  Clusterware Resource Status Check The following command will display the status of all cluster resources: $ ./crsctl status resource -t -------------------------------------------------------------------------------- NAME           TARGET  STATE        SERVER                   STATE_DETAILS -------------------------------------------------------------------------------- Local Resources -------------------------------------------------------------------------------- ora.DATADG.dg                ONLINE  ONLINE       racbde1                ONLINE  ONLINE       racbde2 ora.LISTENER.lsnr                ONLINE  ONLINE       racbde1                ONLINE  ONLINE       racbde2 ora.SYSTEMDG.dg                ONLINE  ONLINE       racbde1                ONLINE  ONLINE       racbde2 ora.asm                ONLINE  ONLINE       racbde1                  Started                ONLINE  ONLINE       racbde2                  Started ora.eons                ONLINE  ONLINE       racbde1                ONLINE  ONLINE       racbde2 ora.gsd                OFFLINE OFFLINE      racbde1                OFFLINE OFFLINE      racbde2 ora.net1.network                ONLINE  ONLINE       racbde1                ONLINE  ONLINE       racbde2 ora.ons                ONLINE  ONLINE       racbde1                ONLINE  ONLINE       racbde2 ora.registry.acfs                ONLINE  ONLINE       racbde1                ONLINE  ONLINE       racbde2 -------------------------------------------------------------------------------- Cluster Resources -------------------------------------------------------------------------------- ora.LISTENER_SCAN1.lsnr       1        ONLINE  ONLINE       racbde1 ora.LISTENER_SCAN2.lsnr       1        ONLINE  ONLINE       racbde2 ora.LISTENER_SCAN3.lsnr       1        ONLINE  ONLINE       racbde2 ora.oc4j       1        OFFLINE OFFLINE ora.rac.db       1        ONLINE  ONLINE       racbde1                  Open       2        ONLINE  ONLINE       racbde2                  Open ora.racbde1.vip       1        ONLINE  ONLINE       racbde1 ora.racbde2.vip       1        ONLINE  ONLINE       racbde2 ora.scan1.vip       1        ONLINE  ONLINE       racbde1 ora.scan2.vip       1        ONLINE  ONLINE       racbde2 ora.scan3.vip       1        ONLINE  ONLINE       racbde2 Clusterware Resource Administration Srvctl and crsctl are used to manage clusterware resources.  The general rule is to use srvctl for whatever resource management you can.  Crsctl should only be used for things that you cannot do with srvctl (like start the cluster).  Both have a help feature to see the available syntax. Note that the following only shows the available srvctl syntax.  For additional explanation on what these commands do, see the Oracle Documentation.  Srvctl syntax: $ srvctl -h Usage: srvctl [-V] Usage: srvctl add database -d <db_unique_name> -o <oracle_home> [-m <domain_name>] [-p <spfile>] [-r {PRIMARY | PHYSICAL_STANDBY | LOGICAL_STANDBY | SNAPSHOT_STANDBY}] [-s <start_options>] [-t <stop_options>] [-n <db_name>] [-y {AUTOMATIC | MANUAL}] [-g "<serverpool_list>"] [-x <node_name>] [-a "<diskgroup_list>"] Usage: srvctl config database [-d <db_unique_name> [-a] ] Usage: srvctl start database -d <db_unique_name> [-o <start_options>] Usage: srvctl stop database -d <db_unique_name> [-o <stop_options>] [-f] Usage: srvctl status database -d <db_unique_name> [-f] [-v] Usage: srvctl enable database -d <db_unique_name> [-n <node_name>] Usage: srvctl disable database -d <db_unique_name> [-n <node_name>] Usage: srvctl modify database -d <db_unique_name> [-n <db_name>] [-o <oracle_home>] [-u <oracle_user>] [-m <domain>] [-p <spfile>] [-r {PRIMARY | PHYSICAL_STANDBY | LOGICAL_STANDBY | SNAPSHOT_STANDBY}] [-s <start_options>] [-t <stop_options>] [-y {AUTOMATIC | MANUAL}] [-g "<serverpool_list>" [-x <node_name>]] [-a "<diskgroup_list>"|-z] Usage: srvctl remove database -d <db_unique_name> [-f] [-y] Usage: srvctl getenv database -d <db_unique_name> [-t "<name_list>"] Usage: srvctl setenv database -d <db_unique_name> {-t <name>=<val>[,<name>=<val>,...] | -T <name>=<val>} Usage: srvctl unsetenv database -d <db_unique_name> -t "<name_list>" Usage: srvctl add instance -d <db_unique_name> -i <inst_name> -n <node_name> [-f] Usage: srvctl start instance -d <db_unique_name> {-n <node_name> [-i <inst_name>] | -i <inst_name_list>} [-o <start_options>] Usage: srvctl stop instance -d <db_unique_name> {-n <node_name> | -i <inst_name_list>}  [-o <stop_options>] [-f] Usage: srvctl status instance -d <db_unique_name> {-n <node_name> | -i <inst_name_list>} [-f] [-v] Usage: srvctl enable instance -d <db_unique_name> -i "<inst_name_list>" Usage: srvctl disable instance -d <db_unique_name> -i "<inst_name_list>" Usage: srvctl modify instance -d <db_unique_name> -i <inst_name> { -n <node_name> | -z } Usage: srvctl remove instance -d <db_unique_name> [-i <inst_name>] [-f] [-y] Usage: srvctl add service -d <db_unique_name> -s <service_name> {-r "<preferred_list>" [-a "<available_list>"] [-P {BASIC | NONE | PRECONNECT}] | -g <server_pool> [-c {UNIFORM | SINGLETON}] } [-k   <net_num>] [-l [PRIMARY][,PHYSICAL_STANDBY][,LOGICAL_STANDBY][,SNAPSHOT_STANDBY]] [-y {AUTOMATIC | MANUAL}] [-q {TRUE|FALSE}] [-x {TRUE|FALSE}] [-j {SHORT|LONG}] [-B {NONE|SERVICE_TIME|THROUGHPUT}] [-e {NONE|SESSION|SELECT}] [-m {NONE|BASIC}] [-z <failover_retries>] [-w <failover_delay>] Usage: srvctl add service -d <db_unique_name> -s <service_name> -u {-r "<new_pref_inst>" | -a "<new_avail_inst>"} Usage: srvctl config service -d <db_unique_name> [-s <service_name>] [-a] Usage: srvctl enable service -d <db_unique_name> -s "<service_name_list>" [-i <inst_name> | -n <node_name>] Usage: srvctl disable service -d <db_unique_name> -s "<service_name_list>" [-i <inst_name> | -n <node_name>] Usage: srvctl status service -d <db_unique_name> [-s "<service_name_list>"] [-f] [-v] Usage: srvctl modify service -d <db_unique_name> -s <service_name> -i <old_inst_name> -t <new_inst_name> [-f] Usage: srvctl modify service -d <db_unique_name> -s <service_name> -i <avail_inst_name> -r [-f] Usage: srvctl modify service -d <db_unique_name> -s <service_name> -n -i "<preferred_list>" [-a "<available_list>"] [-f] Usage: srvctl modify service -d <db_unique_name> -s <service_name> [-c {UNIFORM | SINGLETON}] [-P {BASIC|PRECONNECT|NONE}] [-l [PRIMARY][,PHYSICAL_STANDBY][,LOGICAL_STANDBY][,SNAPSHOT_STANDBY]] [-y {AUTOMATIC | MANUAL}][-q {true|false}] [-x {true|false}] [-j {SHORT|LONG}] [-B {NONE|SERVICE_TIME|THROUGHPUT}] [-e {NONE|SESSION|SELECT}] [-m {NONE|BASIC}] [-z <integer>] [-w <integer>] Usage: srvctl relocate service -d <db_unique_name> -s <service_name> {-i <old_inst_name> -t <new_inst_name> | -c <current_node> -n <target_node>} [-f]        Specify instances for an administrator-managed database, or nodes for a policy managed database Usage: srvctl remove service -d <db_unique_name> -s <service_name> [-i <inst_name>] [-f] Usage: srvctl start service -d <db_unique_name> [-s "<service_name_list>" [-n <node_name> | -i <inst_name>] ] [-o <start_options>] Usage: srvctl stop service -d <db_unique_name> [-s "<service_name_list>" [-n <node_name> | -i <inst_name>] ] [-f] Usage: srvctl add nodeapps { { -n <node_name> -A <name|ip>/<netmask>/[if1[|if2...]] } | { -S <subnet>/<netmask>/[if1[|if2...]] } } [-p <portnum>] [-m <multicast-ip-address>] [-e <eons-listen-port>] [-l <ons-local-port>]  [-r <ons-remote-port>] [-t <host>[:<port>][,<host>[:<port>]...]] [-v] Usage: srvctl config nodeapps [-a] [-g] [-s] [-e] Usage: srvctl modify nodeapps {[-n <node_name> -A <new_vip_address>/<netmask>[/if1[|if2|...]]] | [-S <subnet>/<netmask>[/if1[|if2|...]]]} [-m <multicast-ip-address>] [-p <multicast-portnum>] [-e <eons-listen-port>] [ -l <ons-local-port> ] [-r <ons-remote-port> ] [-t <host>[:<port>][,<host>[:<port>]...]] [-v] Usage: srvctl start nodeapps [-n <node_name>] [-v] Usage: srvctl stop nodeapps [-n <node_name>] [-f] [-r] [-v] Usage: srvctl status nodeapps Usage: srvctl enable nodeapps [-v] Usage: srvctl disable nodeapps [-v] Usage: srvctl remove nodeapps [-f] [-y] [-v] Usage: srvctl getenv nodeapps [-a] [-g] [-s] [-e] [-t "<name_list>"] Usage: srvctl setenv nodeapps {-t "<name>=<val>[,<name>=<val>,...]" | -T "<name>=<val>"} Usage: srvctl unsetenv nodeapps -t "<name_list>" [-v] Usage: srvctl add vip -n <node_name> -k <network_number> -A <name|ip>/<netmask>/[if1[|if2...]] [-v] Usage: srvctl config vip { -n <node_name> | -i <vip_name> } Usage: srvctl disable vip -i <vip_name> [-v] Usage: srvctl enable vip -i <vip_name> [-v] Usage: srvctl remove vip -i "<vip_name_list>" [-f] [-y] [-v] Usage: srvctl getenv vip -i <vip_name> [-t "<name_list>"] Usage: srvctl start vip { -n <node_name> | -i <vip_name> } [-v] Usage: srvctl stop vip { -n <node_name>  | -i <vip_name> } [-f] [-r] [-v] Usage: srvctl status vip { -n <node_name> | -i <vip_name> } Usage: srvctl setenv vip -i <vip_name> {-t "<name>=<val>[,<name>=<val>,...]" | -T "<name>=<val>"} Usage: srvctl unsetenv vip -i <vip_name> -t "<name_list>" [-v] Usage: srvctl add asm [-l <lsnr_name>] Usage: srvctl start asm [-n <node_name>] [-o <start_options>] Usage: srvctl stop asm [-n <node_name>] [-o <stop_options>] [-f] Usage: srvctl config asm [-a] Usage: srvctl status asm [-n <node_name>] [-a] Usage: srvctl enable asm [-n <node_name>] Usage: srvctl disable asm [-n <node_name>] Usage: srvctl modify asm [-l <lsnr_name>] Usage: srvctl remove asm [-f] Usage: srvctl getenv asm [-t <name>[, ...]] Usage: srvctl setenv asm -t "<name>=<val> [,...]" | -T "<name>=<value>" Usage: srvctl unsetenv asm -t "<name>[, ...]" Usage: srvctl start diskgroup -g <dg_name> [-n "<node_list>"] Usage: srvctl stop diskgroup -g <dg_name> [-n "<node_list>"] [-f] Usage: srvctl status diskgroup -g <dg_name> [-n "<node_list>"] [-a] Usage: srvctl enable diskgroup -g <dg_name> [-n "<node_list>"] Usage: srvctl disable diskgroup -g <dg_name> [-n "<node_list>"] Usage: srvctl remove diskgroup -g <dg_name> [-f] Usage: srvctl add listener [-l <lsnr_name>] [-s] [-p "[TCP:]<port>[, ...][/IPC:<key>][/NMP:<pipe_name>][/TCPS:<s_port>] [/SDP:<port>]"] [-o <oracle_home>] [-k <net_num>] Usage: srvctl config listener [-l <lsnr_name>] [-a] Usage: srvctl start listener [-l <lsnr_name>] [-n <node_name>] Usage: srvctl stop listener [-l <lsnr_name>] [-n <node_name>] [-f] Usage: srvctl status listener [-l <lsnr_name>] [-n <node_name>] Usage: srvctl enable listener [-l <lsnr_name>] [-n <node_name>] Usage: srvctl disable listener [-l <lsnr_name>] [-n <node_name>] Usage: srvctl modify listener [-l <lsnr_name>] [-o <oracle_home>] [-p "[TCP:]<port>[, ...][/IPC:<key>][/NMP:<pipe_name>][/TCPS:<s_port>] [/SDP:<port>]"] [-u <oracle_user>] [-k <net_num>] Usage: srvctl remove listener [-l <lsnr_name> | -a] [-f] Usage: srvctl getenv listener [-l <lsnr_name>] [-t <name>[, ...]] Usage: srvctl setenv listener [-l <lsnr_name>] -t "<name>=<val> [,...]" | -T "<name>=<value>" Usage: srvctl unsetenv listener [-l <lsnr_name>] -t "<name>[, ...]" Usage: srvctl add scan -n <scan_name> [-k <network_number> [-S <subnet>/<netmask>[/if1[|if2|...]]]] Usage: srvctl config scan [-i <ordinal_number>] Usage: srvctl start scan [-i <ordinal_number>] [-n <node_name>] Usage: srvctl stop scan [-i <ordinal_number>] [-f] Usage: srvctl relocate scan -i <ordinal_number> [-n <node_name>] Usage: srvctl status scan [-i <ordinal_number>] Usage: srvctl enable scan [-i <ordinal_number>] Usage: srvctl disable scan [-i <ordinal_number>] Usage: srvctl modify scan -n <scan_name> Usage: srvctl remove scan [-f] [-y] Usage: srvctl add scan_listener [-l <lsnr_name_prefix>] [-s] [-p [TCP:]<port>[/IPC:<key>][/NMP:<pipe_name>][/TCPS:<s_port>] [/SDP:<port>]] Usage: srvctl config scan_listener [-i <ordinal_number>] Usage: srvctl start scan_listener [-n <node_name>] [-i <ordinal_number>] Usage: srvctl stop scan_listener [-i <ordinal_number>] [-f] Usage: srvctl relocate scan_listener -i <ordinal_number> [-n <node_name>] Usage: srvctl status scan_listener [-i <ordinal_number>] Usage: srvctl enable scan_listener [-i <ordinal_number>] Usage: srvctl disable scan_listener [-i <ordinal_number>] Usage: srvctl modify scan_listener {-u|-p [TCP:]<port>[/IPC:<key>][/NMP:<pipe_name>][/TCPS:<s_port>] [/SDP:<port>]} Usage: srvctl remove scan_listener [-f] [-y] Usage: srvctl add srvpool -g <pool_name> [-l <min>] [-u <max>] [-i <importance>] [-n "<server_list>"] Usage: srvctl config srvpool [-g <pool_name>] Usage: srvctl status srvpool [-g <pool_name>] [-a] Usage: srvctl status server -n "<server_list>" [-a] Usage: srvctl relocate server -n "<server_list>" -g <pool_name> [-f] Usage: srvctl modify srvpool -g <pool_name> [-l <min>] [-u <max>] [-i <importance>] [-n "<server_list>"] Usage: srvctl remove srvpool -g <pool_name> Usage: srvctl add oc4j [-v] Usage: srvctl config oc4j Usage: srvctl start oc4j [-v] Usage: srvctl stop oc4j [-f] [-v] Usage: srvctl relocate oc4j [-n <node_name>] [-v] Usage: srvctl status oc4j [-n <node_name>] Usage: srvctl enable oc4j [-n <node_name>] [-v] Usage: srvctl disable oc4j [-n <node_name>] [-v] Usage: srvctl modify oc4j -p <oc4j_rmi_port> [-v] Usage: srvctl remove oc4j [-f] [-v] Usage: srvctl start home -o <oracle_home> -s <state_file> -n <node_name> Usage: srvctl stop home -o <oracle_home> -s <state_file> -n <node_name> [-t <stop_options>] [-f] Usage: srvctl status home -o <oracle_home> -s <state_file> -n <node_name> Usage: srvctl add filesystem -d <volume_device> -v <volume_name> -g <dg_name> [-m <mountpoint_path>] [-u <user>] Usage: srvctl config filesystem -d <volume_device> Usage: srvctl start filesystem -d <volume_device> [-n <node_name>] Usage: srvctl stop filesystem -d <volume_device> [-n <node_name>] [-f] Usage: srvctl status filesystem -d <volume_device> Usage: srvctl enable filesystem -d <volume_device> Usage: srvctl disable filesystem -d <volume_device> Usage: srvctl modify filesystem -d <volume_device> -u <user> Usage: srvctl remove filesystem -d <volume_device> [-f] Usage: srvctl start gns [-v] [-l <log_level>] [-n <node_name>] Usage: srvctl stop gns [-v] [-n <node_name>] [-f] Usage: srvctl config gns [-v] [-a] [-d] [-k] [-m] [-n <node_name>] [-p] [-s] [-V] Usage: srvctl status gns -n <node_name> Usage: srvctl enable gns [-v] [-n <node_name>] Usage: srvctl disable gns [-v] [-n <node_name>] Usage: srvctl relocate gns [-v] [-n <node_name>] [-f] Usage: srvctl add gns [-v] -d <domain> -i <vip_name|ip> [-k <network_number> [-S <subnet>/<netmask>[/<interface>]]] srvctl modify gns [-v] [-f] [-l <log_level>] [-d <domain>] [-i <ip_address>] [-N <name> -A <address>] [-D <name> -A <address>] [-c <name> -a <alias>] [-u <alias>] [-r <address>] [-V <name>] [-F <forwarded_domains>] [-R <refused_domains>] [-X <excluded_interfaces>] Usage: srvctl remove gns [-f] [-d <domain_name>] Crsctl Syntax (for further explanation of these commands see the Oracle Documentation) $ ./crsctl -h Usage: crsctl add       - add a resource, type or other entity        crsctl check     - check a service, resource or other entity        crsctl config    - output autostart configuration        crsctl debug     - obtain or modify debug state        crsctl delete    - delete a resource, type or other entity        crsctl disable   - disable autostart        crsctl enable    - enable autostart        crsctl get       - get an entity value        crsctl getperm   - get entity permissions        crsctl lsmodules - list debug modules        crsctl modify    - modify a resource, type or other entity        crsctl query     - query service state        crsctl pin       - Pin the nodes in the nodelist        crsctl relocate  - relocate a resource, server or other entity        crsctl replace   - replaces the location of voting files        crsctl setperm   - set entity permissions        crsctl set       - set an entity value        crsctl start     - start a resource, server or other entity        crsctl status    - get status of a resource or other entity        crsctl stop      - stop a resource, server or other entity        crsctl unpin     - unpin the nodes in the nodelist        crsctl unset     - unset a entity value, restoring its default For more information non each command. Run "crsctl <command> -h".  OCRCONFIG Options: Note that the following only shows the available ocrconfig syntax. For additional explanation on what these commands do, see the Oracle Documentation.   $ ./ocrconfig -help Name:         ocrconfig - Configuration tool for Oracle Cluster/Local Registry. Synopsis:         ocrconfig [option]         option:                 [-local] -export <filename>                                                     - Export OCR/OLR contents to a file                 [-local] -import <filename>         - Import OCR/OLR contents from a file                 [-local] -upgrade [<user> [<group>]]                                                     - Upgrade OCR from previous version                 -downgrade [-version <version string>]                                                     - Downgrade OCR to the specified version                 [-local] -backuploc <dirname>       - Configure OCR/OLR backup location                 [-local] -showbackup [auto|manual]  - Show OCR/OLR backup information                 [-local] -manualbackup              - Perform OCR/OLR backup                 [-local] -restore <filename>        - Restore OCR/OLR from physical backup                 -replace <current filename> -replacement <new filename>                                                     - Replace a OCR device/file <filename1> with <filename2>                 -add <filename>                     - Add a new OCR device/file                 -delete <filename>                  - Remove a OCR device/file                 -overwrite                          - Overwrite OCR configuration on disk                 -repair -add <filename> | -delete <filename> | -replace <current filename> -replacement <new filename>                                                     - Repair OCR configuration on the local node                 -help                               - Print out this help information Note:         * A log file will be created in         $ORACLE_HOME/log/<hostname>/client/ocrconfig_<pid>.log. Please ensure         you have file creation privileges in the above directory before         running this tool.         * Only -local -showbackup [manual] is supported.         * Use option '-local' to indicate that the operation is to be performed on the Oracle Local Registry   OLSNODES Options Note that the following only shows the available olsnodes syntax. For additional explanation on what these commands do, see the Oracle Documentation.   $ ./olsnodes -h Usage: olsnodes [ [-n] [-i] [-s] [-t] [<node> | -l [-p]] | [-c] ] [-g] [-v]         where                 -n print node number with the node name                 -p print private interconnect address for the local node                 -i print virtual IP address with the node name                 <node> print information for the specified node                 -l print information for the local node                 -s print node status - active or inactive                 -t print node type - pinned or unpinned                 -g turn on logging                 -v Run in debug mode; use at direction of Oracle Support only.                 -c print clusterware name   Cluster Verification Options Note that the following only shows the available olsnodes syntax. For additional explanation on what these commands do, see the Oracle Documentation. Component Options: $ ./cluvfy comp -list USAGE: cluvfy comp  <component-name> <component-specific options>  [-verbose] Valid components are:         nodereach : checks reachability between nodes         nodecon   : checks node connectivity         cfs       : checks CFS integrity         ssa       : checks shared storage accessibility         space     : checks space availability         sys       : checks minimum system requirements         clu       : checks cluster integrity         clumgr    : checks cluster manager integrity         ocr       : checks OCR integrity         olr       : checks OLR integrity         ha        : checks HA integrity         crs       : checks CRS integrity         nodeapp   : checks node applications existence         admprv    : checks administrative privileges         peer      : compares properties with peers         software  : checks software distribution         asm       : checks ASM integrity         acfs       : checks ACFS integrity         gpnp      : checks GPnP integrity         gns       : checks GNS integrity         scan      : checks SCAN configuration         ohasd     : checks OHASD integrity         clocksync      : checks Clock Synchronization         vdisk      : check Voting Disk Udev settings Stage Options: $ ./cluvfy stage -list USAGE: cluvfy stage {-pre|-post} <stage-name> <stage-specific options>  [-verbose] Valid stage options and stage names are:         -post hwos    :  post-check for hardware and operating system         -pre  cfs     :  pre-check for CFS setup         -post cfs     :  post-check for CFS setup         -pre  crsinst :  pre-check for CRS installation         -post crsinst :  post-check for CRS installation         -pre  hacfg   :  pre-check for HA configuration         -post hacfg   :  post-check for HA configuration         -pre  dbinst  :  pre-check for database installation         -pre  acfscfg  :  pre-check for ACFS Configuration.         -post acfscfg  :  post-check for ACFS Configuration.         -pre  dbcfg   :  pre-check for database configuration         -pre  nodeadd :  pre-check for node addition.         -post nodeadd :  post-check for node addition.         -post nodedel :  post-check for node deletion.   Database - RAC/Scalability Community To discuss this topic further with Oracle experts and industry peers, we encourage you to review, join or start a discussion in the My Oracle Support Database - RAC/Scalability Community References NOTE:810394.1 - RAC and Oracle Clusterware Best Practices and Starter Kit (Platform Independent) NOTE:1050693.1 - Troubleshooting 11.2 Clusterware Node Evictions (Reboots) NOTE:1053970.1 - Troubleshooting 11.2 Grid Infrastructure root.sh Issues NOTE:1054006.1 - CTSSD Runs in Observer Mode Even Though No Time Sync Software is Running NOTE:184875.1 - How To Check The Certification Matrix for Real Application Clusters NOTE:259301.1 - CRS and 10g/11.1 Real Application Clusters NOTE:887522.1 - Grid Infrastructure Single Client Access Name (SCAN) Explained NOTE:946332.1 - Unable To Create 10.1 or 10.2 or 11.1(< 11gR2) ASM RAC Databases (ORA-29702) Using Brand New 11gR2 Grid Infrastructure Installation .

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