Oracle数据库云服务

opc

The system administrator account you use to connect to the compute node using SSH. This user can use thesudocommand to perform operations that require root-user access.

oracle

The Oracle Database administrator account you use to access the system and perform non-root database administration tasks. A home directory,/home/oracle, is created for this user. This user cannot use thesudocommand to perform operations that require root-user access. Additionally, by default you cannot connect as this user to the compute node using SSH. You can add the public key to the user’s$HOME/.ssh/authorized_keysfile to grant persistent SSH access, or you can connect as theopcuser and then use thesudo -scommand to start a root-user command shell, followed by ansu - oraclecommand to switch to theoracleuser.

grid

The Oracle Grid Infrastructure administrator account you use to perform ASM, ACFS, and clusterware administration tasks. A home directory,/home/grid, is created for this user. This user cannot use thesudocommand to perform operations that require root-user access. Additionally, by default you cannot connect as this user to the compute node using SSH. You can add the public key to the user’s$HOME/.ssh/authorized_keysfile to grant persistent SSH access, or you can connect as theopcuser and then use thesudo -scommand to start a root-user command shell, followed by ansu - gridcommand to switch to thegriduser.

root

The root administrator for the system. You do not have direct access to this account. To perform operations that require root-user access, use thesudocommand as theopcuser.

boot (four volumes, one for each compute node)

25 GB volume for operating system files, user directories and swap space. This volume appears as the/dev/xvdbblock device on each compute node.

bits (four volumes, one for each compute node)

70 GB volume for Oracle Database and Oracle Grid Infrastructure software. This volume appears as the/dev/xvdcblock device on each compute node.

data (two volumes, one for each cluster database)

Shared storage for database files. GB size equal to the value provided in the Usable Data Storage field during the database deployment creation process, with a minimum of 15 GB. This volume appears as the/dev/xvddblock device on each compute node.

fra (two volumes, one for each cluster database)

Shared storage for the fast recovery area. GB size depends on the choice of Backup Destination during the database deployment creation process:

• Both Cloud Storage and Local Storage: GB size equal to 1.7 times the size of the data volume.

• None: GB size equal to 0.7 times the size of the data volume, with a minimum of 7 GB

This volume appears as the/dev/xvdeblock device on each compute node.

redo (two volumes, one for each cluster database)

20 GB shared storage volume for redo logs. This volume appears as the/dev/xvdfblock device on each compute node.

swap

Swap space; 4 GB allocated from the boot Compute Cloud storage volume.

/(root)

Operating system files; 16 GB allocated from the boot Compute Cloud storage volume.

/boot

Operating system kernel; 500 MB allocated from the boot Compute Cloud storage volume.

/u01

Oracle product software; the entire bits Compute Cloud storage volume.

/u02

Oracle Database data storage; the entire data Compute Cloud storage volume. An Oracle ASM diskgroup named DATA is created on the storage volume and Oracle ACFS is used to mount it.

/u03

Database backup storage; the entire fra Compute Cloud storage volume. An Oracle ASM diskgroup named FRA is created on the storage volume and Oracle ACFS is used to mount it.

/u04

Database redo logs; the entire redo Compute Cloud storage volume. An Oracle ASM diskgroup named REDO is created on the storage volume and Oracle ACFS is used to mount it.

database

bounce – shuts down and then restarts the database instance.

changepassword – changes the password of the specified user.

start– starts the database instance and opens the database.

status – displays the open mode of the database and additional information about the database deployment.

stop – shuts down the database instance.

dataguard

failover – performs a manual failover.

reinstate – reinstates a failed primary database.

status – checks the status of the configuration.

switchover – performs a switchover operation.

dbpatchm

apply – applies the patch.

clonedb – applies a patch to a test deployment.

list_patches – displays a list of available patches.

list_tools – checks whether any cloud tooling updates are available.

prereq – checks the prerequisites of a patch.

rollback – rolls back the last deployment patch.

switchback – restores database software to a prior state.

toolsinst – downloads and applies the patch containing the cloud tooling update.

dv

off – disables Oracle Database Vault.

on– enables Oracle Database Vault.

gg

setup – configures the database as a valid replication database.

status – indicates whether the database has been configured as a valid replication database.

listener

bounce – stops and restarts the listener.

start – starts the listener.

status – displays the status of the listener, including a summary of listener configuration settings, listening protocol addresses, and a summary of services registered with the listener.

stop – stops the listener.

netsec

config – configures network encryption and network integrity.

config encryption– configures network encryption.

config integrity – configures network integrity.

status – displays network encryption and network integrity configuration information.

orec

duplicate – updates the standby database in a Data Guard configuration.

keep list – lists the available long-term backups.

keep tag – restores a specific long-term backup and performs recovery.

latest – restores the most recent backup and performs complete recovery.

list – lists the available normal backups.

pitr – restores a specific normal backup and performs recovery.

scn – restores the most recent backup and performs recovery through the specified SCN.

patch

db apply – applies the database patch.

db cleanup – removes temporary files created during database patching operations.

db list – displays a list of available database patches.

db prereq – checks whether any database updates are available.

db switchback – rolls back the last database patch.

os apply – applies the OS patch.

os list – displays a list of available OS patches.

tools apply – downloads and applies the patch containing the cloud tooling update.

tools auto disable – disables automatic cloud tooling updates.

tools auto enable – enables automatic cloud tooling updates.

tools auto execute – downloads and applies the patch containing the latest cloud tooling update.

tools auto status – checks whether automatic cloud tooling updates are enabled or disabled.

tools list – checks whether any cloud tooling updates are available.

tde

rotate masterkey – changes (rotates) the master encryption key.

status – displays information about the software keystore, including the type and status.