Three ways to startup an ASM instance
Before 11gR2 there was only one way to startup an ASM instance [SQLPLUS].
In 11gR2 Oracle has added a startup/shutdown functionality in the ASMCMD line interface and introduced a new GUI ASMCA.
The GUI willl detect by startup if there is an ASM instance operational or not. If not then it prompt to start an ASM instance.
The Three methods:
- SQLPLUS with sysasm attribute
sqlplus / as asmdba startup
- ASMCMD
asmcmd> startup
- ASMCA
ASMCMD help in release 11gR2
ASMCMD> help
asmcmd [-vV] [-a ] [-p] [command]
The environment variables ORACLE_HOME and ORACLE_SID determine the
instance to which the program connects, and ASMCMD establishes a
bequeath connection to it, in the same manner as a SQLPLUS / AS
SYSASM. The user must be a member of the OSASM group.
Specifying the -V option prints the asmcmd version number and
exits immediately.
Specifying the -v option prints extra information that can help
advanced users diagnose problems.
Specify the -a option to choose the type of connection. There are
only two possibilities: connecting as SYSASM or as SYSDBA.
The default value if this option is unspecified is SYSASM.
Specifying the -p option allows the current directory to be displayed
in the command prompt, like so:
ASMCMD [+DATA/ORCL/CONTROLFILE] >
[command] specifies one of the following commands, along with its
parameters.
Type "help [command]" to get help on a specific ASMCMD command.
commands:
--------
md_backup, md_restore
lsattr, setattr
cd, cp, du, find, help, ls, lsct, lsdg, lsof, mkalias
mkdir, pwd, rm, rmalias
chdg, chkdg, dropdg, iostat, lsdsk, lsod, mkdg, mount
offline, online, rebal, remap, umount
dsget, dsset, lsop, shutdown, spbackup, spcopy, spget
spmove, spset, startup
chtmpl, lstmpl, mktmpl, rmtmpl
chgrp, chmod, chown, groups, grpmod, lsgrp, lspwusr, lsusr
mkgrp, mkusr, orapwusr, passwd, rmgrp, rmusr
volcreate, voldelete, voldisable, volenable, volinfo
volresize, volset, volstat
ASMCMD>
ASMCMD help before 11gR2
ASMCMD> help
asmcmd [-v] [-a ] [-p] [command]
The environment variables ORACLE_HOME and ORACLE_SID determine the
instance to which the program connects, and ASMCMD establishes a
bequeath connection to it, in the same manner as a SQLPLUS / AS
SYSDBA. The user must be a member of the SYSDBA group.
Specifying the -v option prints the asmcmd version number and
exits immediately.
Specify the -a option to choose the type of connection. There are
only two possibilities: connecting as "sysasm" or as "sysdba".
The default value if this option is unspecified is "sysasm".
Specifying the -p option allows the current directory to be displayed
in the command prompt, like so:
ASMCMD [+DATAFILE/ORCL/CONTROLFILE] >
[command] specifies one of the following commands, along with its
parameters.
Type "help [command]" to get help on a specific ASMCMD command.
commands:
--------
help
cd
cp
du
find
ls
lsct
lsdg
mkalias
mkdir
pwd
rm
rmalias
md_backup
md_restore
lsdsk
remap
ASMCMD>
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