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Section: A Check All Pre-request for Clusterware installation

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 Step 1: Check Hardware Requirement


RAM should be at least 1GB 

How to Check? Use following command: $ /usr/sbin/prtconf | grep "Memory size" 


Swap Size: If RAM more then 2GB then Swap should be equal of RAM and If RAM between 1 to 2 gb then Swap should be 1.5 times of RAM 

How to Check? Use following command: # /usr/sbin/swap –s or log in as a “ROOT” user and execute following command: $swap –s or swap –l


How to ADD Swap Space?


Method A

  1. create a file system with desire space (eg: /c0d2s0) 

  2. Add the bellow mention line in  /etc/vfstab file

/dev/dsk/c1t0d0s3 --swap -no - 

Method B

  1. create a file system with desire space (eg: /c0d2s0)

  2. Use the swap -a command to add an additional swap area.

$swap -a /dev/dsk/c1t0d0s3

Method C

Swap files can be used when you need to add swap space and do not have a free partition to use.  To add a swap file, complete the following steps: 

1. Create a 1G swap file named swapfile in the partition that have enough free space, for example /export/data directory. 

# mkfile 1000m /export/data/swapfile

2. Add the swap file to the system’s swap space. 

# swap -a /export/data/swapfile

3. List the details of the modified system swap space with swap -l 

4. List a summary of the modified system swap space with swap -s 

5. To use a swap file when the system is subsequently rebooted, add an entry for the swap file in the /etc/vfstab file. 

/export/data/swapfile --swap -no -

Temp Space: Minimum 400 MB of disk space required in the /tmp directory 

How to check? Use following command: # df -k /tmp


Check system architecture 

How to Check? Use following command: # /bin/isainfo –kv


Result should be:

64-bit SPARC installation:

64-bit sparcv9 kernel modules

32-bit x86 installation:

32-bit i386 kernel modules

64-bit x86 installation:

64-bit amd64 kernel modules


Step 2: Check Required Packages

How to check? Use following command: 

# pkginfo -i SUNWarc SUNWbtool SUNWhea SUNWlibm SUNWlibms SUNWsprot SUNWsprox SUNWtoo SUNWi1of SUNWi1cs SUNWi15cs SUNWxwfnt


If a package that is required for your system architecture is not installed, then install it.


Step 3: Check Patches

Refer to your operating system or software documentation for information about installing packages


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