Hardware

Sun Sparc commands to power on and boot up the server.

November 15, 2010
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Booting up the Sun Sparc M3000 server. After logging into the XSCF console, power on the server. XSCF> poweron -d 0 DomainIDs to power on:00 Continue? :y Switch to the server console. XSCF> console -d 0 Connect to DomainID 0? :y Devalias will list all devices which can be booted. {0} ok devalias...
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Creating RDM to LUN (SAN) mapping on VMware ESX 4, Vcenter.

August 6, 2010
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In the past I have written articles about how to create a RDM to LUN disk mapping for VMware ESX 3. http://www.gamescheat.ca/2009/10/scripts-to-automate-the-process-of-identifying-and-compiling-an-rdm-to-lun-mapping-list-for-vmware-esx-30/ and http://www.gamescheat.ca/2009/10/how-to-identify-and-compile-an-rdm-to-lun-mapping-list-for-vmware-esx-30/ The procedure to identify the path for the RDM (raw disk mapping) to LUN (disk on SAN) on Vmware ESX 4 is different from Vmware Esx 3. There are a...
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Posted in Hardware, Software | 3 Comments »

Booting up Solaris 10 from a SAN replicated LUN on a different Sun SPARC server

July 9, 2010
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The quickest way to recover from a total disaster is to have some sort of replication implemented. There are two different methods of real-time replication, hardware and software. My experiences with software replication such as Symantec Veritas Volume replicator for AIX was not pleasing. It required constant maintenance and troubleshooting. The best is hardware...
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Posted in Hardware, Software | 7 Comments »

Changing the default boot device on a Sparc server

March 2, 2010
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You can display and change the default boot device on a SUN Sparc server from the eeprom console. List the bootable devices with the devalias command, ok devalias cdrom /pci@0,600000/pci@0/pci@0/scsi@0/disk@4,0:f net /pci@0,600000/pci@0/pci@1/pci@0/network@4 disk /pci@0,600000/pci@0/pci@0/scsi@0/disk@0 name aliases List the current boot device. ok printenv boot-device boot-device = disk Change the boot device from disk to...
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How to list the type of fiber channel card and it’s WWN info in AIX

January 16, 2010
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I needed to find out the type of fiber channel HBA cards installed in the Aix server. Here are the commands I used to find the information, Use the lsdev command to list the fiber channel cards (HBA) installed in the Aix server. Depending on the version of aix one or all of the...
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How to upgrade or downgrade ScreenOS using either the WebUI or CLI

June 2, 2009
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I tried uploading the Juniper 5GT screenOS file name ns5gt.6.2.0r2.0 via the WebUI interface. But it kept failing with the error message “File too big or empty”. I then had to upgrade the screenOS or firmware through the command line interface of CLI. I downloaded the TFTP server for Windows from Solar Winds, it...
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How to create a virtual disk with the Dell OpenManage Server Admnistrator.

April 30, 2009
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Open the Dell OpenManage Server Administrator Click on System – Storage – PERC 5/E Adapter (PCI Slot 1) – Connector 0 (RAID) – Enclosure – Physical Disks. This will display all the Disk Drives in the right window. Under the column Available RAID DISK Space, you should be able to determine if there is...
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Configuring NAT on the Cisco PIX or ASA firewalls.

April 30, 2009
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If you do not want to expose your server’s IP address to an external client you can use Network Address Tranalation (NAT) to hide it. For example if your servers IP address is 192.168.0.10 then you can publish it to an external client as 10.0.0.10. The reason you would do this is to enhance...
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TCP ports opened on firewall for Dell Remote Access Card – DRAC.

April 28, 2009
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The Dell Remote Access Card (DRAC) communicates via the following ports: 22 Secure Shell, SSH 23 Telnet 80 http 443 https 161 SNMP 3668 Virtual Media Server 5900 Console Redirection 5901 Console Redirection If you have a firewall in between you and the server, ensure that you have the above ports opened.
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Default Password for Dell Remote Access Card (DRAC)

April 27, 2009
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The default userid for the Dell remote access card (DRAC) is root and the password is calvin. The DRAC module makes the life of the server administrator easy, you can remotely power cycle the server as if you were standing next to it. You can do pretty much everything as if you were standing...
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