Posts Tagged ‘ SUN ’

Nslookup resolves address but ping is unable to resolve hostname on Unix server

November 17, 2010
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I came across this issue on my newly built Solaris 10 server. I was able to ping a remote machine by Ip address, but not by its hostname. This indicated that I had the correct route and gateway. Using nslookup and dig I verified that the DNS servers were resolving the hostname to IP...
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Posted in Software | 3 Comments »

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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Posted in Hardware | 2 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 | 1 Comment »

How to rebuild a Solaris 10 server using the ZFS Root Pool Snapshots

March 12, 2010
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Solaris 10 has provides the ability to recover from a disk drive failure using ZFS root pool snapshots. The snapshot can also be used to quickly rebuild a new server in the event of a disaster. Snapshot is different from flash archive which can also be used to rebuild a server. If the flash...
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Posted in Software | No 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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Posted in Hardware | No Comments »