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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Posts Tagged ‘ Solaris ’
Booting up Solaris 10 from a SAN replicated LUN on a different Sun SPARC server
How to get the network card speed in Solaris 9
To determine the network card speed in Solaris 9 use the ndd utility. First list the NIC installed and active on the Solaris 9 server. # ifconfig -a lo0: flags=1000849 mtu 8232 index 1 inet 127.0.0.1 netmask ff000000 hme0: flags=1000843 mtu 1500 index 2 inet 162.10.1.11 netmask ffff0000 broadcast 162.10.255.255 ether 8:0:20:c4:8c:87 There is...
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How to relocate the /export and /export/home filesystems on Solaris 10.
By default Solaris installs the /export and /export/home filesystems in the root zfs pool, if you picked ZFS and not UFS as the filesystem. I wanted to relocate /export and /export/home to a larger ZFS pool other than the root pool as I wanted to separate the user’s data from the OS. The first...
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How to rebuild a Solaris 10 server using the ZFS Root Pool Snapshots
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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Changing the default boot device on a Sparc server
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 status of swap in Solaris
List the status of all swap areas. # swap -l swapfile dev swaplo blocks free dev/dsk/c0t0d0s1 32,9 16 8425712 8425712 The output has five columns: path The path name for the swap area. dev The major/minor device number in decimal if it is a block special device; zeroes otherwise. swaplo The swaplow value for...
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How to change the IP address in Solaris 10
Here is a list of files that you need to edit when changing the IP address of an interface in Solaris 10. /etc/hosts /etc/hostname.interface-name /etc/nodename /etc/defaultrouter /etc/resolv.conf /etc/netmasks Add the ip address and server name to the host file. vi /etc/hosts 10.0.0.10 server-name Select the interface you want, your server may have more than...
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How to configure Samba on Solaris 10
If you need to find the version of Samba installed on the Solaris 10 server use the command smbstatus. # /usr/sfw/bin/smbstatus Samba version 3.0.35 PID Username Group Machine ——————————————————————- 1962 andrew users mypc (162.10.21.100) Service pid machine Connected at ——————————————————- IPC$ 1962 mypc Thu Feb 11 15:06:31 2010 andrew 1962 mypc Thu Feb 11...
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Using grep/egrep to find out which file contains a word or string in Unix or Linux
If you need to find out which file in a directory contains a specific word then the grep command is your friend. Here is an example, if you wanted to find out which file in the directory /home contains the word groundhog. grep –i “groundhog” /home/* /home/shadow:Today is groundhog day The –i option means...
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Success, failure of the tar command recorded with time and date stamp
I needed to determine the amount of time it would take to archive large amount of data on my unix server. If I had infinite amount of free time I could sit in front of the screen with a stop watch. But the better way is to create a script that would record the...
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