Missing memory in Solaris 10 with ZFS
Ever wondered all the precious memory installed on your server has gone? Among many other reasons, if you are running Solaris 10 and use ZFS file system then there may be your answer.
List LUNs attached to HBA/Disk controllers in Solaris 10
As a system administrator, every now and then you may come across situations wherein your SAN admin presents you some storage (LUNS) and you can’t find where the hell has it gone. The following are some of the ways to list the LUNS presented on a controller or all the controllers on the server.
Mount an ISO image in a Solaris Zone
There is no direct way to mount an ISO image onto a Solaris Zone. However, you can mount an ISO image onto the global zone (the server which hosts the zone) and then present it onto the guest zone.
GNU Tools out of the box in Solaris 11
Leaving aside the performance improvements and re-engineering and architectural changes in Solaris 11, one of the significant and noticeable changes that comes along with Solaris 11 is the introduction of a lot of GNU tools out of the box. To make it even better, they replace the UNIX default versions. This is my opinion is …
BASE_CONFIG: JS_install_patchclust: Unable to locate patch
You may find the following error in your JET build install logs: WARNING: BASE_CONFIG: JS_install_patchclust: Unable to locate patch 119545-03 Recently, when building servers using Sun JET (SUNWjet), I found that the patches from the Sun recommended Patch cluster is not installed as a part of the JET build. Digging deeper, I found the above …
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tcpdrop – Drop TCP connections in Solaris
tcpdrop is a free utility to drop an established TCP connection in Sun solaris. It is a port of the tcpdrop utility from FreeBSD and openBSD. tcpdrop doesn’t do what it says on the tin and nothing more but does it very well. tcpdrop works in Solaris 10,9,8
Configure Link based IPMP in Solaris
For long we used Tracking IP basd IPMP wherein we track the availability of a gateway on the network using ICMP Echo request. When the gateway IP fails to respond it is considered link is unavailable and NIC fails over to the standby NIC in the IPMP group.
Error ‘shmget’ call failed with error number 22 (Invalid argument)
The following error on the Sybase ASE intalled on Sun Solaris can occur if the Maximum shared memory allocated is max’d out or if none is allocated, it takes the default value which is “Total Physical Memory /4”. Backup Server: 4.142.2.58: [0] The ‘shmget’ call failed with error number 22 (Invalid argument). Refer to your …
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Fix errors in commands in Sun ILOM
There has been more than one instance when the Sun ILOM was not responsive to commands or were throwing errors. For instance, when you try to run the following command to reset the ILOM -> reset /SP Are you sure you want to reset /SP (y/n)? y Performing hard reset on /SP failed reset: No …
How to find System Serial Number in x86 using ipmitool
As we discussed earlier here, you can find the serial number of a Sun Hardware using the utility “sneep”. However, in Sun X86 systems, you can use the pre-installed tool “ipmitool” to find the system serial number. It is not as straight forward as sneep but still is simpl procedure.