Saturday Jun 14, 2008

Tricks of the trade from Solaris administrators


1. Recommended Disk Controllers for ZFS -- Little Notes, 6/4
Joe Little blogged on the best disk hardware to use for working with OpenSolaris and ZFS, commenting that any 64-bit dual core with ICH6+, nvidia, or Si3124-based on board SATA is good for the basic ZFS box with on-board SATA.
OpenSolaris

2. Solaris Express ZFS root install -- number 9, 6/6
The blogger demonstrated how to do ZFS root install in Solaris Express. He noted that only the interactive text options have this capability, and that running "Desktop" not "Console" session lets a user start a terminal to enable compression on the pool when it is created.

3. Solaris 10 commands: How to clear Memory segments and Semaphores -- Pravarakhya.blogspot.com, 6/7
Pravar Akhya wrote that due to high memory usage in their Solaris 10 box, which hosts a Documentum docbroker and around 22 docbases, docbases go down, causing everything to stop working. Akhya said he resolved this problem by restarting all the docbases and docbrokers after clearing the processes.

4. OpenSolaris 2008.05 -- Thorbjørns computer stuff, 6/7
Thorbjørn Andersen wrote that he was very interested in DTrace, and that after installing OpenSolaris, he began playing around with it to test its capabilities. Thorbjørn presented the steps he followed.

5. Reviewing Open Solaris 2008.05 -- Ujjwol Lamichhane, 6/8
After reviewing OpenSolaris 2008.05, Ujjwol Lamichhane noted that OpenSolaris could be the best alternative to proprietary OS software. His review included several features including startup time, sound, graphics, video, hardware support, extra applications and package management.

Saturday Apr 26, 2008

Interesting tidbits from Solaris developers and administrators


1. Upgrading Bean to Solaris 10 5/08 U4 -- Stormsail, 4/21
While trying to upgrade a V100 loft server from Solaris 10 8/07 to Solaris 10 5/08, the blogger encountered a bug (the error message read: "liveupgrade failed from s10u4 to s10u5_05, package install failed, because 7za cannot be found"). The blogger overcame this bug by adding SUNWbzip from Solaris 10 5/08 U5 to the Solaris 10 8/07 U4 installation.
Solaris

2. Recovering OpenSolaris/Solairs/Linux after Windows Installation -- Salman Jamali, 4/20
Salman was running a dual boot configuration with Windows XP and Solaris XDE 01/08. After upgrading his system's memory, Salman didn't notice an increase in system performance, so he decided to reinstall Windows XP -- which wiped out his master boot record. In this post, Salman detailed how to recover the Solaris/OpenSolaris boot option by recovering the GRUB bootloader.

3. Setting up a Solaris zone for Blastwave software -- The Grey Blog, 4/20
The blogger wrote that installing Blastwave on Solaris 10 in a global zone caused Blastwave packages to be replicated in every Solaris zone. The blogger explained that this problem propagated changes to every non-global zone by default and created errors regarding package dependencies. The blogger decided to create a non-global zone to install Blastwave's software and loopback mount /opt/csw in the other zones and said that Blastwave's packages are now properly isolated in its individual zone.

4. ZFS Rocks -- Chi Hung Chan, 4/18
A self confessed fan of ZFS, Chi Hung Chan wrote about his experience using ZFS on a Sun Fire X4500 storage server appliance, stating a benefits such as the fact that he can virtualize all storage disks while protecting against data loss from silent data corruption. Chi provided the details of his Sun Fire X4500 configuration, and stated that with ZFS and OpenSolaris, Sun is "trying to make Solaris as the platform for storage."

Sunday Mar 16, 2008

OpenSolaris and other reviews of the week


1. OpenSolaris Developer Preview 2 (Indiana) under VirtualBox on MacBook Pro... -- Rodney Campbell's Blog, 3/9
Rodney recently learned about VirtualBox. Since it could run on OpenSolaris, he decided to try and test both VirtualBox and the latest release of the OpenSolaris Developer Preview 2 (Project Indiana). In a follow-on posting, he describes his installation and set-up process, along with a few issues he needs help with. He ends by saying that one "very cool thing" about Sun's Indiana Developer Preview is that the root filesystem uses ZFS by default.
OpenSolaris

2. How to start rlogin in Solaris 10 -- Lux.Et.Umbra, 3/6
This blogger discusses the benefits of installing Solaris 10 from scratch -- such as having plain text pass wording like telnet -- and notes that there are instances when users might need to have it implemented and turned on. He explains to his readers that, to do this, they will need to use the svcadm command to assist in enabling and disabling the appropriate service in Solaris.

3. 16-core Intel System vs. Niagara-2 -- Milek's Blog, 3/5
Robert Milkowski runs several sysbench tests, and includes different graphs displaying various test results. In terms of the CPU and threads tests, he finds that the Niagara-2 and the 16-core Intel box deliver about the same performance with 32 threads, but Niagara runs quicker when using more threads. Robert concludes by stating that the Niagara-2 box can rival 4-CPU 4-core Intel boxes if the application can utilize all of these cores.

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