Archive for May, 2010

Introduction to algorithms

I highly recommend everyone to view this outstanding MIT course dedicated to algorithms and their efficiency. This course is especially interesting to those who, as myself, want to lift a veil of the education process in the US and how different subjects are being taught.

Posted on May 26, 2010 at 5:26 pm by sergeyt · Permalink · Leave a comment
In: Uncategorized

Abrupt clock change in SC

Today is 828 days after SC on one of ours SF6900 servers was rebooted for the last time, meaning that it’s exactly 828 days of uptime. And it’s one of the contributing factor to be beaten by 6567546 bug. Another one is the SC’s version and if its less than 5.20.7 – you’re affected as […]

Posted on May 25, 2010 at 10:18 am by sergeyt · Permalink · Leave a comment
In: Solaris

Who cares about TCO and ROI?!

As expected people care less about buisness acronyms and high words i.e. TCO, ROI, integrted stack, when real money are involved. I visioned confirmation of this during Oracle+Sun welcome event where all Oracles’/Suns’ consultants were touting about their integrated stack but felt short once asked about the price the customer will have to pay for […]

Posted on May 20, 2010 at 12:27 pm by sergeyt · Permalink · Leave a comment
In: Oracle, Sun

What’s new in OpenSolaris 2010.05

Came across an interesting link which proves that new OpenSolaris release is in the production pipeline. Update. The link has been promptly deleted. But it’s still available through Google’s Cache – Click here

Posted on May 19, 2010 at 5:41 pm by sergeyt · Permalink · Leave a comment
In: Oracle, Solaris

Tender thanks for invitation

As I mentioned in my last post there is going to be a planed Oracle+Sun welcome event on the 20th of May in Moscow Marriott Hotel and, nevertheless, I was a bit skeptical about my chances to be allowed to attend this event I still received the confirmation today. Frankly speaking, I don’t expect to […]

Posted on May 19, 2010 at 12:33 pm by sergeyt · Permalink · Leave a comment
In: Oracle, Sun

Oracle Sun welcome event

Finally, Oracle+Sun Welcome Event has come to Moscow but it’s very unlikely that I would be invited since every application must be approved and something tells me that my ordinary “Unix engineer” job title isn’t high enough for the invitation. But I still believe…

Posted on May 17, 2010 at 3:05 pm by sergeyt · Permalink · One Comment
In: Oracle, Sun

Who is swapping?

Yeah, I know that this has been already posted in other blogs many times before but to keep it more close for my own eyes I’ll re-post it here anyway. So, the following two series of dcmds could help you to figure out what processes have occupied the swap by listing their PIDs or executed […]

Posted on May 17, 2010 at 11:58 am by sergeyt · Permalink · Leave a comment
In: Solaris

Disk replacement with VxVM

Be aware, that with Solaris 10 and VxVM MP3 a correct disk replacement procedure now looks as described here: # vxdisk rm Offline and Unconfigure the Lun # luxadm -e offline /dev/rdsk/s2 # cfgadm -c unconfigure -o unusable_SCSI_LUN cX:: Cleanup/Recreate device Tree # devfsadm -Cv Recreate and Rescan VxVM devices. # vxddladm stop eventsource # […]

Posted on May 5, 2010 at 6:32 pm by sergeyt · Permalink · Leave a comment
In: Veritas