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Oracle Unveils The World’s Fastest General Purpose Engineered System, The SPARC SuperCluster T4-4 - Julien Gabel

Julien Gabel — Tue, 31 Jan 2012 13:48:45 +0100

Well, AFAIK the Fcode utility can only be used to create a hardware RAID array from the OBP. According to the Oracle SPARC T3-2 documentation, it seems that this volumes may be managed through the LSI SAS2 2008 RAID Management Utility for SPARC T3 servers (sas2ircu) or using the RAIDconfig command from the Oracle Hardware Management Pack 2.1.1.

I had to say that I never ever worked with this tools, I tend to prefer some software RAID volumes, using ZFS or SVM.

Oracle Unveils The World’s Fastest General Purpose Engineered System, The SPARC SuperCluster T4-4 - Baban Gaigole

Baban Gaigole — Sun, 29 Jan 2012 04:01:21 +0100

recently i installed a Oracle SPARC T3-2 server with raid1 mirror using FCode Utility. How do i see the mirroring status from os as raidctl is not working. Do i have to take the server down to ok boot prompt every time i want to see the mirror status?

Export and Import a Volume Group... When Things Goes the Wrong Way - Julien Gabel

Julien Gabel — Mon, 21 Nov 2011 11:25:19 +0100

The problematic volume group hasn't to be imported on another system, it was imported on the real (and targeted) system.

Export and Import a Volume Group... When Things Goes the Wrong Way - saji6659

saji6659 — Sun, 20 Nov 2011 17:24:28 +0100

hi,
suppose I need to import the vg to another system, so while exporting the vg, where should I export , I mean need to export to tape drive?

Export and Import a Volume Group... When Things Goes the Wrong Way - Julien Gabel

Julien Gabel — Mon, 24 Oct 2011 10:30:44 +0200

You are right, thank you for commenting. Typos corrected.

Export and Import a Volume Group... When Things Goes the Wrong Way - xzx

xzx — Sun, 23 Oct 2011 23:19:06 +0200

hi,
thanks for the tip.

just one thing.
here on ( # importvg colombvg ) I believe you meant
importvg nordikavg. right?

How to Add a New "sshd_adm" Service on AIX 5L - bennethos

bennethos — Thu, 25 Aug 2011 09:20:03 +0200

thx a lot for this post, helped me out

Interesting Use Case Of Solaris Swap Space - Julien Gabel

Julien Gabel — Thu, 04 Aug 2011 09:49:29 +0200

Thank you for your comment!

You are right. This is explained in great detail in the article When Linux Runs Out of Memory which I pointed out in a precedent post on this particular subject.

Interesting Use Case Of Solaris Swap Space - Greg

Greg — Thu, 04 Aug 2011 09:38:15 +0200

"Some operating systems does lazy memory allocations, such as IBM AIX or the Linux distros."

On Linux, this is an easy to change behavior:

echo 2 > /proc/sys/vm/overcommit_memory

Solaris 11 Express: Problem #4 - Julien Gabel

Julien Gabel — Tue, 05 Jul 2011 19:37:07 +0200

The fact is I did not remember if I tried the pkg rebuild-index command. I tried multiple things (not all were translated on the blog), but I can't remember for this one.

I guess this one could have help me?

Solaris 11 Express: Problem #4 - saurabh ahuja

saurabh ahuja — Tue, 05 Jul 2011 17:58:06 +0200

did u tried "pkg rebuild-index"?

Debugging After A Solaris System Was P2V'ed - Pierre

Pierre — Tue, 28 Jun 2011 12:52:22 +0200

Courier SMTP might simply autoconfigure itself by allocating a percentage of the available memory by default. Your E450 had less memory than the new V490... Try to use the "capped-memory" feature of zones.

Discrepancies Between df And du Outputs - Jie

Jie — Fri, 20 May 2011 20:46:34 +0200

Thank you so much for the post. It helped me find our Sun server problem and save about 100G disk space.

Comparison: EMC PowerPath vs. GNU/Linux dm-multipath - oczkov

oczkov — Wed, 26 Jan 2011 17:46:00 +0100

One of the main differences between Linux native MPIO na PP is that EMC PowerPath is fully aware of what load balancing algorithm to use with a given storage device. It has a dedicated algorithms optimized for CLARiiON and Symmetrix arrays.

With MD-MPIO you have only round-robin, which may or may not be the best choice for active-passive or ALUA storage.

BTW: anybody found some I/O benchmarks showing what is the performance difference between PP and MD-MPIO? If it is just a few % points more for PP then is it worth to pay 1.1 up to 5.7 k USD per server?

Regards,

Debugging After A Solaris System Was P2V'ed - xsanch

xsanch — Mon, 11 Oct 2010 05:03:16 +0200

Really nice work and troubleshooting, I like your stile :)

Live Upgrading When Diagnostics Mode Is Enabled - Nilesh Joshi

Nilesh Joshi — Thu, 02 Sep 2010 11:09:56 +0200

Hi Julien,

How are you?

Interesting post! If you visit http://www.solarisinternals.com/wik... and look for Live Upgrade Issues section you will see one line information at the bottom of this topic stating – “LiveUpgrade is not supported on a system in diagnostic mode, where the diag switch is set to true.”

For me this was a good information though, however I also realized that so many things are there which are documented but sometime we miss some small piece of information and which leads to such issues…

Thanks for posting this interesting post. It is helpful…

Thx

--Nilesh--

Want to Shrink a zpool? - otislafayette

otislafayette — Wed, 07 Jul 2010 22:03:05 +0200

How was this overlooked? AIX's LVM had the ability to migrate a physical volume or a logical volume at least back to 4.1.3.

Debugging After A Solaris System Was P2V'ed - GreG

GreG — Tue, 06 Jul 2010 14:13:12 +0200

N'y aurait-il pas une emprunte mémoire un peu plus importante des libs systèmes ? Du type en même temps que le P2V on a changé d'update Solaris 8 et une lib prends plus de mémoire qu'avant pour le même service ?

Upcoming IBM AIX 6 features vs. Sun Solaris 10 and OpenSolaris - Julien Gabel

Julien Gabel — Fri, 30 Apr 2010 18:43:00 +0200

You are right. In fact, it is already in a good shape on FreeBSD too.

Getting Emulex HBA Information on a GNU/Linux System - Julien Gabel

Julien Gabel — Fri, 12 Feb 2010 12:38:45 +0100

Well, for scanning new devices on a SCSI chain I just use the script provided by Emulex on their site, and adapt it a little when HBA are from QLogic eventually.