Archive for the ‘Solaris’ Category
Little Shop of Performance Horrors
Watch a fantastic presentation by Brendan Gregg who dwells upon different performance aspects and issues with real life examples. This 2.5 hours discussion has been split into three parts: Part 1,
Replacing broken disk in SVM RAID5
It’s ineluctable that one day metacheck script, I strongly encourage you to use it if you don’t, will report a metadevice problem. In nine cases out of ten the root cause will be a failed disk. # metastat d90 d90: RAID State: Needs Maintenance Invoke: metareplace d90 c0t13d0s2 Interlace: 512 blocks Size: 335421567 blocks (159 […]
Veritas romp
Just came across a really funny piece of code in OpenSolaris. /* * XXX – Don’t port this to new architectures * A 3rd party volume manager driver (vxdm) depends on the symbol romp. * ‘romp’ has no use with a prom with an IEEE 1275 client interface. * The driver doesn’t use the value, […]
Resurrect path_to_inst file
To rescue /etc/path_to_inst file you have two options: echo “#path_to_inst_bootstrap_1” > /etc/path_to_inst; reboot — -r or reboot — -a
Solaris 10 10/09 hit the road
Without any hype a new Solaris 10 release has seen the light with bunch of glowing features, i.e. caching devices support in ZFS, ZFS user/group quotas, zone parallel patching, callout subsystem enhancements, etc. Please, visit the original “What’s new” document at docs.sun.com for more details. Update. Just have came across a useful link that could […]
Backup and restore Sun Cluster
Imagine for a second, even if it’s extremely unusual situation, that both nodes of your cluster have miserably failed simultaneously because of a buggy component. And now there is a dilemma what to do next: whether to reconfigure everything from scratch or, since you’re a vigilant SA, use the backups. But how to restore cluster […]
In: Solaris · Tagged with: sun cluster
Another video from Australia Kernel Conference
A hilarious video that elates your for the rest of the day even if you’re not from Down Under “How to survive as an Aussie Kernel Engineer” Cheers!
Keynote speech from Jeff Bonwick and Bill Moore
If you followed Kernel Conference Australia 2009, also mentioned in my blog here, you’d noticed that not every presentation was available for online visitors and that made me mirthless, since I was so much keen on listening about ZFS and its future, i.e. quota support, dedup, triple raidz, shadow migration, etc. from the creator’s lips. […]
In: Solaris · Tagged with: zfs
Two sessions from Java ComunityOne 2009
If you haven’t attended CommunityOne conference then here is a sweat gift from Sun Video blog materialised in “Becoming a ZFS ninja” and “Developing in OpenSolaris: Solaris Device Drivers” presentations driven by Ben Rockwood and Max Bruning respectively. Enjoy.
In: Solaris · Tagged with: zfs
Max Bruning’s course in Berlin, Germany
I’m bursting with envy… I do wish that one day we could have similar classes in my country.