Linked by Thom Holwerda on Mon 1st Jun 2009 17:50 UTC, submitted by poundsmack
Sun Solaris, OpenSolaris The team at Sun behind OpenSolaris has unleashed OpenSolaris 2009.06 upon the world. This new release comes packed with new features, changes, improvements, and fixes, and is the first release of OpenSolaris for SPARC, adding support for UltraSPARC T1, T2 (Sun4v), and UltraSPARC II, III and IV (Sun4u). Read on for some of the improvements that stand out.
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RE[13]: Pay or run unstable
by cade on Thu 4th Jun 2009 06:11 UTC in reply to "RE[12]: Pay or run unstable"
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It was mentioned ....

"Errrrrrrrrrrrr, the point being that no one should have to upgrade their entire installation to get security updates and no one has to."

Says who ?
A Linux user or an (Open)Solaris user ?

OpenSolaris is not Linux, but a real UNIX.
Linux is not OpenSolaris, but a unix-clone.
The two are different and that is abundantly obvious.

OpenSolaris patching/updates/upgrades/what-ever are confined within a new "boot environment" that can be activated on reboot of system. This way, if the upgrade is erroneous (e.g. from the source) then a rollback can occur and so the system is not comprised. See, if you have not figured it out yet, OpenSolaris gives you a fallback scenario. What's Linux's solution after a stuffed up upgrade/patching and no way to uninstall the erroneous software. I have experienced a failed Linux upgrade and it is not a pleasant experience especially when (unlike OpenSolaris) you cannot "flip a switch" and revert the system to a previous state. Also, these boot environments are lightweight/optimised. Even upgrading an entire installation (if need be) is a trivial task with ZFS/BootEnvironment/Rollback/etc framework.

Do not forget that Linux' number of years being in the "wild" are much greater than the relatively new OpenSolaris codebase. As such, some of your concerns related to OpenSolaris' update-ability may be related this difference. Then again, if needs be, this is something that should be able to get fixed as the OpenSolaris community is a vibrant one.

Also, remember that the OpenSolaris codebase represents the amalgamation of many innovative technologies that have been open sourced and that other operating systems (including Linux) are cloning these innovative technologies.

As such, the OpenSolaris community also devotes it's time to trend-setting innovation and I am thankful that this sort of innovation still exists. Since this this innovative detail is able to be pumped out by the OpenSolaris community then I would think that the upgrade-related issues you mentioned would eventually be sorted out (if need be).

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