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тАО06-14-2007 04:35 PM
тАО06-14-2007 04:35 PM
is linux as stable/secure/reliable as HP-UX/IBM-AIX/Sun SOLARIS/SGI IRIX ?
Regards
Maaz
Solved! Go to Solution.
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тАО06-14-2007 05:04 PM
тАО06-14-2007 05:04 PM
SolutionIn some ways, the big-boys have it easy. They only develop for 1-2 platforms (HP-UX is only on PARISC and IA64, AIX is only on MIPS and Power, Solaris is only on SPARC (and i386 if you want to dredge up history), IRIX is only on MIPS). They also have dedicated programmers sitting there doing nothing but their Unix.
Linux however is developed a very dedicated group of volunteers, with the help of some corporate sponsorship (HP, Dell, IBM, SuSE, Redhat, Novell, etc. etc.).
The very in-house-ness, coupled with the sheer age of the Big Boys is what helps them be so stable and reliable.
Linux is still a snot-nosed little kid compared.
But this little kid has some serious game.
Security wise, it has most of the features on offer from the Big Boys, as well as a few new ones (SELinux) of which allow for extremely fine control of resources (including file system, sockets, pipes, etc.). This can make it a very tight ship if you spend the time to configure and tailor it all. There still isn't any simple and 'neat' way to do all of that.. Yet..
Reliability wise, for everything I do with it, it's more than reliable enough! Most of the servers I run have 293 days uptime (that's simply because they're 294 days old). And these things are on the front-line, getting clobbered by Internet users!
Do they have the ability to outweigh a mission-critical back-end server? Well, possibly not quite yet. For almost anything else? Yeah, they're reliable enough.
But it really does depend on your update policy, and on which distribution you use.
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тАО06-14-2007 08:45 PM
тАО06-14-2007 08:45 PM
Re: is linux stable/reliable enough ?
Goes without saying that for mission critical applications you should always consider a failover/backup node - even with hp-ux and other unixs.
Bill
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тАО06-14-2007 11:03 PM
тАО06-14-2007 11:03 PM
Re: is linux stable/reliable enough ?
In the "Unix" world I would have to answer Yes , some distribution of the Linux kernel are as stable/secure/reliable as HP-UX/Sun Solaris/SGI IRIX, i am thinking of RedHat Gnu/Linux distributions here (or distribution based on redhat like "Centos"),Suse is probably also in this category, But I have not used this for a long while.
And as mention by Stuard Browne SELinux make this very solid ..but still a little hard to setup
I found that most gnu/linux I have installed worked with have performed well and have been
reliable/stable easy to maintain, update, migrate and monitor.
But if pushed to make a choise on OS I would go OpenVMS !, but this is not "UNIX".
Jean-Pierre Huc
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тАО06-15-2007 01:22 AM
тАО06-15-2007 01:22 AM
Re: is linux stable/reliable enough ?
As stable as HP-UX. No.
It can do more things than HP-UX because more apps run on it. Used carefully it can be as stable as needed for the Enterprise.
The quality assurance of the various distributions need work.
Given a choice I still like to recommend HP-UX. But money often dictates Linux and its good enough for many uses.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО06-15-2007 04:00 AM
тАО06-15-2007 04:00 AM
Re: is linux stable/reliable enough ?
I've also noticed that the Linux distributions certified by big software vendors like Oracle and IBM sometimes have unacceptably poor quality control.
My recent experience has been that availability is more often limited by the applications you host than by the OS and hardware. Hardware and operating systems keep getting better, but somehow applications keep getting worse....
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тАО06-15-2007 07:48 AM
тАО06-15-2007 07:48 AM
Re: is linux stable/reliable enough ?
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тАО06-15-2007 04:22 PM
тАО06-15-2007 04:22 PM
Re: is linux stable/reliable enough ?
I'll welcome more
points assignment will be on MONDAY ;)
Regards
Maaz
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тАО06-15-2007 11:57 PM
тАО06-15-2007 11:57 PM
Re: is linux stable/reliable enough ?
Depending on the flavour of Linux you plan to install, the answer may vary. Because we have so many flavours that run on so many different platform, it is even more difficult to answer.
But REDHAT and SUSE have been offering very stable Linux versions for the Enterprise. Redhat Enterprise Linux Advanced Server is a robust linux solution that is available for IBM and well as HP platforms.
The fear of not having proper drivers etc is quasi-inexistant.
In such cases, you must not consider Linux as being inferior to the major OSes that you have mentioned above.
Kind regards
yogeeraj
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тАО06-17-2007 06:18 PM
тАО06-17-2007 06:18 PM
Re: is linux stable/reliable enough ?
Now there are 2 big hurdles you need to think about:
- is your HW good enough? those Unix boxes with most of the time are pretty well build. while most intel boxes are built to be as cheap as possible (certain brands come to mind).
the reasoning here is to have many cheap boxes and thus provide high availability that way. this strategy does not work for every app.
- is the _software_ good enough? really important! if you're going to use commercial software not included in your distro be sure to check out how stable that software is on Linux. Too many times they release sloppy unix-to-linux ports that crash all the time. sure the OS keeps running, but the application is down all the time.
This last issue is important! mostly when you read in the press that some linux migration didn't work out and they are dissing linux 90% of the time it was the application running on it that was causing the problems.