IBM's LinuxONE Mainframe: What's Old Is New Again - InformationWeek

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8/18/2015
09:06 AM
Charles Babcock
Charles Babcock
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IBM's LinuxONE Mainframe: What's Old Is New Again

Linux on a mainframe is not a new idea. Red Hat and SUSE are already there. Linux on an affordable mainframe is the new idea.

IBM LinuxONE Emperor
(Image: IBM)

IBM LinuxONE Emperor

(Image: IBM)

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rshimizu921
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rshimizu921,
User Rank: Apprentice
8/19/2015 | 10:10:26 PM
Re: Hardware Cost For ISVs
IBM's Z series can use ZBX X86 blades to run linux on.

ess361
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ess361,
User Rank: Apprentice
8/19/2015 | 9:53:49 AM
Hardware Cost For ISVs
Linux on the mainframe will run into the same issue that Linux on Power has, cost of hardware.  An organization where I worked in the 2005-2008 timeframe invested in new Power servers and built virtual machines running WebSphere on RedHat.  Unfortunately, we were unable to find vendors that would support their products running in this environment because it was too costly for them to buy the hardware.  Yes, they had offerings that run in WebSphere on RedHat, but they did not have RedHat on Power in their organization due to cost. So just because it runs in Ubuntu does not mean it runs in Ubuntu on a mainframe. 
babcockcw
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babcockcw,
User Rank: Apprentice
8/18/2015 | 3:26:37 PM
Ubuntu leads but here comes LinuxMint
While Ubuntu is popular, don't forget CentOS, the Red Hat Enterprise Linux knock off, and there's a distro more popular than CentOS now, LinuxMint, at least in the application testing field, according to Phoronix.com. It now represents 4.3% of users, while CentOS represents 3.4%, according to stats from OpenBenchmarking.org derived from users of the Phoronix test suite. Ubuntu represents 39%. of test suite users.
babcockcw
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babcockcw,
User Rank: Apprentice
8/18/2015 | 1:25:06 PM
Mainframe CPUs: Like the Power chip, but different
Mainframes use a chip that's built on the same 22-nanometer fabrication line as the IBM Power chips, but as best I know, they're still different and unique to the mainframe. That's been the mainframe's long term liability in terms of cost to produce: you can't use any mass produced parts.
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