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ARM on servers: why, and why now?

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From the «first and arm, then a leg, then robot revolution» department:
Title: Why ARM Servers, And Why Now? (EnterpriseTech)
Author:
Date: Tue, 06 May 2014 15:55:48 -0400
Link: http://lwn.net/Articles/597513/rss

Timothy Prickett Morgan takes a look[1] at how the ARM server ecosystem is
coming along. "As Canonical announced two weeks ago, Ubuntu Server 14.04 LTS
is the X-Gene 1 from Applied Micro and the Thunder from Cavium Networks. Red
Hat has demonstrated its Fedora development Linux on the X-Gene 1 and AMD’s
“Seattle” Opteron A1150 processors, and Jon Masters, chief ARM architect at
Red Hat, said at the ARM Tech Day that 98.6 percent of the packages in RHEL
are “ARM clean,” and added that this is a full-on 64-bit implementation of
the stack and that Red Hat would not support 32-bit code and that the support
for 64KB memory pages made it impossible to do a 32-bit port. That said, you
can always load a virtual machine with a version of Linux that does support
32-bit code if you need to, said Masters. Red Hat will not comment on when or
how ARM support will be available with the commercial-grade Enterprise Linux,
and a lot depends on the availability of hardware that supports various
standards (UEFI and ACPI for instance), demand from customers, and the
readiness of key programs such as Java. SUSE Linux has added support for ARM
chips in the openSUSE development version and is very likely shooting to have
ARM support in Enterprise Server 12, due to go into beta maybe later this
year for production next year."

Links:
[1]: http://www.enterprisetech.com/2014/05/06/arm-servers-now/ (link)

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ARM on servers: why, and why now? RS Wood  <rsw@therandymon.com> - 2014-05-08 13:49 +0000

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