[20100119]
|
A colorful collection of NetBSD news from the past few weeks
AKA "I've been slacking again, and there's a whole pile of stuff
here now that I'm putthing into one blog posting". Here we go:
-
Initial support
for the
FriendlyArm Mini2440 board has been announced by Paul Fleischer.
In a later update,
most of the hardware is reported working, and
the patch is available for review & comments.
Furthermore, the touch screen is usable, and
Qt/Embedded was built on top of wscons.
- Force10 Networks Receives Common Criteria Security Certification for Its High-Performance Ethernet Switch/Router Products.
According to the article, ``Common Criteria evaluations entail formal rigorous analysis and testing to examine security aspects of a product or system. Extensive testing activities involve a comprehensive and formally repeatable process, confirming that the security product functions as claimed by the manufacturer. Security weaknesses and potential vulnerabilities are specifically examined during wide-ranging evaluation and testing.
FTOS is the operating system software that runs on Force10 switch/router product lines, including the E-Series, C-Series and S-Series platforms. Based on NetBSD, FTOS leverages a distributed, multiprocessor architecture that delivers highly scalable protocols and reliability. By delivering the same OS across its entire switch/router line, Force10 ensures that customers benefit from stable code, a consistent configuration environment and simpler software management. ''
- While there:
Force10 Networks Delivers Ethernet-Optimized Platform for MPLS Core Networks:
``Force10 Networks, Inc. [...]
announced the immediate availability of MPLS (multi-protocol label switching) functionality for its ExaScale E-Series core switch/routers.
[...]
The ExaScale platform combines high-density, non-blocking, line-rate 10 GbE switching and routing with robust MPLS LSR support at 1/5th of the cost of a traditional core router, enabling carriers to fully capitalize on the economic advantages of Ethernet.''
- Create Bootable Live Linux USB Drives with UNetbootin:
``UNetbootin allows you to create bootable Live USB drives for a variety of Linux distributions from Windows or Linux, without requiring you to burn a CD. You can either let it download one of the many distributions supported out-of-the-box for you, or supply your own Linux .iso file if you've already downloaded one or your preferred distribution isn't on the list.''
And of course we all know that NetBSD is Linux, right?
See the list of supported distributions:
The
homepage
mentions that NetBSD 4.0 is supported, maybe someone wants
to give them an update on what's up with NetBSD 5.0?
Would be nice to see that on the list!
- Ever wondered what happened with the BSD Certification recently?
There's a video from the talk
BSD Certification Group: A Case Study in Open Source Certification
available that talks about the goal of the project,
the two exams (BSD Associate, BSD Professional), and what's
going on behind the scenes.
- With the move from XFree to X.org, the X server for the DNARD Shark's
NetBSD/shark lost support for accelerated X.
Thanks to Michael 'macallan' Lorenz,
hardware-accelerated X for NetBSD/shark is back now:
``I finally got around to start working on an Xorg driver for the IGS CyberPro
20x0 family found in rev. 5 Sharks, Netwinder etc. - currently the driver is
built only on shark and supports only the VL variant found there. Adding
support for PCI chips is trivial though, just needs extra probing.
The driver supports autoconfiguration ( X -configure should yield something
almost usable, only DefaultDepth needs to be adjusted).''
- Staying with cool platforms, here's a
quick procedure
to run
NetBSD/sun2 5.0.1
on
The Machine Emulator (TME)
(see pkgsrc/emulators/tme), compiled by Izumi Tsutsui.
Who's first do get a pkgsrc bulk build done? :-)
- Jed Davis has committed the
RAIDframe parity Summer-of-Code project.
See
his posting
for the details. The project
``drastically reduces
the time RAIDframe spends rewriting parity after an unclean shutdown by
keeping better track of outstanding writes (thus, "parity map"). The
tech-kern archives have more details [...]
This feature is enabled by default on all sets (other than RAID 0). It
can be administratively disabled with the new "raidctl -M" flag, which
is described in the changes to the raidctl(8) man page; however, the I/O
overhead for updating the parity map is expected to be unnoticeable in
practice.''
So much for now. There is more in the pipe, but that will have
to wait for now. Good night!
[Tags: arm, bsdcg, certification, common-criteria, embedded, exascale, force10, friendlyAam, google-soc, mpls, qt, raid, raidframe, shark, sun2, tme, unetbootin, xfree, xorg]
|
[20070422]
|
Installing RAIDFrame level 1 root NetBSD/sparc system
This documentation on
Installing RAIDFrame level 1 root NetBSD system
did fly by on IRC, besides the documentation it also includes
a patch for some tools
and a utility
to calculate swap.
Does anyone feel like adding this to the
NetBSD Guide's RAID section?
[Tags: raid]
|
[20060228]
|
Experimental benchmark result of recent PC UNIX file systems
I haven't seen
this one
before, and it's a bite dated (from 2003,
speaking about NetBSD 1.6ZC, FreeBSD 5.1 and RedHat 9), but I
think the results are not uninteresting, citing from the
conclusions:
``
- Write:
- Linux software RAID5 25MB/s
- NetBSD software RAID5 10MB/s
- FreeBSD software RAID5 5MB/s
- Linux hardware RAID5 10MB/s
- NetBSD hardware RAID5 25MB/s
- FreeBSD hardware RAID5 20MB/s
- Read:
- Linux software RAID5 45MB/s
- NetBSD software RAID5 33MB/s
- FreeBSD software RAID5 25MB/s
- Linux hardware RAID5 25MB/s
- NetBSD hardware RAID5 30MB/s
- FreeBSD hardware RAID5 24MB/s
''
Seems there's more than 1-2 operating systems that are "good" on PCs.
(Oh wait, NetBSD isn't strictly for PCs... but I guess adding all those
abstraction layers that make NetBSD portable did not hurt performance
too hard; I'd be interested to see a 2006 edition of that benchmark)
[Tags: benchmark, filesystem, raid]
|
[20060216]
|
Do you know what disk your data is on?
Do you really know what disk your data is on?
This may be an easy question when you only have single
harddisks, but with vnd(4), ccd(4) and raid(4) it's not so
obvious any more, and to get the real fun started, who
said you can't use things like a RAID 1+0 configuration?!
The problem appears when you try to check filesystems:
in order to avoid hitting a disk with partitions used
in two vnd/ccd/raid/whatever configurations, some
intelligence is needed. One approach is to leave this to
the system administrator (which has some drawbacks),
another one is to figure it out automatically, and
teach fsck(8) to not hit a disk (spindle) twice at
the same time.
Robert Elz has
proposed a framework
for sorting this out. It includes the start of a patch, but
more work is needed, and some help is needed. Please
mail the missing pieces of the puzzle back to Robert!
[Tags: ccd, fsck, raid, vnd]
|
[20050519]
|
RAID explained ...(Update #2)
... visually.
Update #1: The link is currently broken, anyone got a copy?
Update #2: Thanks to Geert Hendrickx, here is a mirror, powered by NetBSD/sparc! :)
[Tags: funny, images, raid]
|
[20040622]
|
sparc64 can boot from raid1
Martin Husemann has found out how to get the sparc64 port booting
from a RAID 1 (mirroring) disk. See his
posting to the port-sparc64 mailing list as well as the
RaidFrame chapter in the NetBSD Guide.
[Tags: raid, sparc64]
|
|
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'nuff.
Grab the RSS-feed,
index,
or go back to my regular NetBSD page
Disclaimer: All opinion expressed here is purely my own.
No responsibility is taken for anything.