Search Results: "Martin Michlmayr"

20 December 2009

Wouter Verhelst: QNAP NAS device

A customer called me a while back. They have a pretty high-end NAS (2U server with external disk enclosure) that they use for most of their needs: both document and other storage for management types, as well as storage for their EDA cluster. People familiar with EDA tools will know that they are pretty disk intensive. They tend to require shitloads of diskspace, preferably at high performance. The problem was that extending the storage space of this high-end NAS device is rather expensive. Supported disks only come at 300G units with prices that are higher than the cheap TB disks available today for the desktop market; and while the price and performance of those disks is worth it for the EDA requirements, the number of people storing documents and similar on the same device is not so high that performance would be an issue. Thus, what they wanted was a cheap solution to augment, rather than replace, their current storage solution, with the focus being on low cost at the possible expense of performance and, since bacula runs well there, reliability. They were quite surprised when I offered them a solution based around a QNAP device; they had expected a price, without hard disks, of about three to four times the price of the QNAP, and therefore were very happy with this suggestion. Unfortunately, the devices produced by this manufacturer that are supported by Lenny, the current Debian stable release, were EOL'd just before we placed the order; however, their replacements will be supported by Squeeze, the next release, and with a bit of help from Martin Michlmayr, we were able to install Lenny with a somewhat more recent kernel. This drove the price up somewhat, both because the newer devices are a few tens of euros more expensive, and because we agreed to pay Martin to prioritize work on the specific device that we'd need, so that we wouldn't have to wait for him to get around to it. As of this Thursday, the device, which had finally arrived after some initial delays, has been installed. Unfortunately, one of the disks that they'd bought was DOA; but they had the foresight to buy five, rather than four, disks, so that was not a major problem. In fact, the only real issues that I ran into were this one arm-specific bug, and the fact that the high-end NAS device is still running etch, which means that rsync --acl won't work. That means I'll have to go back there soon to do an upgrade of the high-end device (which had been planned for a while already); for the arm-specific bug, a workaround is already in place. All in all, a pretty good experience.

19 December 2009

Adrian von Bidder: True Support

I know, preaching to the choir and all that. But this can't be said often enough (and perhaps the odd non-Debian person stumbles upon this...): Here's another example of how amazingly fast free tech support works: The newest Linux kernel (Debian package version: 2.6.32-1) wouldn't boot on my QNAP TS-419P NAS (see also my earlier posting about the device). Now, since I don't have a serial console cable, I can't really help a lot to debug this (and I am extremely happy that the people at QNAP have thought about recovery: it's trivial to just flash a working kernel or firmware image via DHCP and TFTP), bu still Martin Michlmayr immediately took the time to help me and soon could reproduce it on one of his own machines. The problem has been identified, I got a fixed kernel, and a patch is on his way to the kernel maintainers. All in the after literally just a few days.

1 December 2009

Adrian von Bidder: Toys, Number One

After I had been living with mostly the same electronic toys over the last few years (ok, I got the netbook earlier this year, but that's about it... and it might even count as a serious work tool given how much I came to use it) all the toys I've agonized over buying suddenly appeared on the doorstep within these two weeks... First part was the QNAP TS-419P which I bought after reading about QNAP on Martin Michlmayr's blog. The decision was quick when I realized that at least part of the Debian related information was not hidden in some obscure web forums but was there on the QNAP wiki itself, indicating quite some level of support from the manufacturer. Beyond that, tbm does an awsome job supporting QNAP users like myself through his excellent QNAP / Kirkwood pages and also, since Debian installer support for the 419 is not quite finished, by email. Kudos to him! So, once I get past some remaining obstacles (for some reason, the initrd refused to mount a raid1 root device when I tried it at first; working on that, but it's not that easy to debug without console access...) our old storage / Internet router (very old! Pentium II 350MHz with 128M RAM and its probably third internal disk, which became ridicolous to use when I bought a (big) external USB disk and realized it only has USB 1...) can be retired. Should be good for the environment, too, I should hope, in terms of power consumption even considering that I now run 3 more disks.

10 November 2009

Martin Michlmayr: Project management lessons from the FreeDOS Project

A lot of people seem to think that open source is a magic solution to project management and that open source projects will automatically attract a large and healthy community of contributors and users who will improve the software. This, of course, is not the case. In fact, creating a successful open source project is a really major and difficult effort. You have to deliver an initial promise that people find interesting, attract other people, then facilitate and lead the community, etc. You just have to look at all the failed projects on SourceForge that never delivered any code to see that "open source" is not a guarantee for success. Even though project management is a key element of every open source project, there are only few resources about this topic. That's why I always enjoy reading about the experience from open source project leaders. Jim Hall, the founder of the FreeDOS project, recently posted a series of four articles which I find particularly interesting. Here are links to the articles along with a quick summary: I really like these articles from Jim Hall since they contain a lot of great insights that apply to other projects, so I suggest you check them out! (Originally published on FOSSBazaar)

7 November 2009

Martin Michlmayr: Marvell publishes roadmap of its ARM series called Armada

For those who haven't seen it yet, LinuxDevices published an article recently looking at the roadmap of Marvell's ARM line. The new line is called Armada and for Debian the Armada 510 (known as Dove) is of particular interest. To me, it essentially looks like a Kirkwood (the current platform) but with ARMv6/v7 (instead of ARMv5), integrated VGA and some other features. According to the article, the Armada 510 is aimed at "high-end smartbooks and tablets". I'm happy to see the integration of VGA because I'd like to see more ARM based smartbooks, tablets and thin clients. At the same time, I'm worried that the VGA will be some proprietary chip without proper open source drivers and I'm surprised that the new chip only offers 1.2 GHz. After all, the current Kirkwood chip clocks 1.2 GHz already, so I'd have expected an increase to 2.0 GHz for the next generation.

5 November 2009

Martin Michlmayr: New devices from QNAP: TS-110, TS-210 and TS-410

When I visited Taiwan last week to talk about Debian at a conference on smartbooks, I used the opportunity to meet up with the folks from QNAP. It was really nice to meet many of my contacts at QNAP in person. We talked about their roadmap and existing products and I found out that they had just released a number of new devices that may be of interest to Debian users. I really like the hardware from QNAP but one downside of their high quality is also that the devices are fairly expensive. Last week they introduced a number of lower cost alternatives: in addition to the TS-119 and TS-219, you now have the TS-110 and TS-210. They feature a 800 MHz CPU (instead of 1.2 GHz on the TS-119/TS-219), 256 MB (instead of 512 MB) and have a plastic case (as a result of which, the TS-110 now has a fan unlike the TS-119). Similarly, in addition to the TS-419 and TS-419U, you now have a TS-410 and TS-410U. Since the TS-110/TS-210 and TS-119/TS-219 are compatible, the Debian installer will work out of the box.

2 November 2009

Martin Michlmayr: New Debian on NSLU2 documentation available

I wrote several new guides about Debian on the Linksys NSLU2 this weekend. The new guides cover the following topics: You can find this documentation at my Debian on NSLU2 site.

12 October 2009

Martin Michlmayr: Debian installer for SheevaPlug available

You can now use the Debian installer to install Debian on the Marvell SheevaPlug. This routine will install Debian testing (squeeze), which is currently under development. The installer itself is also under development, so there may be problems from time to time but it should generally work pretty well. The Debian installer doesn't support installations to flash, but you can use it to install to a USB stick or disk as well as to an SD card. Here are installation instructions.

11 October 2009

Martin Michlmayr: Upgrading SheevaPlug's U-Boot to version 3.4.19

Marvell made a new version of U-Boot for the SheevaPlug available last month. This version, 3.4.19, integrates SD card support and improves support for FAT32 USB partitions (although USB support in general is still a bit flaky). This page describes how to install this new version of U-Boot on your SheevaPlug. First of all, download the SheevaPlug U-Boot 3.4.19. Unpack the zip file and copy the file u-boot-3.4.19/u-boot-rd88f6281Sheevaplug_400db_nand.bin to your TFTP server. I suggest you call the file u-boot.bin. Then start your SheevaPlug and type the following:
setenv serverip 192.168.1.2 # IP of your TFTP server
setenv ipaddr 192.168.1.200
bubt u-boot.bin
The upgrade process will ask whether you want to change the environment:
**Warning**
If U-Boot Endiannes is going to change (LE->BE or BE->LE),
Then Env parameters should be overridden..
Override Env parameters? (y/n) n
Make sure to answer "n" here. We also need to make a small change to the u-boot configuration because this version of u-boot no longer accepts the console parameter we have been using. Thanks to Tom Rinehart for pointing this out. Instead of console, we'll therefore add a new bootargs_console and update bootcmd to make use of it:
setenv bootargs_console console=ttyS0,115200
printenv bootcmd
You'll see that bootcmd contains $(console). You have to set a new bootcmd and change the console parameter to $(bootargs_console). In my case, I'd type:
setenv bootcmd 'setenv bootargs $(bootargs_console); run bootcmd_usb; bootm 0x400000 0x0800000; reset'
Make sure you don't forget the quotes! Finally, save the environment and restart your machine:
saveenv
reset

10 October 2009

Martin Michlmayr: Debian installer for QNAP TS-119, TS-219 and TS-219P available

The Debian installer for QNAP TS-119, TS-219 and TS-219P devices (based on Marvell's 1.2 GHz Kirkwood chip) is now available, together with installation instructions. The installer is still under development and it will install Debian testing, which is also under development. However, I think it's working pretty well. If you try the installer, please send me feedback.

6 June 2009

Martin Michlmayr: Fan control on the D-Link DNS-323

The kernel in Debian doesn't have support for the fan control chip on the D-Link DNS-323. Since some people said that their device runs quite hot after installing Debian, I've prepared a 2.6.29 based kernel that includes the fan driver. If you want to install this kernel, edit the file /etc/apt/sources.list and add the following line:
deb http://people.debian.org/~tbm/orion lenny main
Now you can install the new kernel:
apt-get update
apt-get install linux-image-orion5x
After a reboot, you can control the fan this way:
echo   0 > /sys/class/hwmon/hwmon?/device/pwm1  # turn it off
echo 255 > /sys/class/hwmon/hwmon?/device/pwm1  # turn it to full speed
Any values between 0 and 255 will work. According to Anselmo Luginbuhl, you should also be able to use the lm-sensors package to automatically control the fan: "Execute pwmconfig, it will make some tests and generate the fancontrol config file. At the end of the procedure it will ask you to "Select fan output to configure, or other action:", just be sure to pass through choice "1" or it would not fill in the configuration file, save the configuration and start the daemon /etc/init.d/fancontrol. Probably the only thing that needs some attention to get an optimal result is to choose the right parameters for max and min temperature at which the fan should start or stop to minimize the C and the noise." Finally, this kernel also includes some performance patches from Marvell, so you might see some performance increases too.

5 June 2009

Martin Michlmayr: Corporate participation in open source communities

Someone recently asked me a few question about corporate participation in open source communities and I thought I'd share my thoughts on this topic here. Are there differences between an open source project done for a corporation and one done for personal reasons? There are many different ways to run an open source project, led by a corporation or by someone else. Some projects that are run by corporations have few outside contributors. This is often the case with projects that require copyright assignment (i.e. contributors have to assign their copyright to the corporation). These projects may not gain all the benefits of a true open source community, such as outside contributions or high levels of peer review. However, they may still be very successful projects and may have high levels of quality. Projects done by a corporation may have better planning and may have more resources than other projects. When a corporation, especially a large one, starts or becomes involves in a project it can also give credibility to the project and attract a lot of interest to the project. This means that projects done by corporations may have a bigger impact and might also be more visible in terms of publicity. How do corporations successfully utilize an open source community? Corporations can benefit from an open source community in many ways. For example, they can often find people who will review their code or make code contributions. If people become excited about what the corporation does, they might also spread the word and create viral marketing for the corporation. Establishing a community around one's project is often also a good way to identify people to hire since you already have experience working with them and know their capabilities. How do open source communities successfully utilize their corporate relationships? Corporations can make several unique contributions. For example, large corporations can use their name to attract attention to a project and give it credibility. Furthermore, corporations have some capabilities that personal contributors often don't have access. They may have special testing equipment (such as servers with thousands of CPUs or hard drives) or access to a testing lab where a professional usability test can be done. Finally, corporations can sponsor developer conferences, which are typically very effective means for the community to come together and work on activities together. It is important for projects to remember that corporations are not charities and that they will invest in an open source project for a reason. Therefore, they have to ensure that the corporation will get tangible outcomes from their involvement or sponsorship, otherwise they may not stay involved in the long run. What are the risks for a corporation when working with an open source community? One risk is that the code (or other form of contribution) is not accepted. However, this is a risk any contributor to a project faces. Before making any sort of contribution, it is therefore important to become familiar with the project and its culture. Every project has their own "do's" and "don'ts" that have to be followed. Another risk is that a corporation will invest in a community project that later on is abandoned by the community. However, in this case, the corporation could take the lead and continue to maintain the project. What are the risks for an open source community when working with a corporation? One potential risk is that the corporation will assert too much control over the project. It's important for projects to ensure that the community as a whole has influence over the direction of a project rather than one particular player. Are certain certifications needed in order for someone to participate in open source projects for a corporation? Certifications are not needed to get involved in or start a project. However, it is important to become familiar with the open source community and the project one wants to contribute to. A good first step is to read the book Producing Open Source Software by Karl Fogel which is available online. As a next step, the community in which someone wants to get involved in should be studied, for example by reading the mailing list archives. This will help to become familiar with the culture of a project as well as the mechanisms to contribute to the project. How do open source communities communicate and collaborate with corporations? In the best case, employees from corporations would interact in the project like any other contributor. That is, they should use the existing communication channels, such as mailing lists, IRC or developer gatherings. Many companies are good at working "with the community" but the ideal scenario is for a company to be part of the community and to work "in the community", just like other contributors. This is the most effective way for them to make changes to the code and project. Of course, not every corporation will get involved in a project directly. That's why it makes sense for projects to collaborate with corporations in other ways. For example, projects can talk directly to companies to get samples of their hardware in order to add support for them in their software. Projects can also work directly with corporations to find out how their project can better meet the needs of enterprise users.

31 May 2009

Martin Michlmayr: Initial thoughts on the new QNAP TS-219P

QNAP TS-219P QNAP has announced a new device earlier this month, the QNAP TS-219P. The specs are very similar to the TS-219 (1.2 GHz Kirkwood CPU, 512 MB RAM and 16 MB flash) but the device is smaller and has some other advantages. What I like about the new TS-219P: What I don't like so much: Since the TS-219 and TS-219P are quite similar, Debian and the installer will work without any problems. I updated my QNAP page to document the QNAP TS-219P, including some pictures of the new device.

19 May 2009

Martin Michlmayr: SheevaPlug lenny tar ball and SD cards

I updated my SheevaPlug installation instructions today to document how to boot from an SD card. The u-boot boot loader shipped with the SheevaPlug doesn't have SD/MMC card support, but PlugComputer forum user kwonsk created one that does (and which works pretty well, except for not working with some SD cards).

Martin Michlmayr: First successful installation on QNAP TS-219

I performed the first successful installation of Debian on the QNAP TS-219 using the Debian installer today. Everything is in place now but the Linux 2.6.29 kernel has to move to testing so installations will work.

16 May 2009

Martin Michlmayr: Automatic power on QNAP Turbo Station devices

All ARM based QNAP machines can turn on automatically when power is applied if the device was not powered down correctly. This is helpful when your power goes down. Follow the instructions below if you want to turn automatic power on using Debian on a QNAP TS-109, TS-119, TS-209, TS-219, TS-409 or TS-409U. Edit the file /etc/apt/sources.list and add the following line:
deb http://people.debian.org/~tbm/orion lenny main
Now install a new version of qcontrol:
apt-get update
apt-get install qcontrol
Finally, turn the automatic power feature on:
qcontrol -d &
qcontrol autopower on
kill %1
rm /var/run/qcontrol.sock

13 May 2009

Martin Michlmayr: Update on QNAP TS-119/TS-219 kernel support

I mentioned a few weeks ago that initial kernel support for the QNAP TS-119 and TS-219 Turbo NAS got accepted for 2.6.30 but that there were some issues left. Here's an update: The SATA and flash fixes are already in our 2.6.29 kernel.

4 May 2009

Martin Michlmayr: Debian 5.0 (lenny) tar ball for the SheevaPlug

It took me a while because of travel and other projects, but I finally released a tar ball containing Debian lenny for the SheevaPlug along with some installation instructions. It should be really easy to install Debian this way, but I'll also make sure that SheevaPlug support will be in the Debian installer for the next release of Debian. For now, check out the tar ball I prepared!

1 May 2009

Martin Michlmayr: Adventures with the Qstarz BT-Q1000X GPS logger and receiver

Qstarz BT-Q1000X GPS in my hand Spring has arrived in Europe and I'm looking forward to spending more time outdoors. While I was pondering some plans, I thought it would be nice to have a GPS. I've never used a GPS before but it seems it will allow me to combine outdoors activities such as walking and hiking with geek things. In particular, I'm interested in tracking where I'm going (what route, what distance, what speed, etc), geotagging photos and possibly contributing to OpenStreetMap. Since last week, I have a Qstarz BT-Q1000X (Travel Recorder X), a GPS logger and receiver, and I've been playing around with it a bit. This device uses the new MTK II chip, which gives good accuracy and long battery time. I've created a new gps category in which I'll share my experience using a GPS in general and specifically the Qstarz BT-Q1000X. I've also created a Qstarz BT-Q1000X and Debian page to describe how to use this GPS device on Linux and I'll add more information to the page as I try out different applications.

29 April 2009

Clint Adams: Here she comes, big as life

What seems like eons ago, I ordered one of those SheevaPlug Development Kits. After about six weeks, they got around to shipping it, and then, yesterday, after I assume a tortoise had piloted it across the country on broken tricycle, it was finally delivered to me. I booted it up, observed that there was some kind of Ubuntu thing on it, and set myself to correct that problem. Within an hour I had managed to lock myself out. Here is something I should have read beforehand. Thanks to Martin Michlmayr, it is now running Debian and allowing me to log in. Here are some steps to follow if you would like to boot Debian off of a USB stick plugged into your Sheevaplug: That should be all there is to it. Next I'm wondering if SDIO wireless cards work.

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