crosstool-NG: server status

crosstool-NG: server status

[Yann E. MORIN]

Hello All!

I'm experiencing a disk failure (*) on the server that hosts crosstool-NG.
The server is now shutdown until I get a new disk back. :-(

In the meantime, the server is hosted in a virtual machine on my main
machine. That should be absolutely transparent, and you shouldn't notice
any difference.

Sorry for the inconvenience... :-(

Regards,
Yann E. MORIN.

(*) The disk is only 3 months old, and it's been showing bad sectors since
    the second months. I re-did the formating, scanning the full disk for
    bad blocks, but new ones appearred just today. Sigh... Time for a SDD,
    I guess! :-)
YEM.

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Re: crosstool-NG: server status

[Thomas Petazzoni]

Le Thu, 6 Aug 2009 20:00:52 +0200,
"Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> a écrit :

> I'm experiencing a disk failure (*) on the server that hosts
> crosstool-NG. The server is now shutdown until I get a new disk
> back. :-(
> 
> In the meantime, the server is hosted in a virtual machine on my main
> machine. That should be absolutely transparent, and you shouldn't
> notice any difference.

What about hosting crosstool-ng on some free software forge, like
Savannah, Gna, or something else ? This way, you wouldn't have to spend
time on system/network administration-related issues.

Sincerly,

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers and embedded Linux development,
consulting, training and support.
http://free-electrons.com

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Re: crosstool-NG: server status

[Yann E. MORIN]

Thomas,
All,

On Thursday 06 August 2009 23:49:06 Thomas Petazzoni wrote:
> What about hosting crosstool-ng on some free software forge, like
> Savannah, Gna, or something else ? This way, you wouldn't have to spend
> time on system/network administration-related issues.

Well, that's part of the experiment! :-P
And a challenging part, to say the least!

I'd like to be able to be self-hosted, and delegate as less as possible.
Currently, only DNS records are external (on dyndns), and will almost
certainly stay that way for a long time... Andof course I need an ISP.

The most obvious advantages are:
- most important: I learn.
- I'm dependent upon a very few external entities (only ISP and DNS)
- I can customise/update the system at will (software versions...)
- I can grant/veto access at will
- I can run any server I wish (eg. VPN...)

The most obvious drawbacks are:
- availability, but I'm working on that:
  - I have at least two physical machines able to host a copy of the server
    in a virtual machine, should the real server has a fatal HW failure (as
    is the case curently); starting a VM-server is a matter of seconds
  - the server is backed up by a UPS that can sustain a two-hour power
    outtage
  - the machine has one 80GiB disk for the system, and two 500GiB disks,
    one for storing live data, the other one will be acting as a /mirror/
    that gets rsynced every hour, to serve as level-1 backups; both disks
    use a file system different from one to the other
  - OTOH, hot-swap HW is too expensive, so fixing the server would require
    some downtime
- backups, that's being worked on:
  - I have an NSLU2 that I'll setup to do nightly backups onto a dedicated
    500GiB HDD that will serve as level-2 backups
  - I also have a tape drive to store long-term, level-3 backups
- bandwidth: being behind a DSL line limits my uploads to about 1Mibps,
  but that's bearable, crosstool-NG is not that big, and the hg protocol
  is quite efficient
- it's expensive and time-consuming, but I enjoyed it so far! :-)

Regards,
Yann E. MORIN.

-- 
.-----------------.--------------------.------------------.--------------------.
|  Yann E. MORIN  | Real-Time Embedded | /"\ ASCII RIBBON | Erics' conspiracy: |
| +0/33 662376056 | Software  Designer | \ / CAMPAIGN     |  ___               |
| --==< ^_^ >==-- `------------.-------:  X  AGAINST      |  \e/  There is no  |
| http://ymorin.is-a-geek.org/ | _/*\_ | / \ HTML MAIL    |   v   conspiracy.  |
`------------------------------^-------^------------------^--------------------'



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Re: crosstool-NG: server status

[Joachim Nilsson]

Hmm,

[/me slowly catching up, again...]

about that mirror, how much space does it require?  I could perhaps set 
aside some space on ftp://vmlinux.org and an rsync cronjob if you need a 
mirror in Sweden.

We could take the details off-list, if you like.

Regards
  /Joachim

On 08/07/2009 12:48 AM, Yann E. MORIN wrote:
> Thomas,
> All,
>
> On Thursday 06 August 2009 23:49:06 Thomas Petazzoni wrote:
>    
>> What about hosting crosstool-ng on some free software forge, like
>> Savannah, Gna, or something else ? This way, you wouldn't have to spend
>> time on system/network administration-related issues.
>>      
> Well, that's part of the experiment! :-P
> And a challenging part, to say the least!
>
> I'd like to be able to be self-hosted, and delegate as less as possible.
> Currently, only DNS records are external (on dyndns), and will almost
> certainly stay that way for a long time... Andof course I need an ISP.
>
> The most obvious advantages are:
> - most important: I learn.
> - I'm dependent upon a very few external entities (only ISP and DNS)
> - I can customise/update the system at will (software versions...)
> - I can grant/veto access at will
> - I can run any server I wish (eg. VPN...)
>
> The most obvious drawbacks are:
> - availability, but I'm working on that:
>    - I have at least two physical machines able to host a copy of the server
>      in a virtual machine, should the real server has a fatal HW failure (as
>      is the case curently); starting a VM-server is a matter of seconds
>    - the server is backed up by a UPS that can sustain a two-hour power
>      outtage
>    - the machine has one 80GiB disk for the system, and two 500GiB disks,
>      one for storing live data, the other one will be acting as a /mirror/
>      that gets rsynced every hour, to serve as level-1 backups; both disks
>      use a file system different from one to the other
>    - OTOH, hot-swap HW is too expensive, so fixing the server would require
>      some downtime
> - backups, that's being worked on:
>    - I have an NSLU2 that I'll setup to do nightly backups onto a dedicated
>      500GiB HDD that will serve as level-2 backups
>    - I also have a tape drive to store long-term, level-3 backups
> - bandwidth: being behind a DSL line limits my uploads to about 1Mibps,
>    but that's bearable, crosstool-NG is not that big, and the hg protocol
>    is quite efficient
> - it's expensive and time-consuming, but I enjoyed it so far! :-)
>
> Regards,
> Yann E. MORIN.
>
>    


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Re: crosstool-NG: server status

[Oliver Schneider]

Hi,

I'd also offer some server space (several 100 MiB wouldn't be a problem 
at all). If the traffic is not more than a few dozen GiB every months I 
won't care.

// Oliver

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