Kernelnewbies Digest, Vol 77, Issue 7

Tue Apr 11 22:30:27 EDT 2017

HI,

I have signed up for the eudyptula challenge to start off.

How exactly do i start to contribute to linux community, i.e fix bug, etc

Thanks

On 4/12/2017 12:00 AM, kernelnewbies-request at kernelnewbies.org wrote:
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> Today's Topics:
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>     1. Re: Welcome to the "Kernelnewbies" mailing list
>        (juan pedro meri?o)
>     2. Re: Welcome to the "Kernelnewbies" mailing list (Lino Sanfilippo)
>     3. Btrfs Questions for Personal Data Archive (nick)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Mon, 10 Apr 2017 19:10:46 -0500
> From: juan pedro meri?o <juapdiaz at gmail.com>
> Subject: Re: Welcome to the "Kernelnewbies" mailing list
> To: kernelnewbies at kernelnewbies.org
> Message-ID:
> 	<CAC8C0kTRaN9jnk72K26YB8ZRBcnBbirGXE6NYL-stfv1vYc5Gg at mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Hi!
>
> I have been looking at versions 1,2,3 and 4 of the linux kernel. I would
> like to know what are the programs for the kernel development environment.
> To test them and add new features.
>
> Thank you very much!
>
> On Mon, Apr 10, 2017 at 7:05 PM, <kernelnewbies-request at kernelnewbies.org>
> wrote:
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> ------------------------------
>
> Message: 2
> Date: Tue, 11 Apr 2017 02:50:06 +0200
> From: Lino Sanfilippo <LinoSanfilippo at gmx.de>
> Subject: Re: Welcome to the "Kernelnewbies" mailing list
> To: juan pedro meri?o <juapdiaz at gmail.com>,
> 	kernelnewbies at kernelnewbies.org
> Message-ID: <c7e19f68-560a-ffc3-3282-3eb0b0edbfc5 at gmx.de>
> Content-Type: text/plain; charset=windows-1252
>
> Hi,
>
> On 11.04.2017 02:10, juan pedro meri?o wrote:
>> Hi!
>>
>> I have been looking at versions 1,2,3 and 4 of the linux kernel. I would
>> like to know what are the programs for the kernel development environment.
>> To test them and add new features.
>>
>> Thank you very much!
> Please take a look at this site:
>
> https://www.kernel.org/doc/html/latest/dev-tools/index.html
>
> I suggest that you also take a look at the eudyptula challenge:
> http://eudyptula-challenge.org/
>
>
>>> You must know your password to change your options (including changing
>>> the password, itself) or to unsubscribe.  It is:
>>>
>>>    juanpepe
>>>
> Did you notice that you have just made your password public to the whole world?
>
> Regards,
> Lino
>
>
>
>
> ------------------------------
>
> Message: 3
> Date: Mon, 10 Apr 2017 23:28:31 -0400
> From: nick <xerofoify at gmail.com>
> Subject: Btrfs Questions for Personal Data Archive
> To: kernelnewbies <kernelnewbies at kernelnewbies.org>
> Message-ID: <7f1cf364-648f-69d2-b859-cd965d5552bd at gmail.com>
> Content-Type: text/plain; charset=utf-8
>
> Greetings All,
> I am assuming this is coming from me it's just going to get  no reply. However if someone
> who works on btrfs is willing to reply to this I have a few questions. Firstly I have a
> lot of personal storage for archiving various things probably around ~37TB filled currently
> in external drives and estimate the archive to grow to around ~300 to 400 TB. All of
> these numbers are unformatted for people's information. I have been using btrfs but
> need to ask a few questions for how to create a central archive best:
>
> 1.Does the compression algorithms used as according to my knowledge they don't do
> it well enough to enable it for non text files? What are the performance disadvantages
> from a IO perspective(I can Google this but I want numbers from someone who works
> in a data center)? This is primary due to the central archive needing to be used
> for many different systems at a time. I assume around 3-4 on average maybe more
> including during a rebuild. Some of it is also hit bit rate encodes I have done
> for bluray which are around 10-22mbps per second and may need to be watched during
> a raid rebuild. GPU processing will be client side so don't worry about that.
>
> 2. Same as above but for software raid versus hardware raid in btrfs.I am stressing
> rebuild time here on a raid 5/6. Probably going to use raid 60 as that gives me
> a mirror plus two drives failure for redundancy.
>
> 3. I have found very little information on this but does the metadata being on a SSD
> actually help with performance? Very little information exist off the wiki for this.
> I literally goggled for a few hours and found very little even in terms of papers.
>
> Further more the archive is going to be on external hard drives for a while, as hard
> drives are not big enough. If people want more information or have advice on how
> to scale this out that would be very helpful. Generally I am looking for information
> related to btrfs.
>
> If anyone replies huge thanks,
> Nick
> P.S. If anyone tells me to send my questions to the btrfs list I did some stupid things and
> was banned from vger so I am just sending it here for now.
>
>
>
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> End of Kernelnewbies Digest, Vol 77, Issue 7
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