[Bio-Linux] Fresh install - partitioning?

Raony Guimaraes Corrêa Do Carmo Lisboa Cardenas raonyguimaraes at gmail.com
Thu Oct 16 13:31:32 EDT 2014


This looks good!

https://www.icc-usa.com/raid-calculator/

_____________________________________________

Raony Guimarães Corrêa Do Carmo Lisboa Cardenas
PhD Student in Bioinformatics

email: raonyguimaraes at gmail.com
skype/gtalk: raonyguimaraes
phone: +55 31 93404152

Laboratory of Clinical Genomics
UFMG School of Medicine
Federal University of Minas Gerais - UFMG
Av. Prof. Alfredo Balena, 190, Sala 321
Belo Horizonte, Brazil 30130-100
_____________________________________________

On Thu, Oct 16, 2014 at 2:26 PM, Raony Guimaraes Corrêa Do Carmo Lisboa
Cardenas <raonyguimaraes at gmail.com> wrote:

> They make a bit a confusion between RAID 10 (1+0) and RAID 0+1 (Mirror of
> stripes).
> Main difference between RAID 10 vs RAID 01
>
>    - Performance on both RAID 10 and RAID 01 will be the same.
>    - ...
>    - So, given a choice between RAID 10 and RAID 01, always choose RAID
>    10.
>
> http://www.thegeekstuff.com/2011/10/raid10-vs-raid01/
>
> _____________________________________________
>
> Raony Guimarães Corrêa Do Carmo Lisboa Cardenas
> PhD Student in Bioinformatics
>
> email: raonyguimaraes at gmail.com
> skype/gtalk: raonyguimaraes
> phone: +55 31 93404152
>
> Laboratory of Clinical Genomics
> UFMG School of Medicine
> Federal University of Minas Gerais - UFMG
> Av. Prof. Alfredo Balena, 190, Sala 321
> Belo Horizonte, Brazil 30130-100
> _____________________________________________
>
> On Thu, Oct 16, 2014 at 12:33 PM, Bramwell, Jason (NCS) <
> Jason.Bramwell at defra.gsi.gov.uk> wrote:
>
>> Nice little tool but no RAID10 on there <sad face>
>>
>>
>>
>> Regards
>>
>> Jason Bramwell
>>
>>
>>
>> *From:* James Mategko [mailto:jm at iehinc.com]
>> *Sent:* 16 October 2014 16:31
>> *To:* bio-linux at nebclists.nerc.ac.uk
>> *Subject:* Re: [Bio-Linux] Fresh install - partitioning?
>>
>>
>>
>> Hi All,
>>
>>   The following calculator is very helpful when planning arrays:
>> http://www.raid-calculator.com/default.aspx
>>
>> I use RAID 5 most of the time since I tend to work with my datasets in
>> memory rather then write intermediate steps to disk. I'm planning on moving
>> to RAID 10 when larger capacity HP ProLiant compatible HDDs/SSDs come down
>> in price.
>>
>> Best Regards,
>> - James
>>
>> On 10/16/2014 7:08 AM, Raony Guimaraes Corrêa Do Carmo Lisboa Cardenas
>> wrote:
>>
>> You are not the first person who says about btrfs Tony. Thank you, I will
>> definitely give a try on the next few weeks on this.
>>
>> I will also benchmark read/write speeds with 4 disks in raid 10 against 2
>> disks in raid 0.
>>
>> I will leave my /swap in ext4 for now since I barely used it.
>>
>> Kind regards!
>>
>>
>> _____________________________________________
>>
>> Raony Guimarães Corrêa Do Carmo Lisboa Cardenas
>> PhD Student in Bioinformatics
>>
>> email: raonyguimaraes at gmail.com
>> skype/gtalk: raonyguimaraes
>> phone: +55 31 93404152
>>
>>
>>
>> Laboratory of Clinical Genomics
>> UFMG School of Medicine
>>
>> Federal University of Minas Gerais - UFMG
>> Av. Prof. Alfredo Balena, 190, Sala 321
>> Belo Horizonte, Brazil 30130-100
>> _____________________________________________
>>
>>
>>
>> On Thu, Oct 16, 2014 at 10:53 AM, Tony Travis <tony.travis at abdn.ac.uk>
>> wrote:
>>
>> On 16/10/14 14:04, Raony Guimaraes Corrêa Do Carmo Lisboa Cardenas wrote:
>> > Hello All!
>> >
>> > I'm using Biolinux (first 7 and now 8) in a Poweredge T710 for almost
>> > 3.5 years already. I like it's performance a lot!
>> >
>> > I have 2 disks of 3TB in Raid-0 where i run Biolinux 8, Postgresql 9.4
>> > and all the other things I need running really fast!
>> > [...]
>>
>> Hi, Raony.
>>
>> RAID0 is quite risky because if *any* of your disk fail you will lose
>> everything!
>>
>> I would use RAID10 instead or use two of your disks in RAID1 and backup
>> onto the third single disk. Disk capacity is important, of course, but
>> you risk losing everything unless you are backing up your RAID0 onto
>> external or network disks.
>>
>> If you *really* want to live dangerously, you might try out Btrfs!
>>
>> I'm running Bio-Linux 8 on an 8-disk Btrfs RAID10 on my personal
>> Bio-Linux workstation and it performs very well. I've been doing
>> disaster-recovery testing and it all seems to work very well. The only
>> real problem is that you can't swap on a Btrfs filesystem, but you can
>> mount a file on a loop device and swap on that instead.
>>
>> I think Btrfs is the future :-)
>>
>> Bye,
>>
>>
>>   Tony.
>>
>> --
>> Dr. A.J.Travis, University of Aberdeen, Institute of Biological and
>> Environmental Sciences, Cruickshank Building, St. Machar Drive, Aberdeen
>> AB24 3UU, Scotland, UK. tel +44(0)1224 272700, fax +44 (0)1224 272 396
>> http://www.abdn.ac.uk, mailto:tony.travis at abdn.ac.uk, skype:ajtravis
>>
>>
>> The University of Aberdeen is a charity registered in Scotland, No
>> SC013683.
>> Tha Oilthigh Obar Dheathain na charthannas clàraichte ann an Alba, Àir.
>> SC013683.
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>>
>>
>>
>>
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>>
>>
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