[Gluster-users] linux flash filesystems and GlusterFS

[Carlos Capriotti]

We had a thread not too long ago about this and it turns out tmpfs DOES
support extended attributes, which is good for gluster :)

Might be a good proof of concept.




On Thu, Apr 10, 2014 at 4:16 PM, Prasad, Nirmal <nprasad at idirect.net> wrote:

> Apostolos ,
>
> Without knowing the true nature of the problem you wish to solve --  if
> you are looking to take a few embedded machines and build some kind of
> replicated distributed storage with gluster - the use of raw flash I don't
> quite understand -- you could use ramdisks on the targets and get speed,
> reliability and avoid component fatigue.
>
> https://lists.gnu.org/archive/html/gluster-devel/2013-05/msg00118.html
>
> -Nirmal
>
> -----Original Message-----
> From: gluster-users-bounces at gluster.org [mailto:
> gluster-users-bounces at gluster.org] On Behalf Of Apostolos Manolitzas
> Sent: Thursday, April 10, 2014 10:07 AM
> To: Ric Wheeler; gluster-users at gluster.org
> Subject: Re: [Gluster-users] linux flash filesystems and GlusterFS
>
> On 04/10/2014 03:16 PM, Ric Wheeler wrote:
> > On 04/02/2014 03:40 AM, Apostolos Manolitzas wrote:
> >> Hello all,
> >>
> >> I just discovered the GlusterFS while looking for a solution for high
> >> availability on our NAND flashes. We use ubifs
> >> <http://en.wikipedia.org/wiki/Flash_file_system#Linux_flash_filesyste
> >> ms>
> >> and jffs2
> >> <http://en.wikipedia.org/wiki/Flash_file_system#Linux_flash_filesyste
> >> ms> for filesystem and we would like to apply some high availability
> >> strategy to a part of the flash. So has anyone tested GlusterFS with
> >> this setup? Is it a viable solution or should we move to an upper
> >> layer solution?
> >>
> >> thanks for any opinion,
> >>
> >> -Apostolos
> >
> > I always start by asking what type of flash are you using - if you are
> > using PCI-e flash devices or S-ATA/SAS flash, there is no real reason
> > to use UBIFS or JFFS2 since the parts do wear levelling and so on
> > internally.
> >
> > For example, Google uses ext4 as their default file system for Android
> > phones and tablets.
> >
> > I don't know of anyone running gluster on raw flash backed file
> > systems (i.e., embedded systems) but that might be fun to try :)
> >
> > Ric
> >
> >
> >
> Hello,
>
> unfortunately we "live" in an embedded world with no parts to do the wear
> leveling, so we were forced to use the UBI-FS.
>
> Thanks for the answer, I think we have to do some tests in order to have a
> clear view.
>
> -Apostolos
>
>
>
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