Gluster users - Apr 2014 - linux flash filesystems and GlusterFS

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_filesystems>
and jffs2
<http://en.wikipedia.org/wiki/Flash_file_system#Linux_flash_filesystems>
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

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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_filesystems>
and
> jffs2
<http://en.wikipedia.org/wiki/Flash_file_system#Linux_flash_filesystems>
> 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