[Gluster-users] linux flash filesystems and GlusterFS

[Apostolos Manolitzas]

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_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
>
>
>
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