Re: Available space loss due to fragmentation?

[Richard Weinberger <richard@xxxxxx>]

Ben,

----- Ursprüngliche Mail -----
> Von: "Ben Schroeder" <klowd92@xxxxxxxxx>
> An: "Richard Weinberger" <richard.weinberger@xxxxxxxxx>
> CC: "linux-mtd" <linux-mtd@xxxxxxxxxxxxxxxxxxx>
> Gesendet: Donnerstag, 11. Juli 2019 17:53:53
> Betreff: Re: Available space loss due to fragmentation?

> On Thu, Jul 11, 2019 at 1:16 PM Richard Weinberger
> <richard.weinberger@xxxxxxxxx> wrote:
>>
>> On Wed, Jul 10, 2019 at 5:18 PM Ben Schroeder <klowd92@xxxxxxxxx> wrote:
>> > Thanks for the reply Richard.
>> > I just wanted to reiterate that i am using SPI NOR Flash, partitioned
>> > in an A/B scheme as so:
>>
>> Hmmm.
>> Did you create the rootfs using mkfs.ubifs with a different
>> compression than used
>> by the kernel?
> mkfs.ubifs -r /tmp/rootfs -m 1 -e 0xFF80 -c 1024 -o data.ubifs
> (I believe standard compression is used, lzo?)

To be honest, I'm not entirely sure what problem you are facing.

Can you please give these two approaches a try?
1. Create the filesystem with no compression and mount ubifs without compression,
to rule out compression related issues.
2. Try a (much) larger log size, you can specify it at mkfs.ubifs time.

Thanks,
//richard

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