Re: Ext2/3 Filesystem Analysis

From: Andi Kleen
Date: Wed Jun 09 2010 - 08:07:21 EST

Alan Cox <alan@xxxxxxxxxxxxxxxxxxx> writes:

>> With Ext3:
>> Filesystem block at Sector 0 is being updated more frequently at ratio
>> of 5.5 to 6 times that of data block.
>> Filesystem block(super block copies) are being updated at around
>> 1.5times the frequency compared to data block.
>> Has anyone come across this kind of behaviour with these filesystems
>> on NAND Flash?
> ext2/3 are not intended to be used with flash - they do not wear level,

Or rather not intended to be used with flash that does not have
an own wear level layer.

ak@xxxxxxxxxxxxxxx -- Speaking for myself only.
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