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Re: change sector size in EXT3



I believe he's referring to the bytes-per-inode ratio (mke2fs -i 
<bytes-per-inode>). 

At any rate, it still holds that the only way to change it is to backup the 
data, rerun mke2fs, and restore the data. 

Thanks,
Jeremy

On Wednesday 09 August 2006 16:18, Christian wrote:
> On Wed, 9 Aug 2006, paulvarjak gmail com wrote:
> > The size of the partition is 1.5 Tb and the sector size is 32Mb. The
>
> hm, AFAIK ext3 is only aware of the "block-size" which can be 1024,
> 2048 or 4096 bytes per block. I'm not sure what this "32 Mb (Megabyte?
> Megabit?) sector size" might be...
>
> > I would like to change the sector size to 2Mb or 1Mb but I don't know if
> > it's possible to do it without loosing the data stored in the FS. I can
> > do
>
> If it's really the block-size you meant: no, it's not possible to change
> that without reformatting. The best you could do is to make a fresh
> backup, mkfs.ext3 with the right block-size, then play back the backups
> again.
>
> Christian.


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