[raspberry-vi] Re: Larger memory cards, a request
- From: Mobeen Iqbal <mobeeniqbal@xxxxxxxxx>
- To: raspberry-vi@xxxxxxxxxxxxx
- Date: Wed, 08 Jan 2014 23:27:27 +0000
hello mike. If noone else responds, i can hopefully get you the output
from a 32GB card by friday. I should hopefully have 1 tomorrow or friday
so as soon as i have it i'll write an image and let you know assuming
noone else replies. does that tablet you bought not have a larger card
in it?
Mo.
On 08/01/2014 22:13, Mike Ray wrote:
> Hello list,
>
> I don't have any SD cards bigger than 8GB.
>
> I need to get a sample of the 'parted' output for larger cards.
>
> This is because I want to write a new version of the expand-rootfs
> script which expands the file-system to within 10 megabytes of the end
> of the card but not right up to it.
>
> On my 8GB cards this is the output of:
>
> parted -s -m /dev/sdc -- print
>
> BYT;
> /dev/sdc:7960MB:scsi:512:512:msdos:Multiple Card Reader:;
> 1:1049kB:95.4MB:94.4MB:fat16::lba;
> 2:95.4MB:1878MB:1783MB:::;
> 5:96.5MB:1878MB:1782MB:ext4::;
>
> (the -m switch produces machine parseable output).
>
> I need particularly to know if, for larger cards, does the second field
> of the second line read differently. Does it show 'GB' instead of 'MB'.
> On the above it is:
>
> 7960MB
>
> The reason for this is that when the root file-system is expanded to the
> very end of a card, backing up the card to a .img file and then writing
> it back to a card sometimes does not correctly reproduce the far
> boundary of the file-system and backups become useless.
>
> I need to parse the output above with Perl and calculate where to end
> the file-system expansion.
>
> So if somebody has, for example a 32GB card, can they please paste the
> output of 'parted -m' in an email.
>
> Thanks.
>
> Mike
>
>
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