Re: format on SD card?

From	"Carlos E.R." <robin_listas@es.invalid>
Newsgroups	comp.mobile.android
Subject	Re: format on SD card?
Date	2018-10-31 22:56 +0100
Message-ID	<81lpaf-tpc.ln1@Telcontar.valinor> (permalink)
References	<eli$1810311523@qaz.wtf> <BaCdnevkwaailUfGnZ2dnUU78Q3NnZ2d@brightview.co.uk>

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On 31/10/2018 20.52, NY wrote:
> "Eli the Bearded" <*@eli.users.panix.com> wrote in message
> news:eli$1810311523@qaz.wtf...
>> I put an SD card into one of my android devices (6.0) and let the
>> system format it as native or whatever the system calls it. This
>> worked fine.
>>
>> Later I shut the device down, pulled the SD card out and tried to
>> mount it on Linux. Surprise, the format isn't recognized out of the
>> box and 'file -s' isn't giving me hints about the filesystem type.
>> Can I mount this? What should I be installing?
>>
>> At the same time, I used dd[*] to copy the SD card to a new one of the
>> same size. I put the new one in the device and restarted, and found
>> that Android decided it was a blank disk and reformatted it. How can
>> I duplicate a SD card so that Android is happy with the copy?
>>
>> [*] dd if=/dev/sdb of=/dev/sdc bs=16k iflag=fullblock conf=noerror \
>> count=$COUNT
>>    where $COUNT is how many 16k blocks fit in 64 gigs.
>>
>> This whole exercise was prompted by the original SD card starting to
>> give me errors.
> 
> My phone (Samsung Galaxy S7) formats its cards as exFAT, and I have
> successfully copied a failing card to my Windows PC's hard disk and then
> from there to a new card.
> 
> I wonder if your Linux box doesn't have the add-on installed that gives
> exFAT compatibility.

The "file" command should still recognize and print the information
about the type, unless the version is too old - I think.

More likely nospam is correct about it being "adoptable" or "as internal
storage".

-- 
Cheers, Carlos.

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format on SD card? Eli the Bearded <*@eli.users.panix.com> - 2018-10-31 19:34 +0000
  Re: format on SD card? nospam <nospam@nospam.invalid> - 2018-10-31 15:52 -0400
    Re: format on SD card? Eli the Bearded <*@eli.users.panix.com> - 2018-10-31 20:51 +0000
      Re: format on SD card? nospam <nospam@nospam.invalid> - 2018-10-31 16:59 -0400
        Re: format on SD card? "Carlos E.R." <robin_listas@es.invalid> - 2018-10-31 22:53 +0100
    Re: format on SD card? "Carlos E.R." <robin_listas@es.invalid> - 2018-10-31 22:59 +0100
  Re: format on SD card? "NY" <me@privacy.net> - 2018-10-31 19:52 +0000
    Re: format on SD card? "Carlos E.R." <robin_listas@es.invalid> - 2018-10-31 22:56 +0100

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