Re: Super weird dd problem.

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On Mon, Jun 10, 2013 at 5:18 AM, Anatol Pomozov
<anatol.pomozov@xxxxxxxxx> wrote:
> Hi
>
>
> On Sun, Jun 9, 2013 at 5:53 PM, Pedro Emílio Machado de Brito <
> pedroembrito@xxxxxxxxx> wrote:
>
>> 2013/6/9 Alfredo Palhares <masterkorp@xxxxxxxxxxxxxx>:
>> > Hello,
>> >
>> > So I was creating a archlinux usb bootable drive:
>> >
>> > [root@masterkorp-laptop Downloads]# dd bs=4M
>> if=archlinux-2013.06.01-dual.iso of=/dev/sdb
>> > 130+1 records in
>> > 130+1 records out
>> > 548405248 bytes (548 MB) copied, 0.964976 s, 568 MB/s
>> >
>> > I was like WOW, this was too fast! But nothing ever gets written to
>> > the pen drive.
>> > To add to the weird factor, a dd to dev/sdb1 (partition) works as it
>> > should, slowly. But then ofcourse the iso gets unbootable.
>> >
>> > The md5sum on the iso is correct.
>> > I tried with diferent pen drives.
>> >
>> > Please, any suggestions is welcome.†mo
>> >
>>
>> I've been having this sort of problems with removable storage lately
>> (copying multiple GBs of songs in a few seconds, except not really).
>> The workaround I found out is to run the sync command after copying.
>>
>
> "sync" is not a workaround, it is a right solution.

I see masterkorp decided to ask on the ML too.
According to https://bbs.archlinux.org/viewtopic.php?pid=1285836#p1285836
, 'sync' doesn't fix it.
Unless we have some kind of misunderstanding, this indeed is weird.


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