Re: Question/Problem creating a live USB

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I meant to delete completely your drive again - and use plain FAT32 to
hold the maximum compatibility. If you use ext systems, use just plain
ext2 because journaling systems like ext3 and 4 can be a problem
(journaling rewrites to often the storage - and that shortens the
drive life). If the formatting fails (like you had just quick
formatted- that wipes only the data space, or it's just incomplete -
this is what I think that's happened) - it marks linux thats an unkown
FS, and windows couldn't handle this, or makes it broken. On third:
Don't forget, that flash drives has cache on most systems - so it's a
bit slower in writing out the data, and if you pull out earlier that
finishes the formatting or the writing - could be have bad data chunks
- what could result the same as I told you earlier. HTH.

Cheers,

Z

2011/1/1 JD <jd1008@xxxxxxxxx>:
> On 12/31/2010 10:45 PM, Zoltan Hoppar wrote:
>> Hi,
>>
>> You have to wipe it the complete USB key again. When the process has
>> fails, and finds some fragments - this is the result. Sometimes
>> happens.
>>
>> Cheers,
>>
>> Z
>> 2011/1/1 JD<jd1008@xxxxxxxxx>:
>>> Using liveusbcreator to dump a linux (not of any distro) iso image onto
>>> a 256GiB flash drive (Made by Kensignton).
>>>
>>> After selecting the linux ISO image, and setting the
>>> value of the persistent storage, I click Create Live USB.
>>> I get this error message:
>>>
>>> Unknown filesystem. Your device may need to be reformatted.
>>>
>>>
>>> The usb flash drive has partition 1 as a fat32 filesystem. It was
>>> rejected by liveusbcreator with same error message as above.
>>>
>>> So, I formatted it as a Ext3 filesystem. Got the same error message.
>>>
>>>
>>> Next I tried
>>> /usr/bin/livecd-iso-to-disk cd100627.iso /dev/sdc
>>>
>>> Verifying image...
>>> /sdb4/Download/OfflineNTpassword/BootCD/cd100627.iso: Could not get pvd data
>>> Unable to read the disc checksum from the primary volume descriptor.
>>> This probably means the disc was created without adding the checksum.Are
>>> you SURE you want to continue?
>>> Press Enter to continue or ctrl-c to abort
>>> I press enter, and it exits without creating the bootable usb.
>>>
>>> So, I tried to use windows and follow the iso creator's instructions to
>>> transfer the iso to flash disk. My winxp-sp3 does not recognize the
>>> drive. And when I try to format the drive, Âwindows says it was not
>>> able to format the drive.
>>>
>>> It is indeed strange that I can format it under Linux, and mount it
>>> and use it the ordinary way. But I cannot transfer the iso image to it.
>>>
>>> Any ideas what to do next?
>>>
>>> Thanx for your help.
>>>
>>>
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> I assume that by "wipe it" you mean that
> I should run the /usr/bin/wipe utility on it?
> I thought mkfs cleans it up sufficiently so that
> it is recognized as fat partition or an ext2 partition.
> Nevertheless, I will try your suggestion.
>
> Cheers,
>
> JD
> --
> users mailing list
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