[ydl-gen] USB Drive
Derick Centeno
aguilarojo at verizon.net
Sun Jan 22 20:02:10 MST 2006
Hi Rev:
I think I mentioned elsewhere that Linux can only read hfs+ and
read/write hfs.
Refer to:
http://www.terrasoftsolutions.com/support/solutions/ydl_general/usb-
device.shtml
pdisk is tricky; you have to learn to think as it does where each
sector is 512K blocks. Also what it refers to as length is the where
the mount point begins from one sector to another. Also you have to
remember to convert from blocks to MGs and Gigs. Of course, the
computer can display this automatically, but you won't understand it
unless you comprehend the calculations behind the lablels (and why
those values are either correct or not). Indeed, understanding the
nuances better enables you to partition your drive more efficiently as
well. You can download the manual for YDL 4.0 and YDL 3.0/3.0.1 which
discusses a bit about it. Read as much as you can:
http://www.terrasoftsolutions.com/support/installation/
Unfortunately all any OS X or OS 9 (or any other Apple utility) can do
is erase and format the drive either in hfs or free format. pdisk and
another application -- called parted -- I believe -- can create the
ext3 file format Linux understands. pdisk can write over hfs or free
format. pdisk can read and write to hfs, but there is little
usefulness in that as most work will be done in Linux eventually.
In other words, no Apple utility can create or read ext3 file format
which Linux uses. You will just have to dive into Linux and "let go"
of Apple utilities. It can be done.... trust the Force, Rev. :)
Best wishes...
On Jan 22, 2006, at 7:59 PM, rev rob wrote:
> Thanks again, Derick.
> The move to 4.0 went well on the iMac 233. Granted it took a
> little bit of time with the speed of the processor and all. But all in
> all, very smooth. Can't get the screen centered though, it's a little
> too far left.
> I tried to mount the usb drive like this after making the folder sam
>
> mount /dev/sda1 hfsplus /mnt/sam
> and
> mount -t hfsplus /dev/sda1 /mnt/sam
>
> neither worked. It said hfsplus was not supported by the kernel.
>
> Also I tried pdisk. It seems like a nice app but I don't know about
> block and length settings.
> So I reformatted the using os x as Mac os extended (not journeled).
> Hey just a thought but can use disk utility to format the drive to
> something ydl will be able to mount? Also, I have a machine running
> OS9, could I do something with Drive Setup?
> Thanks
> rob
> On 1/22/06, Derick Centeno <aguilarojo at verizon.net> wrote:
>> Hi rev:
>> Unfortunately moving up to YDL 4 will not be so simple with the
>> hardware you have. You will have to change your BootX settings
>> specifically for YDL 4; it may be best to follow the instructions
>> discussed here:
>>
>> http://yellowdog-board.com/viewtopic.php?t=249
>>
>> You can also go to to this link on Google for other topics related to
>> this problem:
>>
>> http://www.google.com/search?q=BootX%2C+YDL+4.0&start=0&ie=utf
>> -8&oe=utf-8&client=firefox-a&rls=org.mozilla:en-US:official
>>
>> Best wishes....
>>
>> On Jan 21, 2006, at 6:31 PM, rev rob wrote:
>>
>>> THANK YOU so much for your help and time.
>>> i tried:
>>> tail -f /var/log/messages
>>> and it seems my kernel doesn't support usb devices. So I'm
>>> downloading
>>> the iso's for ydl 4.0.
>>> I'll try that and keep you informed on my progress.
>>> Again thanks so much
>>> rob
>>>
>>> On 1/21/06, Derick Centeno <aguilarojo at verizon.net> wrote:
>>>> Hi rev:
>>>> I'll assume you read and had no trouble understanding the previous
>>>> links I recommended to you. From there once your drive is mounted
>>>> all
>>>> you need to do is use pdisk to wipe out/erase your USB drive so that
>>>> it
>>>> is formated for use as a LInux drive. That's it, of course you are
>>>> clear that you'll have to set mount points for the USB drive, a name
>>>> and create a directory within /mnt using that same name. So let's
>>>> say
>>>> the name you choose is charles. Then:
>>>>
>>>> # cd /mnt
>>>> # mkdir charles
>>>>
>>>> From then on when you mount that drive you can do:
>>>>
>>>> # mount /mnt/charles
>>>>
>>>> and that should be it.
>>>>
>>>> Best wishes...
>>>>
>>>> On Jan 21, 2006, at 2:32 PM, rev rob wrote:
>>>>
>>>>> Hi again and special thanks to Derick,
>>>>> I'm running YDL 3.01 on my iMac 233 with kernel 2.4.22. I want to
>>>>> an
>>>>> external usb drive I have for more storage since the internal iMac
>>>>> drive is only 4.3G. The drive has some things on it from os x that
>>>>> I
>>>>> know longer need. What do I have to do make this USB drive work
>>>>> with
>>>>> my linux box?
>>>>> TIA and have a great day
>>>>> Rob
>>>>> _______________________________________________
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>>>>>
>>>>
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>>
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