Re: Sparc Ultra 10 and IDE harddrive sizes?

From: J.O. Aho (user_at_example.net)
Date: 11/13/05 

Date: Sun, 13 Nov 2005 09:46:40 +0100

Triffid wrote:
>
>
> Steve Sigman wrote:
>
>> Darren Dunham wrote:
>>
>>> Dave <nospam@nowhere.com> wrote:
>>>
>>>> Yes. I believe it is something close to 137 MB (don't ask me why
>>>> such an odd number).
>>>
>>>
>>>
>>> That would be 137GB, not MB.
>>>
>>> And 137 GB (10^30) ~ 128 GiB (2^30)
>>>
>>> $ echo 2^37 | bc
>>> 137438953472
>>>
>>>
>>>> I belive larger disks work, but you do not see the extra space.
>>>
>>>
>>>
>>> I haven't tried it. Someone was recently reporting problems with that
>>> (only seeing a small portion of a 160GB disk).
>>>
>>
>> I'm not sure about the IDE controller on the U10 but I recently
>> installed a 200GB drive in a blade 150 and it worked fine. Only the
>> first 137 GB was available but there have been no problems.
>>
>> Steve
>
> IME results depend entirely on the specific drive/controller combination.
>
> If the drive's total capacity is under the limit, you get to use it all.
> If it's over the limit, you might see 137GB/128GiB, or a *lot* less.
>
> In any situation where the controller does not see the full capacity of
> the drive, it is advisable to completely fill the available space with
> test files and verify them before committing any data you care about -
> or you might get a very nasty surprise later.

The problem is now solved with a 60GB hard drive, for some reason I can't boot
from CDrom (had to run tftp and boot that way), but when booted to the OS of
my choice I can access the CDrom without any major problems.
What caused me most problem was the Sunlable thing, reading the hard drive
documentation (on the manufacturers homepage), I got so many information on
different heads/sectors/cylinders that I didn't know what to do, but enetered
the values that fdisk sad that msdos table used and it seems to work.

 //Aho

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