bill142
Posts: 7853
Joined: Wed Aug 04, 2004 1:50 pm

Ipod Partitioning

Mon Oct 08, 2007 11:20 am

I know there are tons of ipod threads on anet and I really couldn't be bothered to search them all. I did however try to use google to solve my problem but with no success.

I bought an 80gb ipod classic the other day. succumbing and conforming to the ipod craze. When I connected it, I noticed it said 74.3gb avaliable. Now I know hard drives etc usually have a small amount of space unavailable but I've never seen something that's stopped me using 5.7gb before! So what is it for and how can I get it back? it seems a bit excessive to me to be some kind of buffer.
 
Klaus
Posts: 20578
Joined: Wed Jul 11, 2001 7:41 am

RE: Ipod Partitioning

Mon Oct 08, 2007 11:45 am

Harddisk sizes are generally indicated in millions (or billions) of bytes, not in binary "megabytes" (2^20=1024*1024=1048576) or "gigabytes" (2^30=1024*1024*1024=1073741824).

80000000000 bytes are indeed just 74.5 "gigabytes" in binary notation. With the iPod firmware and other overhead accounting for the rest.

It's the same with other harddisks. The manufacturers always use the "bigger sounding" of the two metrics, operating systems or applications often use the other.
 
aloges
Posts: 14842
Joined: Tue Jan 17, 2006 3:38 am

RE: Ipod Partitioning

Mon Oct 08, 2007 11:59 am

Quoting Klaus (Reply 1):
operating systems or applications often use the other.

Do you know of an example that doesn't?  confused 
Don't cry because it's over, smile because it happened.
 
gkirk
Posts: 23345
Joined: Thu Jun 15, 2000 3:29 am

RE: Ipod Partitioning

Mon Oct 08, 2007 12:16 pm

Should have got yerself a decent MP3 player instead of an Ipod  Wink
When you hear the noise of the Tartan Army Boys, we'll be coming down the road!
 
aloges
Posts: 14842
Joined: Tue Jan 17, 2006 3:38 am

RE: Ipod Partitioning

Mon Oct 08, 2007 12:28 pm

Quoting Gkirk (Reply 3):
Should have got yerself a decent MP3 player instead of an Ipod

He could have hired you as his personal music player... bits and crumbs come almost cheaper than electricity these days and those are all you'll ever need! Mind you, bagpipes do get boring after a while.
Don't cry because it's over, smile because it happened.
 
Klaus
Posts: 20578
Joined: Wed Jul 11, 2001 7:41 am

RE: Ipod Partitioning

Mon Oct 08, 2007 1:12 pm

Quoting Aloges (Reply 2):
Do you know of an example that doesn't?

I didn't bother to check.

Quoting Gkirk (Reply 3):
Should have got yerself a decent MP3 player instead of an Ipod

It would quite probably use the exact same harddisk type from the same manufacturer.
 
bagpiper
Posts: 1050
Joined: Mon Nov 13, 2006 11:24 pm

RE: Ipod Partitioning

Mon Oct 08, 2007 1:45 pm

Quoting Aloges (Reply 4):
Mind you, bagpipes do get boring after a while.

I thought this one was cool:

 
Go3Team
Posts: 3156
Joined: Sun Mar 14, 2004 1:19 am

RE: Ipod Partitioning

Mon Oct 08, 2007 3:44 pm

Quoting Klaus (Reply 1):
80000000000 bytes are indeed just 74.5 "gigabytes" in binary notation.

Bingo. I love going thru the reviews of hard drives, and seeing the ones of people who complain that their hard drive doesn't have the space it advertised. It must be the thing to do, as it seems all hard drive manufacturers do this.
Yay Pudding!
 
Klaus
Posts: 20578
Joined: Wed Jul 11, 2001 7:41 am

RE: Ipod Partitioning

Mon Oct 08, 2007 3:52 pm

Quoting Go3Team (Reply 7):
Bingo. I love going thru the reviews of hard drives, and seeing the ones of people who complain that their hard drive doesn't have the space it advertised. It must be the thing to do, as it seems all hard drive manufacturers do this.

As far as I know they all do indeed.

And I agree that it's ultimately deceptive advertising, since the metric most people are acqainted to is the primary one used by the operating system telling them how much space there still is or how much space a file occupies. Advertising harddisks with the numbers "which sound bigger" is more than just a little dubious...  yuck 
 
Goldenshield
Posts: 5005
Joined: Sun Jan 14, 2001 3:45 pm

RE: Ipod Partitioning

Wed Oct 10, 2007 9:30 am

Let's not forget that the MBR, boot sectors, and the various FATs eat space, too.
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