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 Forum index » Off-Topic Area » Programming
Q: How come "probepart" shows partitions to be 2X size?
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sunburnt


Joined: 08 Jun 2005
Posts: 4006
Location: Arizona, U.S.A.
PostPosted: Sun 28 Mar 2010, 16:01    Post subject:  Q: How come "probepart" shows partitions to be 2X size?  
Subject says it...
Just a thought I had, not really critical. Cool
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8-bit


Joined: 03 Apr 2007
Posts: 3013
Location: Oregon
PostPosted: Sun 28 Mar 2010, 16:30    Post subject:  
I just tried it from a terminal and I see what you mean.
But here is an interesting thing.
If you instead of "probepart", type "probepart --help" you do not get help.
Instead, you get probepart displaying the correct size values!
Go figure.
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DMcCunney

Joined: 02 Feb 2009
Posts: 894
PostPosted: Sun 28 Mar 2010, 16:40    Post subject: Re: Q: How come "probepart" shows partitions to be 2X size?  
sunburnt wrote:
Subject says it...
Just a thought I had, not really critical. Cool

Hmmm. I see 8-bit's results. Looks like it's using two different standard unit sizes, depending on whether you run it with or without an argument. (And it doesn't seem to matter what the argument is.)

Update: It's a script in /sbin, and takes -k or -m as parameters.
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Dennis
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8-bit


Joined: 03 Apr 2007
Posts: 3013
Location: Oregon
PostPosted: Sun 28 Mar 2010, 16:51    Post subject:  
Thank you! I assume the -k parameter is for displaying value as kilobytes and the -m parameter is for displaying megabytes.
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DMcCunney

Joined: 02 Feb 2009
Posts: 894
PostPosted: Sun 28 Mar 2010, 17:42    Post subject:  
8-bit wrote:
Thank you! I assume the -k parameter is for displaying value as kilobytes and the -m parameter is for displaying megabytes.

Correct. I haven't tried to analyze it to see what it defaults to if a parm isn't provided. Offhand, I'd guess it defaults to 512 bytes, which would be the disk block size.
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Dennis
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technosaurus


Joined: 18 May 2008
Posts: 3843
PostPosted: Sun 28 Mar 2010, 19:37    Post subject:  
block size is set to 512 maybe it should be 1024?
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DMcCunney

Joined: 02 Feb 2009
Posts: 894
PostPosted: Sun 28 Mar 2010, 21:14    Post subject:  
technosaurus wrote:
block size is set to 512 maybe it should be 1024?

You mean, set the default value to 1,024?

I can see the value in having it report in disk block sizes, but it ought to state what unit size it's using. And it ought to return a meaningful usage message in response to a -h parameter.
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Dennis
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