Re: How to understand partition sizes

2007-06-05 Thread Lowell Gilbert
Ivan Carey [EMAIL PROTECTED] writes:

 Am I actually seeing what is really happening or am I really loosing
 43.5Gb of space on the /server partition

http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/disks.html#MANUFACTURER-DISK-SIZE
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Re: How to understand partition sizes

2007-06-05 Thread Jerry McAllister
On Tue, Jun 05, 2007 at 01:46:51PM +1000, Ivan Carey wrote:

 Hello,
 After installing a new system on a 500Gb HDD the partition size I 
 allocated at install does no match the size after complete system 
 installation

This is well covered in the FAQ and in numerous posts to this list.
Check the archives.   

jerry

 Disc size comes up as 476937MB
 
 At install I partitioned the disc:
 / 2048Mb
 /swap 4096Mb
 /var2048Mb
 /server   440Gb
 /usr13065Mb
 
 After install and checking the partition sizes with KDiskFree the 
 partitions are:
 /1.9Gb
 /var   1.9Gb
 /server   431.0Gb
 /usr   12.4Gb
 
 The /server is 9Gb smaller than I partitioned and the actual free space 
 without any files in the partition is shown as 396.5Gb which is another 
 34.5Gb smaller.
 
 Am I actually seeing what is really happening or am I really loosing 
 43.5Gb of space on the /server partition
 
 Thanks,
 Ivan
 
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How to understand partition sizes

2007-06-04 Thread Ivan Carey

Hello,
After installing a new system on a 500Gb HDD the partition size I 
allocated at install does no match the size after complete system 
installation

Disc size comes up as 476937MB

At install I partitioned the disc:
/ 2048Mb
/swap 4096Mb
/var2048Mb
/server   440Gb
/usr13065Mb

After install and checking the partition sizes with KDiskFree the 
partitions are:

/1.9Gb
/var   1.9Gb
/server   431.0Gb
/usr   12.4Gb

The /server is 9Gb smaller than I partitioned and the actual free space 
without any files in the partition is shown as 396.5Gb which is another 
34.5Gb smaller.


Am I actually seeing what is really happening or am I really loosing 
43.5Gb of space on the /server partition


Thanks,
Ivan

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Re: How to understand partition sizes

2007-06-04 Thread Olivier Nicole
 The /server is 9Gb smaller than I partitioned and the actual free space 
 without any files in the partition is shown as 396.5Gb which is another 
 34.5Gb smaller.

The number of disk sectors/blocks allocated to a partition at install
is reduced by the amount of space taken by the system to put file
system information (table of inodes, etc.) plus some percentage of
space kept for security reason (so the operating system can fill up
your partition by more than 100% in case of emergency).

Olivier
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Re: How to understand partition sizes

2007-06-04 Thread [EMAIL PROTECTED]

On 04/06/07, Olivier Nicole [EMAIL PROTECTED] wrote:

 The /server is 9Gb smaller than I partitioned and the actual free space
 without any files in the partition is shown as 396.5Gb which is another
 34.5Gb smaller.

The number of disk sectors/blocks allocated to a partition at install
is reduced by the amount of space taken by the system to put file
system information (table of inodes, etc.) plus some percentage of
space kept for security reason (so the operating system can fill up
your partition by more than 100% in case of emergency).


There is also the fact that your 500GB drive is
not actually 500GB.

I think there is even a FAQ entry about this.

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