Partition does not end on cylinder boundary

JD jd1008 at gmail.com
Sun Jun 5 00:59:25 UTC 2011


On 06/04/11 17:36, David wrote:
> On 5 June 2011 10:19, Aaron Konstam<akonstam at sbcglobal.net>  wrote:
>> On Sat, 2011-06-04 at 12:50 +0100, Timothy Murphy wrote:
>>> Does this matter?
>>> If so, what can you do about it?
>>> I get it after partitioning with fdisk,
>>> choosing partitions of size 50GB, etc.
>> It would be better if partition ends on a cylinder boundary but the
>> system will still work.
> I am curious about *how* specifically that "it would be better".
> In what situation is a end "cylinder boundary" important or relevant?
The filesystem builds it's map of blocks in groups
of cylinders.
You can see this clearly when you create a partition
which will use up the rest of the disk (ie, to end of disk).
often about 8mb always remains unused at end of disk
because it is not a complete cylinder.



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