DragonFly kernel List (threaded) for 2008-08
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Re: Hammer bootloader
Hi Matt,
On Monday 25 August 2008 17:39, Matthew Dillon wrote:
> The main issue is making room for boot0/boot1/boot2. 32 bit disklabels
> overload the disklabel and boot storage with 'sector 0', so partitions
> starting at 'sector 0' have an overlap issue.
>
> UFS takes care of this by not writing anything into the first 8K of
> its partition.
>
> HAMMER doesn't do this. HAMMER writes to the first 8K of its
> partition.
Is there any reason not to avoid writing in the first 8K? Ext2 on
Linux for example leaves the first 4K free, and I intend to do the
same, just to leave space for a boot block in case somebody needs it.
Regards,
Daniel
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