Disk partitioning miscellanea: Difference between revisions
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(Created page with "== GPT is cool == For '''<code>grub</code>''' to boot a non-EFI machine from an GPT-partitioned disk, leave a gap between sector 0 and the first partition. Starting the first pa…") |
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Revision as of 21:16, 12 July 2012
GPT is cool
For grub to boot a non-EFI machine from an GPT-partitioned disk, leave a gap between sector 0 and the first partition. Starting the first partition at sector 2048 accomplishes this nicely.
EFI machines will of course need an EFI boot partition, too. A bit annoying.
MD software RAID offsets
12kibytes are used by the MD metadata. If you want a RAID-1 MD device with a capacity of 1Gibyte, create the partitions with 2097176 sectors.