On 09.12.2013 16:28, Phillip Susi wrote: > On 10/23/2013 9:49 PM, Vladimir 'φ-coder/phcoder' Serbinenko wrote: >> partmap module is size-critical and CRC32 verification is pretty >> big. There are 3 problems with backup header: > > The grub core no longer fits in 63 sectors in all but the most trivial > configurations as it is, Not true. I've checked: all configs not involving compressed fs or diskfilter fit in 31K. > and a 2048 sector embed area has been > standard now for several years, so I don't think size is a problem. > We're speaking abut GPT, nothing to do with MBR embed area.
My problem with that is that it increases complexity a lot in currently simple code. And also I had experience with backup header out of place due to disk reconfiguration and primary header corrupted but still well enough to have valid partitions. I could boot this system by using "gpt" linux option. With proposed changes this system would become unbootable.
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