Kai Krakow posted on Mon, 15 May 2017 21:12:06 +0200 as excerpted: > Am Mon, 15 May 2017 14:09:20 +0100 > schrieb Tomasz Kusmierz <tom.kusmi...@gmail.com>: >> >> Not true. When HDD uses 10% (10% is just for easy example) of space >> as spare than aligment on disk is (US - used sector, SS - spare >> sector, BS - bad sector) >> >> US US US US US US US US US SS >> US US US US US US US US US SS >> US US US US US US US US US SS >> US US US US US US US US US SS >> US US US US US US US US US SS >> US US US US US US US US US SS >> US US US US US US US US US SS >> >> if failure occurs - drive actually shifts sectors up: >> >> US US US US US US US US US SS >> US US US BS BS BS US US US US >> US US US US US US US US US US >> US US US US US US US US US US >> US US US US US US US US US SS >> US US US BS US US US US US US >> US US US US US US US US US SS >> US US US US US US US US US SS > > This makes sense... Reserve area somehow implies it is continuous and > as such located at one far end of the platter. But your image totally > makes sense.
Thanks Tomasz. It makes a lot of sense indeed, and had I thought about it I think I already "knew" it, but I simply hadn't stopped to think about it that hard, so you disabused me of the vague idea of spares all at one end of the disk, too. =:^) -- Duncan - List replies preferred. No HTML msgs. "Every nonfree program has a lord, a master -- and if you use the program, he is your master." Richard Stallman -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html