On Sun, Aug 26, 2012 at 12:22:47AM +0200, Volker Armin Hemmann wrote: > > > The size of an erasable block of SSDs is even larger, usually 512K, it > > > would be best to align to that, too. A partition offset of 512K or 1M > > > would avoid this. > > > > Unless the filesystem knows this and starts bigger files at those 512 k > > boundaries (so really only one erase cycle is needed for files <=512 k), > > isn't this fairly superfluous? > > no, if you misalign, a lot of 4k blocks might span into two erase blocks. > Which is bad. If you align correctly, you will never cross them unnecessary, > sparing your SSD some unnecessary writes and improving overall performance.
I don’t quite follow. If you align to 4k, then you are also aligned to 512k, because 512 % 4 = 0. -- Gruß | Greetings | Qapla' Please do not share anything from, with or about me with any Facebook service. The duration of a minute is relative. It depends on the side of the toilet door you are standing on.
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