http://thread.gmane.org/gmane.linux.kernel.device-mapper.dm-crypt/1974/focus=1974 On Fri, Dec 01, 2006 at 03:26:49PM +0100, Christophe Saout wrote: > Am Freitag, den 01.12.2006, 00:02 +0300 schrieb Andrey: > > - fs asks to write 2048 bytes of zeroes to some sector. It always > > happens ONLY with requests of 2K and only if data is all zeroes. It > > happens on random sectors. Write request goes w/o error. > > - someone (i have vague idea how linux cache works) sends a READA bio > > with size of 4K for an area starting with the same sector. It goes down > > to raid5 and it returns garbage. The data returned is not all zeroes > > and it _looks_ like it returns data that was there before zeroes were > > written. here goes the corruption. Does the write complete before the reada is issued or do they overlap? Alasdair -- agk@xxxxxxxxxx --------------------------------------------------------------------- dm-crypt mailing list - http://www.saout.de/misc/dm-crypt/ To unsubscribe, e-mail: dm-crypt-unsubscribe@xxxxxxxx For additional commands, e-mail: dm-crypt-help@xxxxxxxx
