On Tuesday July 3, ian@xxxxxxxxxxxxxxxxxxxxx wrote: > There doesn't seem to be any designated place to send bug reports and > feature requests to mdadm, so I hope I am doing the right thing by > sending it here. Yes. Exactly the right thing, thanks. I have applied the patch and pushed it out into .git. It will appear in the next release of mdadm. Thank, NeilBrown > > I have a small patch to mdamd which allows the write-behind amount to be > set a array grow time (instead of currently only at grow or create > time). I have tested this fairly extensively on some arrays built out of > loop back devices, and once on a real live array. I haven't lot any data > and it seems to work OK, though it is possible I am missing something. > > --- mdadm-2.6.1/mdadm.c.writebehind 2006-12-21 16:12:50.000000000 +1030 > +++ mdadm-2.6.1/mdadm.c 2007-06-30 13:16:22.000000000 +0930 > @@ -827,6 +827,7 @@ > bitmap_chunk = bitmap_chunk ? bitmap_chunk * 1024 : 512; > continue; > > + case O(GROW, WriteBehind): > case O(BUILD, WriteBehind): > case O(CREATE, WriteBehind): /* write-behind mode */ > write_behind = DEFAULT_MAX_WRITE_BEHIND; > > > -- > Ian Dall <ian@xxxxxxxxxxxxxxxxxxxxx> - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html