On Sat, 2006-03-11 at 16:47 -0800, dean gaudet wrote: > On Sat, 11 Mar 2006, Ming Zhang wrote: > > > On Sat, 2006-03-11 at 16:31 -0800, dean gaudet wrote: > > > if you fail the disk from the array, or boot without the failing disk, > > > then the event counter in the other superblocks will be updated... and the > > > removed/failed disk will no longer be considered an up to date > > > component... so after doing the ddrescue you'd need to reassemble the > > > raid5. i'm not sure you can convince md to use the bitmap in this case -- > > > i'm just not familiar enough with it. > > > > i am little confused here. then what the purpose of that bitmap for? is > > not that bitmap is for a component temporarily out of place and thus out > > of sync a bit? > > hmm... yeah i suppose that is the purpose of the bitmap... i haven't used > bitmaps yet though... so i don't know which types of events they protect > against. in theory what you want to do sounds like it should work though, > but i'd experiment somewhere safe first. yes, need to see if can find bitmap usage and purpose from archive here or google. > > -dean - 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
