>> > -b internal -- seems like a good idea to speed up >> > resynchronization. >> >> I'm trying to figure out what the default is. >> > -e 1.0 -- I wonder why the new superblock format >> > is >> > not default in mdadm (0.90 is still used). >> > >> >> Looks interesting for big arrays but not sure it's >> worth starting over for. Trying to get through a 2 >> hour sync using 4 500gb sata 2 drives. > > That's exactly why you want the bitmap. Fortunately you can add it after the > array is created. Now the bad news, you should read and understand the meaning > of the "far" layout. Part of the information is in the mdadm man page under > -p, > some in the md man page. Use of "far" layout will effect the performance of > the > array, the balance of read vs. write performance, and (maybe) the reliability.
So to keep it simple, don't use far unless you have a reason to. Jan -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/