On Fri, Aug 23, 2002 at 09:07:44PM +0800, Michael Wright wrote: > Hi all, > > After looking at the source for pdcraid.o I can see that read requests are > balanced across two the two disks in a RAID 1 array. For reasons I stated > before I think this has the potential to cause massive filesystem damage if > the disks go out of sync. I realize that balancing the read requests gives a > performance increase but I think that I would rather have data security than > performance. Either way it should be configurable. I will investigate a > patch to pdcraid.c that allows this behaviour to be configured on or off. it's a cheap way to get a rebuilder going as well; just tell it to read only from the good disk and then do "read + write back"....
