Sander wrote: >Hans Reiser wrote (ao): > > >>This would not be (at least in theory) useful for RAID devices, but for >>a user with a single disk drive, it might be useful to have a plugin >>that creates two (or N) copies, and tries to allocate the two copies at >>opposite ends of the disk. Anyone out there still looking for a plugin >>to write? >> >> > >That will kill performance badly. First of all the two read/writes >needed, and second because you have to seek from one end to the disk to >the other every time you read/write something. > >And what is the advantage? You are not protected against a lot of disk >failures (only against bad blocks, right?). > >There is a lot more advantage in buying two disks and do raid over them. >This is (much) cheaper, gives better performance and gives more >protection. > >Anyway, no need for a plugin. You can just divide your disk in two >partitions and configure them as a raid1. > >Or am I missing something in your suggestion? > > > It is only for very important files for computers which have only one hard drive. Some of the work is with changing fsck.....
Hans
