> We have recently added 20 servers to our little farm, 7 of which were > having hard failuers on disks (SATA, Seagate, good brand new SuperMicro > boxes) > > The fact is that this failures are coming up right after we decided to > move to reiserfs. > > Can 7 out of 20 hard drives be defective (yes, of course, but what is > the % probability for this)? > Can this anyhow be related with reiserfs? You need to provide the actual error messages you got when the drive played up, and preferably the smart data. Without that it is guesswork. However multiple failures does happen, it can be environmental, could be a bad batch of disks, could be the box of disks that the courier dropped etc Alan