On Sat, 4 Apr 2015 11:55:00 AM Daniel Jitnah wrote:
I have a 1TB usb external drive used mostly for backup, and occasionally to run virtual machines stored on it. It is a Lacie Porche model of roughly 3-4 yrs and it has a Hitachi disk drive in it. It has 5 partitions of ~200gGb each.
The USB interface doesn't seem to support as much error reporting as SATA. I'm not sure how much that is due to the specifications of the USB mass storage interface and how much is due to implementations. But in any case directly connecting the drive by SATA may give you more information, for a sealed unit you can probably crack it open and find a SATA interface inside.
IMHO 212 days is not a lot! Could there be other reasons than "really badblocks" thats causing this problem? I would think that a badblock check is filesystem independent. OR is there any reason why a partition with reiserfs would be particularly prone to developing badblocks?
The NetApp research into drive failures (which covers hundreds of thousands of drives) indicates that there is a strong location correlation between errors. So it's not a partition issue, it's just a disk location issue and partitions are based on disk location. There's no reason why ReiserFS should be more susceptable to disk errors. As an aside does the entire drive go read-only or just the filesystem on that partition?
Also any recommendation for a good 1 Tb USB external drive (powered is fine, it does not have to be portable).
I recommend getting a USB-SATA caddy so you can use any SATA disk. That is REALLY handy for so many backup and recovery tasks. If you don't need portability then a USB-SATA caddy on your desk doesn't take much more space than a drive enclosed in a case. Also I recommend getting something larger. Even if you don't need more than 1TB now if the drive lasts for a few years you will probably find a need for more. 4TB SATA disks are getting cheap nowadays. -- My Main Blog http://etbe.coker.com.au/ My Documents Blog http://doc.coker.com.au/