On 2020-06-15, Dale <rdalek1...@gmail.com> wrote: > Howdy, > > I finally bought a 8TB drive. It is used but they claim only a > short duration. Still, I want to test it to be sure it is in grade > A shape before putting a lot of data on it and depending on it. I > am familiar with some tools already. I know about SMART but it is > not always 100%. It seems to catch most problems but not all. I'm > familiar with dd and writing all zeores or random to it to see if it > can in fact write to all the parts of the drive but it is slow.
It takes a long time to write 8GB no matter what tool you're using. > It can take a long time to write and fill up a 8TB drive. Days > maybe? I would guess several days > I googled and found a new tool but not sure how accurate it is since > I've never used it before. The command is badblocks. It is > installed on my system so I'm just curious as to what it will catch > that others won't. Is it fast or slow like dd? backblocks was designed to do what you want. For an 8GB drive, it will probably take most of a week. > I plan to run the SMART test anyway. It'll take several hours but > I'd like to run some other test to catch errors that SMART may > miss. If there is such a tool that does that. If you bought a used > drive, what would you run other than the long version of SMART and > its test? babblocks would be a good start. you could also use stress-ng with the "hdd" options: https://packages.gentoo.org/packages/app-benchmarks/stress-ng https://wiki.gentoo.org/wiki/User:Maffblaster/Drafts/stress-ng -- Grant