will '-c NNNNN' make badblocks test 10 TB disk faster ?

[guermantes]

It is customary on large new disks to test them with badblocks -b 4096 -wsv /dev/adaX (besides the SMART tests). I saw a thread on stackexchange where the user also specified -c 131072 in order to test 128 blocks at the same time. I can't remember seeing the -c option being mentioned here on the forum, although I would guess it speeds up the test. Is it not relevant for the execution speed of the test?

 

[Chris Moore]

You might want to take a look at this video:
https://www.youtube.com/watch?v=9bh5ZK8z4ZA&t

 

[guermantes]

You might want to take a look at this video:
https://www.youtube.com/watch?v=9bh5ZK8z4ZA&t

Nice! I will try larger values for both -b and -c in a few days. I have a 10 TB drive to check. For those wanting to skip to the relevant section, it starts at 5:50.

@Chris Moore are you helping him port the script to FreeBSD? It would be a great addition to the FreeNAS GUI.

 

[Chris Moore]

are you helping him port the script to FreeBSD?

I already downloaded it, so I will be looking into the script and doing some testing. I have work and school, but I will try to make time for it.

It would be a great addition to the FreeNAS GUI.

I might be able to get it working on FreeNAS, but I don't expect it to be included in the GUI. It would probably be like these other scripts:

Github repository for FreeNAS scripts, including disk burnin
https://forums.freenas.org/index.ph...for-freenas-scripts-including-disk-burnin.28/