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Managing Disks - Certify, Verify, Initialize
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Topic starter
Hi,
I was wondering if there was a way to pause a certification that was currently running or if that is a feature that could be added. The reason I ask is I'm currently certifying a bunch of drives but I have an active drive sharing the thunderbolt channel. When I copy files on the active drive, I can definitely see the slowdown. It would be great to pause the certification until the copy is complete.
Thanks for your help.
Posted : 17/12/2017 7:52 am
You can cancel the certify. And, when you certify again, if in the same restart cycle, SoftRAID will ask you to resume the certify, if it is possible to do so. (Generally it can)
Posted : 17/12/2017 4:22 pm
Can I cancel, switch from a USB connection to FireWire and then restart the certify process from where it left off?
Posted : 18/12/2017 2:15 pm
Yes. We cannot guarantee certify will resume in all cases, but we try. Simply moving the disk to another bus does not affect the resume process.
Posted : 19/12/2017 1:24 am
Update, new issue now. So I tried the above. Canceled a certification that was in progress, pulled the USB cord and swapped it over to FW800. Restarted the certify process, Softraid offers to resume, cool.
About 20 hours later I check to see how it’s going and there is a dialog box up telling me the certify has stopped because four errors occurred.
Bad drive or is it possible that by pulling the USB connection and restarting on FW something got screwed up?
I’m running another certify now. If this one passes do you think it’s safe to assume it was just a glitch related to switching busses?
I did not power the drive off before pulling the USB but I did cancel the certify first and it was not mounted (obviously).
Thanks!
Derek
Posted : 20/12/2017 11:16 pm
The error happened over FireWire, but it could have been a cable issue, so see if it completes.
If there are errors, look in the SoftRAID log to see if the locations (offsets) of the errors are similar, or in very different parts of the disks. That might help you determine if the problem was in enclosure/cabling, or the drives.
A certify does not use any disk driver. It is a low level operation writing/reading to disks. It does not matter (assuming the connection is reliable) what bus the drive is connected, or if it moves to another bus, as you did. The errors are real, moving the drive had no impact on that.
Posted : 21/12/2017 1:16 pm
New Update on my cancel/restart certify error described above..
I started a fresh certify on the FW800 bus and set it to 4 passes. The entire process completed successfully. Given the previous errors reported shortly after I restarted the certify process on a different bus and now this new successful test can I reasonably conclude that the drive is working normally and put it in to use?
My gut tells me that the errors were somehow related to pulling USB and switching to FW800 then resuming the certify.
Thanks, Derek
Posted : 28/12/2017 12:47 pm
I agree with you.
Apple's USB implementation leaves a lot to be desired, to be polite.
Posted : 28/12/2017 1:40 pm
