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Can't Add Drive to Repair RAID

 JonP
(@jonp)
Active Member Customer

I replaced a disk that was failing in a RAID. Per SoftRAID instructions, I replaced the disk, initialized it. Then I right-clicked on the RAID volume but "Add Disk..." option is greyed out.

How do I add the new disk to the RAID so it can be rebuilt?

I'm using a Thunderbay 4 with Mac OS 10.13

Quote
Topic starter Posted : 21/10/2018 11:51 am
(@softraid-support)
Member Admin

If you go through the support video linked here on how to replace a RAID drive, where do the instructions not work?

https://srforums.wpengine.com/pages/videos.html#setup

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Posted : 21/10/2018 12:41 pm
 JonP
(@jonp)
Active Member Customer

Aha! The SoftRAID Lite XT quick start guide said nothing about the process of removing the damaged disk - it just said "Look at the front of the device and remove the disk with the blinking light." I actually looked for further instructions but didn't find any.

So, I just took out the failing disk, while the volume was mounted, and put in the new disk. I haven't saved anything since removing the failing disk. Should I put it back in and go through the procedure outlined in the video? If not, what should I do at this point. I initialized the new disk, but I can't add it to the volume (I also disabled protection).

Thanks!

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Topic starter Posted : 21/10/2018 1:12 pm
(@softraid-support)
Member Admin

You can do what you did, as long as you used SoftRAID to initialize the disk.
I assume your volume is still mounted. If you have a disk of the correct size (or larger), then when you select the volume, the option in the volumes menu to "add disk" should be available.

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Posted : 21/10/2018 10:13 pm
 JonP
(@jonp)
Active Member Customer

I did use SoftRAID to initialize the disk, and yes, it is still mounted, and it's 2TB, same size as the disk it replaced. But as I mentioned at the outset, "Add disk" is grayed out.

Should I unmount and remount? Restart computer?

Thanks.

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Topic starter Posted : 21/10/2018 11:29 pm
(@softraid-support)
Member Admin

send a tech support file to support at softraid. We can take a look from there. This should be straightforward.

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Posted : 22/10/2018 12:32 pm
(@softraid-support)
Member Admin

This is a RAID 0 volume with no redundancy. SO you cannot rebuild it.

Do you still have the failing disk?

You can put it back in, backup, then create a new volume. RAID 0 has no protection against disk failure.

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Posted : 24/10/2018 6:55 am
 JonP
(@jonp)
Active Member Customer

Aha! That's OK, as I have a 2nd full backup. Which is why I made it RAID 0 in the first place. But I forgot about that.

Thanks very much.

Jonathan

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Topic starter Posted : 24/10/2018 7:23 am
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