Is possible to replace at the same time parity and 1 data drive?

[dheg]

Hi,

I have an array with two parity drives, 1x 4TB + 1x 3TB.

One of the data drives in the array is failing, and have just finished clearing a 4TB drive.

Is it posible to replace the failing drive with the smaller parity, an the latest with the new 4TB I've just precleared?

Thanks!

 

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[JorgeB]

Yes, if parity2 is the 3TB one you'll need to unassign it and start the array without first.

Edited June 28, 2017 by johnnie.black

[trurl]

Interesting question. I've not seen anyone ask this with 2 parity drives. Not sure if the usual "parity swap" procedure would apply or maybe a New Config with trust parity, keeping whatever parity you want to keep in its correct parity slot.

 

I see johnnie.black has already responded, but didn't really tell us what he had in mind. If anyone knows how to proceed here it would be him.

 

Probably a good idea to post your diagnostics. That would answer some of my questions at least. Go to Tools - Diagnostics and post the complete diagnostics zip.

 

[JorgeB]

Parity swap works with parity1 only, if the smaller one is parity2 needs to do as I described above.

[dheg]

Hi all, sorry the delay, been travelling last week.

Attached my diagnostics.

 

On 6/28/2017 at 2:56 PM, johnnie.black said:

Yes, if parity2 is the 3TB one you'll need to unassign it and start the array without first.

 

How exactly I do that?

gaia-diagnostics-20170630-2201.zip

[JorgeB]

Stop array, unassign parity2, start array.