madmax969 Posted April 14, 2024 Posted April 14, 2024 Hi I have a question , I need to replace a disable drive, so I decided to upgrade my 4tb to an 8 TB , but my parity drive is 6tb. I hear people saying if your parity drive failes during the copy to the new one , you lose everything . In my case what is the best practice method ? ( I was thinking can I add the 8 TB parity drive as a second Parity drive and then remove the old 6 TB partity, is this possible. ) Quote
madmax969 Posted April 14, 2024 Author Posted April 14, 2024 Before doing the Parity drive swap, I have a drive in my array which is disable and the contents are being emulated . What I do first , will I lose everything on my drive which is disabled when I do a Parity drive swap ? Quote
itimpi Posted April 14, 2024 Posted April 14, 2024 6 minutes ago, madmax969 said: will I lose everything on my drive which is disabled when I do a Parity drive swap No. The whole purpose of the parity swap procedure is to replace a parity drive with a larger one and then rebuild the contents of the emulated drive onto the old parity drive that is replacing the disabled drive. It works in two phases which have to both run to completion without interruption if you do not want to have to restart again from the beginning. the first phase will copy the contents of the old parity drive onto the new (larger) parity drive. During this phase the array is never available.. when that completes the standard rebuild process starts running to rebuild the emulated drive onto the old parity drive. If you were doing this process in Normal mode the array is available but with reduced performance (as is standard with rebuilding). If running in Maintenance mode the array will become available only when the rebuild completes and you restart the array in normal mode. 2 1 Quote
madmax969 Posted April 14, 2024 Author Posted April 14, 2024 (edited) I understand now , for some reason I thought It would be more complicated . I started the copy , I have a little chile to go. 6 TB to copy .. Thank you for all your Help @itimpiand @Gragorg I will let you know how everything goes , once completed Edited April 14, 2024 by madmax969 Quote
madmax969 Posted April 17, 2024 Author Posted April 17, 2024 I have another questiion Is the parity drive still rebuilding? I see the following message Stopped. Upgrading disk/swapping parity. Quote
madmax969 Posted April 18, 2024 Author Posted April 18, 2024 Ok I found my answer , I needed to press start Quote
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