Synology 2 bay - adding a drive with bigger size to existing SHR array

rangor gubbins

rangor gubbins

rangor gubbins

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I've got a synology 2-bay DS720+, currently with 2 x 4TB drives (IronWolf) in it and running with SHR raid. I recently got hold of an 8TB drive (IronWolf NAS drive). If i swap one of my existing 4TB drives with the 8TB I'm assuming i would still only have 4TB of available storage. Is that right?
If at some point in the future, I swap the remaining 4TB drive with another 8TB drive, will it give me 8TB storage without me having to rebuild the volume, reset the system or otherwise faff about with it? Or once an SHR raid is 4TB does it stay 4TB regardless of what drives are there?
 
killsta said:
Beware of the time it takes to repair after a disk swap.....you're talking days for bigger arrays and gives you a failure point for that period.
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Oh that's useful to know. I think I have about 2.5TB of data in 3.6TB of available space currently. If I put in the 8TB disk how long do you think it will take to repair the array?
 
D-Ranged said:
Funny little story from a while back at work.

We had some servers in our office "data center" that we supported for a client. They ran his very small accounting business. He would come in every now and then, to do some work on them.

He had a friend or client in, and was showing off his servers. And for some reason, he decided to show him how "cool" RAID was. So pulled one of his drives out while it was running and said "look, it's still running!" Put the drive back in, then pulled one of the other ones out...

You can imagine his disbelief.
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Ouch!
 
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