May 1, 20233 yr I have some data on a a bunch of 1TB HDD's on my Computer and thought about moving it to my unraid server, so I took the data off the HDD's and installed the 6 1tb HDD's in my unraid server as a cache pool as I don't want them as part of the array, after formatting it came up as a total of 3 TB so I guess its raid 1? But before I move the data I have a couple of questions. If one of the six HDD's die can I still use the data? and just replace the dead HDD with the pool rebuild without loss of data? In unraid pools can I replace the dead HDD with a bigger HDD like in the array? If not why have pools and not second array?
May 1, 20233 yr Community Expert 1 hour ago, phileeny said: If one of the six HDD's die can I still use the data? and just replace the dead HDD with the pool rebuild without loss of data? Yes. 1 hour ago, phileeny said: In unraid pools can I replace the dead HDD with a bigger HDD like in the array? Yes, but since it's raid1 the extra capacity won't be usable until you replace at least two disks.
May 1, 20233 yr Author Thanks for the quick answer JorgeB, The data is for a website I'm looking to build so it's good to know there's a "backup" so to speak. If I do end up adding a new HDD will the raid1 auto re-write the data?
May 2, 20233 yr Community Expert 13 hours ago, phileeny said: good to know there's a "backup" so to speak. It should ho without saying that RAID is never a backup, it's mostly for redundancy, you still need to have a backup of anything important.
May 2, 20233 yr Author I already have a backup, I'm just wanting to know if the "redundancy" will auto re-write after replacing a HDD.
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