JimPhreak Posted February 2, 2016 Share Posted February 2, 2016 How long can I expect a data rebuild to take if I'm replacing a 3TB drive (that had 1TB of data on it) with an 8TB drive? Also, if there was a unrecoverable read error during a rebuild (URE) what state would that leave my array in? I'm just trying to wrap my head around how UnRAID's protected array differs from traditional RAID5. Since most of my array consists of 8TB drives now, URE's are of real concern if they can drastically impact the state of my array during a rebuild. Quote Link to comment
trurl Posted February 2, 2016 Share Posted February 2, 2016 How long can I expect a data rebuild to take if I'm replacing a 3TB drive (that had 1TB of data on it) with an 8TB drive? The amount of data or size of the old drive don't matter. The new drive will be completely rebuilt from parity. Quote Link to comment
JorgeB Posted February 2, 2016 Share Posted February 2, 2016 It will depend largely on controller bottlenecks, speed of other disks, size of other disks, etc, but for reference I did one recently and it took 14h55m. Quote Link to comment
jphipps Posted February 2, 2016 Share Posted February 2, 2016 My last few drive replacements took about the same time as a normal parity check, in the 14-16 hour range.. Quote Link to comment
JimPhreak Posted February 2, 2016 Author Share Posted February 2, 2016 Thanks guys. If it's close to the length of a parity check it's going to take me close to 24 hours then. Quote Link to comment
JimPhreak Posted February 2, 2016 Author Share Posted February 2, 2016 Check OP for question about potentional URE's during rebuild. Quote Link to comment
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.