Author Topic: Time required to restore RAID array on LS421DE?  (Read 322 times)

Taurantres

  • Calf
  • *
  • Posts: 1
Time required to restore RAID array on LS421DE?
« on: February 18, 2019, 05:51:09 pm »
I have an LS421DE. One of the (4TB) drives failed last weekend. I replaced it with new drive and followed all of the steps laid out by Buffalo for replacing a failed drive. The array is accessible, but almost a week later NAS Navigator still indicates the array is rebuilding (rebuild started on 2/11; today is 2/18). The red light on the Linkstation is flashing red as though the disk(s) are being read. Is this timeframe for rebuilding an array reasonable for a 4TB mirrored array? Thanks.

1000001101000

  • Debian Wizard
  • El Toro
  • ****
  • Posts: 323
  • There's no problem so bad you cannot make it worse
Re: Time required to restore RAID array on LS421DE?
« Reply #1 on: February 18, 2019, 06:44:02 pm »
It depends on several factors but more than a day or two would have me concerned. If my math is at all correct:

4tb=4,000,000mb
at a pessimistic 50mb/s is 80,000 seconds or 22 hours

Also note that the red leds arenít disk activity indicators, i beleive the manual describes what they mean in detail.