Drive 8 on RS3617xs+ is severely damaged and has failed. Back up your data
immediately
<https://kb.synology.com/DSM/tutorial/How_to_back_up_your_Synology_NAS> and
then replace the drive.

Drive information
Brand: Seagate
Model: ST8000NM017B-2TJ103
Capacity: 7.3 TB
Serial number: WWZ0EHPN
Firmware: SN01

S.M.A.R.T. Status: Failing
Drive reconnection count: 0
Drive re-identification count: 0

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