Looks like s7 primary db master has a disk #0 with predictive failure:
PROBLEM - Device not healthy -SMART- on db1062 is CRITICAL: cluster=mysql device=megaraid,0 instance=db1062:9100 job=node site=eqiad https://grafana.wikimedia.org/dashboard/db/host-overview?var-server=db1062&var-datasource=eqiad+prometheus/ops
It is disk #0
Enclosure Device ID: 32 Slot Number: 0 Drive's position: DiskGroup: 0, Span: 0, Arm: 0 Enclosure position: 1 Device Id: 0 WWN: 5000C500712219A8 Sequence Number: 2 Media Error Count: 37 Other Error Count: 0 Predictive Failure Count: 1 Last Predictive Failure Event Seq Number: 4886 PD Type: SAS Raw Size: 558.911 GB [0x45dd2fb0 Sectors] Non Coerced Size: 558.411 GB [0x45cd2fb0 Sectors] Coerced Size: 558.375 GB [0x45cc0000 Sectors] Sector Size: 0 Firmware state: Online, Spun Up Device Firmware Level: ES66 Shield Counter: 0 Successful diagnostics completion on : N/A SAS Address(0): 0x5000c500712219a9 SAS Address(1): 0x0 Connected Port Number: 0(path0) Inquiry Data: SEAGATE ST3600057SS ES666SL7TCQE FDE Capable: Not Capable FDE Enable: Disable Secured: Unsecured Locked: Unlocked Needs EKM Attention: No Foreign State: None Device Speed: 6.0Gb/s Link Speed: 6.0Gb/s Media Type: Hard Disk Device Drive Temperature :35C (95.00 F) PI Eligibility: No Drive is formatted for PI information: No PI: No PI Port-0 : Port status: Active Port's Linkspeed: 6.0Gb/s Port-1 : Port status: Active Port's Linkspeed: Unknown Drive has flagged a S.M.A.R.T alert : Yes
We should probably replace it