One disk seems to have failed after the last reboot for rack A3 maintenance:
Enclosure Device ID: 32 Slot Number: 5 Drive's position: DiskGroup: 6, Span: 0, Arm: 0 Enclosure position: 1 Device Id: 5 WWN: 500003961b703be0 Sequence Number: 2 Media Error Count: 68 <=================================== Other Error Count: 0 Predictive Failure Count: 0 Last Predictive Failure Event Seq Number: 0 PD Type: SATA Raw Size: 3.638 TB [0x1d1c0beb0 Sectors] Non Coerced Size: 3.637 TB [0x1d1b0beb0 Sectors] Coerced Size: 3.637 TB [0x1d1b00000 Sectors] Sector Size: 512 Logical Sector Size: 512 Physical Sector Size: 512 Firmware state: Online, Spun Up Device Firmware Level: FL1H Shield Counter: 0 Successful diagnostics completion on : N/A SAS Address(0): 0x500056b31234abc5 Connected Port Number: 0(path0) Inquiry Data: 25M1K89EFTOSHIBA MG03ACA400 FL1H 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 :32C (89.60 F) PI Eligibility: No Drive is formatted for PI information: No PI: No PI Drive's NCQ setting : N/A
[ 66.778672] megaraid_sas 0000:03:00.0: 10088 (601057004s/0x0001/FATAL) - VD bad block table on VD 06/6 is full; unable to log block 9a1 (on PD 05(e0x20/s5) at 9a1) [ 71.906483] megaraid_sas 0000:03:00.0: 10091 (601057010s/0x0002/FATAL) - Unrecoverable medium error during recovery on PD 05(e0x20/s5) at 9a1 [ 71.920728] megaraid_sas 0000:03:00.0: 10092 (601057010s/0x0001/FATAL) - VD bad block table on VD 06/6 is full; unable to log block 9a1 (on PD 05(e0x20/s5) at 9a1) [ 77.130387] megaraid_sas 0000:03:00.0: 10095 (601057015s/0x0002/FATAL) - Unrecoverable medium error during recovery on PD 05(e0x20/s5) at 9a1 [ 77.144628] megaraid_sas 0000:03:00.0: 10096 (601057015s/0x0001/FATAL) - VD bad block table on VD 06/6 is full; unable to log block 9a1 (on PD 05(e0x20/s5) at 9a1) [ 82.362999] megaraid_sas 0000:03:00.0: 10099 (601057020s/0x0002/FATAL) - Unrecoverable medium error during recovery on PD 05(e0x20/s5) at 9a1 [ 82.377253] megaraid_sas 0000:03:00.0: 10100 (601057020s/0x0001/FATAL) - VD bad block table on VD 06/6 is full; unable to log block 9a1 (on PD 05(e0x20/s5) at 9a1) [ 87.595489] megaraid_sas 0000:03:00.0: 10103 (601057025s/0x0002/FATAL) - Unrecoverable medium error during recovery on PD 05(e0x20/s5) at 9a1 [ 87.609757] megaraid_sas 0000:03:00.0: 10104 (601057025s/0x0001/FATAL) - VD bad block table on VD 06/6 is full; unable to log block 9a1 (on PD 05(e0x20/s5) at 9a1) [ 92.869591] megaraid_sas 0000:03:00.0: 10107 (601057031s/0x0002/FATAL) - Unrecoverable medium error during recovery on PD 05(e0x20/s5) at 9a1 [ 92.883824] megaraid_sas 0000:03:00.0: 10108 (601057031s/0x0001/FATAL) - VD bad block table on VD 06/6 is full; unable to log block 9a1 (on PD 05(e0x20/s5) at 9a1) [ 98.077223] megaraid_sas 0000:03:00.0: 10111 (601057036s/0x0002/FATAL) - Unrecoverable medium error during recovery on PD 05(e0x20/s5) at 9a1 [ 98.083585] sd 0:2:6:0: [sdg] tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE [ 98.083589] sd 0:2:6:0: [sdg] tag#0 Sense Key : Medium Error [current] [ 98.083592] sd 0:2:6:0: [sdg] tag#0 Add. Sense: No additional sense information [ 98.083596] sd 0:2:6:0: [sdg] tag#0 CDB: Read(16) 88 00 00 00 00 00 00 00 09 a0 00 00 00 08 00 00 [ 98.083599] blk_update_request: I/O error, dev sdg, sector 2464 [ 98.083601] Buffer I/O error on dev sdg1, logical block 52, async page read