# Tux04 disk issues We are facing some disk issues with Tux04: ``` May 02 20:57:42 tux04 kernel: Buffer I/O error on device sdf1, logical block 859240457 ``` # Tags * assigned: pjotrp, aruni * type: systems * keywords: hardware * status: unclear * priority: medium # Info ``` journalctl |grep mega May 01 01:40:45 tux04 smartd[2440]: Device: /dev/bus/0 [megaraid_disk_00], opened May 01 01:40:45 tux04 smartd[2440]: Device: /dev/bus/0 [megaraid_disk_00], [NVMe Dell DC NVMe PE8 .2.0], lu id: 0x9a9ad026002ee4ac, S/N: SSBBN7299I250C41H, 960 GB May 01 01:40:45 tux04 smartd[2440]: Device: /dev/bus/0 [megaraid_disk_01], opened May 01 01:40:45 tux04 smartd[2440]: Device: /dev/bus/0 [megaraid_disk_01], [NVMe Dell Ent NVMe FI .0.0], lu id: 0x3655523054a001820025384500000002, S/N: S6URNE0TA00182, 1.60 TB May 01 01:40:45 tux04 smartd[2440]: Device: /dev/bus/0 [megaraid_disk_02], opened May 01 01:40:45 tux04 smartd[2440]: Device: /dev/bus/0 [megaraid_disk_02], [NVMe UMIS RPJTJ512MGE 0630], lu id: 0x8a13205102504a04, S/N: SS0L25210X8RC25E14WA, 512 GB May 01 01:40:45 tux04 smartd[2440]: Device: /dev/bus/0 [megaraid_disk_03], opened May 01 01:40:45 tux04 smartd[2440]: Device: /dev/bus/0 [megaraid_disk_03], [NVMe CT4000P3SSD8 R30A], lu id: 0x550000f077a77964, S/N: 2314E6C3E33E, 4.00 TB May 01 01:40:45 tux04 smartd[2440]: Device: /dev/bus/0 [megaraid_disk_04], opened May 01 01:40:45 tux04 smartd[2440]: Device: /dev/bus/0 [megaraid_disk_04], [NVMe CT4000P3SSD8 R30A], lu id: 0x830000f077a77964, S/N: 2314E6C3E2E2, 4.00 TB May 01 01:40:45 tux04 smartd[2440]: Device: /dev/bus/0 [megaraid_disk_05], opened May 01 01:40:45 tux04 smartd[2440]: Device: /dev/bus/0 [megaraid_disk_05], [NVMe CT4000P3SSD8 R30A], lu id: 0x4d0000907da77964, S/N: 2327E6E9CB05, 4.00 TB ``` Switched on smartmontools. ``` smartctl -a /dev/sdf -d megaraid,0 ``` shows no errors. ``` tux04:/$ lspci |grep RAID 41:00.0 RAID bus controller: Broadcom / LSI MegaRAID 12GSAS/PCIe Secure SAS39xx ``` Download megacli from => https://hwraid.le-vert.net/wiki/DebianPackages ``` megacli -LDInfo -L5 -a0 ``` ``` tux04:/$ megacli -PDList -a0|grep -i S.M megacli -PDList -a0 Drive has flagged a S.M.A.R.T alert : No Drive has flagged a S.M.A.R.T alert : No Drive has flagged a S.M.A.R.T alert : No Drive has flagged a S.M.A.R.T alert : No Drive has flagged a S.M.A.R.T alert : No Drive has flagged a S.M.A.R.T alert : No tux04:/$ megacli -PDList -a0|grep -i Firm Firmware state: Online, Spun Up Device Firmware Level: .2.0 Firmware state: Online, Spun Up Device Firmware Level: .0.0 Firmware state: Online, Spun Up Device Firmware Level: 0630 Firmware state: Online, Spun Up Device Firmware Level: R30A Firmware state: Online, Spun Up Device Firmware Level: R30A Firmware state: Online, Spun Up Device Firmware Level: R30A ``` So the drives are OK and the controller is not complaining. Smartctl self tests do not work on this controller: ``` tux04:/$ smartctl -t short -d megaraid,0 /dev/sdf -c Short Background Self Test has begun Use smartctl -X to abort test ``` and nothing ;). Megacli is actually the tool to use ``` megacli -AdpAllInfo -aAll ```