# 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
```

```
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.