[CentOS] arcconf Linux utility for Adaptec AAC-RAID (Rocket) (rev 02) (IBM ServeRAID 8k/8k-l8) unable to query RAID controller

Sun Apr 24 03:24:45 UTC 2022
Turritopsis Dohrnii Teo En Ming <ceo.teo.en.ming at gmail.com>

Subject: arcconf Linux utility for Adaptec AAC-RAID (Rocket) (rev 02)
(IBM ServeRAID 8k/8k-l8) unable to query RAID controller

Good day from Singapore,

Our client has IBM System x3650 server (machine type: 7979). Operating
system is CentOS Linux 6.10 (32-bit).

Recently we keep getting the following error messages (output
generated by dmesg).

<CODE>

sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Write(10): 2a 00 09 2a d1 50 00 02 00 00
end_request: critical target error, dev sda, sector 153801040
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Write(10): 2a 00 09 2a cf 50 00 02 00 00
end_request: critical target error, dev sda, sector 153800528
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Write(10): 2a 00 09 2a d3 50 00 02 00 00
end_request: critical target error, dev sda, sector 153801552
JBD2: Detected IO errors while flushing file data on dm-0-8
JBD2: Detected IO errors while flushing file data on dm-0-8
JBD2: Detected IO errors while flushing file data on dm-0-8
JBD2: Detected IO errors while flushing file data on dm-0-8
JBD2: Detected IO errors while flushing file data on dm-0-8
JBD2: Detected IO errors while flushing file data on dm-0-8
JBD2: Detected IO errors while flushing file data on dm-0-8
JBD2: Detected IO errors while flushing file data on dm-0-8
JBD2: Detected IO errors while flushing file data on dm-0-8
JBD2: Detected IO errors while flushing file data on dm-0-8
JBD2: Detected IO errors while flushing file data on dm-0-8
JBD2: Detected IO errors while flushing file data on dm-0-8
JBD2: Detected IO errors while flushing file data on dm-0-8
JBD2: Detected IO errors while flushing file data on dm-0-8
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a cf 38 00 01 00 00
end_request: critical target error, dev sda, sector 153800504
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d0 38 00 01 00 00
end_request: critical target error, dev sda, sector 153800760
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d0 00 00 00 08 00
end_request: critical target error, dev sda, sector 153800704

</CODE>

/dev/sda is a RAID 5 array with 3 harddisks of 136.6 GB capacity each.

<CODE>

[root at teo-en-ming-server ~]# fdisk /dev/sda

WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
         switch off the mode (command 'c') and change display units to
         sectors (command 'u').

Command (m for help): p

Disk /dev/sda: 293.4 GB, 293378981888 bytes
255 heads, 63 sectors/track, 35667 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x8b047782

   Device Boot      Start         End      Blocks   Id  System
/dev/sda1   *           1          64      512000   83  Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2              64       35668   285989888   8e  Linux LVM

Command (m for help):

</CODE>

We rebooted the server several times. The next morning we still get
the same error messages.

<CODE>

sd 0:0:0:0: [sda] 573005824 512-byte logical blocks: (293 GB/273 GiB)
sd 0:0:0:0: [sda] Write Protect is off
sd 0:0:0:0: [sda] Mode Sense: 06 00 10 00
sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, supports
DPO and FUA
 sda: sda1 sda2
sd 0:0:0:0: [sda] Attached SCSI removable disk
dracut: Scanning devices sda2  for LVM logical volumes
vg_teo-en-ming-server/lv_swap vg_teo-en-ming-server/lv_root
EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts:
SELinux: initialized (dev sda1, type ext4), uses xattr
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d0 00 00 00 80 00
end_request: critical target error, dev sda, sector 153800704
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d0 00 00 00 08 00
end_request: critical target error, dev sda, sector 153800704
Buffer I/O error on device sda, logical block 19225088
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d0 00 00 00 08 00
end_request: critical target error, dev sda, sector 153800704
Buffer I/O error on device sda, logical block 19225088
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d0 00 00 00 08 00
end_request: critical target error, dev sda, sector 153800704
Buffer I/O error on device sda, logical block 19225088
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d0 00 00 00 08 00
end_request: critical target error, dev sda, sector 153800704
Buffer I/O error on device sda, logical block 19225088
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d0 08 00 00 08 00
end_request: critical target error, dev sda, sector 153800712
Buffer I/O error on device sda, logical block 19225089
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d0 08 00 00 08 00
end_request: critical target error, dev sda, sector 153800712
Buffer I/O error on device sda, logical block 19225089
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d0 08 00 00 08 00
end_request: critical target error, dev sda, sector 153800712
Buffer I/O error on device sda, logical block 19225089
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d0 08 00 00 08 00
end_request: critical target error, dev sda, sector 153800712
Buffer I/O error on device sda, logical block 19225089
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d0 10 00 00 08 00
end_request: critical target error, dev sda, sector 153800720
Buffer I/O error on device sda, logical block 19225090
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d1 10 00 00 08 00
end_request: critical target error, dev sda, sector 153800976
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d1 10 00 00 08 00
end_request: critical target error, dev sda, sector 153800976
Buffer I/O error on device sda, logical block 19225122
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d1 10 00 00 08 00
end_request: critical target error, dev sda, sector 153800976
Buffer I/O error on device sda, logical block 19225122
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d1 18 00 00 08 00
end_request: critical target error, dev sda, sector 153800984
Buffer I/O error on device sda, logical block 19225123
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d1 18 00 00 08 00
end_request: critical target error, dev sda, sector 153800984
Buffer I/O error on device sda, logical block 19225123
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d1 18 00 00 08 00
end_request: critical target error, dev sda, sector 153800984
Buffer I/O error on device sda, logical block 19225123
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d1 18 00 00 08 00
end_request: critical target error, dev sda, sector 153800984
Buffer I/O error on device sda, logical block 19225123
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d1 20 00 00 08 00
end_request: critical target error, dev sda, sector 153800992
Buffer I/O error on device sda, logical block 19225124
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d1 20 00 00 08 00
end_request: critical target error, dev sda, sector 153800992
Buffer I/O error on device sda, logical block 19225124
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d1 20 00 00 08 00
end_request: critical target error, dev sda, sector 153800992
Buffer I/O error on device sda, logical block 19225124
Buffer I/O error on device sda, logical block 19225124
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d2 28 00 00 08 00
end_request: critical target error, dev sda, sector 153801256
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d2 28 00 00 08 00
end_request: critical target error, dev sda, sector 153801256
Buffer I/O error on device sda, logical block 19225157
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d2 28 00 00 08 00
end_request: critical target error, dev sda, sector 153801256
Buffer I/O error on device sda, logical block 19225157
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d2 28 00 00 08 00
end_request: critical target error, dev sda, sector 153801256
Buffer I/O error on device sda, logical block 19225157
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d2 30 00 00 08 00
end_request: critical target error, dev sda, sector 153801264
Buffer I/O error on device sda, logical block 19225158
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d2 30 00 00 08 00
end_request: critical target error, dev sda, sector 153801264
Buffer I/O error on device sda, logical block 19225158
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d2 30 00 00 08 00
end_request: critical target error, dev sda, sector 153801264
Buffer I/O error on device sda, logical block 19225158
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d2 30 00 00 08 00
end_request: critical target error, dev sda, sector 153801264
Buffer I/O error on device sda, logical block 19225158
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d2 38 00 00 08 00
end_request: critical target error, dev sda, sector 153801272
Buffer I/O error on device sda, logical block 19225159
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d2 38 00 00 08 00
end_request: critical target error, dev sda, sector 153801272
Buffer I/O error on device sda, logical block 19225159
Buffer I/O error on device sda, logical block 19225159
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d3 30 00 00 08 00
end_request: critical target error, dev sda, sector 153801520
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d3 38 00 00 08 00
end_request: critical target error, dev sda, sector 153801528
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d3 38 00 00 08 00
end_request: critical target error, dev sda, sector 153801528
Buffer I/O error on device sda, logical block 19225191
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d3 38 00 00 08 00
end_request: critical target error, dev sda, sector 153801528
Buffer I/O error on device sda, logical block 19225191
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d3 38 00 00 08 00
end_request: critical target error, dev sda, sector 153801528
Buffer I/O error on device sda, logical block 19225191
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d3 40 00 00 08 00
end_request: critical target error, dev sda, sector 153801536
Buffer I/O error on device sda, logical block 19225192
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d3 40 00 00 08 00
end_request: critical target error, dev sda, sector 153801536
Buffer I/O error on device sda, logical block 19225192
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d3 40 00 00 08 00
end_request: critical target error, dev sda, sector 153801536
Buffer I/O error on device sda, logical block 19225192
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d3 40 00 00 08 00
end_request: critical target error, dev sda, sector 153801536
Buffer I/O error on device sda, logical block 19225192
sd 0:0:0:0: [sda]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 0:0:0:0: [sda]  Sense Key : Hardware Error [current]
sd 0:0:0:0: [sda]  Add. Sense: Internal target failure
sd 0:0:0:0: [sda] CDB: Read(10): 28 00 09 2a d3 48 00 00 08 00
end_request: critical target error, dev sda, sector 153801544
Buffer I/O error on device sda, logical block 19225193
Buffer I/O error on device sda, logical block 19225193
Buffer I/O error on device sda, logical block 19225193

</CODE>

Based on the following discussion thread, we think that the RAID
controller may be failing.

Discussion thread: Which disk is bad in raid6 array
Link: https://serverfault.com/questions/384935/which-disk-is-bad-in-raid6-array

I had downloaded 32-bit arcconf Linux utility from the following link.

Link: https://hwraid.le-vert.net/wiki/Adaptec

<CODE>

[root at teo-en-ming-server log]# lspci -vvv | grep RAID
04:00.0 RAID bus controller: Adaptec AAC-RAID (Rocket) (rev 02)
        Subsystem: IBM ServeRAID 8k/8k-l8

</CODE>

However, we keep getting segmentation fault running arcconf utility.

<CODE>

[root at teo-en-ming-server log]# /usr/local/sbin/arcconf getconfig 1
Segmentation fault (core dumped)

</CODE>

These are the Linux Kernel messages.

<CODE>

Apr 22 11:11:33 teo-en-ming-server kernel: aacraid: Host adapter abort
request (0,0,0,0)
Apr 22 11:11:33 teo-en-ming-server kernel: aacraid: Host adapter reset
request. SCSI hang ?
Apr 22 11:11:33 teo-en-ming-server kernel: AAC: Host adapter BLINK LED 0x4
Apr 22 11:11:33 teo-en-ming-server kernel: AAC0: adapter kernel panic'd 4.
Apr 22 11:12:23 teo-en-ming-server kernel: IRQ 17/aacraid:
IRQF_DISABLED is not guaranteed on shared IRQs
Apr 22 11:14:37 teo-en-ming-server kernel: aacraid: Host adapter abort
request (0,0,0,0)
Apr 22 11:14:37 teo-en-ming-server kernel: aacraid: Host adapter reset
request. SCSI hang ?
Apr 22 11:14:37 teo-en-ming-server kernel: AAC: Host adapter BLINK LED 0x4
Apr 22 11:14:37 teo-en-ming-server kernel: AAC0: adapter kernel panic'd 4.
Apr 22 11:15:28 teo-en-ming-server kernel: IRQ 17/aacraid:
IRQF_DISABLED is not guaranteed on shared IRQs
Apr 22 11:16:34 teo-en-ming-server kernel: aacraid: Host adapter abort
request (0,0,0,0)
Apr 22 11:16:34 teo-en-ming-server kernel: aacraid: Host adapter reset
request. SCSI hang ?
Apr 22 11:16:34 teo-en-ming-server kernel: AAC: Host adapter BLINK LED 0x4
Apr 22 11:16:34 teo-en-ming-server kernel: AAC0: adapter kernel panic'd 4.

</CODE>

It seems that I could not query the RAID controller. It keeps saying
that the RAID controller adapter has kernel panics.

arcconf is a Linux utility to query the RAID controller.

<CODE>

[root at teo-en-ming-server cmdline]# lspci -nn | grep RAID
04:00.0 RAID bus controller [0104]: Adaptec AAC-RAID (Rocket)
[9005:0286] (rev 02)

</CODE>

Do you know why I keep getting segmentation fault running arcconf Linux utility?

Regards,

Mr. Turritopsis Dohrnii Teo En Ming
Targeted Individual in Singapore
24 April 2022 Sunday