How to prevent Buffer I/O Error during the boot time in Linux 6
(Doc ID 1515713.1)
Last updated on MAY 01, 2021
Applies to:
Linux OS - Version Oracle Linux 6.1 to Oracle Linux 6.3 [Release OL6U1 to OL6U3]Exalogic Elastic Cloud X4-2 Hardware - Version X4 to X4 [Release X4]
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64
Symptoms
The server gets below Buffer I/O error during boot time under kernel 2.6.32-220.el6.x86_64 in Linux 6, and the storage is Sun Storagetek 6140 operating in active/passive mode.
Oct 15 13:07:01 <HOST> kernel: sd 1:0:0:1: [sdc] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Oct 15 13:07:01 <HOST> kernel: sd 1:0:0:1: [sdc] Sense Key : Illegal Request [current]
Oct 15 13:07:01 <HOST> kernel: sd 1:0:0:1: [sdc] <> ASC=0x94 ASCQ=0x1ASC=0x94 ASCQ=0x1
Oct 15 13:07:01 <HOST> kernel: sd 1:0:0:1: [sdc] CDB: Read(10): 28 00 00 00 00 00 00 00 08 00
Oct 15 13:07:01 <HOST> kernel: end_request: I/O error, dev sdc, sector 0
Oct 15 13:07:01 <HOST> kernel: Buffer I/O error on device sdc, logical block 0
Oct 15 13:07:02 <HOST> kernel: sd 1:0:0:1: [sdc] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Oct 15 13:07:02 <HOST> kernel: sd 1:0:0:1: [sdc] Sense Key : Illegal Request [current]
Oct 15 13:07:02 <HOST> kernel: sd 1:0:0:1: [sdc] <> ASC=0x94 ASCQ=0x1ASC=0x94 ASCQ=0x1
Oct 15 13:07:02 <HOST> kernel: sd 1:0:0:1: [sdc] CDB: Read(10): 28 00 00 00 00 00 00 00 08 00
Oct 15 13:07:02 <HOST> kernel: end_request: I/O error, dev sdc, sector 0
Oct 15 13:07:02 <HOST> kernel: Buffer I/O error on device sdc, logical block 0
Oct 15 13:07:01 <HOST> kernel: sd 1:0:0:1: [sdc] Sense Key : Illegal Request [current]
Oct 15 13:07:01 <HOST> kernel: sd 1:0:0:1: [sdc] <> ASC=0x94 ASCQ=0x1ASC=0x94 ASCQ=0x1
Oct 15 13:07:01 <HOST> kernel: sd 1:0:0:1: [sdc] CDB: Read(10): 28 00 00 00 00 00 00 00 08 00
Oct 15 13:07:01 <HOST> kernel: end_request: I/O error, dev sdc, sector 0
Oct 15 13:07:01 <HOST> kernel: Buffer I/O error on device sdc, logical block 0
Oct 15 13:07:02 <HOST> kernel: sd 1:0:0:1: [sdc] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
Oct 15 13:07:02 <HOST> kernel: sd 1:0:0:1: [sdc] Sense Key : Illegal Request [current]
Oct 15 13:07:02 <HOST> kernel: sd 1:0:0:1: [sdc] <> ASC=0x94 ASCQ=0x1ASC=0x94 ASCQ=0x1
Oct 15 13:07:02 <HOST> kernel: sd 1:0:0:1: [sdc] CDB: Read(10): 28 00 00 00 00 00 00 00 08 00
Oct 15 13:07:02 <HOST> kernel: end_request: I/O error, dev sdc, sector 0
Oct 15 13:07:02 <HOST> kernel: Buffer I/O error on device sdc, logical block 0
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |