Fujitsu M10-1 / M10-4 / M10-4S Disk ( SSD ): Solid State Disks Experiencing "Disconnected command timeout"

Asset ID:	1-72-2259169.1
Update Date:	2017-04-25
Keywords:

Solution Type Problem Resolution Sure

Solution 2259169.1 : Fujitsu M10-1 / M10-4 / M10-4S Disk ( SSD ): Solid State Disks Experiencing "Disconnected command timeout"

Applies to:

Fujitsu M10-1 - Version All Versions and later
Fujitsu M10-4 - Version All Versions and later
Fujitsu M10-4S - Version All Versions and later
Information in this document applies to any platform.

Symptoms

200 GB ( part number 7082308 ) and 400 GB ( part number 7082314 ) SSD with firmware 3701 or 3702 suffering from the following errors:

Sep 23 03:11:37 <domain> scsi: [ID 107833 kern.warning] WARNING: /pci@8000/pci@4/pci@0/pci@0/scsi@0 (mpt_sas0):
Sep 23 03:11:37 <domain> Disconnected command timeout for Target 17
Sep 23 03:11:37 <domain> scsi: [ID 243001 kern.info] /pci@8000/pci@4/pci@0/pci@0/scsi@0 (mpt_sas0):
Sep 23 03:11:37 <domain> mptsas_check_scsi_io: IOCStatus=0x48 IOCLogInfo=0x31140000
Sep 23 03:11:37 <domain> scsi: [ID 243001 kern.info] /pci@8000/pci@4/pci@0/pci@0/scsi@0 (mpt_sas0):
Sep 23 03:11:37 <domain> mptsas_check_scsi_io: IOCStatus=0x48 IOCLogInfo=0x31140000
Sep 23 03:11:37 <domain> scsi: [ID 243001 kern.info] /pci@8000/pci@4/pci@0/pci@0/scsi@0 (mpt_sas0):
Sep 23 03:11:37 <domain> mptsas_check_scsi_io: IOCStatus=0x48 IOCLogInfo=0x31140000
Sep 23 03:11:37 <domain> scsi: [ID 243001 kern.info] /pci@8000/pci@4/pci@0/pci@0/scsi@0 (mpt_sas0):
Sep 23 03:11:37 <domain> mptsas_check_scsi_io: IOCStatus=0x48 IOCLogInfo=0x31140000
Sep 23 03:11:37 <domain> scsi: [ID 107833 kern.warning] WARNING: /pci@8000/pci@4/pci@0/pci@0/scsi@0/iport@f/disk@w500003966c898c0a,0 (sd7):
Sep 23 03:11:37 <domain> SCSI transport failed: reason 'timeout': retrying command
Sep 23 03:12:47 <domain> scsi: [ID 107833 kern.warning] WARNING: /pci@8000/pci@4/pci@0/pci@0/scsi@0 (mpt_sas0):
Sep 23 03:12:47 <domain> Disconnected command timeout for Target 17

This issue does not affect any other SSD's nor other firmware versions.

Cause

The root cause of this issue is an SSD firmware bug that causes the SSD to become unresponsive to the host, resulting in the "Disconnected command timeout".

Solution

This issue is fixed with the 3703 firmware.

The new firmware can be located in the following patches:

M10-1 Patch 25918501
M10-4 Patch 25918550
M10-4S Patch 25918531

Please consult the README for installation instructions.

References

<NOTE:1316513.1> - Failing disk can cause the system to be unresponsive with IO to ZFS zpool hanging
<NOTE:2046098.1> - Fujitsu M10-1/M10-4/M10-4S - What HDD ( Hard Disk Drive ) or SSD ( Solid State Disk ) are Supported in My M10
<NOTE:1527298.1> - How To Replace the M10-4/M10-4S/M12-2/M12-2S DISK

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