On Certain SPARC Systems, Disk Failures May Occur During Resilvering Process, Potentially Resulting in Lost Files or Data

Asset ID:	1-77-2269670.1
Update Date:	2017-05-25
Keywords:

Solution Type Sun Alert Sure

Solution 2269670.1 : On Certain SPARC Systems, Disk Failures May Occur During Resilvering Process, Potentially Resulting in Lost Files or Data

Applies to:

SPARC T5-1B
SPARC T5-2
SPARC T5-4
SPARC T5-8
SPARC T7-1
SPARC
For the complete list of systems affected, see the "Occurrence" Section
________________________________________________________

Date of Resolved Release: 25-Mar-2017
________________________________________

Description

SPARC T5-1B, SPARC T5-2, SPARC T5-4, SPARC T5-8, SPARC T7-1, SPARC T7-2, SPARC T7-4, SPARC S7-2, SPARC S7-2L, Netra SPARC S7-2, Netra SPARC T4-1 systems with HUC101860CSS200 (600.0GB) and/or HUC101812CSS200 (1.2TB) disks with firmware A770 may experience failures during resilvering or other disk operations, potentially resulting in loss of files and/or data.

Occurrence

This issue can occur on the following platforms:

SPARC Platform

SPARC T5-1B, T5-2, T5-4, and T5-8 with HUC101860CSS200 (600.0GB) disks running firmware A770 or earlier
SPARC T7-1, T7-2,T7-2, and T7-4 with HUC101860CSS200 (600.0GB) and/or HUC101812CSS200 (1.2TB) disks running firmware A770 or earlier
SPARC S7-2 and S7-2L with HUC101860CSS200 (600.0GB) and/or HUC101812CSS200 (1.2TB) disks running firmware A770 or earlier
Netra SPARC S7-2 with HUC101860CSS200 (600.0GB) and/or HUC101812CSS200 (1.2TB) disks running firmware A770 or earlier
Netra SPARC T4-1 with HUC101812CSS200 (1.2TB) disks running firmware A770 or earlier

To determine the current disk firmware versions on one of these servers, the following Solaris command can be used:

# fwupdate list disk

      DISKS
      ===============
      ID Manufacturer Model Chassis Slot Type Media Size(GiB) FW Version XML Support
      -----------------------------------------------------------------------------------------------------------
      c0d0 HGST H101812SFSUN1.2T - 0 sas HDD 1118 A770 N/A
      c0d1 HGST H101812SFSUN1.2T - 3 sas HDD 1118 A770 N/A
      c0d2 HGST H101860SFSUN600G - 7 sas HDD 559 A990 N/A

Symptoms

If this issue occurs, a disk or multiple disks may fail during resilvering, potentially resulting in lost files or data.

Workaround

There is no workaround for this issue. Please see the Resolution section below.

Resolution

This issue is addressed in the following release:

SPARC Platform

Firmware A990 for 1.2TB, 600GB DRIVE (patch 25926919) which can be found at

https://support.oracle.com/epmos/faces/ui/patch/PatchDetail.jspx?parent=DOCUMENT&sourceId=1957783.1&patchId=25926919

Customers are advised to upgrade disk firmware from A770 to A990 at the earliest opportunity to prevent this issue from occurring.

History

25-May-2017: Document released, status Resolved

Internal link for Firmware patch 25926919:
https://mosemp.us.oracle.com/epmos/faces/PatchDetail?requestId=21248334&_afrLoop=475084048743357&patchId=25926919

Questions regarding this document should be addressed to
sunalertpublication_us_grp@oracle.com and copy the
submitter/responsible engineer listed below.

Internal Contributor/Submitter: chuck.forgues@oracle.com
Internal Eng Responsible Engineer: ravi.chari@oracle.com, xu.chen@oracle.com
Oracle Knowledge Analyst: david.mariotto@oracle.com
Internal Eng Business Unit Group: VSP SPARC Systems
Internal Associated SRs: 3-12649292452, 3-13881336331, 3-14141932721, 3-14145254308, 3-14251267448, 3-14235627091
Internal Resolution Patches: FW patch 25926919

References

<BUG:25560601> - T7-1: MULTIPLE DISKS FAILURE DURING RESILVERING PROCESS RESULTING IN LOST FILES

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