Troubleshooting
Problem
The QSMGSSTD API using documented SSDGAUGE parameter does not report Enterprise SSDs
Symptom
With type 59C2 SSDS following the instructions at this site:
https://www.ibm.com/support/knowledgecenter/en/ssw_ibm_i_73/apis/qsmgsstd.htm#flddsc
To run:
CALL PGM(QSMGSSTD) PARM('SSDGAUGE' X'00000008' 'SSTD0100' X'00000000')
The output indicates "NO READ INTENSIVE SSDS FOUND."
The QSMGSSTD API using documented SSDGAUGE parameter does not report Enterprise SSDs.
Cause
SSDGAUGE parameter only produces output for "mainstream" SSDS
Resolving The Problem
IBM only provides SSDGauge support for its mainstream drives. Per Knowledge Center (see links below), Enterprise level SSDs are not subject to the limitations of the mainstream drives. Predictive Failure Analysis (PFA) is operating across all of IBM's SSDs to predictively identify drive failures before they become an issue.
First to determine what type of SSDs the client has get the TYPE of the drive and refer to
https://www.ibm.com/support/knowledgecenter/en/POWER8/p8ecs/p8ecs_drive_parts.htm
If the drive does NOT have a "read intensive SSDs" note then it is an Enterprise level drive.
For a detailed description of Mainstream vs Enterprise level SSDs see
https://www.ibm.com/support/knowledgecenter/POWER8/p8hal/pxhal_read_intensive_ssd.htm
While not documented the following version of the command will produce output for each Enterprise SSD but the Life Used Column may be meaningless and SO is NOT supported and is NOT a valid way to get information on Enterprise SSDs.
CALL PGM(QSMGSSTD) PARM('SSDSTATS' X'00000096' 'SSTD0100' X'00000000')
The output will look like
RESOURCE LIFE DASD SERIAL LOCATION
ASP UNIT NAME USED TYPE MOD NUMBER DASD IOA BUS
--- ---- ---------- ---- ---- --- ----------- -------- -------- -----
1 19 DMP037 0 59C2 109 02-MVRBKAA P1-D19 P1-C1 288
1 20 DMP039 0 59C2 109 02-MVUVR5A P1-D20 P1-C1 288
1 21 DMP041 0 59C2 109 02-MVRAG1A P1-D21 P1-C1 288
1 22 DMP043 0 59C2 109 02-MVLZNBA P1-D22 P1-C1 288
1 23 DMP045 0 59C2 109 02-MVJ5KDA P1-D23 P1-C1 288
1 6 DMP049 0 59C2 109 02-MVG2X2A P1-D24 P1-C1 288
NC NC DMP052 0 59C2 101 02-MVE7ALA P1-D18 P1-C4 308
NC NC DMP054 0 59C2 101 02-MVJ82DA P1-D17 P1-C4 308
1 1 DMP064 0 59C2 109 02-MVM9USA P1-D10 P1-C4 308
1 2 DMP065 0 59C2 109 02-MVK7MAA P1-D12 P1-C4 308
1 3 DMP067 0 59C2 109 02-MV13MLA P1-D14 P1-C4 308
1 4 DMP069 0 59C2 109 02-MVTEH6A P1-D15 P1-C4 308
1 5 DMP073 0 59C2 109 02-MV2HX4A P1-D16 P1-C4 308
****** END OF DUMP ******
LIFE USED though may be meaningless. For Enterprise SSDs this info is not needed.
Related Information
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Document Information
Modified date:
17 June 2018
UID
nas8N1022483