Troubleshooting
Problem
This document explains how to check if your system recognizes any DASD as SSD.
Resolving The Problem
This document explains how to check if your system recognizes any DASD as SSD.
With hosted and external DASD, it can become more complicated to know if your DASD is recognized by the system as SSD or not.
Assuming current PTF levels for SSD (refer to document New, PTF Recomendations for Solid State Drives (SSD): 
), you can run the SQL statement: to see if any DASD are recognized by the system as being SSD:
SELECT UNIT_NUMBER from SYSDISKSTAT WHERE unit_type = 1
Note that you need to run the SQL command from an SQL interface like STRSQL. Also note that only DASD added to the ASP are reported on.
Historical Number
669704814
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Document Information
Modified date:
18 December 2019
UID
nas8N1010393