This appendix explains how to tune the Oracle Solaris disk target driver (sd or ssd driver) properties in the .conf file by using the sd-config-list or ssd-config-list global property.
The appendix describes the following formats for tuning disk target driver properties:
The tunable parameters to tune a disk driver uses the following prefix categories:
BCD – Binary-Coded-Decimal as shown in Figure 3, Table 3, Supported Tunables and Their Flag Values on Different Platforms
delay – Delay time in issuing a retry
timeout – Maximum time allowed by a process
reset – Reset control
retries – Number of retries before failure
throttle – Activity control
The following tunable names and their data types are supported by Oracle Solaris 10 and Oracle Solaris 11:
BOOLEAN
UINT32
UINT32
BOOLEAN
UINT32
UINT32
BOOLEAN
UINT32
UINT32
UINT32
UINT32
UINT32
UINT32
UINT32
UINT32
The tunable parameters that are supported only in Oracle Solaris 11 are all BOOLEAN data types. The parameters are:
cdb-suppress-dpofua
mmc-gesn-polling
power-condition