Of course this is "generally" true, but if you use SVM on SPARC (combinations of soft partitions/UFS on top of it) or are on x64 (in which case you use sd and not ssd) you better want to set maxphys to 1MB and not "assume" maxphys is set to 1MB.. I have been hurt by that few times now.

-Jignesh


Richard Elling wrote:

Perhaps you need to read the Solaris Tunable Parameters Reference
Manual which says the following about maxphys:

Default
131,072 (Sun-4u) or 57,344 (x86). The sd driver uses the value of 1,048,576 if the drive supports wide transfers. The ssd driver uses 1,048,576 by default.

If you are using fibre, you will be using 1,048,576 by default.
-- richard
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