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source | link

I would go "CRS / ASM / RDBMS 10.2.0.1 and then patch to 10.2.0.5 in the same order" just to be sure I follow the most typical way that others went before 10.2.0.5 became available. But it's just me, your first proposition will work as well.

Both alternatives guarantee that at all the timetimes:

CRS version >= DB version
CRS version >= ASM version

I would go "CRS / ASM / RDBMS 10.2.0.1 and then patch to 10.2.0.5 in the same order" just to be sure I follow the most typical way that others went before 10.2.0.5 became available. But it's just me, your first proposition will work as well.

Both alternatives guarantee that all the time:

CRS version >= DB version
CRS version >= ASM version

I would go "CRS / ASM / RDBMS 10.2.0.1 and then patch to 10.2.0.5 in the same order" just to be sure I follow the most typical way that others went before 10.2.0.5 became available. But it's just me, your first proposition will work as well.

Both alternatives guarantee that at all times:

CRS version >= DB version
CRS version >= ASM version
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source | link

I would go "CRS / ASM / RDBMS 10.2.0.1 and then patch to 10.2.0.5 in the same order" just to be sure I follow the most typical way that others went before 10.2.0.5 became available. But it's just me, your first proposition will work as well.

Both alternatives guarantee that all the time:

CRS version >= DB version
CRS version >= ASM version