On 21/10/2010 18:59, Maurice Volaski wrote:
Does the write cache referred to above refer to the "Writeback Cache"
> property listed by stmfadm list-lu -v (when a zvol is a target) or
> is that some other cache and if it is, how does it interact with the
> first one?

Yes it does, that basically results in DKIOCGETWCE ioctl being called on the ZVOL (though you won't see that in truss because it is called from the comstar kernel modules not directly from stmfadm in userland).

--
Darren J Moffat
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