RE: iSCSI Autosense

[Black_David@emc.com]

> If you were to add Autosense emulation at the remote adapter, then should
it
> be done with ACA emulation as well if tags are supported? (FCP drives
> require Autosense.)

I believe the proposal is to require Autosense for iSCSI and not support
ACA.
Autosense can be emulated on top of ACA in the remote adapter as outlined
in previous mail - this has no effect on what has to be specified for iSCSI.
FCP drives do not pose a problem as Autosense would be used on both
sides of the remote adapter.

> SAM provides for conditional enabling of Autosense if allowed, whereas
iSCSI
> provides for the conditional disabling of Autosense making Autosense a
> required feature.  This would also seem to imply ACA would also be a
> required feature. 

That is not the case - please reread Ralph Weber's email on this topic.  If
FCP can forbid ACA, so can iSCSI.

--David

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David L. Black, Senior Technologist
EMC Corporation, 42 South St., Hopkinton, MA  01748
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