Re: Multi-Actuator SAS HDD First Look

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On Fri, 2018-03-30 at 12:36 -0600, Tim Walker wrote:
> Yes I will be there to discuss the multi-LUN approach. I wanted to get
> these interface details out so we could have some background and
> perhaps folks would come with ideas. I don't have much more to put
> out, but I will certainly answer questions - either on this list or
> directly.

Hello Tim,

As far as I know the Linux SCSI stack does not yet support any SCSI devices
for which a single SCSI command affects multiple (two in this case) LUNs.
Adding such support may take significant work. There will also be the
disadvantage that most SCSI core contributors do not have access to a multi-
actuator device and hence that their changes may break support for multi-
actuator devices.

PS: the preferred style for all Linux kernel mailing lists I know of is to reply
below a previous message. See also https://en.wikipedia.org/wiki/Posting_style.

Thanks,

Bart.







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