Messages in this thread | | | Date | Wed, 27 Mar 2002 20:32:50 -0800 (PST) | From | Andre Hedrick <> | Subject | Re: DE and hot-swap disk caddies |
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Hi Chuck,
You have me laughing and I love it, your signature!
What you are referring to is an bridge to a backplane, here is the voodoo electronics. If you check, I suspect that each drive is master mode, and the tailgate generates the ID; where as the interface is more or less SCA-SCSI. SCA is an interface w/ all the tristating buffers intergrated.
Cheers,
Andre Hedrick LAD Storage Consulting Group
On Wed, 27 Mar 2002, Chuck Campbell wrote:
> On Wed, Mar 27, 2002 at 04:27:18PM -0800, Andre Hedrick wrote: > > > > It requires more than what the average joe OS can do on its own. > > > Not to be a nay-sayer, or even argue, I jsut wonder what the present > hot swappable IDE raid devices are doing? > > Are these built with all the necessary electronics, or are they just > rolling the dice? > > I realise the OS only knows about the scsi interface to these, but they > would appear to provide hot swappable IDE disks, albeit, using a scsi > communication to the controller. > > -chuck > > -- > ACCEL Services, Inc.| Specialists in Gravity, Magnetics | 1(713)993-0671 ph. > 1900 West Loop S. | and Integrated Interpretation | 1(713)993-0608 fax > Suite 900 | | > Houston, TX, 77027 | Chuck Campbell | campbell@neosoft.com > | President & Senior Geoscientist | >
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