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| Title: | FDDI - The Next Generation |
|
| Moderator: | NETCAD::STEFANI |
|
| Created: | Thu Apr 27 1989 |
| Last Modified: | Thu Jun 05 1997 |
| Last Successful Update: | Fri Jun 06 1997 |
| Number of topics: | 2259 |
| Total number of notes: | 8590 |
I have a customer who is consolidating many old Digital systems into a cluster of 2 7000's. This
system will need to be highly reliable and will have high I/O demands placed on it. The customer
is planning to put 1 FDDI controller on the system.
They want a failover capability to another FDDI connection that is dual-homed to
another concentrator. Their question is whether it would be better to have 2 SAS devices
or 1 DAS device. Do we have plans for a DAS XMI device?
What are the pro's and cons of 2 SAS devices as opposed to 1 DAS device? If they are
running TCP on one device and DECnet on the other, can the 7000 failover to the other
device upon failure?
Thanks for the help,
Karla
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