To chime in on the paralan comment, we had nothing but trouble with the two that we tried. (HVD in filer to LVD drives/library).
We ended up purchasing an FC-AL tape adapter for our filers and a Chapparal FC-SCSI bridge. We haven't had a problem since. This setup also provides the ability to offline and online the FC-AL adapter. If you need to do maintenance on your library (stuck tape, replace a drive, etc.), it can easily be done with the filer up and without interrupting service.
My .02, Jeff Mery, MCP National Instruments
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ravi ravi_tiger@rocketmail.com Sent by: owner-toasters@mathworks.com 09/27/2003 11:27 PM
To: Duncan Greenwood duncan.greenwood@btinternet.com, Robert Borowicz rbaus@swbell.net, toasters@mathworks.com cc: Subject: Re: Attaching 4700 to an FAS940
HI Guyz,
You may have to use lvd to hvd converter from paralan. It works. We had the same problem with 940, in which we had to hook up a hvd autoloader to 940. We used paralan because acording to ntap their pci is pci-x and there isnt't any hvd adapters for pci-x.
good luck..and shoot to www.paralan.com...
rgds, rvk --- Duncan Greenwood duncan.greenwood@btinternet.com wrote:
Rob,
Oops - the manual for this library tells me it has a *differential* SCSI interface which I'm almost certain requires an HVD or (old-style) diff adapter on the host. It probably won't work with an LVD adapter in the filer.
Limited specs are in the Sun systems handbook at:
http://sunsolve.sun.com/handbook_pub/Systems/L280/L280.html
and the manual is online at:
http://sunsolve.sun.com/data/805/805-3958/pdf/805-3958-10.pdf
See page 1-2 (p26 of the PDF) which says "SCSI-2 high density wide differential".
The L280 is an oem from HP (model 718) who offered it with either SCSI type, so if you've got a real HP one you might be lucky.
Otherwise you're stuck. I've never had much luck with SCSI converters, but others may disagree. NetApp don't seem to offer a differential adapter according to the parts finder on NOW.
hth
Duncan # ----- Original Message ----- From: Robert Borowicz To: toasters@mathworks.com Sent: Friday, September 26, 2003 11:25 PM Subject: Attaching 4700 to an FAS940
I'm coming in on Sunday to cable two Sun L280 (4700?) DLT 7000 7 tape stackers to my FAS940.
Support told me that the system will probe the SCSI controller and yield the correct device types.
Here's my sysconfig -v output:
slot 8: SCSI Host Adapter 8a (Adaptec AIC7899A) HW Version 0.0 Ultra160 SCSI, Low Voltage Differential slot 8: SCSI Host Adapter 8b (Adaptec AIC7899A) HW Version 0.0 Ultra160 SCSI, Low Voltage Differential
Anything I should know to get these bad boys to work? I'll be configuring them as NDMP devices from my Legato 6.1.3 server next week.
Thanks in advance!
-Rob
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