Thanks for the details. So, there really isn't that big of a difference from the 3494 to the 3584 other than the lack of an internal PC/LM and a redesigned, mostly plastic picker/gripper mechanism.
On Tue, Apr 30, 2013 at 11:03 AM, David Bronder <david-bron...@uiowa.edu>wrote: > The only non-drive external cables to the library would be Ethernet for > access to the web interface and either an analog phone line for the > call-home modem or a second Ethernet for the TS3000 if you have one. > (We missed the phone line requirement at first, so we had to scramble > to get those in.) > > Internally, each drive has a couple power connections and one or two > RS422 or similar connections to a library node card, plus one or two > fibre connections (newer LTO and 3592 support dual connections) to the > "patch panel" (just a piece of sheet metal to snap in LC-LC couplers). > IBM will be responsible for connections from the back of the patch, and > you will be responsible for external connections to the patch. > > With multiple drive frames, you will also have connections from one > frame to the next to connect up the node cards. I believe they are > daisy-chained, so any given frame would only have one cross-frame cable > going each direction. (Mine are both 2-frame libraries, but the second > is an S24, aka HD frame, so there is no node card in use.) > > =Dave > > Zoltan Forray wrote: > > > > That is what I understood from previous emails but wanted to make sure > but > > someone here keeps insisting there should be another cable just for the > > library. > > > > As for internally, how does the library talk to the drives/canisters? In > > the 3494, it used RS422 cables from the drive cages/frames to the RTIC > > cards. My understanding is there is a fibre patch-panel in each D-frame > to > > which you connect 2m cables to the drives and then I guess to connect the > > fibre cables from the SAN switch to this same patch-panel? I really > wish I > > had the "maintenance manual" for the 3584! > > > > > > On Tue, Apr 30, 2013 at 10:06 AM, Prather, Wanda <wanda.prat...@icfi.com > >wrote: > > > > > No. > > > You can define the control path on any (and all) drives. > > > The 2nd cable is if you want to have path failover configured on the > drive. > > > > > > -----Original Message----- > > > From: ADSM: Dist Stor Manager [mailto:ADSM-L@VM.MARIST.EDU] On Behalf > Of > > > Zoltan Forray > > > Sent: Tuesday, April 30, 2013 10:04 AM > > > To: ADSM-L@VM.MARIST.EDU > > > Subject: Re: [ADSM-L] Equating current 3494 configuration to TS3500 > > > > > > One more question about this. The book isn't very clear about whether > a > > > separate fibre cable is needed between the library and our SAN switch > for > > > communications. From the book: > > > > > > *The host server attaches to the library by using fiber cables that > > > connect directly to a drive canister or through the library's patch > panel.* > > > > > > Does that mean a separate fibre cable goes to the second connector of > the > > > 3592 designated as the "control path" drive(s)? > > > > [...trimming the rest...] > > > -- > Hello World. David Bronder - Systems > Architect > Segmentation Fault ITS-EI, Univ. of > Iowa > Core dumped, disk trashed, quota filled, soda warm. > david-bron...@uiowa.edu > -- *Zoltan Forray* TSM Software & Hardware Administrator Virginia Commonwealth University UCC/Office of Technology Services zfor...@vcu.edu - 804-828-4807 Don't be a phishing victim - VCU and other reputable organizations will never use email to request that you reply with your password, social security number or confidential personal information. For more details visit http://infosecurity.vcu.edu/phishing.html
