Just to be sure, can you verify you have the EE license applied? With friendly Regards, Josh-Daniel S. Davis
On Fri, Mar 4, 2011 at 9:32 AM, Laks, Brian <bl...@healthplan.com> wrote: > I have 9 LTO-4 drives connected to our TSM server, only 5 of them work at any > time after upgrading to a new fiber card. > > We have tried two different fiber cards (qlogic and emulex) and still only 5 > drives. > > We have Confirmed latest drivers and firmware with IBM support. The old 2gig > fiber card still works with all 9 drives, but is considerably slower than 5 > drives on an 4g card. > > The new cards are both multi port cards, but only one port is being used. > Multipath drivers are not being used. 9 drives are zoned to one port. > > IBM support believes it to be hardware since the old card works, so we > purchased a second card of different manufacture. Now the problem exists on > two fiber cards of different manufacture so I'm real reluctant to think its a > hardware problem any more. > > Interestingly, the 5 good drives vary. I can unload the drivers and reload > everything and drives that were previously unavailable work while drives that > were working are then unavailable. It seems kind of random. All the dives > show up in the OS, and TSMDLST show them all as well. I uninstalled old > drivers and reinstalled them exactly as per IBM support instructions, and > rebuilt the drive and library paths in tsm during each reload as per IBM > support guidelines. > > Has anyone seen anything like this? I'm absolutely baffled. I'm thinking we > are going to have to zone 5 drives to one port and 4 drives to the other, but > the SAN admin type is reluctant since all 9 drives work with the original > card. My guess is that somewhere in the drivers its smart enough to know > that 9 LTO-4's to a single 4g port is silly in the first place. > > Maybe someone wants 4 LTO-4's so this problem just goes away :) The 5 drives > work with fewer problems and better throughput than the 9 drives on the old > card. > > Thanks for reading, Have a great day. > > _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ > CONFIDENTIALITY NOTICE: If you have received this email in error, please > immediately notify the sender by e-mail at the address shown.This email > transmission may contain confidential information.This information is > intended only for the use of the individual(s) or entity to whom it is > intended even if addressed incorrectly. Please delete it from your files if > you are not the intended recipient. Thank you for your compliance. >