Our TL4000 tape library is out of warranty. I think we need a replacement iSCSI to SAS bridge. I have already tried a replacement H176G Assy, Cbl, Sas, Ext, Mini, 0.6m, 1x2. Here's the symptoms. After rebooting the tape library, which has 2 tape drives, and attached server during a Microsoft DPM backup only one tape drive was showing up in Device Manager and iSCSI Initiator on the server, as well as in Device Management in the TL2000/TL4000 iSCSI-SAS Bridge GUI. I have rebooted the library and server, re-discovered the iSCSI targets on the server. I then swithced the Y end of the cable on the tape drives, and then the media changer and other drive showed up. I thought it might be the cable, so I replaced it. Same symptoms. In Device Management in the Bridge GUI all 3 targets show up but the drive that doesn't show up doesn't have Device info listed for it, just the Target and Device WWN. Going to the tape library GUI iteself everything is showing up correctly. DPM is running fine with just the library and one drive showing up. There's nothing in the bridge logs. Is it a bad iSCSI to SAS bridge? The server connected to the library through iSCSI is a Dell PowerEdge R510 running Windows Server 2008 R2 and Micrsoft's DPM 2012 SP1.
Thanks.
Cyndi