https://community.hpe.com/t5/operating-system-hp-ux/c7497b-dds4-problem/m-p/3752127#M257971 You might try installing the latest stape patch for 11.11, PHKL_33425. Despite the similar model numbers these are quite different drives.<BR /><BR />What does ioscan -fn display? Wed, 15 Mar 2006 18:15:51 GMT A. Clay Stephenson 2006-03-15T18:15:51Z https://community.hpe.com/t5/operating-system-hp-ux/c7497b-dds4-problem/m-p/3752126#M257970 HI,<BR />I have a problem with a DDS4 C7197B.<BR />I replace my unit DDS4 C7197A on my hpux rp2470 by a unit DDS4 C7197B.<BR />The problems is, it is not recognized by the system hpux 11.11, i tried with 2 units Tapes DDS 4 C7197B and the 2 units are not reconized. But when i connect a DDS3 Unit, this is recognize.<BR />I check the dip swicht on my DDS4 C7197A and C7197B, this is ok.<BR />What is the problem?<BR />Thanks Wed, 15 Mar 2006 17:38:34 GMT https://community.hpe.com/t5/operating-system-hp-ux/c7497b-dds4-problem/m-p/3752126#M257970 david_974 2006-03-15T17:38:34Z https://community.hpe.com/t5/operating-system-hp-ux/c7497b-dds4-problem/m-p/3752127#M257971 You might try installing the latest stape patch for 11.11, PHKL_33425. Despite the similar model numbers these are quite different drives.<BR /><BR />What does ioscan -fn display? Wed, 15 Mar 2006 18:15:51 GMT https://community.hpe.com/t5/operating-system-hp-ux/c7497b-dds4-problem/m-p/3752127#M257971 A. Clay Stephenson 2006-03-15T18:15:51Z https://community.hpe.com/t5/operating-system-hp-ux/c7497b-dds4-problem/m-p/3752128#M257972 C7497B has seen this problem occassionally.<BR /><BR />A fix for it can be for HP hardware to add a term power cable to the device.<BR /> Wed, 15 Mar 2006 19:27:02 GMT https://community.hpe.com/t5/operating-system-hp-ux/c7497b-dds4-problem/m-p/3752128#M257972 Kent Ostby 2006-03-15T19:27:02Z