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This page is to be used for problems and fixes we have encountered. Problem:Installing nodes into a non switch SP2 frame, unable to see even numbered nodes though the supervisor card is visible with the hmmon command. Fix:The frame had recently been used by the customer as a test system and sat on its own CWS. He had recently moved the frame onto his live system to use the nodes in the live environment. This meant he moved the frame onto another CWS with two existing switched SP2 frames. The CWS recognised the new SP2 frame as an expansion frame, because it does not have a switch, which allows the primary frame to house up to 8 wide nodes and any additional nodes (up to 16) would have to go into this expansion frame. The problem was that the primary frame holds the even numbered nodes and the expansion holds the odd numbered nodes there by invalidating any even installed nodes!. The answer is to either move the even numbered nodes elsewhere or if no room is available, install a switch into the non switched frame. Even if you don't use the switch you will now be able to see the even nodes in the frame. Problem:When installing internal disks in a 7060-H30 a previous array configuration on the H30 would not allow the installation to complete and subsequently no raid sets were built. Fix:To resolve this problem we first had to deactivate the cpc then start the SSA service aids delete any hot spare, new or old raid set disks - this will lose any customer data on these disks. We then checked to see all disks were showing as 'free resources'. Next we closed the SE application then opened an OS/2 prompt window. Navigate to the D:\SP_RW directory and delete the file BBR2CCFG.DAT. This is the configuration file for the disks under the SE application. Now start the SE application again, POR the cpc then start the disk configuration utility. You should now be able to build the LSS's (arrays), this builds a new valid BBR2CCFG.DAT file. Problem:On a AS400 170 the customer was having problems running a SAVSYS or SAVSTG command using a 6385 or 6386 tape drive. The job would run for 5-10 mins then fail with interface checks flagged against the tape drive (SRN 63A09100). The callouts were power to tape drive, tape drive, SCSI cable and SCSI adapter (2741). None of which resolved the problem. The OS level was V5R2 and latest PTF's were installed. As the SCSI bus was called out all devices on the bus were suspect, these were CDROM and 4 x 6817 disks. Fix:It was found that 3 x of the disks were the 'short control card' disks and the 4th was the older style full control card. The older style disk was moved into the expansion frame with 2 other disks giving 3 in the system frame (new style) and 3 in the expansion frame (mixed). This fixed the problem. Another tell tale sign of the failure was the CDROM light flashed during the SAVSYS indicating the SCSI bus had been reset by the system. |
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