Hi all,
   we have an alpha-server 2000/300 running DU 3.0 with the following SCSI
   devices on #0 controller:
        SCSI-ID		DEVICE
          0		2.1 Gb Disk
          2		External Tape
          4		CDROM
          6		2.1 Gb Disk
   and we want to connect another disk (Quantum XP34300, 4Gb) to the same
   scsi bus with scsi-id 3.
   Configuration works fine (disklabel & newfs & mount), but when we work
   on it for a while it hungs the whole scsi bus, getting a lot of error &
   timeout messages from the bus ending in 'resetting SCSI at request'
   message and the system totally hungs.
   Intalling the same disk on AlphaStation 500/266 running DU 3.2d with
   the same configuration all is ok (so far ...)
   Output from 'uerf' (sorry for the long output :():
   [Realize that it don't complain about the new scsi-id #3]
----8<----- uerf -----------8<----- uerf -----------8<----- uerf -------
********************************* ENTRY  1181. *********************************
EVENT CLASS                             OPERATIONAL EVENT 
OS EVENT TYPE                  300.     SYSTEM STARTUP 
SEQUENCE NUMBER                  0.
MESSAGE                                 Alpha boot: available memory from _0x85
                                        Firmware revision: 1.3 
                                        PALcode: OSF version 1.35 
                                        ibus0 at nexus 
                                        ace0 at ibus0 
                                        gpc0 at ibus0 
                                        eisa0 at ibus0 
                                        aha0 at eisa0 slot 6 
                                        scsi0 at aha0 
  rz0 at scsi0 bus 0 target 0 lun 0 (DEC _    RZ28B    (C) DEC 0003) 
  rz4 at scsi0 bus 0 target 4 lun 0 (DEC _    RRD43   (C) DEC  0064) 
  rz6 at scsi0 bus 0 target 6 lun 0 _(FUJITSU M2903S-512       0139) 
  kn121_enable_central_interrupt: _non-existant interrupt 0xb 
                                        fdi0 at eisa0 
                                        fd0 at fdi0 unit 0 
                                        lp0 at ibus0 
                                        lvm0: configured. 
                                        lvm1: configured. 
                                        dli: configured 
********************************* ENTRY  1182. *********************************
EVENT CLASS                             ERROR EVENT 
OS EVENT TYPE                  199.     CAM SCSI 
SEQUENCE NUMBER                  1.
----- UNIT INFORMATION -----
CLASS                         x0022     DEC SIM 
SUBSYSTEM                     x0000     DISK 
BUS #                         x0000
                              x0030     LUN x0
                                        TARGET x6
********************************* ENTRY  1183. *********************************
EVENT CLASS                             ERROR EVENT 
OS EVENT TYPE                  199.     CAM SCSI 
SEQUENCE NUMBER                  2.
----- UNIT INFORMATION -----
CLASS                         x0022     DEC SIM 
SUBSYSTEM                     x0000     DISK 
BUS #                         x0000
                              x0000     LUN x0
                                        TARGET x0
********************************* ENTRY  1184. *********************************
EVENT CLASS                             ERROR EVENT 
OS EVENT TYPE                  199.     CAM SCSI 
SEQUENCE NUMBER                  3.
----- UNIT INFORMATION -----
CLASS                         x0022     DEC SIM 
SUBSYSTEM                     x0000     DISK 
BUS #                         x0000
                              x0000     LUN x0
                                        TARGET x0
        ........
        ........
        ........
        ........
********************************* ENTRY  1196. *********************************
EVENT CLASS                             ERROR EVENT 
OS EVENT TYPE                  199.     CAM SCSI 
SEQUENCE NUMBER                 15.
----- UNIT INFORMATION -----
CLASS                         x0022     DEC SIM 
SUBSYSTEM                     x0000     DISK 
BUS #                         x0000
                              x0000     LUN x0
                                        TARGET x0
********************************* ENTRY  1197. *********************************
EVENT CLASS                             ERROR EVENT 
OS EVENT TYPE                  199.     CAM SCSI 
SEQUENCE NUMBER                 16.
----- UNIT INFORMATION -----
CLASS                         x0022     DEC SIM 
SUBSYSTEM                     x0000     DISK 
BUS #                         x0000
                              x0030     LUN x0
                                        TARGET x6
********************************* ENTRY  1198. *********************************
EVENT CLASS                             ERROR EVENT 
OS EVENT TYPE                  199.     CAM SCSI 
SEQUENCE NUMBER                 17.
----- UNIT INFORMATION -----
CLASS                         x0022     DEC SIM 
SUBSYSTEM                     x0000     DISK 
BUS #                         x0000
                              x0000     LUN x0
                                        TARGET x0
......
......
......
----8<----- uerf -----------8<----- uerf -----------8<----- uerf -------
Saludos,
Ginés Bravo                                   
http://www.eui.upm.es/~gines
Responsable Centro de Cálculo                     e-mail: gines_at_eui.upm.es
E.U. Informática (UPM)                                   ph. +34 1 3367901
España / Spain                                           fax +34 1 3311767
Received on Tue Jul 09 1996 - 19:01:49 NZST