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Conference smurf::ase

Title:	ase

Moderator:	SMURF::GROSSO

Created:	Thu Jul 29 1993
Last Modified:	Fri Jun 06 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	2114
Total number of notes:	7347

2109.0. "Network ping YES, SCSI ping NO, what could be the reason ?" by COL01::VSEMUSCHIN (Duck and Recover !) Tue Jun 03 1997 15:06

    I have another problem with cluster, described
    in 2108:
    
    Y Cable ----- TriLink ------ Y Cable
      |            HSZ40             |
      |            HSZ40             |
    KZPSA                          KZPSA
    AS1000A                        AS1000A
    
    Both alphas have DUNIX 3.2G with the newest KZPSA 
    patch installed. ASE 1.3. Sometimes they cannot
    ping each other ower SCSI. Only network pings work.
    Could it be hardware Problem or it can be caused
    by high load on one of computers (or Just Another
    Patch is necessary. NB, besides the mentioned above
    there are no other patches installed)
    
    =Seva
    
    PS daemon.log extracts follow:
                                             
    Jun  3 14:09:11 ALPHA1 DECsafe: local HSM ***ALERT: HSM_PATH_STATUS:192.168.1.2:UP
    Jun  3 16:19:45 ALPHA1 mountd[374]: startup
    Jun  3 16:19:50 ALPHA1 DECsafe: local HSM ***ALERT: HSM_PATH_STATUS:192.168.1.2:UP
    Jun  3 16:19:50 ALPHA1 DECsafe: local HSM ***ALERT: HSM_NI_STATUS:192.168.1.1:UP
    Jun  3 16:31:34 ALPHA1 DECsafe: local HSM Warning: Can't ping ALPHA2over the SCSI bus
    Jun  3 16:31:34 ALPHA1 DECsafe: local HSM ***ALERT: HSM_PATH_STATUS:192.168.1.2:UP              
    Jun  3 16:31:35 ALPHA1 DECsafe: local HSM ***ALERT: network ping to host ALPHA2 is working but SCSI ping is g not
    Jun  3 16:32:04 ALPHA1 DECsafe: local HSM ***ALERT: ATH_STATUS:192.168.1.2:UP
    Jun  3 16:32:05 ALPHA1 DECsafe: local HSM ***ALERT: network ping to host ALPHA2 is working and now SCSI ping rking also
    Jun  3 16:32:11 ALPHA1 DECsafe: local HSM Warning: Can't ping ALPHA2 over ths
    Jun  3 16:32:12 ALPHA1 DECsafe: local HSM ***ALERT: HSM_PATH_STATUS:192.168.1.2:UP
    Jun  3 16:32:12 ALPHA1 DECsafe: local HSM ***ALERT: network ping to host ALPHA2 is working but SCSI ping is not
    Jun  3 16:32:42 ALPHA1 DECsafe: local HSM ***ALERT: HSM_PAT_STATUS:192.168.1.2:UP
    Jun  3 16:32:42 ALPHA1 DECsafe: local HSM ***ALERT: network ping to host ALPHA2 is working and now SCSI ping is working also
    Jun  3 16:35:12 ALPHA1 DECsafe: local HSM Warning: Can't ping ALPHA2 over the SCSI bus  
    Jun  3 16:35:13 ALPHA1 DECsafe: local HSM ***ALERT: HSM_PATH_STATUS:192.168.1.2:UP
    Jun  3 16:35:13 ALPHA1 DECsafe: local HSM ***ALERT: network ping tohost ALPHA2 is working but SCSI ping is not
    Jun  3 16:35:43 ALPHA1 DECsafe: local HSM ***ALERT:HSM_PATH_STATUS:192.168.1.2:UP
    Jun  3 16:35:43 ALPHA1 DECsafe: local HSM ***ALERT: network ping to hostALPHA2 is working and now SCSI ping is working also
    Jun  3 16:35:50 ALPHA1 DECsafe: local HSM Warning: Can't ping ALPHA2 over the SCSI bus
    Jun  3 16:35:50 ALPHA1 DECsafe: local HSM ***ALERT: HSM_PAT_STATUS:192.168.1.2:UP
    Jun  3 16:35:51 ALPHA1 DECsafe: local HSM ***ALERT: network ping to host ALPHA2 is working but SCSI ping is not
    Jun  3 16:36:51 ALPHA1 DECsafe: local HSM ***ALERT: HSM_PATH_STATUS:192.168.1.2:UP
    Jun  3 16:36:51 ALPHA1 DECsafe: local HSM ***ALERT: network ping tohost ALPHA2 is working and now SCSI ping is working also
    Jun  3 16:43:41 ALPHA1 DECsafe: local HSM Warning: Can't ping ALPHA2 over the SCSI bus
    Jun  3 16:43:42 ALPHA1 DECsafe: local HSM ***ALERT: HSM_PAH_STATUS:192.168.1.2:UP
    Jun  3 16:43:42 ALPHA1 DECsafe: local HSM ***ALERT: network ping tohost ALPHA2 is working but SCSI ping is not
    Jun  3 17:03:39 ALPHA1 mountd[374]: startup
    Jun  3 17:03:43 ALPHA1 DECsafe: local HSM ***ALERT: HSM_PATH_STATUS:192.168.1.2:UP
    Jun  3 17:03:43 ALPHA1 DECsafe: local HSM ***ALERT: HSM_NI_STATUS:192.168.1.1:UP
    
                        ALPHA2:
    
    Jun  3 13:47:36 ALPHA2 DECsafe: local HSM ***ALERT: network ping to host ALPHA1 is working but SCSI ping is not
    Jun  3 13:52:12 ALPHA2 DECsafe: local HSM ***ALERT: HSM_PATH_STATUS:192.168.1.1:UP
    Jun  3 13:52:13 ALPHA2 DECsafe: local HSM ***ALERT: network ping tohost ALPHA1 is working and now SCSI ping is working also
    Jun  3 13:52:29 ALPHA2 DECsafe: local HSM Warning: Can't ping ALPHA1 over the SCSI bus
    Jun  3 13:52:29 ALPHA2 DECsafe: local HSM ***ALERT: HSM_PATH_STATUS:192.168.1.1:UP
    Jun  3 13:52:29 ALPHA2 DECsafe: local HSM ***ALERT: network ping to host ALPHA1 is working but SCSI ping is  not
    Jun  3 14:09:26 ALPHA2 mountd[374]: startup
    Jun  3 14:09:30 ALPHA2 DECsafe: local HSM ***ALERT: HSM_PATH_STATUS:192.168.1.1:UP
    Jun  3 14:09:31 ALPHA2 DECsafe: local HSM ***ALERT: HSM_NI_STATUS:192.168.1.2:UP
    Jun  3 16:16:22 ALPHA2 mountd[374]: startup
    Jun  3 16:16:26 ALPHA2 DECsafe: local HSM Warning: Can't ping ALPHA1 over the SCSI bus
    Jun  3 16:16:28 ALPHA2 DECsafe: local HSM ***ALERT: HSM_NI_STATUS:192.168.1.2:UP
    Jun  3 16:16:32 ALPHA2 DECsafe: local HSM Warning: Can't ping ALPHA1 over the network
    Jun  3 16:16:33 ALPHA2 DECsafe: local HSM ***ALERT: HSM_PATH_STATUS:192.168.1.1:DOWN
    Jun  3 16:16:33 ALPHA2 DECsafe: local HSM Warning: member ALPHA1 is DOWN
    Jun  3 16:19:35 ALPHA2 DECsafe: local HSM ***ALERT: HSM_PATH_STATUS:192.168.1.1:UP
    Jun  3 16:59:55 ALPHA2 mountd[374]: startup
    Jun  3 16:59:58 ALPHA2 DECsafe: local HSM Warning: Can't ping ALPHA1 over the SCSI bus
    Jun  3 17:00:01 ALPHA2 DECsafe: local HSM ***ALERT: HSM_NI_STATUS:192.168.1.2:UP
    Jun  3 17:00:05 ALPHA2 DECsafe: local HSM Warning: Can't ping ALPHA1 over the network
    Jun  3 17:00:06 ALPHA2 DECsafe: local HSM ***ALERT: HSM_PATH_STATUS:192.168.1.1:DOWN
    Jun  3 17:00:06 ALPHA2 DECsafe: local HSM Warning: member ALPHA1 is DOWN
    Jun  3 17:03:31 ALPHA2 DECsafe: local HSM ***ALERT: HSM_PATH_STATUS:192.168.1.1:UP

T.R Title User Personal
Name Date Lines

2109.1 Ideas NNTPD::"[email protected]" Dave Cherkus Wed Jun 04 1997 17:54 14

T.R	Title	User	Personal Name	Date	Lines
2109.1	Ideas	NNTPD::"[email protected]"	Dave Cherkus	`Wed Jun 04 1997 17:54`	14
	It could be hardware or software, although from what you are saying it sounds more like hardware. It would take an extremely large load for a very large time to make the software issues become a problem. Do you see any entries in the binary error log (use 'uerf' or 'dia' to investigate) at the same time as the entries in the kernel.log file? You could try increaing some of the ASE AM timer values as described in Chapter 1.2.5 of the V1.3 ASE Administration manual. This would raise the threshold that ASE uses to detect failures. Dave [Posted by WWW Notes gateway]

It could be hardware or software, although from what you are
saying it sounds more like hardware.  It would take an extremely
large load for a very large time to make the software issues
become a problem. Do you see any entries in the binary error 
log (use 'uerf' or 'dia' to investigate) at the same time as the 
entries in the kernel.log file?

You could try increaing some of the ASE AM timer values as
described in Chapter 1.2.5 of the V1.3 ASE Administration 
manual.  This would raise the threshold that ASE uses to
detect failures.

Dave
[Posted by WWW Notes gateway]