[HECnet] Asymmetric connectivity in a cluster
Johnny Billquist
bqt at softjar.se
Mon Apr 23 10:13:01 PDT 2018
On 23.04.18 02:14, dwe-6006 at philtest.org wrote:
> I agree with you, on the other hand they should be consistently the
> wrong thing in consistently the same way L
Who said they are acting differently?
The thing is, RODNEL *knows* who ADV1 is, but ADV1 does not know RODNEL,
and you cannot define RODNEL on ADV1 using NCP. You are using DECnet+...
Johnny
>
> --Dave
>
> *From:*Johnny Billquist [mailto:bqt at softjar.se]
> *Sent:* Sunday, April 22, 2018 7:11 PM
> *To:* hecnet at Update.UU.SE; dwe-6006 at philtest.org
> *Subject:* Re: [HECnet] Asymmetric connectivity in a cluster
>
> I haven't really looked at what this might be, but one reflection is
> that ncp is not really the right tool of you're running decnet+.
>
> Johnny
>
> dwe-6006 at philtest.org <mailto:dwe-6006 at philtest.org> skrev: (23 april
> 2018 01:01:28 CEST)
>
> I’m not sure that asymmetric is the correct description but I can’t
> think of a better term. I am using SIMH and I have a two node
> cluster (with a quorum disk) the two nodes have a common system disk.
>
> The two nodes are RODNEL (1.1) booting from SYS0 and ADV2 (1.3)
> booting from SYS2. Both are running DECnet Plus both are running
> Multinet for the IP stack. At one time there was also a node (never
> actually a member of the cluster called HCBVAX (1.2) it booted from
> SYS1 but it no longer exists.
>
> The nodes are connected over an Ethernet and the MAC addresses are
> the ones that I would expect AA-00-04-00-01-04 (1.1) and
> AA-00-04-00-03-04 (1.3) HCBVAX was AA-00-04-00-02-04 (1.2)
>
> I can login to RODNEL and “set host adv2” with no problem, I can
> login to ADV2 and “set host rondel” with no problem. On each of the
> nodes I can “show cluster” and I see what I expect to see with no
> errors. While logged in to RODNEL the command “moni cluster” works
> fine. While logged in to ADV2 the wheels seem to fall off the bus –
> “show cluster” is fine but “moni cluster” isn’t Any help would be
> appreciated. This is the information that I have gathered so far (I
> am not happy with the forwarding address in the error message from
> “moni proc” on ADV2 which seems to arise from RODNEL
>
> --Dave
>
> View of Cluster from system ID 1027 node: ADV2
> 22-APR-2018 22:24:50
>
> +-----------------------------+
>
> ¦ SYSTEMS ¦ MEMBERS ¦
>
> +-------------------+---------¦
>
> ¦ NODE ¦ SOFTWARE ¦ STATUS ¦
>
> +--------+----------+---------¦
>
> ¦ ADV2 ¦ VMS V7.3 ¦ MEMBER ¦
>
> ¦ RODNEL ¦ VMS V7.3 ¦ MEMBER ¦
>
> +-----------------------------+
>
> ^Z
>
> $
>
> $ moni cluster
>
> %MONITOR-I-ESTABCON, establishing connection to remote node(s)...
>
> %%%%%%%%%%% OPCOM 22-APR-2018 22:24:56.75 %%%%%%%%%%%
>
> Message from user SYSTEM on RODNEL
>
> Event: Address Unreachable PDU Discard from: Node LOCAL:.RODNEL Routing,
>
> at: 2018-04-22-23:24:56.740-04:00Iinf
>
> Discard Reason=Destination Addrs Unknown,
>
> Source Address=49::00-01:AA-00-04-00-03-04:21,
>
> Forwarding Address=49::00-01:AA-00-04-00-02-04:21
>
> eventUid FC95D640-467B-11E8-99E1-AA0004000104
>
> entityUid 5683CC80-467B-11E8-8004-AA0004000104
>
> streamUid 5A113900-467B-11E8-8004-AA0004000104
>
> Still on ADV2 - NCP is odd as well:
>
> $ mcr ncp
>
> NCP>sho exec char
>
> Node Volatile Characteristics as of 22-APR-2018 22:31:17
>
> Executor node = 1.3 (ADV2)
>
> Identification = DECnet-OSI for OpenVMS
>
> Management version = V4.0.0
>
> Incoming timer = 0
>
> Outgoing timer = 0
>
> NSP version = V4.1.0
>
> Maximum links = 0
>
> Delay factor = 0
>
> Delay weight = 0
>
> Inactivity timer = 0
>
> Retransmit factor = 0
>
> Routing version = V2.0.0
>
> Type = nonrouting IV
>
> Routing timer = 0
>
> Subaddresses = 0
>
> Broadcast routing timer = 0
>
> Maximum address = 0
>
> Maximum circuits = 0
>
> Maximum cost = 0
>
> Maximum hops = 0
>
> Maximum visits = 0
>
> Maximum area = 0
>
> Max broadcast nonrouters = 0
>
> Max broadcast routers = 0
>
> Maximum path splits = 0
>
> Area maximum cost = 0
>
> Area maximum hops = 0
>
> Maximum buffers = 0
>
> Segment buffer size = 0
>
> Buffer size = 0
>
> Pipeline quota = 0
>
> Alias maximum links = 0
>
> Path split policy = Normal
>
> Maximum Declared Objects = 0
>
> NCP>show know nodes
>
> Known Node Volatile Summary as of 22-APR-2018 22:31:29
>
> Executor node = 1.3 (ADV2)
>
> State = on
>
> Identification = DECnet-OSI for OpenVMS
>
> NCP>def node rodnel
>
> Node address (1.1-63.1023): 1.1
>
> Node name (1-6 characters): rodnel
>
> NCP>set node rodnel all
>
> %NCP-W-UNRCMP, Unrecognized component
>
> NCP>set node rodnel
>
> Node address (1.1-63.1023): 1.1
>
> Node name (1-6 characters): rodnel
>
> %NCP-W-UNRCMP, Unrecognized component , Node
>
> NCP>exit
>
> Whereas RODNEL seems happier:
>
> NCP>sho exec char
>
> Node Volatile Characteristics as of 22-APR-2018 20:15:29
>
> Executor node = 1.1 (RODNEL)
>
> Identification = DECnet-OSI for OpenVMS
>
> Management version = V4.0.0
>
> Incoming timer = 0
>
> Outgoing timer = 0
>
> NSP version = V4.1.0
>
> Maximum links = 0
>
> Delay factor = 0
>
> Delay weight = 0
>
> Inactivity timer = 0
>
> Retransmit factor = 0
>
> Routing version = V2.0.0
>
> Type = nonrouting IV
>
> Routing timer = 0
>
> Subaddresses = 0
>
> Broadcast routing timer = 0
>
> Maximum address = 0
>
> Maximum circuits = 0
>
> Maximum cost = 0
>
> Maximum hops = 0
>
> Maximum visits = 0
>
> Maximum area = 0
>
> Max broadcast nonrouters = 0
>
> Max broadcast routers = 0
>
> Maximum path splits = 0
>
> Area maximum cost = 0
>
> Area maximum hops = 0
>
> Maximum buffers = 0
>
> Segment buffer size = 0
>
> Buffer size = 0
>
> Pipeline quota = 0
>
> Alias maximum links = 0
>
> Path split policy = Normal
>
> Maximum Declared Objects = 0
>
> NCP>sho kno node
>
> Known Node Volatile Summary as of 22-APR-2018 20:15:37
>
> Executor node = 1.1 (RODNEL)
>
> State = on
>
> Identification = DECnet-OSI for OpenVMS
>
> Node State Active Delay Circuit Next node
>
> Links
>
> 1.3 (ADV2) 1.1
> (RODNEL)
>
> NCP>sho node adv2 char
>
> Node Volatile Characteristics as of 22-APR-2018 20:16:02
>
> Remote node = 1.3 (ADV2)
>
> Service password = 0000000000000000
>
>
> --
> Skickat från min Android-enhet med K-9 Mail. Ursäkta min fåordighet.
>
--
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
email: bqt at softjar.se || Reading murder books
pdp is alive! || tryin' to stay hip" - B. Idol
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