08-27-2012
Thank you for your response.
The application runs on a database which is multiple 100GB big and resides on one node only for now. The nodes are either on a local area network or wide area network and are idle the vast majority of the time. Almost all nodes are multi-core machines and currently do not have a database. In other words, the nodes could be put to good use if they had easy access to the data (for instance by having its own partition or LUN) or data is sent across via http (which is likely to be detrimental to performance, as I/O becomes the bottleneck).
Putting the logical partitions on each of the nodes seems like a fruitful route, given that the results are no more than a few GB in size. At the same time, it also seems fairly rigid, because if one of the nodes is down, the system needs to be aware that the missing results will need to be recalculated somewhere else.
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LEARN ABOUT ULTRIX
addnode
addnode(8) System Manager's Manual addnode(8)
Name
addnode - add or change an entry in the nodes database
Syntax
/etc/addnode node [ options ]
Description
The command adds a new node entry to the nodes database or modifies an existing entry. The nodes database is the one used by DECnet. The
command defines the information that is necessary for your ULTRIX node to be capable of down-line loading and up-line dumping a particular
target node. The node address is the address of the target node. If the target node is a DECnet node, then the node address is mandatory
and the node name is optional. However, if the target node is a non-DECnet node, for example, a terminal server, you should specify only
the node name and omit the node address.
If you do not specify an absolute pathname for secondary load, tertiary load, system load, diagnostic load, or dump file, the default path,
is used during the load or dump process.
A node address is a decimal integer in the range of 1 to 1023 for single area networks, or has the format a.n for multiarea networks, where
a is the network area number (a decimal integer in the range of 1 to 63) and n is the node number (a decimal integer in the range of 1 to
1023).
The node name is the node name of the target node.
If the target node is a DECnet node, the node name is optional. However, if the target node is a non-DECnet node, for example, a terminal
server, the node name is mandatory (and the node address should be ignored).
A node name can be from 1 to 6 alphanumeric characters, including at least 1 alphabetic character.
Options
-A Uses the specified host address (next argument) as that of the target node.
-D Creates an up-line memory dump of the target node in the specified file (next argument).
-N Uses the specified name (next argument) as that of the target node.
-c Uses the specified service and device number (UBA-n or QNA-n) as the circuit to the target node.
-d Sends the specified diagnostic load image (next argument) to the target node.
-h Uses the specified address (next argument) as the Ethernet address of the target node.
-l Sends the specified system load image (next argument) to the target node.
-p Uses the specified service and password (next arguments) in accessing the target node.
-s Sends the specified secondary load file (next argument) to the target node.
-t Sends the specified tertiary load file (next argument) to the target node.
Examples
% /etc/addnode mynode -h aa-00-03-00-01-19 <RET>
-s /usr/download/secondary <RET>
-t /usr/download/tertiary <RET>
-l system <RET>
This command adds the non-DECnet, node mynode, to the nodes database, which has the Ethernet physical address aa-00-03-00-01-19. This com-
mand also specifies the file names for the secondary loader, the tertiary loader, and the system loader. Note that a path name is not
specified for the system loader; consequently, the loader uses the default path when searching for that file.
# /etc/addnode 44.71 -h aa-00-03-00-01-20 <RET>
This command adds the DECnet node 44.71 to the nodes database, which has the Ethernet physical address aa-00-03-00-01-20.
See Also
ccr(8), getnode(8), load(8), mop_mom(8), remnode(8), trigger(8)
addnode(8)