Chapter 8. Managing Replication

Error/Symptom

Reason

Impact

Remedy

 

 

 

 

Replica has a

specified at the

not replicate any data

it occurs before the

different generation

beginning of this

to the consumer.

consumer is

ID than the local data

message has not

 

initialized. Otherwise,

 

been (successfully)

 

reinitialize the

 

initialized yet, or it

 

consumer if the

 

was initialized from a

 

message is

 

different root supplier.

 

persistent. In a

 

 

 

multi-master

 

 

 

environment, all the

 

 

 

servers should be

 

 

 

initialized only once

 

 

 

from a root supplier,

 

 

 

directly or indirectly.

 

 

 

For example, M1

 

 

 

initializes M2 and M4,

 

 

 

M2 then initializes

 

 

 

M3, and so on. The

 

 

 

important thing to

 

 

 

note is that M2 must

 

 

 

not start initializing

 

 

 

M3 until M2's own

 

 

 

initialization is done

 

 

 

(check the total

 

 

 

update status from

 

 

 

the M1's Console or

 

 

 

M1 or M2's error log).

 

 

 

Also, M2 should not

 

 

 

initialize M1 back.

 

 

 

 

Warning: data for

This message may

The server will not be

Check the disk space

replica's was

appear only when a

able to send the

and the possible core

reloaded, and it no

supplier is restarted.

changes to a

file (under the

longer matches the

It indicates that the

consumer if the

server's logs

data in the

supplier was unable

consumer'smaxcsn

directory). If this is a

changelog.

to write the changelog

no longer exists in the

single-master

Recreating the

or did not flush out its

server's changelog.

replication, reinitialize

changelog file. This

RUV at its last

 

the consumers.

could affect

shutdown. The former

 

Otherwise, if the

replication with

is usually because of

 

server later complains

replica's consumers,

a disk-space problem,

 

that it can't locate

in which case the

and the latter

 

some CSN for a

consumers should be

because a server

 

consumer, see if the

reinitialized.

crashed or was

 

consumer can get the

 

ungracefully shut

 

CSN from other

 

down.

 

suppliers. If not,

 

 

 

 

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HP UX Red Hat Direry Server Software manual Error/Symptom Reason Impact Remedy