[Xen-API] XCP 1.6 BETA problem with pool-dump-database

[Black Bird <blackbird1758@xxxxxxxxx>]

Hi all

I have a pool of 3 hosts which I have upgraded from XCP1.1 to XCP Beta
2.  I have attempted to run a database backup using 'xe
pool-dump-database file-name=xxxx' on the pool master.  The command
runs and finishes successfully without returning an error.  A file is
also generated which is non-zero in length.  However when opening the
file, I don't see any metadata I would be expecting (host uuids, vifs,
vm uuids etc), but only some generic definitions.

I do have a previous pool database dump file taken on the master with
the old XCP version 1.1 and the file clearly contains all the metadata
and is 617KB long.

Following is a dump of the new file generated on the master with XCP
Beta 2, 864 bytes long.


<database><manifest><pair key="schema_major_vsn" value="5"/><pair
key="schema_minor_vsn" value="35"/><pair key="generation_count"
value="103"/></manifest><table name="SR" /><table name="pool" /><table
name="VBD_metrics"/><table name="console" /><table name="host"
/><table name="VIF_metrics"/><table name="user" /><table name="PBD"
/><table name="pool_patch" /><table name="host_metrics" /><table
name="VLAN" /><table name="Bond" /><table name="VTPM" /><table
name="event"/><table name="VBD" /><table name="VM_guest_metrics"
/><table name="VDI" /><table name="VM_metrics"/><table
name="task"/><table name="VM" /><table name="crashdump"/><table
name="network" /><table name="PIF" /><table name="host_patch"/><table
name="host_crashdump"/><table name="SM" /><table name="host_cpu"
/><table name="VIF" /><table name="session" /><table
name="PIF_metrics" /></database>

A dump on the other hosts produces exactly the same file, as expected
as the database is replicated from the master to the slaves as a
matter of course.

Following is a dump of the portion of xensource.log taken during
execution of the pool database dump:


Oct 31 12:37:45 xen1 xapi: [ info|xen1|24112 UNIX /var/xapi/xapi||cli]
xe pool-dump-database password=null file-name=pool-dump-database
username=root
Oct 31 12:37:45 xen1 xapi: [ info|xen1|24112 UNIX
/var/xapi/xapi|session.login_with_password D:6a0b6a3b5be0|xapi]
Session.create trackid=949de24d97b7ebe26d4b555dd6509e0b pool=false
uname=root is_local_superuser=true auth_user_sid=
parent=trackid=9834f5af41c964e225f24279aefe4e49
Oct 31 12:37:45 xen1 xapi: [debug|xen1|24112 UNIX
/var/xapi/xapi|session.login_with_password D:6a0b6a3b5be0|mscgen]
xapi=>xapi 
[label="<methodCall><methodName>session.get_uuid</methodName><params><param><value>OpaqueRef:69e50c5a-725e-a27d-b80e-cda7ce7d6a46</value></param><param><value>OpaqueRef:69e50c5a-725e-a27d-b80e-cda7ce7d6a46</value></param></params></methodCall>"];
Oct 31 12:37:45 xen1 xapi: [debug|xen1|24113 UNIX
/var/xapi/xapi||dummytaskhelper] task dispatch:session.get_uuid
D:d53ec83a4add created by task D:6a0b6a3b5be0
Oct 31 12:37:45 xen1 xapi: [debug|xen1|24113 UNIX
/var/xapi/xapi|dispatch:session.get_uuid D:d53ec83a4add|api_readonly]
session.get_uuid
Oct 31 12:37:45 xen1 xapi: [ info|xen1|24112 UNIX
/var/xapi/xapi|task.create D:ed79e10f9da2|taskhelper] task dump
database R:8a999bbaa423 (uuid:635e0674-1f79-5c22-b0ab-243ade6f6fca)
created (trackid=949de24d97b7ebe26d4b555dd6509e0b) by task
D:ed79e10f9da2
Oct 31 12:37:45 xen1 xapi: [debug|xen1|24112 UNIX /var/xapi/xapi||cli]
/pool/xmldbdump?session_id=OpaqueRef:69e50c5a-725e-a27d-b80e-cda7ce7d6a46&task_id=OpaqueRef:8a999bba-a423-c4a7-6173-6bade5afca8a
Oct 31 12:37:45 xen1 xapi: [debug|xen1|24114 INET
0.0.0.0:80||pool_db_sync] received request to write out db as xml
Oct 31 12:37:45 xen1 xapi: [ info|xen1|24114 INET
0.0.0.0:80||taskhelper] task dump database R:8a999bbaa423 forwarded
(trackid=949de24d97b7ebe26d4b555dd6509e0b)
Oct 31 12:37:45 xen1 xapi: [debug|xen1|24114 INET 0.0.0.0:80|dump
database R:8a999bbaa423|pool_db_sync] sending headers
Oct 31 12:37:45 xen1 xapi: [debug|xen1|24114 INET 0.0.0.0:80|dump
database R:8a999bbaa423|pool_db_sync] writing database xml
Oct 31 12:37:45 xen1 xapi: [debug|xen1|24114 INET 0.0.0.0:80|dump
database R:8a999bbaa423|pool_db_sync] finished writing database xml
Oct 31 12:37:45 xen1 xapi: [debug|xen1|24114 INET 0.0.0.0:80|dump
database R:8a999bbaa423|taskhelper] forwarded task destroyed
Oct 31 12:37:45 xen1 xapi: [debug|xen1|24112 UNIX /var/xapi/xapi||cli]
Waiting for the task to be completed
Oct 31 12:37:45 xen1 xapi: [debug|xen1|24112 UNIX
/var/xapi/xapi|dispatch:task.get_status D:9c36942a54e7|api_readonly]
task.get_status
Oct 31 12:37:45 xen1 xapi: [debug|xen1|24112 UNIX
/var/xapi/xapi|dispatch:task.get_status D:c88da02d77eb|api_readonly]
task.get_status
Oct 31 12:37:45 xen1 xapi: [debug|xen1|24112 UNIX
/var/xapi/xapi|dispatch:task.get_result D:4b68c1120f7c|api_readonly]
task.get_result
Oct 31 12:37:45 xen1 xapi: [debug|xen1|24112 UNIX /var/xapi/xapi||cli]
result was []
Oct 31 12:37:45 xen1 xapi: [ info|xen1|24112 UNIX
/var/xapi/xapi|session.logout D:0a377b2fbab2|xapi] Session.destroy
trackid=949de24d97b7ebe26d4b555dd6509e0b

Can anyone give an idea of what may be happening?

I do hope this is a specific configuration issue, as if it were a bug
it would probably be considered a showstopper for production use.

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