Home » Infrastructure » Linux » Oracle garbage files in RH Linux on Hyper-V not on Xen (Red Hat Linux 5.4 on Hyper-V Win2008-R2)
Oracle garbage files in RH Linux on Hyper-V not on Xen [message #525663] Tue, 04 October 2011 08:38 Go to next message
johans
Messages: 3
Registered: March 2008
Location: Brussels
Junior Member
Hi all,

I just wanted to draw to your attention all the garbage we're seeing in the filesystems on a Linux machine running under Hyper-V.
On almost all Linux VMs running in Hyper-V we have similar garbage in different directories as:

-rw------ 1 oracle oinstall 0 Aug 5 04:09 1F14P13nax
-rw ----- 1 oracle oinstall 0 Aug 3 03:57 3HIONRUrgD
-rw------ 1 oracle oinstall 0 Sep 15 13:05 4xoxMHsqOG


We're not seeing the same on Xen virtualized VMs.

The files do not take up much space but I would be interested to know where this comes from.

Kind regards,

Johans
Re: Oracle garbage files in RH Linux on Hyper-V not on Xen [message #525671 is a reply to message #525663] Tue, 04 October 2011 10:26 Go to previous messageGo to next message
ThomasG
Messages: 3211
Registered: April 2005
Location: Heilbronn, Germany
Senior Member
One interesting bit of information would be in which directory those files appear.
Re: Oracle garbage files in RH Linux on Hyper-V not on Xen [message #525756 is a reply to message #525671] Wed, 05 October 2011 03:35 Go to previous messageGo to next message
johans
Messages: 3
Registered: March 2008
Location: Brussels
Junior Member
Hi,

I have found them for example in:

1. /tmp ... holding small files telling me "Response From Agent: running"

2. /appldata/oracle/product/agent11g .... these contain info related to Oracle as for example:

[root@tmp]# cat Xc3SfVWlNS
LSNRCTL for Linux: Version 11.2.0.2.0 - Production on 01-OCT-2011 06:10:56

Copyright (c) 1991, 2010, Oracle. All rights reserved.

Welcome to LSNRCTL, type "help" for information.

LSNRCTL> Connecting to (ADDRESS=(PROTOCOL=TCP)(HOST=S-OLAF-VPROD237.olaf.cec.eu.int)(PORT=1523))
STATUS of the LISTENER
------------------------
Alias listener_11g
Version TNSLSNR for Linux: Version 11.2.0.2.0 - Production
Start Date 16-SEP-2011 14:42:10
Uptime 14 days 15 hr. 28 min. 46 sec
Trace Level off
Security ON: Local OS Authentication
SNMP ON
Listener Parameter File /appldata/oracle/product/11.2.0.2/network/admin/listener.ora
Listener Log File /appldata/oracle/diag/tnslsnr/S-OLAF-VPROD237/listener_11g/alert/log.xml
Listening Endpoints Summary...
(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=S-OLAF-VPROD237)(PORT=1523)))
Services Summary...
Service "ADONISA" has 2 instance(s).
Instance "ADONISA", status UNKNOWN, has 1 handler(s) for this service...
Instance "ADONISA", status READY, has 1 handler(s) for this service...
Service "ADONISX" has 1 instance(s).
Instance "ADONISX", status UNKNOWN, has 1 handler(s) for this service...
Service "BUDGETA" has 2 instance(s).
Instance "BUDGETA", status UNKNOWN, has 1 handler(s) for this service...
Instance "BUDGETA", status READY, has 1 handler(s) for this service...
Service "CMSA" has 2 instance(s).
Instance "CMSA", status UNKNOWN, has 1 handler(s) for this service...
Instance "CMSA", status READY, has 1 handler(s) for this service...
Service "CMSFEA" has 2 instance(s).
Instance "CMSFEA", status UNKNOWN, has 1 handler(s) for this service...
Instance "CMSFEA", status READY, has 1 handler(s) for this service...
Service "CMSX" has 2 instance(s).
Instance "CMSX", status UNKNOWN, has 1 handler(s) for this service...
Instance "CMSX", status READY, has 1 handler(s) for this service...
Service "COINSA" has 2 instance(s).
Instance "COINSA", status UNKNOWN, has 1 handler(s) for this service...
Instance "COINSA", status READY, has 1 handler(s) for this service...
Service "DEVITA" has 2 instance(s).
Instance "DEVITA", status UNKNOWN, has 1 handler(s) for this service...
Instance "DEVITA", status READY, has 1 handler(s) for this service...
Service "DEVITAXDB" has 1 instance(s).
Instance "DEVITA", status READY, has 1 handler(s) for this service...
Service "NDPOA" has 1 instance(s).
Instance "NDPOA", status UNKNOWN, has 1 handler(s) for this service...
Service "PDCMA" has 2 instance(s).
Instance "PDCMA", status UNKNOWN, has 1 handler(s) for this service...
Instance "PDCMA", status READY, has 1 handler(s) for this service...
Service "THORA" has 2 instance(s).
Instance "THORA", status UNKNOWN, has 1 handler(s) for this service...
Instance "THORA", status READY, has 1 handler(s) for this service...
Service "TMSA" has 2 instance(s).
Instance "TMSA", status UNKNOWN, has 1 handler(s) for this service...
Instance "TMSA", status READY, has 1 handler(s) for this service...
Service "emrep" has 1 instance(s).
Instance "emrep", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully

We don't find such files in RH Linux on Xen; only on Hyper-V

Shocked

Regards,

Johan


Re: Oracle garbage files in RH Linux on Hyper-V not on Xen [message #525818 is a reply to message #525756] Wed, 05 October 2011 11:35 Go to previous messageGo to next message
ThomasG
Messages: 3211
Registered: April 2005
Location: Heilbronn, Germany
Senior Member
That seems to be log files of the Oracle Grid Agent. Are the machines where the files appear by any chance in a grid and the machines where they don't appear are single machine instances?

Re: Oracle garbage files in RH Linux on Hyper-V not on Xen [message #526007 is a reply to message #525818] Fri, 07 October 2011 10:30 Go to previous messageGo to next message
johans
Messages: 3
Registered: March 2008
Location: Brussels
Junior Member
No the devide is between the RH Linux 5.4 machines on Hyper-V (where we see that kind files) and RH Linux 5.4 machines on Xen (where we don't see those filess).
Re: Oracle garbage files in RH Linux on Hyper-V not on Xen [message #526011 is a reply to message #526007] Fri, 07 October 2011 11:34 Go to previous message
ThomasG
Messages: 3211
Registered: April 2005
Location: Heilbronn, Germany
Senior Member
That difference can't be the reason, though. The reason must be in a somewhat different Oracle install.
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