Channel Used in Rman

Hi,
What is Channel in RMAN Backup. What is the use of Channel In RMAN?
Thanks In Advance
Asit

asitkmohanty wrote:
Hi,
What is Channel in RMAN Backup. What is the use of Channel In RMAN?
An RMAN channel represents one stream of data to a device type, and corresponds to one server session. Most backup and recovery commands in RMAN are executed by server sessions. each channel establishes a connection from the RMAN client to a target or auxiliary database instance by starting a server session on the instance. The server session performs the backup, restore, and recovery
http://docs.oracle.com/cd/B14117_01/server.101/b10734/rcmconc1.htm#1012866

Similar Messages

How to programmatically read/write the range of a fieldpoint AI channel using LV

Is there a way to programmatically read/write the range of a fieldpoint AI channel using LV ? The example on NI site only permit you to have the name of the device and channels, not the actual set of the range of measure. Anybody has a VI (LV5.1 please)to share?
Thank you very much

If you are using the FieldPoint VI's (Open, Create Tag, Read, Write, Advise), you do not have the ability to change the range of a channel. If you have a FP-1000 or FP-1001, you can use the Optomux commands as described in the FP-1000/1001 Programmers Reference Manual (FieldPoint Optomux VI's are available at ftp://ftp.ni.com/support/fieldpoint/LVFPOpto/ ).
Alternatively, if you have an ethernet network module and LabVIEW 6i or later, you can use the ethernet configuration VI's that ship with FieldPoint Explorer 3.0.1.
Regards,
Aaron

Creation of new internal delivery channel using AQ

Hi,
I wanted to route one of Trading partner data to a different queue.(no want to use existing queues - IP_IN /IP_OUT queue).
This needs to create a new delivery channel using AQ in B2B.
I have gone thru the steps & entered all entries, but I am not able to find any queues created in B2B schema.
Do I need to create a queue using PL/SL in B2B to make it available as internal delivery channel or this setup itself will create a queue in B2B?
PFA the entirs:
for transport parameters
- transport server (B2B server IP)
- Protocol as AQ
-URI - b2b.<uri_name> (name of Queue, wanted to create)
- Hostname
- Port
-SID - b2b
-consumer - b2buser
- receiptient - null
-Polling interval - 6000
Transport server details:
Host name - (IP)
IP - Host IP
username -
Pswd - for B2B schema
Any pointers will be a great help.
Regards,
MS

As mentioned by TH in the above post, first thing is to create the data type that is used for messages - IP_MESSAGE_TYPE. This data type will already be present in the B2B database and could be reused.
For a new data type you could do the following.
==============================================================
Create a new data type using the following
==============================================================
create type IP_MSG_TYPE as OBJECT (
     MSG_ID VARCHAR2(128),
     INREPLYTO_MSG_ID VARCHAR2(128),
     FROM_PARTY VARCHAR2(512),
     TO_PARTY VARCHAR2(512),
     ACTION_NAME VARCHAR2(512),
     DOCTYPE_NAME VARCHAR2(512),
     DOCTYPE_REVISION VARCHAR2(512),
     MSG_TYPE INT,
     PAYLOAD CLOB,
     ATTACHMENT BLOB
Once you have created a new Data type ( or are reusing the existing data type), you need to create Queue Table that will hold the Outbound and Inbound message queues. The existing Queue table is "IP_QTAB" which can again be reused.
For new Queue table you could do the following
==============================================================
Create a new Queue Table using the following
==============================================================
execute dbms_aqadm.create_queue_table (     queue_table => 'MY_QTAB',
                         queue_payload_type => 'IP_MSG_TYPE',
                         multiple_consumers => FALSE);
If you need to reuse the datatype change the queue_payload_type to 'IP_MESSAGE_TYPE'.
Once we have the Queue Table that will hold the queues, we need to add and start the queues that are to be used for the inbound and outbound messages.
==============================================================
Create the new Queues into the Queue Table using the following
==============================================================
execute dbms_aqadm.create_queue (queue_name => 'B2B.MY_OUT_QUEUE', queue_table => 'B2B.MY_QTAB');
execute dbms_aqadm.create_queue (queue_name => 'B2B.MY_IN_QUEUE', queue_table => 'B2B.MY_QTAB');
execute dbms_aqadm.start_queue(queue_name => 'B2B.MY_OUT_QUEUE', dequeue => TRUE, enqueue => TRUE);
execute dbms_aqadm.start_queue(queue_name => 'B2B.MY_IN_QUEUE', dequeue => TRUE, enqueue => TRUE);
If you are reusing the queue table IP_QTAB for creation of new queues, then reference that for the queue_table in above commands.
You need to reference the queue_name eg. B2B.My_OUT_QUEUE in the B2B UI screen.
Hope this helps.
AKT

Error trying to call channel using accessor

Hello All,
Messages are failing while accessor is trying to call channel
Please help me figure out a fix for the problem. Hope that the following trace information helps.
<Trace level="1" type="T">Interface Mapping http://imprintlabs.com/I33A_Goods_Receipt/XI IM_A1_ZWMMBIDMASS01_to_SCPM_ZWMMBIDMASS01</Trace>
<Trace level="1" type="T">*** START APPLICATION TRACE ***</Trace>
<Trace level="1" type="T">ValueMapping Exception - List ID 44 not found in the Integration Directory Value Mapping Table.</Trace>
<Trace level="1" type="T">Turn on Logging.</Trace>
<Trace level="1" type="T">Hash is null - need to lookup values from DB</Trace>
<Trace level="1" type="T">Exception: trying to get System Accessor</Trace>
<Trace level="1" type="T">Exception: error trying to call channel using accessor</Trace>
<Trace level="1" type="T">Exception: error trying to call channel using accessor</Trace>
<Trace level="1" type="T">Exception: error trying to call channel using accessor</Trace>
<Trace level="1" type="T">Exception: error trying to call channel using accessor</Trace>
<Trace level="1" type="T">Exception: error trying to call channel using accessor</Trace>
<Trace level="1" type="T">Exception: error trying to call channel using accessor</Trace>
<Trace level="1" type="T">Exception: error trying to call channel using accessor</Trace>
<Trace level="1" type="T">Exception: error trying to call channel using accessor</Trace>
<Trace level="1" type="T">Exception: error trying to call channel using accessor</Trace>
<Trace level="1" type="T">Exception: error trying to call channel using accessor</Trace>
<Trace level="1" type="T">*** END APPLICATION TRACE ***</Trace>
<Trace level="1" type="T">Runtime exception occurred during execution of application mapping program com/sap/xi/tf/_MM_A1_ZWMMBIDMASS01_to_SCPM_ZWMMBIDMASS01_: com.sap.aii.utilxi.misc.api.BaseRuntimeException; RuntimeException in Message-Mapping transformation: Runtime exception during processing target field mapping /ZWMMBIDMASS01/IDOC/EDI_DC40/SERIAL. The message is: Exception:[java.lang.RuntimeException: stdLookup- Unable to get lookup values] in class
com.sap.xi.tf._MM_A1_ZWMMBIDMASS01_to_SCPM_ZWMMBIDMASS01_ method
Trace level="1" type="System_Error">Error exception return from pipeline processing!</Trace>
<Trace level="1" type="B" name="CL_XMS_MAIN-WRITE_MESSAGE_TO_PERSIST" />
- 
- <Trace level="1" type="B" name="interface activity determination">
<Trace level="1" type="T">Version 006</Trace>
<Trace level="1" type="T">Message status 012</Trace>
<Trace level="1" type="T">Interface action ARCH</Trace>
<Trace level="1" type="T">(must be INIT for a new determination)</Trace>
<Trace level="1" type="T">Set interface action ARCH into MAST</Trace>
</Trace>
</SAP:Trace>
regards,
Roshni

Hello Ramesh/Satish
The payload was processed and this time the message got through. The value mapping exception did occur, but it there was no System Accessor Error.
Trace level="1" type="T">*** START APPLICATION TRACE ***</Trace>
<Trace level="1" type="T">ValueMapping Exception - List ID 44 not found in the Integration Directory Value Mapping Table.</Trace>
<Trace level="1" type="T">Turn on Logging.</Trace>
<Trace level="1" type="T">Hash is null - need to lookup values from DB</Trace>
<Trace level="1" type="T">Content Type text/xml</Trace>
Although the problem has been resolved I still wonder what caused the accessor error.

Finding which channels uses which Queue names

Hi,
Does anybody know wether there Is a simple way in PI to see if several Communication Channels uses the same JMS Queue Connection Parameters.
I would like to be shure which channel will receive the message when I put in on the MQ queue.
So how - If possible at all, can I see if more than one CC has been set up with the same Connection Parameters ?
Thanks
Peter

Hi Peter,
Right now we donu2019t have that much options in PI to check how many JMS communication channels are using particular MQ.
We donu2019t have that facility in PI..
There is way to serch objects in PI by using menu..
Object  Find
And few advance search ..
But in your case I think you directly go to coomunication channel list which is there on left tree and go one by one for all JMS communication channel..
No other way..
Thanks,
Bhupesh

Continuous DAQ with multiple Channels using 6023E

I am trying to countinuously aquire data from 8 channels using a 6023E (without loosing data). For some reason it allways gives me error -10092. Meaning the card requires a certain time between each scan.
If i set the scan rate to something that works, I loose
data. Does anyone know how to do this right without loosing data whilst using double buffering or is this
not possible?
Thanks

Ok I got somehow further.
My problem was understanding the relationship between sampling rate and scanning rate.
with E series the sampling rate is not the max sampling rate for a given channel but the overall sampling rate for A/D conversion. Further more
in order to avoid error -10092 you have to set the
scan rate to be slower than the sample rate:
One way is scanrate=samplerate/(NumberofChannelsUsed+1)
why this is necessary, i dont know?
so if you get 2 channels rate divisor 1,2 yields
SampleRate Channel1= scanrate/1
SampleRate Channel1= scanrate/2
ie. samplerate=100000 (10kHz)
3 channelsUsed -> ScanRate=25000 (25kHz)
divisors for each channel 1,2,1
means
channel1 samplerate=25 kHz
channel2 samplerate=12,5 kHz
channel3 samplerate=25 kHz
w
ith this i get a what looks like a seamless aquisition from Halfbuffer to Halfbuffer.
But I am not sure if all i mentioned is correct?

How to view channels used by other local wireless networks?

I use a wireless airport network in my office, with my Airport Express (802.11g) base station about 10 feet from my iMac. I get a lot of interference (from other networks or cordless phones) and despite interference robustness being on, my airport signal gets dropped fairly often -- and with it, I lose my Internet access and wireless printer.
There are about 15 other local wireless networks (owned by other businesses). I thought I might improve my interference robustness by switching my wireless channel to a channel used by the least number of other networks.
Now, I seem to remember running into an (Apple) app somewhere that showed these local wireless networks with their channels. But now I can't find it again, so I can't tell which channel is least used. I hope someone can help me find that app or functionality again!
Thanks.

Thanks for the suggestion; I checked it out and found some questionable reviews on VersionTracker for iStumbler so I'm hesitant to jump right in (does it still fill up the Console log?)
In any case, I seem to remember finding channel information using some other application or preferences pane or something already on my system, but now I can't remember where. Is there any app that comes with OS X that shows channels on local wireless networks? I can't find this feature in Airport Utility.
Thanks for any assistance.

Help needed to debug Communication Channel using Seeburger modules

Hi ALL
Can you please, help debug the following communication channel using File adapter & seeBurger module.
Adapter Framework caught exception: I/O operation failed : java.lang.ClassNotFoundException: com.sap.engine.messaging.impl.spi.transport.PasswordCredentialImpl -
Loader Info -
ClassLoader name: [sap.com/com.sap.aii.af.app] Living status: alive Direct parent loaders: [system:Frame] [service:servlet_jsp] [service:ejb] [library:com.sap.xi.util.misc] [service:com.sap.aii.adapter.xi.svc] Resources: /usr/sap/KPX/DVEBMGS00/j2ee/cluster/apps/sap.com/com.sap.aii.af.app/EJBContainer/applicationjars/com.sap.aii.af.ejb.jar /usr/sap/KPX/DVEBMGS00/j2ee/cluster/apps/sap.com/com.sap.aii.af.app/servlet_jsp/AdapterFramework/root/WEB-INF/classes /usr/sap/KPX/DVEBMGS00/j2ee/cluster/apps/sap.com/com.sap.aii.af.app/servlet_jsp/AdapterFramework/root/WEB-INF/lib/com.sap.aii.af_api.jar -
Delivering the message to the application using connection File_http://sap.com/xi/XI/System failed, due to: com.sap.engine.interfaces.messaging.api.exception.MessagingException: com.sap.engine.services.rmi_p4.exception.P4BaseRuntimeException: I/O operation failed : java.lang.ClassNotFoundException: com.sap.engine.messaging.impl.spi.transport.PasswordCredentialImpl -
Loader Info -
ClassLoader name: [sap.com/com.sap.aii.af.app] Living status: alive Direct parent loaders: [system:Frame] [service:servlet_jsp] [service:ejb] [library:com.sap.xi.util.misc] [service:com.sap.aii.adapter.xi.svc] Resources: /usr/sap/KPX/DVEBMGS00/j2ee/cluster/apps/sap.com/com.sap.aii.af.app/EJBContainer/applicationjars/com.sap.aii.af.ejb.jar /usr/sap/KPX/DVEBMGS00/j2ee/cluster/apps/sap.com/com.sap.aii.af.app/servlet_jsp/AdapterFramework/root/WEB-INF/classes /usr/sap/KPX/DVEBMGS00/j2ee/cluster/apps/sap.com/com.sap.aii.af.app/servlet_jsp/AdapterFramework/root/WEB-INF/lib/com.sap.aii.af_api.jar
Your help is greatly appreciated!
Thank you,
Patrick

Hi Patrick,
It seems that your seeburger instalation was not successfull.
Try installing it again and make all the libraries are there.
Regards,
Luismier
Edited by: Luismier on Aug 26, 2009 10:57 PM
Edited by: Luismier on Aug 26, 2009 11:16 PM

I am measuring mV on 8 channels using 2 NI 9239's and want to find the mean of each channel

I'm using 2 NI 9239's to capture the voltages at 8 point on a test fixture. The voltages are very small (a few mV). I want to take an average of 1k samples from each channel and use these to calculate the resistivity of the sample under test.
What is the easiest method to precisely measure 8 channels?

Let's start from the beginning. Do you know how to read 1k samples from 8 channels using a single DAQmx Task? Once you have that, then use a FOR loop to do a mean on each channel's data.
There are only two ways to tell somebody thanks: Kudos and Marked Solutions
Unofficial Forum Rules and Guidelines

No audio from second Channel using Webcam Capture with ASIO source

I am trialing elements version 10 as I am looking for a capture / recording / editing solution for making music videos. I want to be able to record from my webcam and also record two audio streams silmutaneously.
I am using a logitech webcam pro 9000 and a line6 Ux2 Audio recording Sound device. The UX2 is an ASIO compatible device that allows two streams to be recorded; in my case guitar and Microphone for voice. I am able to do this in ASIO comaptible audio editing software.
So I have tried selecting the Audio device settings prior to starting a capture but each time I start a capture the audio device reverts to standard windows Realtek audio device. I then select the Line6 Device in the capture window and procede to record but I only get video and one audio channel. Is there a way to record live from webcam AND get both audio channels using ASIO driver?
Cheers
Greg

Only if your camcorder records in stereo. Otherwise, you will only get one channel of audio and you will need to use the Fill Left or Fill Right audio effect to spread the audio across both.

Does fibre channel use both ports on the same drive bay

I would like to know if Fibre Channel uses both of the fibre ports when they are connected to the same fibre channel drive bay. (dual port communication)

I would like to know if Fibre Channel uses both of the fibre ports when they are connected to the same fibre channel drive bay. (dual port communication)

[svn:bz-trunk] 21154: Made sure the long-polling channel uses the new unlimited persistent connection limit as well when there 's no known user agent.

Revision: 21154
Revision: 21154
Author:   [email protected]
Date:     2011-04-27 07:16:48 -0700 (Wed, 27 Apr 2011)
Log Message:
Made sure the long-polling channel uses the new unlimited persistent connection limit as well when there's no known user agent.
Modified Paths:
    blazeds/trunk/modules/core/src/flex/messaging/endpoints/BasePollingHTTPEndpoint.java

Remember that Arch Arm is a different distribution, but we try to bend the rules and provide limited support for them. This may or may not be unique to Arch Arm, so you might try asking on their forums as well.

How do I verify Direct NFS is being used by RMAN

I have a two node 11.2.0.2 RAC database running on AIX 6.1 TL6. We using NetApp storage for NFS. Direct NFS is configured using the /etc/oranfstab entries and the ODM libraries are loaded on each instance "Oracle instance running with ODM: Oracle Direct NFS ODM Library Version 3.0". Here are the contents of /etc/filesystems
/export:
dev = /vol/volnshr001_oraexport/oraexport
vfs = nfs
nodename = filer1
mount = true
options = rw,bg,hard,rsize=32768,wsize=32768,timeo=600,vers=3,proto=tcp,noac
account = false
/archivelogs:
dev = /vol/volnshr001_oraclearchive
vfs = nfs
nodename = filer1
mount = true
options = rw,bg,hard,rsize=32768,wsize=32768,timeo=600,vers=3,proto=tcp,noac
account = false
/archivelogs2:
dev = /vol/volnshr002_oraclearchive
vfs = nfs
nodename = filer2
mount = true
options = rw,bg,hard,rsize=32768,wsize=32768,timeo=600,vers=3,proto=tcp,noac
account = false
The oranfstab has the following entries:
server: filer1
path: 192.168.2.22
export: /vol/volnshr001_oraclearchive mount:/archivelogs
server: filer2
path: 192.168.2.23
export: /vol/volnshr002_oraclearchive mount:/archivelogs2
server: filer1
path: 192.168.2.22
export: /vol/volnshr001_oraexport/oraexport mount:/export
I tested if dNFS is being used by creating a tablespace on the NFS volumes and then querying v$dnfs_servers.
SQL> create tablespace dnfs_ts datafile '/archivelogs/tiboratst/tibuat/dnfs_ts_01.dbf' size 100M;
Tablespace created.
SQL> !
oracle@tibora30t[tibuat1]-/u01/oracle/11.2.0/dbhome_1/lib >ls -ltr /archivelogs/tiboratst/tibuat
total 24811120
-rw-r----- 1 oracle asmadmin 2896360960 Aug 18 17:59 1fmkanau_1_2
-rw-r----- 1 oracle asmadmin 2896360960 Aug 18 17:59 1fmkanau_1_1
-rw-r----- 1 oracle asmadmin 3377919488 Aug 18 17:59 1emkanau_1_2
-rw-r----- 1 oracle asmadmin 3377919488 Aug 18 17:59 1emkanau_1_1
-rw-r----- 1 oracle asmadmin 104865792 Aug 18 18:01 dnfs_ts_01.dbf
oracle@tibora30t[tibuat1]-/u01/oracle/11.2.0/dbhome_1/lib >exit
SQL> select * from v$dnfs_servers;
ID
SVRNAME
DIRNAME
MNTPORT NFSPORT WTMAX RTMAX
1
filer1
/vol/volnshr001_oraclearchive
4046 2049 65536 65536
The alert logs also displayed the following messages:
Direct NFS: channel id [0] path [192.168.2.22] to filer [filer1] via local [] is UP
Direct NFS: channel id [1] path [192.168.2.22] to filer [filer1] via local [] is UP log also displayed the following messages:
However, when I try to do an RMAN backup I'm not seeing any messages which indicate whether or not dNFS is being used. I tried to to a backup using the second mount (/archivelogs2) but the corresponding server (filer2) was not visible in v$dnfs_servers.
Is there any special configuration necessary for RMAN backups to use dNFS?
Thanks,
Leighton

Tiger install will take up 12gb if you don't go through and do a custom install and remove stuff that you don't need.
There is a program that you can download that tells you the size of each folder, get it here: http://www.macupdate.com/info.php/id/13006

Channel allocation in rman

hi to all...
i want to take backup my archived log files to existing disk itself....
so for that i need to allocate channel (i guess.....)
but whn i hit command
allocate chanel c1 type disk;
it gives error.....
i m using 11.1.0.6.0
how can i make rman to take backup of archived log file directly to some other location on the same disk apart from FRA.........
thnaks......

user13762949 wrote:
thanks you people have always been a good support to me........
now one more thing ...after i took backup of archive log file to some other location can i delete them so as to free up the space from archive log location....
thanks once aginAfter taking backup of archivelog then you can delete them from location but delete them using RMAN not manually.
If you deleted these from OS level manually then
crosscheck archivelog all;
delete expired archivelog all;

How can I optimally stream data to disk at 5 MS/s on 4 channels using a PCI-6110?

I am using a PCI-6110 to acquire data streaming from a camera. Data arrives on all four analog input channels at 5 MHz. An A2D clock is attached to PFI8, also originating from the camera and operating at 5 MHz. Finally, there is a Valid-data signal from the camera that signals when the data stream coming in on the four analog channels is actual data (each Validate pulse is about 132 samples wide). This is attached to PFI0. Ideally, I would like to have a program that captures data at the full rate and is correctly synchronized with the Valid-data line. It should also be able to stream to disk for several seconds at least before pausing for the buffer.
Though I'm something of an inexper
ienced programmer, I have attempted programs both in LabView and C (using DAQmx) to resolve this, but I have experienced much slower behavior than I'd like. In LabView, this seems to be the result of slow streaming to disk, such that I have to pause and reset the task every frame (132x512 samples per channel). Using DAQmx in C, I have found it necessary to restart the task after every line (132 samples per channel) in order to correctly trigger from the Validata pulse. Both are far from optimal. I would appreciate any advice that those of you with more experience reading at very high rates from this card may have to offer.
Thanks,
Steven Israel
Duke University

I'm not sure if I fully understand your application, but maybe some of these hints will help.
First your streaming to disk rate is going to vary widely depending on your system. Sometimes using a faster processor helps, but most of the time using a faster hard drive will give you the best performance increase.
Second, writing less data will often have a dramatic impact in streaming to disk applications. If you're reading back scaled data, I would strongly recommend switching to unscaled or raw reads and storing off the scaling constants so you can scale the data off line. This could reduce the required streaming to disk bandwidth by a factor of 4 alone.
Third, since the 6110 is a 12 bit device, you can try compressing two 12 bit samples into one 24 b
it piece of data. This will allow you to store in three bytes what used to take four.
Last, you might consider using your signal on PFI0 as a pause trigger. Depending on the frequency of the pulses on your Valid-data signal, this could significantly reduce the required bandwidth of both the PCI bus and your hard drive. However, since the 6110 uses pipelined ADCs, you need to be careful if the time between valid data pulses is greater than one millisecond. This would violate the minimum sampling frequency of the board and the points in the pipeline that are returned after unpausing (3 in this case) might not be digitized at the full accuracy specification for the device. Because of the pipelining, you also need to be careful how you correlate the data. The first time you unpause for the Valid-data pulse, the first three points will be garbage points. The second and subsequent times you unpause, the first three points are really the last three points from the previous Valid-dat
a pulse. See the Device Considerations->Timing chapter in the NI-DAQmx Help file for more information on timing considerations with pipelined ADCs.
I hope this information helps. Good luck!

Channel Used in Rman

Similar Messages

Maybe you are looking for