Help required for disabling RAC ethernet

Hi Guys!
We want to test Oracle RAC having 2 nodes on Windows platform.
We are testing the worst scanerio by disabling the ethernet cards on one of the node of RAC
Just want to know if we should disable "Public" ethernet or "Private" ethernet on node 2 of the RAC please?
Or disabling both ethernets on node 2 are required
Thanks

Just a sidenote:
11.2.0.2 introduced a concept of "Rebootless node fencing".
This especially handles the loss of interconnect in 11.2.0.2:
In most cases only the processes will be killed, and then the clusterstack will get restarted in the event of loss of the interconnect.
Only if the killing of I/O processes is not successfull (or takes to long) then the cluster restart will get escalated to a node reboot.
Just checked... wonder why this is not in the new feature section....
Sebastian

Similar Messages

S/W & H/W requirement for Oracle9i RAC on Win 2003

Dear Sir,
I have Windows 2003 & Oracle 9i Ent S/W in place. I want to implement a 2 NODE RAC for loadbalance & also want to have Dataguard with it for DR. Please let me know what all S/W & what type of H/W are required for implementing this setup. Please let me know where i can reduce the cost since the budget is restricted.
Thanks & Regards.

Hi Aryanadonis ,
Thanks for posting here
According what you mentioned, I thought system can’t located command programs path when you perform this command .
Seems that you can perform these command with assign path, what I thought is this issue occurred because wrong environment variable setting.
I noticed that you have posted the Environment Variable result here, I checked and highlight wrong values that could cause this issue. please correct it and try perform
command again.
C:\WINDOWS;
C:\WINDOWS\system32;
C:\WINDOWS\system32\\wbem;
C:\PROGRA~1\CSCOpx\objects\smarts\lib;
C:\PROGRA~1\CSCOpx\objects\smarts\bin;
C:\PROGRA~1\CSCOpx\campus\bin;
C:\PROGRA~1\CSCOpx\MDC\tomcat\bin;
C:\PROGRA~1\CSCOpx\MDC\Apache;
C:\PROGRA~1\CSCOpx\MDC\Apache\bin;
C:\PROGRA~1\CSCOpx\MDC\jre\bin;
C:\PROGRA~1\CSCOpx\MDC\bin;
C:\PROGRA~1\CSCOpx\lib\jre\bin\server;
C:\PROGRA~1\CSCOpx\objects\db\win32;
C:\PROGRA~1\CSCOpx\bin;
C:\WINDOWS\system32\\wbems\smarts\binPROGRA~1\CSCOpx\MDC\ApacheOGRA~1\CSCOpx\lib\jre\bin\serverCOpx\lib\jrebin\serveremRoot%\System32\Wbem;
C:\Other Programs\net snmp\bin
This article below introduce how to modify environment variables in windows XP , but you may also reference to it and modify environment variable on you windows 2003:
How To Manage Environment Variables in Windows XP
http://support.microsoft.com/kb/310519
Thanks.
Tiger Li
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

Hardware requirement for a RAC

Hi,
I want to create a 11.2 RAC with only one node.
I will add a new node in the future.
I've available a netapp for the shared storage (ASM).
So I need to buy only the server.
The requirement is that the server has 4 network devices (2 for public and 2 for interconnect in bond) 10Gbit
1 fiber channel to connect the storage and what else?
Need I buy the switch if I config only one node?
what's missing? exclude ram and cpu...
Thanks

Yes, to implement RAC hardware is required.
>what's missing?
A power cord is required for each device.

Veritas required for Oracle RAC on Sun Cluster v3?

Hi,
We are planning a 2 node Oracle 9i RAC cluster on Sun Cluster 3.
Can you please explain these 2 questions?
1)
If we have a hardware disk array RAID controller with LUNs etc, then why do we need to have Veritas Volume Manager (VxVM) if all the LUNS are configured at a hardware level?
2)
Do we need to have VxFS? All our Oracle database files will be on raw partitions.
Thanks,
Steve

> We are planning a 2 node Oracle 9i RAC cluster on Sun
Cluster 3.Good. This is a popular configuration.
Can you please explain these 2 questions?
1)
If we have a hardware disk array RAID controller with
LUNs etc, then why do we need to have Veritas Volume
Manager (VxVM) if all the LUNS are configured at a
hardware level?VxVM is not required to run RAC. VxVM has an option (separately
licensable) which is specifically designed for OPS/RAC. But if
you have a highly reliable, multi-pathed, hardware RAID platform,
you are not required to have VxVM.
2)
Do we need to have VxFS? All our Oracle database
files will be on raw partitions.No.
IMHO, simplify is a good philosophy. Adding more software
and layers into a highly available design will tend to reduce
the availability. So, if you are going for maximum availabiliity,
you will want to avoid over-complicating the design. KISS.
In the case of RAC, or Oracle in general, many people do use
raw and Oracle has the ability to manage data in raw devices
pretty well. Oracle 10g further improves along these lines.
A tenet in the design of highly available systems is to keep
the data management as close to the application as possible.
Oracle, and especially 10g, are following this tenet. The only
danger here is that they could try to get too clever, and end up
following policies which are suboptimal as the underlying
technologies change. But even in this case, the policy is
coming from the application rather than the supporting platform.
-- richard

Help required for unicode compatibilty

Dear All,
We are in a process of analyzing the impact of unicode compatibility for our environment.
Following is our scenario:
- ECC6.0 is non unicode systsem
- Need to buid unicode CRM 7, SCM 7, PI 7.1 and BI7
- Need to integrate the above systems to non unicode ECC system.
Our questions are :
1. Is there any performance consideration when using communication between an Unicode and non-Unicode system?
Is Unicode - Unicode faster than Unicode - non-Unicode communication performance wise?
2. Do we face any technical or functinal problems while trying to integrate
unicode BI/ NW Java Stack to non unicode systems.
3. Do we need to review our sizing estimations due to unicode implemenation?
5. what will be the storage consumption increase for unicode systems compared to non unicode?
It would be greatly helpful for me if you can clarify these doubts.
Thanks and Regards

Hi,
1. I think no one has really measured this. I expect a slightly higher requirement for Unicode <--> Non-Unicode interfaces.
2. Please have a look at SAP Notes 838402, 73606, 975768 and 1358929 for restrictions in Non-Unicode systems. SAP highly recommends to go for Unicode in the whole landscape.
3. and 5. If you use the SAP quicksizer (http://service.sap.com/quicksizing), then Unicode is integrated.
" Please note that the Quick Sizer results include Unicode requirements. For more
information on additional requirements caused by Unicode, see
http://service.sap.com/unicode -> Unicode Media Library -> Unicode information on
specific topics: SAP Business Suite Unicode Hardware Requirements"
Best regards,
Nils Buerckel
SAP AG

Help Required for format drives on SAN

Hello Guys,
We want to create new RAC database in the currently Oracle 11g R1 environment. We already have a RAC databases having 2 instances. Each instance is on separate nodes
Network/system administrator has provided additional storage which currently can’t be seen through MyComputer on Windows
Looking the drives from Windows Computer Management from node 1 and while trying to format and could be seen in Windows MyComputer, the primary partition option in select partition type is disable. Only logical drive partition could be selected
Whereas while drive from Windows Computer Management from node 2 and while trying to format. The primary partition option could be selected.
My current understanding is we need to format the drive using primary partition option only for Oracle RAC.
Please guide me
Thanks

Any suggestion?

SYSTEM HARDWARE REQUIREMENT FOR ORACLE RAC +ORACLE GRID INFRASTRUCTURE

Hi Guru's,
Can anyone of you explain me what exactly the system H/W requirement for Installing Oracle 11gR2 Grid Infrastructure along with Oracle RAC.
I already have 8GB RAM,i3 Processor.

If you like to install RAC on vmware, this 8gb memory enough. you can allocate 2gb for one node and also other. So total 4GB enough for RAC installation.
Refer
Oracle 11gR2 two node Real application cluster installation step by step guide on linux using VMware Server | DBA

PCUI 4.0, Search Help Required for New field

Hi everyone
I am working in CRM 4.0 Sales Order application
We created a new field in CRM sales Order in Header level in SAP GUI through EEWB.
The search help for the new field is working fine in SAP GUI. We want to add the same field with F4 help functionaliity in PCUI as well.
The field has been added in structure CRMT_BSP_SLS_OD1_General. It also shows domain value for the field however Origin of input field ie empty
The field has been added in PCUI and is successfully showing data inputted in SAPGUI
However we need search help functionality for the field
i tried these two steps
1) i checked on domain value checkbox and changed the field from input to dropdown. However the dropdown is empty in PCUI. Whenever i check box domain values for some field then all the possible values in SPA GUI are displayed in PCUI, however this is not working here.
2) I put Value_table in F4 of the field
This is also throwing up empty values
Am i missing something in this case
Please let me know how to go about it
TIA
Asad

Hi Frederic
Thanks for your response
I am not sure what is meant by regenerating the field group in this case
I added the entries for my view in the field group and generated the layout of the field group (If this is what you mean)
The field is working fine. I am able to save values to the field and able to see values saved in GUI.
I haven't linked search help of the field in PCUI
I am not sure how to go about it.
I used the data element in the structure for the field.
The data element has Domain entry in <b>Entry Help/Check</b> of the structure
If i check the Domain Value checkbox in my field group then the domain values should be available in dropdown if the field is dropdown
However i am not able to see the possible values of the field (It is present in SAP GUI)
Does something else needs to be done in this case
TIA
Asad

Seeburger help required for 810 and Dispatch Advice (IDOC type DESADV).

Hi All,
1. Please let me know blogs which clearly shows settings for Seeburger components for 850 (Purchase Order) to IDOC Scenario
--- Seeburger Workbench
--- Seeburger Mapping Designer (BIC)
--- Seeburger Counter and Varaibles
--- Seeburger AS2 Spoke
--- Any other Seeburger Component setting required
I have understand blog for 850 -- /people/rajeshkumar.pasupula/blog/2009/08/05/wanna-implement-seeburger-for-edi-find-the-booster
2. Anybody has blog for 810 or Dispatch Advice (IDOC type DESADV).
3. Can anybody provide me Mapping Logic (at field level) done in XI/PI for 850, 810 , Dispatch Advice (IDOC type DESADV) .
Regards

Hi Rickkk,
1. Please let me know blogs which clearly shows settings for Seeburger components for 850 (Purchase Order) to IDOC Scenario
--- Seeburger Workbench
--- Seeburger Mapping Designer (BIC)
--- Seeburger Counter and Varaibles
--- Seeburger AS2 Spoke
--- Any other Seeburger Component setting required
For SEEBURGER workbench please go through this blog and navigate the enbebbed links furthur to know about Seeburger workbench too.
/people/prateek.srivastava3/blog/2009/08/01/seeburger--part-1--the-basics
2
2. Anybody has blog for 810 or Dispatch Advice (IDOC type DESADV).
For 810 i think the procedure would be the same but themseeburger mapping program that validates the ANSX 810 would be different.As far as 997is concerned 997 is a functional acknowledgement.Its a genric format that is used to send acknowledgement for any EDI transaction set that has been sent.
3. Can anybody provide me Mapping Logic (at field level) done in XI/PI for 850, 810 , Dispatch Advice (IDOC type DESADV) .
The logic will be based on the trading partner guidelines which will contain the description of all the semantic and syntactiic description about the segments ,its feilds.we need to consider the guidelines and target side specifications too while mapping.
Thanks,
Ram.

Help required for RAC backup

Hello Support,
We have Oracle 11g R1 RAC enviornement on Windows 2003 Enterprise.
We want to take full database backup to restore in case of any failure.
We are planning to install Oracle on single instance to different hardware and location having same windows.
I appreciate to have proper steps for analysis please.
Currently what are considering are;
- Shutdown RAC database
- Copy control/datafile/redo log files
- paste to other hardware
- using Oracle configuration manager to create template for the existing RAC database.
please add further steps for anaylsis
Thanks

Copy the Cold Backup.
Startup one instance of the database.
And that's it. You are DONE.
If you want to do a cleaner job you can also
Disable the second instance (thread) and then drop the Redo Log Groups of that thread on the Single Node after you have copied the Cold Backup.
I agree with your customer and disagree with the other posters in this thread. A Cold Backup Restore is much much easier than an RMAN Duplicate.
The documentation, unfortunately, covers scenarios where you delete an ORACLE_HOME and/or a Node from an existing RAC Cluster :
http://download.oracle.com/docs/cd/B28359_01/rac.111/b28254/adddelwin.htm#CHDFAEJB
See the ALTER DATABASE commands : DISABLE INSTANCE and DROP LOGFILE clauses.
http://download.oracle.com/docs/cd/B28359_01/server.111/b28286/statements_1004.htm#i2079942
Do these only the the second database server where you copy the Cold Backup.
Do NOT DO NOT DO NOT DO NOT do anything on the actual RAC environment !!
Hemant K Chitale

Help required for temporary removing node 2 from the cluster

Hi Support,
There are some hardware issues on node 2 of 11g RAC cluster and vendor going to fix it;
We want to make node 2 not available until they fix it;
The user will continue with node 1 of the cluster;
Following are the current status of the site and I'm considering to perform the folowing task
while the folllowing command from node 1, i got the following output
D:\srvctl status database –d EPVAL
Instance epval1 is running on node corskmaps001
Instance epval2 is running on node corskmaps001
D:\srvctl status database –d EPPROD
Instance epprod1 is running on node corskmaps001
Instance epprod2 is running on node corskmaps001
I made the following steps in chorological order; I appreciate if someone can correct me if I made any mistake or add/amend/update as per requirement.
Assuming corskmaps002 is our passive mode which will be taken away by HP for hardware checking;
srvctl stop instance –d EPPROD -i EPPROD2
srvctl stop instance –d EPVAL -i EPVAL2
srvctl stop listerner_corskmaps002 –n corskmaps002
srvctl stop nodeapps -n corskmaps002
Do we require stopping service also once we stop the instance? Following are the commands if your answer is yes;
srvctl stop service -d EPROD -i EPPROD2
srvctl stop service -d EPVAL -i EPVAL2
srvctl disable service -d EPPROD -s EPPROD2
srvctl disable service -d EPVAL -s EPVAL2
I appreciate help
Thanks

Hi Bjoern,
I agree with you, very valid point, thanks for that;
Just for clarification, do you thing the sequence should be like this?
********disable command to start with***********
srvctl disable service -d EPPROD -s EPPROD2
srvctl disable service -d EPVAL -s EPVAL2
*********than instance stop commad**********
srvctl stop instance –d EPPROD -i EPPROD2
srvctl stop instance –d EPVAL -i EPVAL2
************than listener stopping command********
srvctl stop listerner_corskmaps002 –n corskmaps002
*************than node stopping command*********
srvctl stop nodeapps -n corskmaps002
*********do we also require stopping of the service ?>***************************
Do we require stopping service also once we stop the instance? Following are the commands if your answer is yes;
srvctl stop service -d EPROD -i EPPROD2
srvctl stop service -d EPVAL -i EPVAL2
Can you please eleborate further
Then, you also might want to add '-o transactional' or "transactional local" to the
instance stop command so that running transactions are not affected by this.
Thanks

Help required for Page Customization test

Hello all,
Could anyone assist with a test on Page Customizations? I am interested in testing a specific Page Customization on Version 7 (any SP) or Version 9 (pre SP5).
Test case:
1. Create a Page Customization on MasterAgreement (or any other business document with Document Links) as follows:
2. Check effect in Master Agreement (requirement is to check if Add/Delete buttons have been disabled by the PageCust)
I think that this type of Page Customization was working in either 7 or 9 but we don't have any instance to check.
Any help would be highly appreciated.
Regards,
Bogdan

Hello Bogdan,
I tried to reproduce it in a 7.0 system and I still see the Add button enabled on the Doc Links collection. I believe this was the behavior all along. My understanding is that this is on product management backlog for consideration for a future release.
Regards,
Vikram

Help required for Concurrent program parameters

Hi All,
I have a Concurrent program which has the following set of parameters.
From Project Number
To Project Number
From Org
To Org
We dont want to make any of these mandatory, but we have a condition that either of the two sets must be entered i.e. before submitting we have to validate that either From Project Number/To Project Number parameter set is populated or From Org/To Org parameter set is populated.
If someone could help me with this it would be a great help.
Regards,
Shruti

Hi Shruti;
What is your OS and EBS level?
Please check below:
Setup for Defined Concurrent Program with Parameters - SQL Script
How to enable/disable parameters in concurrent program dependent prev. para
Concurrent Program with conditionally required parameters
Need to do validation while entering concurrent program parameters
If those are not help,please try to look [this search|http://forums.oracle.com/forums/search.jspa?threadID=&q=Concurrent+program+parameters+&objID=f475&dateRange=all&userID=&numResults=15]
Also check http://download-uk.oracle.com/docs/cd/A60725_05/html/comnls/us/fnd/progde04.htm and this
Hope it helps
Regard
Helios

Help! Urgent help required for adjusting image

Hi - hoping someone can help.
I sent the attached PDF - http://www.sensecreative.co.uk/custUploads/SENSE-36-7977-95928/77317/SENSE-36-7977-95928-7 7317-2440.zip - to print with Sense Creative. The cards were printed and they've turned out quite visibly green on the reverse (where it should be white).
I've printed the artwork on several printers I have access to and it looks as it should, however SC are saying that the issue is with the artwork
"The green tinge you see on the reverse of these cards is prevalent in the artwork. The makeup of the background is approximately c-15 m-11 y-15 k-0. the predominant levels of the yellow and cyan will give you the green tint. Upping the levels of the artwork in or substituting the cyan, magenta and yellow levels with more black in Photoshop will likely give you the result you require. We are satisfied that in both instances, the artwork has printed correctly and the colours are well within tolerance given the nature of the artwork."
So, I'm in a bit of a pickle as the cards are needed for an event next week.
How do I change the image levels? Or are they talking nonsense and trying to pass the buck?
Help!

station_two,
Acrobat View> Tools> Print Production> Output Preview: Object Inspector will call out the objects' profiles if you click on each one individually (in this case all appeaar to be "Device CMYK" or Untagged CMYK)
untagged CMYK has the same pitfalls as untagged RGB... if one applys or assumes the wrong SOURCE PROFILE it doesn't CONVERT colors to Monitor RGB or Print Space correctly

Urgent help required for network configuration

sir
i have a mixed scenario right now.
I have only three computer on home network.
1.vista accer travelmate 4720 laptop loaded with vista sp1 ultimate
2.normal pc : Core2 duo with XFX ATI REDION graphics card and this pc is loaded with OEL 5.3.x linux but this pc has 2 NICs(eth 0,eth 1) I have connected both with a switch and the switch is connected to a modem for internet.can I use one NIC as private and another NIC as public to access internet?
3. normal pc : P4 HT and its loaded with win xp sp2 having eth 0
how to set my network.
I have connected each NIC with a D-Link switch.And the D-Link switch is connected with DataOne Nokia Siemens network c2110 modem.
But problems are that
1) each time i can connect only one PC at a time.
2)OEL 5.3.x is not connected to the specified modem ever....by [adsl seup|http://forums.oracle.com/forums/thread.jspa?threadID=832112&tstart=0] command.should i configure it during installation?is there any easy shell scriot avilable to do this stuff?
please help as soon as you can.......
regards
Edited by: mango_boy on Sep 7, 2009 4:44 AM

ifconfig output:
eth1      Link encap:Ethernet HWaddr FE:FF:FF:FF:FF:FF
          inet6 addr: fe80::fcff:ffff:feff:ffff/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:1 errors:0 dropped:0 overruns:0 frame:0
          TX packets:38 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:243 (243.0 b) TX bytes:9406 (9.1 KiB)
          Interrupt:16 Base address:0xec00
lo        Link encap:Local Loopback
          inet addr:127.0.0.1 Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING MTU:16436 Metric:1
          RX packets:3779 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3779 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:6124500 (5.8 MiB) TX bytes:6124500 (5.8 MiB)
virbr0    Link encap:Ethernet HWaddr 00:00:00:00:00:00
          inet addr:192.168.122.1 Bcast:192.168.122.255 Mask:255.255.255.0
          inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:28 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b) TX bytes:8360 (8.1 KiB)
xenbr0    Link encap:Ethernet HWaddr 00:00:00:00:00:00
          UP BROADCAST RUNNING NOARP MTU:1500 Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)adsl-setup output
[root@localhost ~]# adsl-setup
Welcome to the ADSL client setup. First, I will run some checks on
your system to make sure the PPPoE client is installed properly...
LOGIN NAME
Enter your Login Name (default root): kris_9929
INTERFACE
Enter the Ethernet interface connected to the ADSL modem
For Solaris, this is likely to be something like /dev/hme0.
For Linux, it will be ethX, where 'X' is a number.
(default eth0): eth1
Do you want the link to come up on demand, or stay up continuously?
If you want it to come up on demand, enter the idle time in seconds
after which the link should be dropped. If you want the link to
stay up permanently, enter 'no' (two letters, lower-case.)
NOTE: Demand-activated links do not interact well with dynamic IP
addresses. You may have some problems with demand-activated links.
Enter the demand value (default no):
DNS
Please enter the IP address of your ISP's primary DNS server.
If your ISP claims that 'the server will provide dynamic DNS addresses',
enter 'server' (all lower-case) here.
If you just press enter, I will assume you know what you are
doing and not modify your DNS setup.
Enter the DNS information here: server
PASSWORD
Please enter your Password:
Please re-enter your Password:
USERCTRL
Please enter 'yes' (three letters, lower-case.) if you want to allow
normal user to start or stop DSL connection (default yes): yes
FIREWALLING
Please choose the firewall rules to use. Note that these rules are
very basic. You are strongly encouraged to use a more sophisticated
firewall setup; however, these will provide basic security. If you
are running any servers on your machine, you must choose 'NONE' and
set up firewalling yourself. Otherwise, the firewall rules will deny
access to all standard servers like Web, e-mail, ftp, etc. If you
are using SSH, the rules will block outgoing SSH connections which
allocate a privileged source port.
The firewall choices are:
0 - NONE: This script will not set any firewall rules. You are responsible
          for ensuring the security of your machine. You are STRONGLY
          recommended to use some kind of firewall rules.
1 - STANDALONE: Appropriate for a basic stand-alone web-surfing workstation
2 - MASQUERADE: Appropriate for a machine acting as an Internet gateway
                for a LAN
Choose a type of firewall (0-2): 1
Start this connection at boot time
Do you want to start this connection at boot time?
Please enter no or yes (default no):no
** Summary of what you entered **
Ethernet Interface: eth1
User name:          xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Activate-on-demand: No
DNS addresses:      Supplied by ISP's server
Firewalling:        STANDALONE
User Control:       yes
Accept these settings and adjust configuration files (y/n)? y
Adjusting /etc/sysconfig/network-scripts/ifcfg-ppp0
Adjusting /etc/ppp/chap-secrets and /etc/ppp/pap-secrets
(But first backing it up to /etc/ppp/chap-secrets.bak)
(But first backing it up to /etc/ppp/pap-secrets.bak)
Congratulations, it should be all set up!
Type '/sbin/ifup ppp0' to bring up your xDSL link and '/sbin/ifdown ppp0'
to bring it down.
Type '/sbin/adsl-status /etc/sysconfig/network-scripts/ifcfg-ppp0'
to see the link status.Edited by: mango_boy on Sep 7, 2009 9:02 AM
added adsl setup output
Edited by: mango_boy on Sep 7, 2009 9:15 AM

Help required for disabling RAC ethernet

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