Multiple ASM Instances on single node
Hi All,
After going through some threads it seems to me that multiple ASM instances on a node is not supported and recommended by ORACLE but i coudn't find any ORACLE document or support matrix mentioning this. Can any one give me a pointer to this. Please correct me if i am wrong and Multiple ASM instances are fully supported by ORACLE.
Thanks,
Multiple ASM instances on a single node are supported but not recommended due to several issues you could encounter during that kind of configuration.
Possible interraction between those instances for identification of each disk area usage,each disk area permissions , database instance to asm instance mapping and so on, could result in unwanted behaviour, as ASM is in some way just oracle's representation of LVM.
Intention is that any kind of distinction/separation of oracle related data under the ASM should be done through the disk groups.
So it seems it would be better to apply this kind of logic rather than doing suspiciously magical and rare configurations that could bring you similiary strange and unexpected problems.
Similar Messages
-
Can there be multiple ASM instances on single node?
Hi,
Can there be multiple ASM instances on single node?
This one says No : http://www.freelists.org/archives/oracle-l/02-2008/msg00317.html
And This one says Yes : http://www.databasejournal.com/features/oracle/article.php/3571371
Thanks in advance.
Thanks,
Harsha
Edited by: user498756 on Sep 11, 2008 2:23 AM...that document doesnt say you cannot have multiple ASM instances on a node. It says "...ASM, +you only need one ASM+ instance for that computer, to manage the two database instances that use ASM."
The fact that you only need one - and I cannot think of a good reason to have more than one - does not preclude the fact that you do seem to be able to have multiple ASM instances on a single node, each looking after its own set of disks and diskgroups.
Again - I cannot think of a good reason to do so though!
-Bob -
Multiple ASM instances using single cluster install - Is it possible??
Hi,
I have 2 node RAC cluster installed on Linux. All the storage is on EMC. I need to setup another environment using HP storage on the same hosts. Is it possible to created second ASM instance using the same cluster install?? I wanted to have clear separation b/w EMC and HP environments and that's wondering if it's feasible to do that.
Haven't tried it yet to see if it complains.
Thx
AnithaAnitha,
The data migration won't happen (at least not aggressively) until you do step 2 in your list where you remove the EMC disks. That removal operation will take a long time as Oracle will have to move the data before it can complete the operation. If you want to be sure, I'd recommend creating a new disk group with one of your new disks, put a small tablespace in it, create some data in it, then add a disk to that new group and remove the original disk. Then you'll have some confidence in the procedure and verify that it works without risking your production data. After you test, you can drop the disk group and use the disks for their intended purposes.
To answer your question, yes, that's the process exactly as I suggested it above. Should work fine--but will probably take a while to do the remove, so be prepared to leave that running for quite a while (i.e. don't expect to close the terminal and go home right after running the remove).
Dan -
Multiple ASM instances on a single node
Can i have multiple ASM instances on a single node? This is to have each instance supporting different environment dev,stage etc
Thanks
SannidhiI had been discussing the same issue with someone from Oracle. I asked for multiple ASMs on a server so that we could have seperate ASMs running for, say, 10g and 11g.
He explained that we should think of ASM as being the same as Veritas FileSystem. We don't run multiple instances of Veritas on our servers. On single Veritas "instance" (set of drivers) provides all the Veritas Fx mountpoints on the server. Similarly, there should be only 1 ASM instance on a server.
(substitute UFS or ZFS or CFS for Veritas in the above example and you still have only 1 filesystem manager on a server providing one type of filesystem, although you could have, say , UFS and Veritas co-exist ; just as you could have Veritas, ASM and Raw co-exist on a server).
Hemant K Chitale
Edited by: Hemant K Chitale on Sep 29, 2009 11:50 AM -
ASM instance on one node can not startup
use dbca create database failure
[oracle@rac1 ~]$ dbca -silent -responseFile /home/oracle/dbca.rsp
Look at the log file "/opt/ora/product/10.2.0/db_1/cfgtoollogs/dbca/mydb.log" for further details.
[oracle@rac1 ~]$ cat "/opt/ora/product/10.2.0/db_1/cfgtoollogs/dbca/mydb.log"
PRKS-1009 : Failed to start ASM instance "+ASM2" on node "rac2", [CRS-0215: Could not start resource 'ora.rac2.ASM2.asm'.]
ORA-03135: connection lost contact
[oracle@rac2 bin]$ ./crs_stat -t
Name Type Target State Host
ora....SM1.asm application ONLINE ONLINE rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE OFFLINE
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2so i try to start asm instance on rac2
[oracle@rac2 bin]$ ./srvctl start asm -n rac2
PRKS-1009 : Failed to start ASM instance "+ASM2" on node "rac2", [PRKS-1009 : Failed to start ASM instance "+ASM2" on node "rac2", [rac2:ora.rac2.ASM2.asm:
rac2:ora.rac2.ASM2.asm:SQL*Plus: Release 10.2.0.1.0 - Production on Mon Jul 25 17:58:21 2011
rac2:ora.rac2.ASM2.asm:
rac2:ora.rac2.ASM2.asm:Copyright (c) 1982, 2005, Oracle. All rights reserved.
rac2:ora.rac2.ASM2.asm:
rac2:ora.rac2.ASM2.asm:Enter user-name: Connected to an idle instance.
rac2:ora.rac2.ASM2.asm:
rac2:ora.rac2.ASM2.asm:SQL> ORA-03113: end-of-file on communication channel
rac2:ora.rac2.ASM2.asm:SQL> Disconnected
rac2:ora.rac2.ASM2.asm:
CRS-0215: Could not start resource 'ora.rac2.ASM2.asm'.]]
[PRKS-1009 : Failed to start ASM instance "+ASM2" on node "rac2", [rac2:ora.rac2.ASM2.asm:
rac2:ora.rac2.ASM2.asm:SQL*Plus: Release 10.2.0.1.0 - Production on Mon Jul 25 17:58:21 2011
rac2:ora.rac2.ASM2.asm:
rac2:ora.rac2.ASM2.asm:Copyright (c) 1982, 2005, Oracle. All rights reserved.
rac2:ora.rac2.ASM2.asm:
rac2:ora.rac2.ASM2.asm:Enter user-name: Connected to an idle instance.
rac2:ora.rac2.ASM2.asm:
rac2:ora.rac2.ASM2.asm:SQL> ORA-03113: end-of-file on communication channel
rac2:ora.rac2.ASM2.asm:SQL> Disconnected
rac2:ora.rac2.ASM2.asm:check the alert log find
Mon Jul 25 17:58:23 2011
Maximum Tranmission Unit (mtu) of the ether adapter is different
on the node running instance 1, and this node.
Ether adapters connecting the cluster nodes must be configured
with identical mtu on all the nodes, for Oracle.
Please ensure the mtu attribute of the ether adapter on all
nodes are identical, before running Oracle.
Mon Jul 25 17:58:23 2011
Errors in file /opt/ora/admin/+ASM/bdump/+asm2_lmon_29711.trc:
ORA-27550: Target ID protocol check failed. tid vers=%d, type=%d, remote instance number=%d, local instance number=%d
LMON: terminating instance due to error 27550
Mon Jul 25 17:58:25 2011
Shutting down instance (abort)
License high water mark = 0
Mon Jul 25 17:58:28 2011
Instance terminated by LMON, pid = 29711
Mon Jul 25 17:58:30 2011
Instance terminated by USER, pid = 29831and i checked my eth
[root@rac1 oracle]# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:0C:29:3C:42:0C
inet addr:192.168.40.102 Bcast:192.168.40.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:9762 errors:0 dropped:0 overruns:0 frame:0
TX packets:6028 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1193646 (1.1 MiB) TX bytes:1037252 (1012.9 KiB)
Interrupt:67 Base address:0x2400
eth0:1 Link encap:Ethernet HWaddr 00:0C:29:3C:42:0C
inet addr:192.168.40.201 Bcast:192.168.40.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:67 Base address:0x2400
eth1 Link encap:Ethernet HWaddr 00:0C:29:3C:42:16
inet addr:10.10.17.221 Bcast:10.10.17.225 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:30185 errors:0 dropped:0 overruns:0 frame:0
TX packets:37936 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:19988844 (19.0 MiB) TX bytes:35126056 (33.4 MiB)
Interrupt:51 Base address:0x2480
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:52537 errors:0 dropped:0 overruns:0 frame:0
TX packets:52537 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:4380651 (4.1 MiB) TX bytes:4380651 (4.1 MiB)
[root@rac2 ~]# ifconfig -a
eth0 Link encap:Ethernet HWaddr 00:0C:29:9C:CC:90
inet addr:192.168.40.103 Bcast:192.168.40.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:3665 errors:0 dropped:0 overruns:0 frame:0
TX packets:1489 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:563952 (550.7 KiB) TX bytes:243127 (237.4 KiB)
Interrupt:67 Base address:0x2400
eth0:1 Link encap:Ethernet HWaddr 00:0C:29:9C:CC:90
inet addr:192.168.40.202 Bcast:192.168.40.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
Interrupt:67 Base address:0x2400
eth1 Link encap:Ethernet HWaddr 00:0C:29:9C:CC:9A
inet addr:10.10.17.222 Bcast:10.10.17.225 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:38281 errors:0 dropped:0 overruns:0 frame:0
TX packets:29683 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:35182270 (33.5 MiB) TX bytes:19905266 (18.9 MiB)
Interrupt:51 Base address:0x2480
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:44387 errors:0 dropped:0 overruns:0 frame:0
TX packets:44387 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2299383 (2.1 MiB) TX bytes:2299383 (2.1 MiB)any idea ?
i try to run dbca on rac2 ,it seems OK
============
ASM instance still have problem,no ASM instance create in rac1
[oracle@rac2 bin]$ ./crs_stat -t
Name Type Target State Host
ora.mydb.db application ONLINE ONLINE rac1
ora....b1.inst application ONLINE OFFLINE
ora....b2.inst application ONLINE ONLINE rac2
ora....SM1.asm application ONLINE OFFLINE
ora....C1.lsnr application ONLINE ONLINE rac1
ora....C2.lsnr application ONLINE OFFLINE => ora.rac1.LISTENER_RAC2.lsnr (i do not know where this resource come from ??)
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2and here is my dbca.rsp file content
[GENERAL]
RESPONSEFILE_VERSION = "10.0.0"
OPERATION_TYPE = "createDatabase"
[CREATEDATABASE]
GDBNAME = "mydb.us.oracle.com"
SID = "mydb"
NODELIST=rac1,rac2
TEMPLATENAME = "/home/oracle/mydb.dbc"
SYSPASSWORD = "Myss123456"
SYSTEMPASSWORD = "Myss123456"
EMCONFIGURATION = "NONE"
DBSNMPPASSWORD = "Myss123456"
STORAGETYPE=ASM
DISKLIST=/dev/oracleasm/disks/VOL1,/dev/oracleasm/disks/VOL2
DISKGROUPNAME=ORADG
REDUNDANCY=EXTRENAL
DISKSTRING="/dev/oracleasm/disks/*"
ASM_SYS_PASSWORD="Myss123456"
LISTENERS = "listener1 listener2"Edited by: 859340 on 2011-7-24 下午7:23
Edited by: 859340 on 2011-7-24 下午7:32
Edited by: 859340 on 2011-7-24 下午7:35
Edited by: 859340 on 2011-7-24 下午7:51Hi,
Use this tech note on MOS.
*Instance Crash on startup with ORA-27550: Target ID protocol check failed [ID 730516.1]*
Regards,
Levi Pereira -
Failed to start ASM instance "+ASM1" on node "rac1"
I have a problem, because when I start RAC and write command crs_stat -t
column State have 2 wrong parameter..
Name Type Target State Host
ora.....CRM.cs application ONLINE ONLINE rac2
ora....db1.srv application ONLINE ONLINE rac2
ora.devdb.db application ONLINE ONLINE rac2
ora....b1.inst application ONLINE OFFLINE
ora....b2.inst application ONLINE ONLINE rac2
ora....SM1.asm application ONLINE UNKNOWN rac1
ora....C1.lsnr application ONLINE ONLINE rac1
ora.rac1.gsd application ONLINE ONLINE rac1
ora.rac1.ons application ONLINE ONLINE rac1
ora.rac1.vip application ONLINE ONLINE rac1
ora....SM2.asm application ONLINE ONLINE rac2
ora....C2.lsnr application ONLINE ONLINE rac2
ora.rac2.gsd application ONLINE ONLINE rac2
ora.rac2.ons application ONLINE ONLINE rac2
ora.rac2.vip application ONLINE ONLINE rac2
When I try
srvctl start asm -n rac1 then is wrong:
PRKS-1009 : Failed to start ASM instance "+ASM1" on node "rac1", [PRKS-1009 : Failed to start ASM instance "+ASM1" on node "rac1", [CRS-1028: Dependency analysis failed because of:
CRS-0223: Resource 'ora.rac1.ASM1.asm' has placement error.]]
[PRKS-1009 : Failed to start ASM instance "+ASM1" on node "rac1", [CRS-1028: Dependency analysis failed because of:
CRS-0223: Resource 'ora.rac1.ASM1.asm' has placement error.]]
and when I try start instance manualy then
PRKP-1001 : Error starting instance devdb1 on node rac1
CRS-1028: Dependency analysis failed because of:
CRS-0223: Resource 'ora.devdb.devdb1.inst' has placement error.
:( Where is my problem??hi, i have exactly the same error
but your suggestions of remove an recreate the asm resource not working
./srvctl remove asm -n dbs2 -i +ASM2 -f
PRKS-1023 : Failed to remove CRS resource for ASM instance "+ASM2" on node "dbs2", [CRS-0214: Could not unregister resource 'ora.dbs2.ASM2.asm'.]
./srvctl start asm -n dbs2
PRKS-1009 : Failed to start ASM instance "+ASM2" on node "dbs2", [PRKS-1009 : Failed to start ASM instance "+ASM2" on node "dbs2", [CRS-1028: Dependency analysis failed because of:
CRS-0223: Resource 'ora.dbs2.ASM2.asm' has placement error.]]
[PRKS-1009 : Failed to start ASM instance "+ASM2" on node "dbs2", [CRS-1028: Dependency analysis failed because of:
CRS-0223: Resource 'ora.dbs2.ASM2.asm' has placement error.]]
how do i proceed?
iam using solaris 10 with t2000 and t5210 server and oracle 10.2.0.4 -
Cloning a RAC environment using ASM to a single node.
Hi partners,
I would like to know if, there is any procedure to clone a RAC environment with Ebusiness Suite using ASM, OMF and raw devices to a single node database?
I know, it can reached using Rapid Clone, but I would like to know, what are the needed steps to clone the database which is using ASM and raw devices, I am thinking to recrate manually the controlfiles.
Also, I think that I will need to clone firstable the ASM instance, and then try to clone the database.
I have looking at Metalink, but I haven't found any Note about that.
Any advice or help will be really appreciated.
Thanks in advance.
Kind regards,
Francisco Mtz.RAC,Grid,ASM etc doubts/quiries can be answered in the relevent Oracle forums.
Please redirect your post in the following forums.
http://forums.oracle.com/forums/category.jspa?categoryID=140
Regards,
Sabdar Syed. -
ASM instances on 2 node Oracle RAC 10g r2 on Red Hat 4 u1
Hi all
I'm experiencing a problem in configuring diskgroups under +ASM instances on a two node Oracle RAC.
I followed the official guide and also official documents from metalink site, but i'm stuck with the visibility of asm disks.
I created fake disks on nfs with Netapp certified storage binding them to block device with the usual trick "losetup /dev/loopX /nfs/disk1 " ,
run "oracleasm createdisk DISKX /dev/loopX" on one node and
"oracleasm scandisks" on the other one.
With "oracleasm listdisks" i can see the disks at OS level in both nodes , but , when i try to create and mount diskgroup in the ASM instances , on the instance on which i create the diskgroup all is well, but the other one doesn't see the disks at all, and diskgroup mount fails with :
ERROR: no PST quorum in group 1: required 2, found 0
Tue Sep 20 16:22:32 2005
NOTE: cache dismounting group 1/0x6F88595E (DG1)
NOTE: dbwr not being msg'd to dismount
ERROR: diskgroup DG1 was not mounted
any help would be appreciated
thanks a lot.
AntonelloI'm having this same problem. Did you ever find a solution?
-
Asm instances on single system
Hi ,
How many ASM instance can reside on one single machine.....Hi,
Only one ASM instance can run on a server.
Mahir -
Multiple Database Instances on Single Server and effect of NLS_LANG
What is the effect of the NLS_LANG registry setting on a Windows server that is to host multiple database instance each created with a different database character set ? The server needs to support data in the following languages : Thai, Chinese Traditional, Chinese Simplified, Vietnamese and Korean. Selecting the Unicode character set(AL32UTF8) is not an option since the application is not Unicode complaint.
My understanding is that as long as NLS_LANG is set correctly on the client connecting to the particular database instance then the data will be stored correctly - is this correct ?
What should NLS_LANG be set to on the server if there are multiple oracle instances with different character sets ?My question is not in relation to connecting to the database on the server itself but with regards to client connections. What I need to know is what is the effect of the NLS_LANG setting in the registry on a server that has multiple databases each created with a different character set ?
Say for instance, the server has two databases - one created with the character set ZHS16GBK and the other created with the character set JA16SJIS and NLS_LANG is set to SIMPLIFIED CHINESE_CHINA.ZHS16GBK in the registry on the server. Will Japanese data that is inserted into the database that has character set JA16SJIS be stored correctly when it is inserted from a client with NLS_LANG set to JAPANESE_JAPAN.JA16SJIS even though NLS_LANG is set to SIMPLIFIED CHINESE_CHINA.ZHS16GBK on the server ? -
Multiple BI instances on single BI Server
Hello,
I want to know if we can have multiple instances of BI run on single installation
i.e on single installation
I would like to run two different rpds and two different webcatalogs.
Can this be done?
If this can be done does oracle support this kind of installation?
Regards,
DeepHi,
Technically, I think you can run two mutually exclusive services on one server. You need an web application layer for managing like OC4J, weblogic, etc wherein you deploy two instance of presentation services with different port and each of these have DSN to different RPD's. I doubt you will be able to run on an IIS server (web layer).
As far with the support, I think oracle supports single instance of Presentation services, but check with your oracle sales person on that.
Regards,
Bharath -
Multiple oracle instances in single SLD
Hi
There is requirement from management that they need a seperate database in the present SLD (DEV,QAS,PRD). Since they plan to move this database in future to another SLD. I have gone through some SAP notes that u can have multiple SAP systems and underlying databases on a single host. Also I noted that u need to have a seperate transport directory.
My doubt is since SAP SID requires a Database SID during the installation. So how this new database can be incorporated in the present system.
If any white papers,pitfalls are highly appreciated.
ThanksHi Erick
It is the same oracle version i.e 9i rel.2. we need a seperate oracle insance. My concern is even though u installed a new database making it available in the present DEV,QAS,PRD is a problem. How the existing Dialog instances will recognise this new oracle instance.
what i came to know from the documents is that u need to have a seperate SAP systems and underlying the new database is quite possible and u need to take care of sizing. I searched on the net but couldn't find a similar scenario.
Any other inputs are higly appreciated.
Thanks -
Multiple databases/instances on 4-node RAC Cluster including Physical Stand
OS: Windows 2003 Server R2 X64
DB: 10.2.0.4
Virtualization: NONE
Node Configuration: x64 architecture - 4-Socket Quad-Core (16 CPUs)
Node Memory: 128GB RAM
We are planning the following on the above-mentioned 4-node RAC cluster:
Node 1: DB1 with instanceDB11 (Active-Active: Load-balancing & Failover)
Node 2: DB1 with instanceDB12 (Active-Active: Load-balancing & Failover)
Node 3: DB1 with instanceDB13 (Active-Passive: Failover only) + DB2 with instanceDB21 (Active-Active: Load-balancing & Failover) + DB3 with instanceDB31 (Active-Active: Load-balancing & Failover) + DB4 with instance41 (Active-Active: Load-balancing & Failover)
Node 4: DB1 with instanceDB14 (Active-Passive: Failover only) + DB2 with instanceDB22 (Active-Active: Load-balancing & Failover) + DB3 with instanceDB32 (Active-Active: Load-balancing & Failover) + DB4 with instance42 (Active-Active: Load-balancing & Failover)
Note: DB1 will be the physical primary PROD OLTP database and will be open in READ-WRITE mode 24x7x365.
Note: DB2 will be a Physical Standby of DB1 and will be open in Read-Only mode for reporting purposes during the day-time, except for 3 hours at night when it will apply the logs.
Note: DB3 will be a Physical Standby of a remote database DB4 (not part of this cluster) and will be mounted in Managed Recovery mode for automatic failover/switchover purposes.
Note: DB4 will be the physical primary Data Warehouse DB.
Note: Going to 11g is NOT an option.
Note: Data Guard broker will be used across the board.
Please answer/advise of the following:
1. Is the above configuration supported and why so? If not, what are the alternatives?
2. Is the above configuration recommended and why so? If not, what are the recommended alternatives?Hi,
As far as i understand, there's nothing wrong in configuration except you need to consider below points while implementing final design.
1. No of CPU on each servers
2. Memory on each servers
3. If you've RAC physical standby then apply(MRP0) will run on only one instance.
4. Since you are configuring physical standby for on 3rd and 4th nodes of DB1 4 node cluster where DB13 and DB14 instances are used only for failver, if you've a disaster at data center or power failure in entire data center, you are losing both primary and secondary with an assumption that your primary and physical standby reside in same data center so it may not be highly available architecture. If you are going to use extended RAC for this configuration then it makes sense where Node 1 and Node 2 will reside in Datacenter A and Node 3 ,4 will reside in Datacenter B.
Thanks,
Keyur -
How to clone RAC Instance to Single Node Instance??
Hi
I have a Multi Node R12.0.4 Installation based on RAC, and i want to clone all the application on Multi Node but on single database.
Can any one guide me how to performe this??
Thanks
MohamedHi;
In addition to Hussein Sawwan great post also check
RAC -> NON RAC ebiz clone << this post for r11 but i belive it applicable for R12 too
Hope it helps
Regard
Helios -
Multiple database Instance on single server
Hi friends,
I want to install Solution manager in the same system which I have installed ECC6. So I want to install another database(10g). Can any one tell me the possibities to install it.
regards,
NageshwarHi Nageshwar,
yes, it is possible.
See chapter "Multiple Oracle Homes" of the guide "SAP ERP 2005 SR2 ABAP on Windows: Oracle" available on <a href="http://service.sap.com/instguides">http://service.sap.com/instguides</a>
You can also install one more DB in your already existing ORACLE_HOME.
best regards
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