Cloning 11.5.10.2 from RHEL3 to RHEL5

Hi
My application is running fine on RHEL3 and can to cloned to the same OS.
Now I got new servers and wanted to shift on RHEL5. I can INSTALL a new instance on it using Rapid Wizard which works fine but when I try to clone my existing instance it gives errors during DBtier cloning.
Any idea what I am missing here?
Thanks

Hi,
This is also possible, you need to relink all binaries after an OS Upgrade to ensure that everything is working as expected.
- Take a backup of the application/database
- Upgrade the OS
- Relink all binaries
- Start up the application/database
- Take another backup once you confirm that everything works properly
Note: 356878.1 - How to relink the whole Applications 11i Installation
https://metalink.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=356878.1
Note: 131321.1 - How to Relink Oracle Database Software on UNIX
https://metalink.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=131321.1
Note: 407055.1 - Process To Upgrade the Operating System and Oracle Database Server
https://metalink.oracle.com/metalink/plsql/ml2_documents.showDocument?p_database_id=NOT&p_id=407055.1
Regards,
Hussein

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Cloning (Time Machine) a hardrive from an older Macbook to a new One

I'm looking to purchase a new Macbook Pro. My current one is about 3 years old.
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If that's the case then I assume there's no need (or point) to clone anything and if I did it sounds like I couldn't boot up anyways. This is not a good thing....correct? You're saying I just need to hook up the two computers, "migrate" thru setup and I'm done, but that sounds too easy. Don't know anything about this migration process, but the concern is the same....does it put everything in the exact same location and/or order as the old drive (ie: this is what I understand cloning does which is what allows it maintains all the pointers to data, etc....). For some reason I'm not convinced that I'll be able to just pick up and run like I did in SL once this is done.
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Cloned two vm cluster nodes from development cluster to act as template to create production cluster

Morning,
There was so much done to setup the development cluster, I thought it would be easy to have the two nodes in the cluster cloned. To my surprise, the development cluster was up and happily running on the new vm servers. Stopping resources verifies
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I am hesitant to destroy the cluster as I suspect it will destroy the real development cluster. How do I do this? How do I delete the windows cluster software and re-install without affecting the development cluster?
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This actually has worked out okay. I found these steps and did them on both of the nodes that were claiming to be in a cluster already:
powershell
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VDI 3.1 cloning fail if one esx from a cluster is in maintenance mode

hi
i have a vsphere cluster with 2 esx included and ha and drm enabled
if one of the esx is in maintenance mode the cloning job failes but with a misleading error message
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i see here 2 bugs
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Hi login,
It should be possible. You will need to route the output of the counter to a specific RTSI line and then use that line as the sample clock by the MIO board. The function you will want to use to route the counter output to the RTSI bus is the Route Signal.vi in LabVIEW or the Select_Signal() in NI-DAQ function calls. You will want to use constants such as ND_GPCTR[x]_OUTPUT where [x] is the counter number and ND_RTSI_[x] where [x] is the RTSI line number. Your source is the counter output and your signal is the RTSI line of choice.
Similarly, for the MIO card, you will want to route the RTSI line to the AI Scan Start to route to your scan clock. The constant for this should be ND_IN_SCAN_START and it should be the signal value while your RTSI s
hould be the source.
The point is you will need to route the signal for both cards which amounts to 2 calls (or 2 VIs). Anyway, hope that helps. Have a good day.
Ron
Applications Engineering
National Instruments

Moving NonRAC 10gR2 from RHEL4 to RHEL5

Hello,
we need to upgrade our RHEL4 VM to RHEL5 in order to install high performance drivers. What is the easiest way to do this?
I know that the OS cannot be upgraded. Would the following process work?
1) Install new OS.
2) Configure as per Oracle requirements for RHEL5.
3) Setup Oracle users etc.
4) Restore the volume(s) which contain the Oracle installation and DBs
5) Mount and start DBs.
Thanks.
George.

Hi George;
I know that the OS cannot be upgraded. Would the following process work?
1) Install new OS.
2) Configure as per Oracle requirements for RHEL5.
3) Setup Oracle users etc.
4) Restore the volume(s) which contain the Oracle installation and DBs
5) Mount and start DBs.If you use same mount point and user than you need to relink binary. You can also clone your db.
Please see:
clone database
Re: how to do database cloning
Duplicating Database
Regard
Helios

OEL 4.8

Hi friendz,
I am at edelivery.oracle.com now to download OEL4.8
But I found 2 choices:
Oracle Linux Release 4 Update 8 for x86 (32 Bit) - DVD V16749-01 2.2G
Oracle Linux Release 4 Update 8 for x86 source (32 Bit) - DVD V16757-01 2.4GWhich one should I choose?
Thanks a lot

Hi;
1. Install OEL4.8 in a new server.Okey
2. Clone EBS 11i from RHEL4.6 to the new server(OEL4.8).Okey
3. Upgrade database from 9.2.0.8 to 11gR2Good
4. Upgrade OEL4.8 to OEL5.6I have doubt here, why you dont install directly OEL5.6 and follow 1,2,3 steps on this version?
Please check:
RHEL3 to RHEL5
How to migrate from RHEL3 to RHEL5 (11i on 10.2.0,4)
RHEL4 to RHEL5 upgrade
Re: Upgraded OS ans what are all steps to change in instance
Regard
Helios

How do I restore time machine alias files cloned from broken hard drive

My external hard drive broke (a tiny transistor broke off after the drive fell two feet to the floor) so I purchased a new one and had the Geek Squad clone what was on my old hard drive onto my new one. I was using Time Machine to backup my files. My external hard drive had a much larger capacity than my macbook pro, so I deleted a number of the files saved on my Macbook Pro, knowing that I could access my files whenever I plugged my ext. hard drive in.
After plugging my new external hard drive into my computer, however, I am finding only alias files and I do not know how to restore my data so I can access all of the files again.
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morrisck wrote:
An update - I finally took both of my HDs in to an Apple store and they confirmed my fear: only alias files had been transferred from my old drive, meaning Geek Squad charged me $100 for 850 MB of unusable files.
That has been clear since early in this thread.
Geek Squad has agreed to retry the process
Why pay them to do what you don't need done??? Get a refund and buy an enclosure, which you should have anyway for backups.
but I'm now wishing that I had received more sound advice when I brought the drives into them in the first place.
Don't know who gave you that advice, but I sure wouldn't trust them with my data!
The Apple rep. informed me that my HD works perfectly fine and that it just needs a new enclosure (which I can buy for $20 online, as opposed to paying $100 for a data transfer).
Ummm, the action to take seems very clear to me . . . .

Returning cloned objects from EJB Local Interfaces

We'd like to let our WAS 5/J2EE container manage our transactions/unit of work. However, we don't want to have our objects serialized, so we intend to use LocalInterfaces. Additionally, we want to return value objects that support Toplink indirection such that we are not returning the actual cache object but instead a clone.Our question is, how do we return a cloned object that supports indirection from Toplink that we can later do a deepMergeClone on in an explicit update method?

Additional Information on the first post:
The pattern we've been testing is as follows:
1. We set up LocalInterfaces on our EJB's
2. The EJB Getters are using acquireNonSynchronizedUnitOfWork() to get a NON-JTS transaction to perform a readQuery. This results in a Cloned Bis object being generated. We then release the UOW and return the object.
3. The Returned Biz object Getters are using Indirection (probably using the released non-synchronized UOW).
4. The pattern for UPDATE is that we allow the Web Container code (servlet) to change the Cloned Biz Object, they then submit the CLONED and changed object to an EJB update() method where we use getClientSession().getActiveUnitOfWork() to link to the JTS transaction and perform a uow.deepMergeClone(bizObjectClone);
We are trying to use the pattern for the following reasons:
1. Isolation of the Cache to upper layers
2. Transaction Boundry is the EJB Container
3. We understand that there is a performance overhead with CLoned Biz Objects but this more mirrors the ValueObject Pattern then anything else we've tried.
BIG Question:
1. Is this a supported TopLink Pattern?
2. If its not supported, can it be?
3. Do you have any other suggested patterns?

After Cloning from RAC to non-RAC, how can convert PCP to Non PCP?

After Cloning 11i E-bussiness suit from RAC to non-RAC, how can convert PCP to Non PCP?

Hi Hussein
Please clear me if am wrong.
1.Say my applications release is 11.5.10.2 with RAC and PCP enabled and cloning to multi node[Apps on one node and db on one side] and disable PCP
1.I wil clone my db to db node.
2.Copy the applications file system to target node and run adcfgclone and provide the values accordingly and it would complete successfully.
Now i have multi node target system.
To disable PCP
1.do i need to disable :Change the site level system profile 'Concurrent:GSM_Enabled' to have a value of 'Y' and make it 'N'.[because GSM is enabled by default after 11.5.7 ]. If the profile option is SET Y will be get any errors while bringing up CM.
2.As per previous note you have given, APPLDCP is set to ON by default when GSM is enabled [Considering i m above the file version [afpcsq.lpc ] ]
and also is GSM neccessary for single node applications.
In this case will changing the profile value is enough to disable the PCP or do i need to change APPLDCP also.
Regards,
Mannu

Intel Xserve won't boot from 3rd party drive in ADM

Right, I've got a Late 2006 Xserve Dual 2.66 with the normal non-RAID SAS/SATA board, which has been running fine for 2 years with a pair of non-Apple Seagate Barracuda ES 250GB drives (Bay 1 & 2), and an original 80GB ADM in Bay 3 as a spare boot disk.
Bay 1 & 2 are set up using SoftRAID and are partitioned into a boot volume (30GB) and a data volume (200GB), both RAID 1 mirrors. The boot volume is cloned nightly to Bay 3 (single volume, set up using Disk Utility). Data is backed up to a utility machine, so this is arrangement lets me handle any single drive failing.
This arrangement has worked fine for 2 years, and allows me to remotely boot off Bay 3 and run DiskWarrior or other disk maintenance software on the normal boot drive without having to drive across town with a firewire drive. I originally started with Mac OS X Server 10.4, but I'm now on Mac OS X Server 10.6.4.
Where things have come unravelled is, I need to upgrade the two 250GBs to something larger. I didn't realise that the Intel Xserve is pretty fussy with ADM sleds and the model of SATA drive they will work with. I didn't have any issues when I set up the Barracuda ES 250GB so wasn't expecting any problems this time.
I bought a pair of Seagate Constellation ES 500GB drives (well 3 actually, one to keep on the shelf as a spare).
I installed them in the sleds and inserted them in the Xserve. The green power LEDs came on but the drives weren't recognised in Disk Utility or System Profiler. I then added the jumper to set them to 1.5Gb/s and then they mounted. I went through my normal process of cloning the OS to them from a standard disk image I have of a known working OS install, ran Disk Utility to repair disk & repair permissions, Disk Warrior to check everything else (my standard paranoid procedures). Set the startup disk to the new install and rebooted. No joy, just the flashing question mark folder. Reboot with the option key, and the new volume doesn't appear in the list of available boot options.
I installed the drives in a firewire enclosure, and it booted without any problems, so it's not a corrupt install, it's something to do with the ADM sleds.
So to go back to basics, I tried initialising a single drive as a single volume and installed 10.6.4 server fresh from the DVD. Same result, no boot when in installed in ADM sled, boots fine in firewire case.
Erased drive, changed formatting to APM (rather then GPT), cloned OS, etc. Won't boot when in ADM sled, boots fine from firewire case. So that screws the theory that drives have to be GPT to boot on Intel hardware.
So I ordered a set of WD RE3 500GB drives (x 3) and repeated this whole process. Same deal, boots fine in firewire, won't boot when installed in ADM. GPT vs APM doesn't make any difference.
Try #3. Ordered desktop variants rather than server class drives. So armed with a pair of WD Caviar Black 500GB. Same deal, boot fine from firewire, will not boot when installed in ADM. Also required jumpers for 1.5GB/s and also the undocumented pins 7&8 (apparently this might be related to the new Advanced Format they are using)
Try #4
A pair of Seagate Barracuda 7200.12 500GB. This is where it gets tricky. One of the Barracuda will boot the Xserve when installed in an ADM, and one will not. So 2 Barracuda 7200.12, both same model number (ST3500418AS), both same firmware (CC38), yet they behave differently.
Try #5
Barracuda ES.2 250GB (x 3). Won't boot in ADM, will boot firewire.
Try #6
WD Caviar SE16 250GB (WD2500KS)
Boots in ADM (Yay!!) and firewire
Try #7
WD Caviar SE16 500GB x 2 (WD5000AAKS)
Boots in ADM and firewire
I've managed to get access to G5 Xserve (2.3DP) so I've repeated all this testing on it as well. The G5 doesn't care about the model of drive and boots from any of them using a 10.5.6 install with APM formatted drives.
I've tried all these drives in 4 different models of ADM sled. One thing I have determined is that the model of sled determines if you need to use the 1.5GB/s jumper. I have 2 sleds from G5's, they require the jumper, a 80GB Intel ADM sled with separate data and power plugs requires the jumper, and an Intel 160GB ADM sled with the ribbon cable and combined data/power plug doesn't require the 1.5GB/s jumper. APM vs GPT formatting again makes no difference.
So on the Intel machine, the drives work in the sleds, appear as normal drives on desktop or in Disk Utility when logged in, and also appear as normal drives when connected via SSH if Auto Login is disabled. So to me they appear to be working drives.
It appears to me that something changed at a low level between the Barracuda ES and ES.2 generations of drives (for WD drives as well since the Caviar SE16 that boots is a similar age to the Barracuda ES)
So then why won't it boot from them? Is there some magic dance I've missed?
And how come one of the 7200.12 will boot, while another identical model won't?
Any tips or suggestions greatly appreciated.

I don't have an answer for you, but you deserve thanks for all the useful hardware information you posted from your trial-and-error testing.
My impression has that the XServes need specific kinds of firmware and hardware monitors on their drives in order for everything to function smoothly. My own efforts swapping drives in ADMs has produced "mixed results" to put it mildly. It would be so much easier if we knew what kinds of drives worked properly in what kinds of ADMs and on which Macs/XServes.

Successful downgrade from Lion to Snow Leopard?

I will get to my question at the end, but first I must explain the situation:
I have an MBP Intel Core 2 Duo, circa 2006.
The case was falling apart so I bought a new MBP Intel Core i7, September 2011 model.
The new MBP came with Lion, which to my horror did not support PPC applications. I know some of the Mac OS hobbyists will say 'get over it'. However, I use Macs professionally and since I want to eat (so to speak), I must work, and to work efficiently I need Rosetta because there is quite simply no replacements available for some of my quirky software.
Lion has a couple of ways of stopping you upgrading back to Snow Leopard. Here is a simple way to do it, which allows you to keep Lion.
Boot lion and use the disk utility to create a new partition: I took 400 GB for the new SL partition and left Lion with 100 GB. Lion is pretty neat in allowing you to repartition on the fly.
Do the latest software update on the old computer (10.6.8). Restart new computer in target disk mode and connect to old computer using a firewire. On the old computer boot up Carbon Copy Cloner (freeware). Set the old computer as source and the SL partition as traget on the new computer. Simply accept all the default settings on CCC and let it to Clone (ie. backup) the source onto the target. CCC will generate an exact copy of the contents of the old computer's hard drive on the SL partition on the new machine. I believe it will aslo transfer FileVault protected accounts even if the user is not logged in.
Shut down new computer. Reboot holding down the optino key. For some reason the new SL partition was named IEF Drive (or something similar, I cant remember because it reverted back to its original name after a restart). The machine will boot into SL. Go to system preferences and select SL partion as your startup disk. All done in about 4 hours, most of which is waiting for CCC to finish! Whoopeeee.
So far it seems to me like EVERYTHING works just fine. I was particularly suprized that the Thunderbolt port was able to drive my external display either via vga or hdmi adaptors. I half expected that not to work because it is a brand new feature. Of course, it may not work with a Thunderbolt display. Howerer, since the machine is duel boot and I can go to Lion any time I feel like it.
I did have to reinstally Application Enhancer so that my Unsanity Haxies would work, but you have to do that after any migration.
Performance
Geekbench 32 bit overall score:   lion, 8473: SL, 8321
Novabench: lion, 882: SL 859
At first I had the impression that Lion was a bit swifter on start up and GUI response, so I used migration assistant to migrate my old computer user account onto the Lion partition. As expected all the login items and extra system services that came across from the old machine had a penalty for start up and shut down. After timing both I find that SL is slightly faster up and down than Lion. Even so, I am sorry not to be able to use Lion as I liked the look and feel of it right from the get go.
Never mind ...its function over form for me every time
Now my question is to ask whether others have exposed any weaknesses in a SL down/upgrade? It would help if you would post here so that I can head off any problems before I discover them in a critical situation.
Also, do the experts think SL will match the 64 bit performance of Lion, which I was unable to test because I am too mean to pay the 19 bucks for Geekbench?
Finally, I must say that after many years of daily use on countelss machines CCC has never once let me down, unlike TimeMachine.

I had said that the "function" of the user preferences in the ByHost folder won't be preserved on a different computer, not that the files wouldn't be there!
The ByHost folder contents are accurately preserved in a CCC clone, but the .plist files themselves are tagged with the "hardware UUID" of the particular computer they were made on, and will only function on that computer. Peek inside at the names of these preference files and you'll see. It's not an important issue in practice.
From Mike Bombich's CCC Knowledge Base, here:
Can I back up one computer and use the clone to restore another computer?
As long as the architectures match (e.g. intel vs. ppc), then the answer is **probably yes**. However, there are two caveats.
    Some of your preferences on Mac OS X are considered "host-specific." Preferences such as these will be ignored if you boot your cloned operating system and data from another machine. For example, the screen saver preferences are host-specific -- if you boot another machine from your bootable clone and the screen saver kicks in, you will notice that it has reverted to default settings. Do not fear that you have lost any data, your original preferences will be "restored" when you boot again from your original computer. To learn exactly what preferences are host-specific, navigate in the Finder to your home directory, then to Library/Preferences/ByHost.
    Don't install older versions of Mac OS than what comes with your computer. When you get a brand new Mac from Apple, it usually has a specific version of Mac OS X installed on it, and further, a specific "build" number. If you install an older version or build of the OS, for example by cloning your older Mac to it, then it may behave unexpectedly. When migrating your old Mac to your new Mac, be sure that your old Mac has been updated to at least one later release than what came on the new Mac. For example, if your new Mac came with 10.4.7, update your old Mac to 10.4.8 before migrating. If such an update is not available, use the Migration Assistant instead.

Error in dbtier cloning

Hi All,
We are cloning a new test instance from the cold backup of our production. Production is single instance/archive log enabled. However, the target instance is single instance/no archive log. the DB version is 11.1.0.7
When i am running adcfgclone.pl on the database tier, it errors out with the following.
APPS Password : Log file located at /db1/oratrng/db/tech_st/11.1.0/appsutil/log/TRNG_oradapp/ApplyDBTier_11081226.log
| 50% completed RC-50004: Fatal: Error occurred in ApplyDatabase:
Control file creation failed
ERROR while running Apply...
Mon Nov 8 12:35:16 2010
ERROR: Failed to execute /db1/oratrng/db/tech_st/11.1.0/appsutil/clone/bin/adclone.pl
The logfile shows the following errors:
ORACLE instance started.
Total System Global Area 1069252608 bytes
Fixed Size 2109352 bytes
Variable Size 427823192 bytes
Database Buffers 624951296 bytes
Redo Buffers 14368768 bytes
Control file created.
alter database open resetlogs
ERROR at line 1:
ORA-01194: file 1 needs more recovery to be consistent
ORA-01110: data file 1: '/db1/oratrng/db/apps_st/data/system01.dbf'
alter tablespace TEMP1 add tempfile '/db1/oratrng/db/apps_st/data/temp01.dbf' REUSE
ERROR at line 1:
ORA-01109: database not open
alter tablespace TEMP1 add tempfile '/db1/oratrng/db/apps_st/data/temp02.dbf' REUSE
I tried by creating the controlfile manually too but it gave error when i tried to open the database:
SQL> @crctl.sql
ORACLE instance started.
Total System Global Area 1069252608 bytes
Fixed Size 2109352 bytes
Variable Size 427823192 bytes
Database Buffers 624951296 bytes
Redo Buffers 14368768 bytes
Control file created.
ALTER DATABASE OPEN RESETLOGS
ERROR at line 1:
ORA-01194: file 1 needs more recovery to be consistent
ORA-01110: data file 1: '/db1/oratrng/db/apps_st/data/system01.dbf'
I tried to recover the above datafile.
SQL> recover database using backup controlfile until cancel;
ORA-00283: recovery session canceled due to errors
ORA-00600: internal error code, arguments: [kcvhvdf_1], [], [], [], [], [], [],
I tried another cold backup(we take cold backups every night) but facing the same issue with another backup also. That's why i think its not an issue with system.dbf file being corrupt.
when i searched metalink for ORA-600 with kcvhvdf_1, i found that it is a bug in 11.1.0.7. bug 9314439.
the bug says:
The problem is that when the datafiles have zero DB ID=0=0x0, the 'create controlfile set database' command is not setting the new DB ID in the datafile headers but only in the controlfile. It then causes the ORA-600 [kcvhvdf_1] to be produced in the recovery due to DB ID mismatch between datafiles (select FHDBI from x$kcvfh) and controlfile (select DBID from v$database).
I verified the above statement and found it true.
SQL> select FHDBI from x$kcvfh;
FHDBI
0
0
0
0
0
0
0
0
0
0
0
select DBID from v$database;
DBID
551459957
The bug states a work around:
If using a cold backup (after a clean shutdown - NORMAL/IMMEDIATE), one workaround is to open the database right after the create controlfile (with no previous recover):
CREATE CONTROLFILE SET DATABASE "DEV2" RESETLOGS ARCHIVELOG ...
alter database open resetlogs;
However, this workaround is not working for me.
Kindly help. Its urgent.
Edited by: muneer.uae on Nov 8, 2010 3:06 AM
Edited by: muneer.uae on Nov 8, 2010 3:08 AM

Hi;
I suggest apply lastest clone patch and try to take clone from beginning,you can also check
Cloning Oracle Applications Release 12 with Rapid Clone [ID 406982.1] << Section 4: Advanced Cloning Options
if you have still error message than you can follow:
Mainly,
1. Create controfile on source(alter database backup controlfile to trace as path)
2. Copy it to your target server
3. Edit control file wiht new settings(like dbname,dbf location etc)
4. startup nomount, than use new CONTROLFILE and create db on target
5. If you db up than enable autoconfig on dbtier via below note:
Using AutoConfig to Manage System Configurations in Oracle E-Business Suite Release 12 [ID 387859.1]
Section 3: Patching AutoConfig 3.2. Enabling AutoConfig on a New Oracle Home
Regard
Helios

Migrate from RHEL 4 to RHEL 5

We are on a split tier configuration of Ebusiness suite, web and forms node on RHEL 4 server while concurrent node alongwith the database is on AIX server.
To upgrade the Apps tier from RHEL 4 to RHEL 5. Can we clone the apps tier From RHEL4 to RHEL5
Thank You

Sorry I would like to rephrase that
We are on 11.5.10.2 . My question arises from note 850358.1. wherein for the application tier it only mentions cloning.
also as per note 216664.1 bullet 13 we can clone from a lower version to an higher version.
Just want to confirm if I got that right. Let me know if this still needs to be reposted in the linux forum
Thanks

Cloned database

Hi
What are all the scenarios in whcih we have to give '
alter database open resetlogs
is it necessary that we have to give this after performing the incomplete recovery or after changing the database name from the backedup trace controlfile
when we have to give this .please say me
one more thing
if i cloned a database named "gem" from the source database "gem" then i can apply the archive logs of the source database in the target database and rollforward the changes in the cloned database until the database name is gem.If i created the target database with name "gem1" from the source database "gem" then is it possible to rollforward the changes in the cloned database by applying the archivelogs generated from the source database ???
iam confused.please clear my doubts
Regards
'Aram

What are all the scenarios in whcih we have to give '
alter database open resetlogsWhen all else fails, Read The Fine Manual
http://download.oracle.com/docs/cd/B19306_01/server.102/b14200/statements_1004.htm#i2079942
    *      You must specify RESETLOGS:
          o            After performing incomplete media recovery or media recovery using a backup controlfile
          o            After a previous OPEN RESETLOGS operation that did not complete
          o            After a FLASHBACK DATABASE operation
    *      If a created controlfile is mounted, then you must specify RESETLOGS if the online logs are lost, or you must specify NORESETLOGS if they are not lost.

IMac running on Mac OS 10.5.8 & Windows XP wont boot from Mac OS

I have an iMac running Mac OS 10.5.8 and Windows XP (ServicePack 3) on Boot Camp 2.2. This configuration has worked for me perfectly for the past 2 years up until recently. From nowhere, the system is now refusing to boot to Mac OS but boots into Windows XP without any problem.
I have tried to repair the Boot Camp 2.2 in Windows XP via the repair/update option from the Boot Camp installation but its giving a fail message;
The installer has encountered an unexpected error installingthis package. The error code is 2727.
I have also tried to verify and repair the Macintosh HD partition using the Disk Utility but its giving me the following error message;
On verify disk
Invalid Sibling link
Volume check failed
ERROR: Filesystem verify or repair failed.
I could repartition and start all over again but there are some files and emails I need to retrieve from the Mac partition before I delete and repartition.
Is there any shareware software that I can install on theWindows XP partition and be able to access/retrieve my files in the Mac partition?

you can't repair Mac OS X from Windows.
What you need to do and realize is that Disk Utility is not good enogh or reliable enough and you need 3rd party disk repair utility.
Or just restore Mac HFS from backups.
You may want to install Mac OS on another external hard drive
Recover the files there - probably best to have two partitions.
you should have already created multiple backup sets: clone type and TimeMachine
Disk Warrior is $90 or there is TechTool Pro 6 for almost same
Cloning is easy enough either from Mac OS X DVD Disk Utility Restore or from another hard drive.
Cloning as a Backup Strategy
Carbon Copy Cloner
WinClone VMware HDD Upgrade
MPG - How To Guides - How to clone a volume
SuperDuper

Cloning 11.5.10.2 from RHEL3 to RHEL5

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