Problem using a Western Digital external drive

All,
I am using Oracle 11.2.0.1 32-bit Windows on Windows Vista Ultimate, in conjunction with McAfee Antivirus Plus.
I have issues using an external Western Digital Elements USB drive, which has the Flash Recovery Area. Please note my Windows Backups to these drive also fail with the same error 'Can't find sector'
The error stack in Oracle is following, but this can also happen during archiving
Spooling started in log file: diskerror.log
Recovery Manager11.2.0.1.0
RMAN>
Starting backup at 09-06-2011
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=81 device type=DISK
channel ORA_DISK_1: starting compressed archived log backup set
channel ORA_DISK_1: specifying archived log(s) in backup set
input archived log thread=1 sequence=2532 RECID=2694 STAMP=753243442
input archived log thread=1 sequence=2533 RECID=2695 STAMP=753265574
input archived log thread=1 sequence=2534 RECID=2696 STAMP=753286016
input archived log thread=1 sequence=2535 RECID=2697 STAMP=753314521
input archived log thread=1 sequence=2536 RECID=2698 STAMP=753315118
input archived log thread=1 sequence=2537 RECID=2699 STAMP=753327717
input archived log thread=1 sequence=2538 RECID=2700 STAMP=753331024
channel ORA_DISK_1: starting piece 1 at 09-06-2011
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03009: failure of backup command on ORA_DISK_1 channel at 06/09/2011 08:31:51
ORA-19504: failed to create file "H:\ORACLE\FLASH_RECOVERY_AREA\ORCL\BACKUPSET\2011_06_09\O1_MF_ANNNN_TAG20110609T083149_%U_.BKP"
ORA-27044: unable to write the header block of file
OSD-04008: WriteFile()-fout. Kan niet naar bestand schrijven.
O/S-Error: (OS 27) Het station kan de aangevraagde sector niet vinden.
I have already disabled Mcafee Antivirus Plus Real life scanning, this didn't work.
I have yet to isolate this doesn't happen on other drives, but I already relocated the FRA, because a different external drive was too slow.
(and archivelog failed because of this)
I tried looking for error 27 on Technet.Microsoft.com but failed.
What should I do, apart from re-formatting the drive using my own laptop (it came pre-formatted)? I downloaded a WD tool to check the drive, and it came up with nothing.
Sybrand Bakker
Senior Oracle DBA

Hi Sybrand,
I just wish to please check below:
1.As Aman suggested to deinstall anti-virus program
2.free space on external hard disk
3.Path and Permission issue (if any)
4.May be filesystem of the external drive issue
5.May be issue of filesystem size limit.
5(i).FAT32 is 4GB and NTFS is 16 exabytes. FAT16 (mainly DOS) was 2GB, but some instances supported 4GB. A windows server class machine is almost 100% going to be using NTFS. Same issue on SQL Server with a local account trying to do things on an NFS. Use a domain account/NTFS.
Source:http://dbaforums.org/oracle/lofiversion/index.php?t20108.html
6.ORA-27044: unable to write the header block of file
OSD-04008: WriteFile()-fout. Kan niet naar bestand schrijven.
O/S-Error: (OS 27) Het station kan de aangevraagde sector niet vinden.
I just understood the message of ORA-27044; rest line's messages may be of your country's languages; but i think its all something related to RMAN is not able to write the file.
If you please resolve the issue by your own way/findings, i wish to request to please post the solution too.
Regards
Girish Sharma

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http://wdc.com/wdproducts/wdsmartwareupdate/wdsmartware.asp?id=wdfGeneric&os=mac
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Hello, thank you for looking at my question.
First off, I am NOT very tech-savvy, but I'm willing to research and learn, I'm just afraid to make a mistake and blow up my computer.
I have had my Macbook for 2 years. I have not backed up my hard drive during that time. Bad, I know.
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carroteye wrote:
Hello, thank you for looking at my question.
First off, I am NOT very tech-savvy, but I'm willing to research and learn, I'm just afraid to make a mistake and blow up my computer.
Good! Better to inquire than leap!
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Yup.
That's about one GB per hour. Is that normal?? Then, it froze and wouldn't respond, or back up at all. Just nothing. I held the power button down and restarted it.
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As slow as that backup was, anything else will be nearly as bad.
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The drive is failing.
Corrupted directores, etc., in the file system
One or more "runaway" processes, usually from incompletely-installed or partially-deleted apps
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It's a toss-up; try to diagnose what's wrong, or try to get a backup.
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That will copy any file system problems "as is," but if your internal HD is beginning to fail, at least you'll have a full copy of the data (corrupted or not) on the external HD.
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Here's what I'd recommend:
1. Start up from your Install disc, per the yellow box in #1 of [Formatting, Partitioning, Verifying, and Repairing Disks|http://web.me.com/pondini/AppleTips/DU.html]
2. Reformat the external HD, with a single partition, per the blue box there. You'll want the +Mac OS Extended (Journaled)+ Format and either the GUID or +Apple Partition Map+ *Partition Map Scheme* as detailed there.
3. Use the Restore tab to copy your internal HD (almost certainly named +Macintosh HD)+ to the external HD, per #7 in the link above. Note that will copy the name of the internal HD to the external.
4. When that's done, quit Disk Utility, then select +Startup Disk+ from the Utilities menu in the menubar (per the yellow box above). Select the external HD and start up from it.
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The copy may take a very long time. There will be a progress bar, but they're notoriously inaccurate under the best of circumstances. If it completes, and you can start up from the external, post back and we'll see if we can find the problem, and either fix it or confirm that you need to take it to Apple.

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Also, I've read about backup programs, ie. Retrospect, and I believe the drive comes with one from Western Digital. If I understand how they work, they copy designated files to the external and then periodically compare with the internal, and if there are changes, back them up. What happens to the 'original' file. What I'm really wondering is...if I am getting this as an archive, so I can remove certain photos and videos to make space on my main drive, but still want access at some point, will the program see this as a change, and discard the original from my archive?
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Thought you could use this info about getting FireWire to work!
First, you should always Repair Permissions in Disk Utility before and after any update; I would do that now. If you installed your update with FireWire plugged in, your Mac may not recognize it anymore.
Try resetting your FireWire ports by disconnecting all FW devices, shut down your Mac and unplug it from AC power (wall socket) for 30 minutes. plug it back in and try FW.
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If that still didn't get it Zap the PRAM. While restarting Mac hold down the following key combo Command-Option-P-R. Keep holding those keys down till you hear the second start-up chime, then release.
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Here's another Fw Faq.
DALE

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firewire external hd is a perfectly acceptable medium for capturing footage. it works pretty flawlessly and has little issues or problems
This type of blanket statement really can't be supported in my view.
There are issues with single bus firewire captures.
And many cams, including Canons, don't play well with firewire hard drives on the same bus.
Glad it works for you, but that's doesn't mean it works for everyone.
You might want to take a peak at this:
http://www.adamwilt.com/Tidbits.html#FireWireFrustrations

Problems using iTunes and my external drive.

So I initially had a little trouble getting my iTunes to work smoothly with my external drive, a My Book 1Tb, but after a lot of trouble shooting and help from people on the forum I got it and it worked brilliantly. But now, it seems to have run out of gas, the drive is on (indicated by the blue light on the front of the case) but there is no disk image on my desktop and no matter how many time I 1) search for the drive, 2) disconnect it physically from the computer and reconnect it, 3) shut everything down and boot back up it is still unresponsive. I started having problems with my TimeMachine saying it could not back up files onto the disk and couldn't figure that problem out either. And now this, I am really hoping it isn't the drive, even though I thought it was. However, my Mac (iMac G5) has really been acting up now too.
Every time I try to verify and repair the disk permissions in DiskUtility it freezes while still verifying. And my iTunes has been locking up and constantly unresponsive. I am not that savy with technology and so I am now at the end of my rope.
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You might want to take this over to the Leopard discussion group since it really sounds like it is a drive or computer issue. It will get better attention that way.

USB keyboard and Western Digital external drive

Hi,
I can plug my WD MyBook into the USB ports on my iMac's keyboard, and it works great. I can't, however, do the same with my newer, smaller WD Passport. It just turns on and off, on and off, etc. Why?
-Brandon
Message was edited by: Brandon318

The MyBook (I believe) is a 3.5-inch hard drive and the enclosure has its own power supply. The Passport is a smaller 2.5-inch laptop drive (I believe) and gets its power from the USB port. I'm not that familiar about WD external drive products, so please correct me if I am wrong about the above.
Depending on the iMac model (and type of keyboard), you may or may not be able get enough power from the port on the keyboard. But if the drive is self-powered, the USB port only needs to be there for a data connection, so the power aspect is not as critical. In either case, however, you should probably connect an external drive to a direct port or to a USB hub that has its own power supply.
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Hi there
Sorry to hear you are having trouble with your Mac.
Is the ext HD a powered drive (needs AC power to run) or portable? (smaller, doesn't need to be plugged in to AC)
If its AC powered, check that all the usual lights are lit up on it (flashing activity light, power light etc), if not, then you would need to contact WD.
You can also try resetting the SMC & PRAM, as I have seen this cause a HD to not mount before.
Cheers

Problem using a Western Digital external drive

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