Total data loss!

So I plugged in my fully-loaded video iPod as normal to my computer. iTunes then said "You have old songs on your iPod, do you want to transfer them to your library?" I selected "No" and iTunes proceeded to ERASE EVERYTHING ON MY ENTIRE IPOD. Thousands of song! I'm furious!
Is there anything I can do to recover the data?

The machine memory itself is not the problem. When I load up the system, I can see no data.

Similar Messages

Total data loss on Nano after spontaneous reboot

I've got two questions...
1) Is it possible for a 4th gen Nano to cause a problem for a 1st gen Nano that uses the same computer? (see explanation of events below)...
2) What's the best tool for recovering data that's been wiped out on a 1st generation iPod nano?
I have four Nanos in my home — one 1st gen, two 3rd gen, and a brand new 4th gen. I connected the 4th gen Nano to the computer for the very first time, transferred some music and a movie to it, then ejected it. A while later I connected my 1st gen iPod to the same computer and attempted to tranfer a music file to it, and my computer (Windows XP) suddenly rebooted while the file was transferring. After starting back up, I opened up iTunes so I could try transferring the file again, and noticed my iPod was totally wiped clean — all my music, audio books, playlists, photos — everything was gone!
Unfortunately I don't have a backup of most of my music. To free up some space on my computer, I transferred most of my music to an external hard drive several months ago, and a few months ago my son accidentally knocked the hard drive off the desk and it no longer worked, so I lost everything on it. And now I've lost everything I had on my Nano.

Hello and welcome to the forums.
Since you have removed the battery many times, you have, in essence done soft resets. All that is left to try would be a hard reset. First make sure your data is backed up as doing a hard reset will erase all of your data off of the device. It puts it back to "Out of the box" factory settings. To do the hard reset remove the battery. Hold down and continue to hold down on the red power button and insert the battery, continuing to hold down on the power button. When the second screen ( Access powered ) comes up release the red power button. It should ask you to erase all data? If so, hit up on the 5 way navigator to erase the data. You will then have to calibrate the screen and set your preferences. Once all of this is complete you will have done a hard reset sucessfully. For now, don't sync the data back onto your device. Just use it for a day or two and see if the signal strength issue is resolved. If it is not this indicates it is a hardware issue on the device, and all you can do is get the device back to the U.S. and send it in for repairs.

PB crash - total data loss after forced restart.

Hello,
Ironically I was trying to back up a whole bunch of stuff the other day to and from external hard-drive (inc 5000 photos!) when I decided to start up itunes I had a message in German saying itunes needed to be updated (the OS was accidentally installed in German by technicians after a hard drive replacement last year, but I was running it in English) the thing is I was not online at the time and it wanted to update to a version dated 2007 so the first alarm bells started ringing. I did not allow this weird update of itunes fearing I would lose all my folders etc. and cancelled it. Then thinking I would eradicate the problem by restarting the PB when I tried to restart it wouldn't let me saying 'mirror agent' was preventing a restart. I left it for a while but then forced it to shut down. When I restarted it all my data / software etc was gone - it was all in German and like the 1st day the OS was newly installed!! (Icons huge, screensaver blue swirl etc) Everything except a few folders. Also it said only 5GB of hard drive - and it is 120GB hard drive.
What should I do?!! Can I try starting it from installation disk and use disk doctor or something or should I head straight to an apple technician?
I THINK the OS was 10.4.3 or around that mark.
Any help HUGELY appreciated! Thanks in advance and greetings from Berlin.
very worried,
Nicole.

ok i just remembered that I changed the name of my home folder - seems this was a stupid idea - i changed it from 'admin' to 'nicole'
I found this:
http://docs.info.apple.com/article.html?artnum=107854
and fixed it!!
phew!!

Address Book - Total data loss

Status - I am running an Address Book with over 13,000 contacts on a Mini Mac (top of the line) with Max Memory. Several apps open mail, ical, address book, safari, powerpoint, ichat and skype.
I was working on a subset of my contacts a smart group with 350 contacts. Out of the blue all contact, smart group and groups vanish. Address book did not report and error, crash or restart.
I have been able to restore a back up - however, a whole days work is lost!
Does anyone know why this happened and how I can stop it from happening again.
Thanks in advance a SWITCHER as of Oct 2005!!!

I don't know how many addresses it will hold, but with those sort of numbers, make sure you use all sorts of backup strategies.
1) backup directly from within Mail
2) backup the folder yourhome / Library / Application Support / AddressBook / to an external drive
Now to your problem: do you have any widgets active that source data from your AB?
Do you have any plugins active in Mail that uses AB data?
Or anything else that may be active on your AB that interferes while you were selecting such large groups?

What can I do simply to keep all my previous contents, (own pics, videos, etc.) on my previously authorized iPad on PC, but get a new authorisation and a right syncronization, without data loss with a new iTunes on my new Mac?

Friends,
I already had an iPad(1) and its full contents (not only the purchased items, applications from Apple, but my all own pics, videos, songs etc.) is normally syncronized with an authorized PC (Windows) computer.
Now, I've bought a new MacBook Air computer, and want to sell my PC. But I don't know how to transfer (or syncronize) all of the contents from my previous iTunes on PC to the new one on the Mac.
When I connected my iPad to my new MacBook Air, I promted, if I want to change authorization of my iPad to the MacBook.
But also got a warning, that the new iTunes will delete from my iPad all my previously syncronized items, pics, videos and music, with the previously authorized iTunes on the previous computer, expect the saved pics from the net.
What can I do just like that, simply to keep all my previous contents on my iPad, but have a new authorisation and a right syncronization, without data loss with the new iTunes on my new Mac?
Thanks a lot for your answer.
([email protected])

Here are some instructions that I have posted several times that may be helpful to you as they have been to others. You can simply ignore anything that does not apply or that you have already done.
As Alan stated above - transferring the iTunes library is the best first step. If you can transfer the iTunes library to the Mac, most of this will be unecessary for you to do.
Very Important ....
1. Authorize the computer.
2. Turn off auto sync in iTunes
3. Transfer purchases
The text in italics is from the other thread - non italics are my words.
The following was copied from this thread. This is essentially what you want to accomplish.
https://discussions.apple.com/message/11527071#11527071
1) Without connecting your iPad to your new computer, start iTunes. Click on iTunes. Click on Preferences. Click on Devices. Check the box next to "Prevent your iPod etc. from automatically syncing." Click OK.
2) Now connect your iPad to your computer and start iTunes.
3) When iTunes starts, right click on your iPad under Devices in the left column. Select Transfer purchases etc.
4) After it finishes transferring all your apps to your computer, right click on your iPad and select Backup your iPad.
5) After it finishes backing up your iPad, right click on your iPad and select Restore etc.
6) After it finishes restoring, left click on your iPad , then click on the Apps tab on top, and check the box next to Sync Apps, then click on Apply below.
If everything on your iPad looks good after the sync, go back and click on iTunes / Preferences / Devices and UN-check the box next to Prevent your iPod etc. The only other thing you may want to check is if your contacts, bookmarks, etc. are syncing correctly now. If not, go to the Info tab after connecting and make sure you indicate which features you want to sync with what sources.
Read this thread and the support links as well. There are apps that you can purchase that will allow you to transfer photos from the iPad to your computer. Look at Photo Transfer App in the App store and you can search for others as well.
https://discussions.apple.com/message/13016026#13016026
This support site will help you with transferring iTunes music to your new computer.
http://support.apple.com/kb/HT4527
One final note - you may want to leave auto sync turned off - but that is totally up to you. I never did use auto sync.

What should I run off a UPS to protect myself from data loss?

I am wanting to safeguard my data. I am considering using a UPS to aid this. I experienced a major mains power brown out last year, and escaped then any damage or data loss. I do not want to risk damage/losing data from power problems.
I think I'd need to run off the UPS the following -
Mac Book
Associated external HDD
Should I run other equipment off the UPS? My cable modem? My wireless routers (Belkin and Airport Express)??
Cheers, all
Ken

What you run off the UPS is totally up to you and the capacity of your UPS. I don't generally run my notebooks on a UPS but I definitely use one with my desktop as any brief power loss would cause the system to go down without some type of power backup. If you want to still be able to get online when your power goes out, you'll want to keep your cable modem and wireless router connected as well. If you really want to conserve power and get maybe a few extra minutes, you can skip the wireless router and connect directly with your modem via an ethernet cable. The less you have on the UPS, the more time you'll be able to run on battery. Where I live, power outages are fairly infrequent. I'm generally just concerned with having enough time to finish what I'm working on then shutting down.

Script that will help validate if there is any data loss after a DB restore

Hi,
I need to write a single script that will perform the following
operations:
1)return me the highy accessed tables across all databases.
2)List the count, Min and Max system date of the highy accessed tables returned from step 1.
The idea is to validate if there is any data loss to the highly transactional tables after a database restore operation has been performed.
Thanks.

Hello,
I would also like you to see nice blog by Aron,you can modify the script a bit to change according to your need
http://sqlblog.com/blogs/aaron_bertrand/archive/2008/05/06/when-was-my-database-table-last-accessed.aspx
Please mark this reply as the answer or vote as helpful, as appropriate, to make it useful for other readers
Hello Shanky,
The post would not be helpful too much for OP's requirement. The post was talking about when was the database last accessed. DMLs are not capturing in the script and also there will be many variant forms that can be applied for DML. Hence, I do not think,
the script would help too much.
Or Am I missing something?
Latheesh as i mentioed OP has to modify the script little bit may be add User_seek,user_update,user_scans.Still IMO there is no *perfect* way to actually analyze this.So I pointed out point in my original post.Also unless he has some timestamp he cannot
see min time when it was accessed ,max time can be taken from last user seek,scan,lookup time. Motive was to lethim know what he was trying to achieve cannot be axactly obtained by using sys.dm_index_usage_stats.Below query will give most accessed table
: Source (Query)
SELECT
t.name AS 'Table',
SUM(i.user_seeks + i.user_scans + i.user_lookups)
AS 'Total accesses',
SUM(i.user_seeks) AS 'Seeks',
SUM(i.user_scans) AS 'Scans',
SUM(i.user_lookups) AS 'Lookups'
FROM
sys.dm_db_index_usage_stats i RIGHT OUTER JOIN
sys.tables t ON (t.object_id = i.object_id)
GROUP BY
i.object_id,
t.name
ORDER BY [Total accesses] DESC
Please mark this reply as the answer or vote as helpful, as appropriate, to make it useful for other readers

Format my partition without data loss

Can you create new partitions once it has been formatted and the operating system loaded?
Lastly, I looked for the solutions from internet, I found MiniAide Magic Partition can help me. It can create new partitions and format partitions without data loss. It totally helped me.
MIniaide Magic Partition Tool
Share it here and hope it can also help you manage your partitions/disks.

Windows has a capability to paritions without the loss of data. Refer the following weblinks:
http://www.sevenforums.com/tutorials/2672-partition-volume-shrink.html
http://www.howtogeek.com/howto/windows-vista/resize-a-partition-for-free-in-windows-vista/
I am an HP employee.
Regards,
Vidya
Make it easier for other people to find solutions, by marking my answer “Accept as Solution” if it solves your problem.
***Click on "Thumbs up" button to the bottom right side of my post to say thanks!***

External Drives for Mac Experiencing Data Loss with Maverick OS -- UPDATED FOR NOVEMBER 6, 2013

--- Updated November 6, 2013 ---
On October 30th, 2013 Western Digital informed registered customers of affected products via E-mail regarding reports of Western Digital and other external HDD products experiencing data loss when updating to OS X Mavericks (10.9). Our investigation to date has found that for a small percentage of customers that have the WD Drive Manager, WD Raid Manager and/or WD SmartWare software applications installed on their Mac, there can be cases of a repartition and reformat of their Direct Attached Storage (DAS) devices without customer acknowledgement which can result in data loss.
WD has been tracking this issue closely through our WD Forum and through our Technical Support hotline and the occurrence rate of this event has been very low. A specific set of conditions and timing sequences between the OS and the WD software utilities has to occur to cause this issue. Should this event occur, the data on the product can likely be recovered with a third party software utility if the customer stops using the device immediately after the OS X Mavericks (10.9) upgrade. WD will be issuing updated versions of these software applications that resolve this issue.
WD strongly urges our customers to uninstall these software applications before updating to OS X Mavericks (10.9), or delay upgrading until we provide an update to the applications. If you have already upgraded to Mavericks, WD recommends that you remove these applications and restart your computer. If you have already upgraded to Mavericks and are experiencing difficulty in accessing your external hard drive, please do not save anything to the drive, disconnect the drive from your computer, and contact Western Digital Customer Service at http://support.wdc.com/contact/.
--- Updated November 5, 2013 ---
There are reports of Western Digital and other external HDD products experiencing data loss when updating to Apple's OS X Mavericks (10.9). Western Digital is urgently investigating these reports and the possible connection to the WD Drive Manager, WD Raid Manager and WD SmartWare software applications.
Until the issue is understood and the cause identified, WD strongly urges our customers to uninstall these software applications on their systems before updating to OS X Mavericks (10.9), or delay upgrading. If you have already upgraded to Mavericks, WD recommends that you remove these applications and restart your computer. WD has removed these software applications from our web site solely as a precaution as we investigate this issue.
If you have already upgraded to Mavericks and are experiencing difficulty in accessing your external hard drive, please do not save anything to the drive, disconnect the drive from your computer, and contact Western Digital Customer Service at http://support.wdc.com/country/ for further assistance.
You can now download the WD Software Uninstaller. This utility will remove Mac WD SmartWare and WD Drive Manager software. You can find the uninstaller under any of the Mac Drive Downloads sections such as the My Book Studio below.
http://support.wdc.com/product/download.asp?groupid=124&sid=214&lang=en

I agree. After installing Mavericks I was troubleshooting and reinstalling drivers for days. Many Apps did not work anymore, although the updates slowly arrive. As total divergence of the old Apple philosophy, I had to use endless library cleaning terminal commands to get a new Canon network printer running again. Canon provided the procedures after updating from OS X10.6 to 10.7 already. Now it seems, that the first time I used the Super Drive (CD-DVD Drive) trying to burn an audio CD with baffling error messages (Drive already used..). After this, the RAID1 status of the two MyBook archives changed to JBOD. The changes of OS X10.8 to 10.9 I find unnecessary (iBooks could be an App, Maps we have already the same on other channels). Some changes are even a step back (calendar graphics), the so much more user friendly Office suite iWorks is free, but degraded an of limited use!MadOverlord wrote:
I have had multiple cases of data loss on WD drives since upgrading to Mavericks, and I do not use any WD software. I was using a 4-bay PROBOX USB3 enclosure with 4 independant drives, each with 1 volume, no RAID. I have managed to copy large files off the WD drive onto my MBP internal drive using the finder, and then find that they are not identical. This problem is intermittent, does not generate any Finder errors, and the drives all show 100% health via SMART. The configuration was rock-solid before Mavericks, and has trashed the directories of 4 drives since I upgraded last week. I am attempting to find a solid replication case for this, but it is difficult. I have not been able to replicate the issue on another 2-bay USB2 dock that I have (different manufacturer). One thing is clear: only one thing changed -- I upgraded to Mavericks.

There is no Data Loss!

Basically, any Pages file that has been modified and seemingly "overwritten" can be easily restored to its pre-5.0 state within Pages 5 by clicking File > Revert to > Browse All Versions and then selecting the previous version, clicking Restore and then closing Pages 5.0 without saving. That allows you to open the file in Pages '09 and delete Pages 5. Now everything is back to normal and you can continue using '09 until the feature set is restored.
I'm hoping people will continue to explore and verify this, but I've tried it myself and a few others have verified its validity. I started a thread yesterday but it quickly got buried in the swathes of complaints.
robogobo wrote:
Great! Hopefully this means everyone can get back to their old files and continue working in '09 until the feature set is restored to 5.0. Now we can all stop clamoring about Apple intentionally damaging users' work. I was 1000% sure that wasn't the case. After "Save As" was depricated, Autosave and Version History are part of a normal workflow (except for those who rejected the whole idea of auto save - but Apple didn't), which explains why files were not explicitly duplicated with the upgrade and no warning was issued.
Does this work for you, Peter? If so I hope you can see the value of actually using the product before jumping on the bashing bandwagon.
Karabuni wrote:
Seems to work - I've unplugged the external disk as well as turning off Time Machine. Old versions are there, and not only that, when the restored file is loaded into 5, it looks the same as it did in 4.3., whereas if just the latest one is opened, layout is, er, not right.
The "unrestored" file has layout errors, whereas, the "restored" one still looks OK when reopened, even after making a few changes. This might not be the case if a "removed" feature has been used, such as linked text boxes - they are there but not linked.
You will not be able to open this file in 4.3 if you make changes, as robogobo also said.
So, are the earlier versions inside the new one? Word docs have all sorts of old stuff inside if you open them in BBEdit, especially if the author has used an earlier letter to someone else as a template, and altered the text. Having looked at a 4.3 xml file there isn't any changed/deleted text or other obvious stored changes. So they must be somewhere else, I suppose.
The 5 files are zipped .iwa, and I haven't found anything that the system will allow to open them (unidentified developer).
robogobo wrote:
Could someone please verify this? Basically it would mean the transition from 4.3 to 5 is at least non destructive and we're dealing with a loss of features here but no data loss.
robogobo wrote:
Browse All Versions:
Now I hadn't tried this before, but it was on my todo list. When I first noticed problems with files opened in Pages 5.0, I was simply restoring files from Time Machine in order to get back to the original version for 4.3, thinking it was necessary for version history. But correct me if I'm wrong, Time Machine isn't necessary for browsing documents version history. Is that right? I just tested it and it seems to work with my Time Machine disk disconnected. Can someone verify this?
I just opened an old 4.3 document in 5.0, made some changes, saved and closed it. Then I tried to open it in 4.3 and of course it wouldnt open. So I opened it again in 5.0, went to File > Revert to > Browse All Versions and it opened up the interface, which looks like Time Machine (I always assumed it was) but I think it's not. Anyway, I went back to the old version, hit restore and then closed it without saving. I can now open it again in 4.3 in its original state!
Did everyone already know this? If it's true, then there isn't any permanent damage being done, and everything can be reverted to originals from within5.0. I think this is great news.

Jeff Shenk wrote:
If you upgraded directly from Snow Leopard to Mavericks, and never had Versions in Pages 4, can you still revert to the oldest version in Pges 5 and get a Pages 4 document?
The documents brough into Mavericks from Snow Leopard should still be considered the original versions before they're opened in Pages 5, so I think it would work. Probably best to open them in 4.3 on Mavericks first though, to be safe.
At any rate, data loss is only a problem if you have opened the only copy of a document with a new, untried application, and in that case, you are acting as though it isn't a very important document, anyway.
Couldn't agree more.

[DATA LOSS] I closed the Tab Groups and all my tabs dissapeared. How can I recover the tabs in Firefox 26? Would you please just delete this feature?

Thank-you in advance for reading all of this.
A slip of the mouse in trying to return to the left-most tab caused the tab groups feature to take over the window. I completely failed to comprehend what I was looking at and closed the thing by clicking the x because I damn sure didn't want what I was looking at. Undo close group? Of course not, I didn't want a group in the first place. Hey! My tabs are completely gone now! So in just a few steps all of which seemed innocent, I have lost all but ten of the tabs that were open, and those were only the most recent ten (and actually older tabs would have been more valueable than newer so insult on top of injury).
I don't think increasing the number of undoable tab closures is the answer. I think getting rid of the tab groups feature all together is the best way to go. I seem to have lost all the tabs I had open, irretrievably, and some of them had been open for WEEKS so they can't be reopened from history.
The tab groups feature is a data loss bug. Please remove it from the UX completely. If you have to figure out a way to grandfather people who actually have a tab group, fine but don't further vex me with it, please.
The reason this catastrophe has occurred is that your feature, was so discoverable that I activated it by mistake, and the UI after that had to be learned on the spot, yet was too complicated to learn. You really should withdraw it until you can figure out how to keep the UI for it from causing data loss such as I have experienced this morning.
Also, there may be other questions on this feature which are from a certain point of view the same as this one. It's hard for me to tell for sure. None of them had a true resolution so that's why I posted this one, also I'm seeking a specific fix, removal of the offending feature.
Why remove the feature? Because if I allow in my discussion the possibility of retaining it, it will stick around in its present and dangerous form until your team is done bikeshedding the new form it should take. Instead I want you to delete the feature and then require its champion to convince you that a new incarnation won't cause data loss before you allow it back in.
Fellow users, if you know of a way to recover all 50 lost tabs from an "undo close tab group incident", I would be grateful for that advice, but I would still believe the feature should be deleted. Some of the tabs have been retained for months so digging them out of the history is not practical.

I am not 100% certain but I am fairly sure development of this tab feature has ceased and it is likely to be deprecated. I am even less sure what the replacement will be.
Thus forum is not the place for discussing development issues or feature requests. (Developers do not use this site)
*You could comment using feedback <br /> https://input.mozilla.org/en-US/feedback
*Or try to find a developers forum or mailing list <br /> http://www.mozilla.org/about/forums/#general-development
I have not tried this and am not even using Windows at present but the tabs groups are stored as entries in the sessionstore.js files. Firefox has such a file plus sometimes numbered copies and a backup copy. Firefox will have re-writen these files but I suppose there is a posibility the Windows OS may have kept copies.
* see http://windows.microsoft.com/en-US/windows7/Previous-versions-of-files-frequently-asked-questions
* http://kb.mozillazine.org/Sessionstore.js Note the files are kept within the Firefox Profile
** Firefox Button -> Help -> Troubleshooting [open profile] (or some thing similar) is one method of locating the profile.
Find and backup any current sessionstore.js file. Consider also bookmark or otherwise recording anything you have open. Now find any previous versions and try putting them in Firefox's profile before restarting it.

Data loss popup for cancel button on overview page

Hi Experts,
Data loss popup generally appears on UI, when i try to navigate with out saving the changes. This is a standard SAP behaviour.
But, i come across the requirement where this data loss popup should also appear on clicking the 'Cancel' button on overview page on UI.
I understood that, this popup will be triggered by the methods ON_BEFORE_WA_CONTENT_CHANGE & IF_BSP_WD_EVENT_HANDLER~HANDLE_EVENT of the window impl class.
Please suggest how can i make this popup work in case of Cancel button as well.
Thanks....

Hi bkvs,
Usually when you click the "Cancel" button that means you don't want to save your entry... hence displaying the dataloss popup doesn't make really sense to me. However, you may want the user to confirm that he really wants to cancel.
So I would suggest to redefine the EH_ON_CANCEL method of your view, to display a simple confirmation popup before you actually cancel everything. This wiki will show you how to do it:
Creating popup message in webclient UI - CRM - SCN Wiki
Regards,
Nicolas.

Updating to ios 6.1.5 leads to data loss in several apps (bento, teacher tool)

After updating to ios 6.1.5 I have experienced severe data loss in several apps. Can I return to older version of ios to rescue data?

All you can do is restore from backup
To restore from backup see:
iOS: How to back up
If you restore from iCloud backup the apps will be automatically downloaded. If you restore from iTunes backup the apps and music have to be in the iTunes library since synced media like apps and music are not included in the backup of the iOS device that iTunes makes.
You can redownload most iTunes purchases by:
Downloading past purchases from the App Store, iBookstore, and iTunes Store

Data loss Lacie 500GB external drive_ disk utility changed partition!

Details of problem. I have a 500GB Lacie mini hub HDD which is used with an iMac angle poise. Recently it has been playing up- unable to access folders/files etc. and since I know the PSU fails on these items (capacitors fail -5V and 12V go haywire- already fixed another one - I have a 320GB with a mac mini setup) I removed unit from the imac and connected in place of the 320GB lacie on the mac mini, using the known good PSU. The iMac is running latest 10.4 and mac mini is running latest snow leopard 10.6.1
The Lacie spun up and mounted OK and I was able to access all files folders with no issue, so since I was keen to make sure it was 'fixed' I ran disk utility. It ran and said it verified and then I realised I hadn't run repair so re-did this. Big mistake!
It did the same run and said no problems found, but it then said something like updating partition! Horrified I waited and it seemed to finish or had finished straight away. Not sure. I looked at folders and yes main 2 items in place, but nothing showing below this. ****. It got worse. I ejected and tried to reconnect and low and behold it says drive needs formatting now. Disk utility even shows this 500GB as having 2.2TB of space, which I see in other posts is another issue.
I have important data backed up elsewhere, but there are a large number of files I do not have copies of and suspect there is a way to recover these. I have since seen all the 'data loss' guest account issues and wonder if this is yet another bug in snow leopard.
Have tried running Techtool Pro 5.0.6 to see if it can see the data but its not seeing anything. Will try Diskwarrior and others, but may well shelve to see if apple gets an os update released for data loss issues.
Any thoughts on how to recover? Anyone with a similar issue? I am pretty certain this is not a failed hard drive as it sounds 100% normal. Thanks for any help or guidance.

Thanks for all the comments recieved. V.K. made me re-evaluate what I had proved or not. I was fairly certain (not 100%) that the drive mech was OK, because the psu had failed, but should have proved drive mech was actually OK. So I removed the mech (as USB abd firewire can't do SMART etc.) and hooked up to an old G4 Powermac. I then found that the SMART verified, but had forgotten the 128GB limitation on older macs. So removed and got a PC to hook it up and run latest IBM_Hitachi drive fitness and other diags. (its a Deskstar HD and I have had almost zero issue with these drives over the years.) It checks out fine, so I was correct in my initial thoughts, only the PSU was faulty.
So back to my initial suspicions that Snow Leopard or disk utility has screwed things up, maybe a bug, maybe not. And I did run verify first and it said it was OK, only when I re-ran the repair did it then do a "partition update" (or whatever it said - should have done a screen capture - searched apple but can't find listing of all mesgs avail. must be in developers site I expect). So I am back at looking at how to recover, if at all possible, but as Alsoft have said this is not something Diskwarrior can do directly. Files must still be there just partiton map is now in a ... needs to be initialised mode. Not that I will do that.
So I guess summary is possible bug/funny in 10.6 and/or disk utility.
sounds like I will be contacting Alsoft now
may read up on partition map damage first, so I get a better picture of whats involved.
Cheers and thanks for all the help/ideas.
BTW - been using macs_pcs for decades now and helping friends & family fix things as and when. This is first time needed to post on forum as always found answers to questions I had previously. Must remember the old adage of not jumping onto new technology until it has bedded down I bet if I had hooked up to the old G4 Powermac I wouldn't be in this position. Thanks again.

Data loss in original documents

Hi, we are running R/3 46C with DMS.
Typical functionality is as follows:
Using the online vault (ftp server), we checkin and out the originals from the DMS. We use MS Word/Excel as workstation applications to create/update the originals. e.g. the original is checked-out and opens as a MS Word document within the SAPGUI (Inplace DM configuration). A temporary copy is created on local workstation. Employee then updates the original and does a 'save and exit'. This checks the original back into the vault, deletes the local copy from workstation and exits the transaction.
The issue is as follows:
Person A opens the original, updates it and saves and exits. Person B (or the same person A) opens the same original document within couple of seconds or so after person A has saved and exited. In this case, person B doesnot see the updated content. So person B has no clue that the content was updated. If person B updates the content and saves it,
the content updated by person A is lost. There seems to be a performance issue resulting in potential data loss. The trace files for sapftp indicate good performance without any timeouts etc. between the workstation and the online vault (ftp server).
Not able to nail the cause. Any ideas or suggestions will be appreciated.
Thanks
Nirmal

Hi Iring,
I appreciate your suggestion. I think I understand it, however, in my case, the issue is after the original is checked into the vault. Once a user has updated the original and checked it into the vault (using 'save and exit' button), the transaction ends successfully, with a message "Document Info record <doc typ> <doc number> changed". This gives an impression that the original has been checked-in and the contents have been saved. If I open the same original within couple of seconds of the first save, the original does show as checked-in. However, intermittently, I would not see the content that was changed as part of the first save.
The ftp log shows no errors and indicates good performance.
Regards
Nirmal

Total data loss!

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