Data rescue 3 external drive recovery .Invisible external hard disk 1 tb., I want a refund.

data rescue 3 external drive recovery .Invisible external hard disk 1 tb., I want a refund.

I personally would use Disk Warrior before attempting to recover any data for that exact reason.

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My 2007 Macbook pro Intel Core 2 Duo   Processor Speed 2.33 GHz has power issues with one or some of my USB powered devices. Last night I could not back up my Lacie external drives with software SuperDuper, hard drive copier. I also had a message that Tim

My 2007 Macbook pro Intel Core 2 Duo   Processor Speed 2.33 GHz has power issues with one or some of my USB powered devices. Last night I could not back up my Lacie external drives with software SuperDuper, hard drive copier. I also had a message that Time machine failed. I have two powered 12V USB
routers that are plugged into a 550VA CyberPower surge protector. I often receive these insufficient USB power for devices messages a dozen times even when I do not have devices like camera, Ipad, Ipod, and Tascam digital audio recorder plugged in. Is there a way to troubleshoot these USB routers or should I consider that one of the routers may be defective and replace them?
David

My 2007 Macbook pro Intel Core 2 Duo   Processor Speed 2.33 GHz has power issues with one or some of my USB powered devices. Last night I could not back up my Lacie external drives with software SuperDuper, hard drive copier. I also had a message that Time machine failed. I have two powered 12V USB
routers that are plugged into a 550VA CyberPower surge protector. I often receive these insufficient USB power for devices messages a dozen times even when I do not have devices like camera, Ipad, Ipod, and Tascam digital audio recorder plugged in. Is there a way to troubleshoot these USB routers or should I consider that one of the routers may be defective and replace them?
David

Can time machine be used to back up one external drive to another external drive?

I use the photography program Lightroom to organize and develop digital photos. All my photos are stored on my iMac internal drive. The internal drive is almost full so I want to move my photos to a new external drive. At present, I have an external drive devoted to backing up my iMac using time machine. I have no need to change this arrangement. I would like to use a new external drive to serve as the primary location for my pictures, which I will move from the internal drive. Then I would like to backup that drive to a third external back up drive. Can time machine be used to automatically back up the second drive to the third drive as well as for continuing to provide ongoing backups to my internal drive as it is currently doing?
Thank you in advance for your assistance.

Jeffery t wrote:
Thanks for the links, but I don't see in the pondini links, the scenario I am asking about.
Time Machine can easily back up multiple internal and/or directly-connected external drives and partitions simultaneously (but Time Machine cannotback up data that's on a network).
From the first link.
Jeffery t wrote:
... Please note that my iMac internal drive is backing up to external drive number 1 using time machine. I want my pictures on external drive two and those backed up to external drive three. So are you saying that if I have 500 GB of pictures on drive number 2, I will need a third drive that is at least 1 TB?
the confusion starts in your above statement...
There should be Only One Time Machine Drive.

Can i use my external drive for TM and files i don't want on my mac HD

my hard drive has a total of 232.57g which is not nearly enough space to save all my pictures, movies, etc. i've been using a 300g external drive to save my pictures, movies, etc. which is now full so i bought a maxtor one touch 4 750g to hopefully back up my computer using time machine, my 300g external drive, and whatever new pictures, movies, etc.
if i set up my new external drive for time machine can i still put the pictures, movies from my 300g external drive and whatever new pictures, movies, etc. on my new 750g external drive?
do i need to make a partition? if so can you tell me how?
should i not use time machine?
any information is appreciated

mac HD
capacity: 232.57g
available: 170.29g
iomega
capacity: 298.02g
available: 14.29g
one touch 4
capacity: 698.51g
available: 698.36g
thanks for the quick reply but i need to explain it better or ask, once all is backed up from my mac HD and my iomega external drive to my new one touch 4 i want to stop using the iomega since there isn't much room left on it
will i be able to add files directly to the one touch 4 without having those files saved to my mac HD like i do now?
or will TM remove my files the next time it backs up my mac HD since i won't have the iomega on anymore?

I just purchased an external disk drive to store my pictures. I want to keep the last 12 months of pictures on my iMac and move the rest to the new external drive. As new pictures are added I want them to be put on the iMac internal drive. How?

I just purchased an external disk drive to store my growing number of pictures. I want to keep the last 12 months of pictures on my iMac and move the remaining pictures to the new external drive. As I take more pictures I want them to be put on the iMac internal drive. Every 3 to 6 months I would then move some additional pictures to the external drive. I am nuervous about losing any of the pictures and want to make sure I follow the proper procedure. What is the right way to handle this?
Thanks.

Here's one way to do what you want:
Make sure the drive is formatted Mac OS Extended (Journaled)
1. Quit iPhoto
2. Copy the iPhoto Library from your Pictures Folder to the External Disk.
Now you have two full versions of the Library.
3. On the Internal library, trash the Events you don't want there
Now you have a full copy of the Library on the External and a smaller subset on the Internal
Some Notes:
As a general rule: when deleting photos do them in batches of about 100 at a time. iPhoto can baulk at trashing large numbers at one go.
You can choose which Library to open: Hold down the option (or alt) key key and launch iPhoto. From the resulting menu select 'Choose Library'
You can keep the Library on the external updated with new imports using iPhoto Library Manager

My external drive won't mount. Disk Utility says it can't repair disk and to backup the disk and reformat, but how can I do that if it won't mount?

My external drive won't mount. Disk Utility says it can't repair disk and to backup the disk and reformat, but how can I do that if it won't mount?

See mount section in 1st linked article.
Disk Unmount Using Terminal
Disk Utility – Force Mount Disk

System recognizes external drive but does not eject disk

I connected external DVD drive to imac and clicked on 'Eject Remote Disk' from File. Nothing happened.
System recognizes external drive but does not eject disk. What should I do next?
<Re-Titled By Host>

Run this command this in the Terminal app:
drutil eject -drive external

Hard disk stop working how can recovery may new hard disk on mac book pro and i not have recovery disk the recovery is installed in soped hard disk

i have macbook pro the recovery is in hard disk and not have recovery disk and hard disk stop working now i want to change hard disk but how can i recovery my macbook pro can help me ?

"it shows macintosh HD OSX 10.9.5 but the hard drive that is supposed to be in the upper right corner is not showing up. So it is booting from that drive."
Ok go to "Finder" preferences and make sure the "Hard disk" box is checked.
That will make your boot disk show up in the upper right corner. You can tell it's a boot disk because all the files will look like this instead of just being blank files.

External drive not showing up - which disk initialization method will NOT erase the data on that external hard drive?

Hi,
as thousands of other users, my WD Passport drive worked like a charm until yesterday and now it wont show on any computer, but does show in the Disk management and when plugged in , the Disk Management offers two ways of initialization : MBR and GPT
i dont understand any of that and want to know if any of those two methods will make the disk initialize wITHOUT loosing the data on the drive?
i looked on so many forums and some people say that it will and others that it will not erase the data.
can you please tell me what is correct?? also a suggestion is to add some more wording to that initializaiton dialog box so that we can know what initialization does and doesnt
thank you so much
t

Try connecting it to a different computer to see if you can access the data, under no circumstances should you Initialize the drive as all existing data will be lost.
If you still can't access your files, then remove the drive from the case and connect it via an extra SATA cable and power connector (you usually need a desktop PC in order to do this if the drive is a 3.5 inch model, a 2.5in drive will fit into a laptop
if you have a spare slot).
J W Stuart: http://www.pagestart.com
Never be afraid to ask. This forum has some of the best people in the world available to help.

External Drive with invisible files

I have a MAC OS Extended format hard drive that I am attempting to clean up to make room for transfering some data. I have removed all the visible folder and files, but both finder and Disk Utility show that there are over 173 GB of data (over 2 million files) still on the volume. The drive is a 500 GB LaCie that I partitioned into two equal parts of 250GB. The other Partition was used exclusively for TM Backups. I want to reformat the drive ( the old back up partition I dont care about). but I am afraid of erasing files that I can't see.
Is there such a thing as an invisible file?
How can I find out what they are and why they are taking up so much of the drive?
I did run DU to Verify the volume and it checks out with no errors.
It is possible that they could be windows files that we used with Parallels at one time. But we no longer use Parallels. I would think that I would be able to see them even if I can't open the files.
I am running Lion on an iMac. The external drive is connected with firewire.

If you want a cleared (erased) unpartitioned 500 GB drive, then do this:
Drive Partition and Format
1. Open Disk Utility in your Utilities folder.
2. After DU loads select the hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed.
Yes, there are invisible files. The OS has thousands of them that are kept invisible to the user.

Is there any way to restore data from an external drive to another external drive without using the macbook pro you backed up?

Is that I sold my macbook pro an the person who bought it needs it quickly so I have an external drive but it is not portable so I bought a portable external drive but it may take a while to arrive so I backed up my data with the external drive that I have in my house but I would like to know if I can restore my data to the new external drive without the macbook pro and just with the external drive of my house to the portable external drive.
Thank you

No, that's not possible. A computer is required in order to effect such a transfer. Connect both drives to your computer. You can use Disk Utility to clone one drive to the other. Be sure you first partition and format the new drive:
Drive Partition and Format
1. Open Disk Utility in your Utilities folder.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Apply button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Security button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.
Steps 4-6 are optional but should be used on a drive that has never been formatted before, if the format type is not Mac OS Extended, if the partition scheme has been changed, or if a different operating system (not OS X) has been installed on the drive.
Clone using Restore Option of Disk Utility
1. Open Disk Utility in the Utilities folder.
2. Select the destination volume from the left side list.
3. Click on the Restore tab in the DU main window.
4. Select the destination volume from the left side list and drag
it to the Destination entry field.
5. Select the source volume from the left side list and drag it to
the Source entry field.
6. Double-check you got it right, then click on the Restore button.
Destination means the new external drive. Source means the old external drive.

I have an external drive - WD My Passport FOR MAC. I want to format it to work on both mac and windows. Which format do you think I should use? Will either one cause damage to the files on the hard drive?

I have an external hard drive - WD My Passport FOR MAC. I want to format it to work on both mac and windows. I also want to be able to connect it to my TV and watch movies.
I read up and I think I am supposed to use exFAT or FAT32? I also saw MS-DOS. Which format should I should use? Will any of them cause damage to the files on the hard drive?
My little memory stick uses MS-DOS and it works on both mac and windows.
Please can you just tell me a little about each and suggest which one to use.
I know how to change it once you tell me so don't waste your time writing about changing it.

Will any of them cause damage to the files on the hard drive?
WARNING: FORMATTING A DRIVE ERASES IT COMPLETELY !!
If you need to carry large files (e.g., larger than about 4GB) back and forth, you may need ExFAT. Otherwise MS-DOS works for smaller files.
The Mac can Read, but not write Windows New Technology File System (NTFS) without an add-on program such as Paragon NTFS.

Data Rescue II AND Disksaver for failing hard drive?

I need some guidance on rescuing data from an internal hard drive that Disk Utility could not fix. (The drive is making an odd noise, and apparently has a mechanical problem.)
Data Rescue II appears to successfully cloned my iMac's drive, while Carbon Copy Cloner and SuperDuper froze when I attempted to use them on it.
I just finished my cloning of the problem drive with Data Rescue II last night, and I'm debating my next step. I bought Diskwarrior as well, but haven't opened the box yet.
Should I now use Diskwarrior to build a new directory for the clone, or is that new directory generated by the Data Rescue cloning? Also, can you boot from the clone created by Data Rescue II?
I'm thinking of having a replacement drive installed in my iMac, then cloning back to it from the clone I made last night, if it's healthy. Any thoughts?

Gary,
Always interested in drive failures (and trying to avoid 'em!)
Saw a link on StorageReview to a study done by Google:
Predicting hard drive failures
Its a study by some Google employees on the failure rates of disk drives deployed within their infrastructure.
Failure Trends In A Large Disk Drive Population
Examining the population of hard drives under deployment within Google
* In general, there are around four ways a HDD will fail. Firmware zone corruption, electronic failure, mechanical failure, and logical corruption. Unfortunately, S.M.A.R.T only handles a subset of the "mechanical failure" category (mainly media failure and thermal failure), and does not protect against single instance/incident catastrophic mechanical errors (head crash, spindle/servo motor failure, stick-shun).
* I was surprised about the lack of correlation found between elevated temperature and expected drive reliability. The graph only went up to 50 C, though, and I would expect a much stronger correlation once the temperature reached beyond typical max temp specs.
* I give props to the google crew for their SMART correlation analysis. I would have loved to see a quick postmortem on all of the failed drives to determine cause, and a breakdown into the top four categories.
* Side note, logical corruption may lead to data loss, but it does not necessarily mean that the HDD has failed.
Findings:
* After a first scan error, drives are 39x more likely to fail within 60 days.
First errors in reallocations, offline reallocations, and prob ational counts are also strongly correlated to higher failure probabilities.
* A large fraction of our failed drives have shown NO SMART error signals watsoever.
* There was a lack of a consistent pattern of higher failure rates for higher temperature drives for for those drives at higher utilization levels.
* Some of the charts point to drive failure early on, a "survival of the fittest" perhaps.
http://labs.google.com/papers/disk_failures.pdf
SMART is not that reliable at predicting, of course if it shows a problem, it is just that much worse. I try to torture and kill a drive right off the bad, if it survives the first week of abuse, it is probably going to survive anyway. But being paranoid, never leave data to chance, assume that it will some day fail or at least need to be reformatted or retired.
Mac Pro 2GHz 4GB 10K Raptor 23" Cinema Mac OS X (10.4.8) WD RE RAID DW 4.0 APC RS1500 Vista

External drive becomes invisible

End of the day yesterday, I shut down my system. Nothing moved overnight. Today I start up, but I cannot see my LaCie External drive. Tried a different FW800 cable, still no change. The drive switches on when it should, ie when it is plugged into the Mac, and I can hear it spin up, but no icon appears on the desktop. I've tried all the permutations of restarting, pulling the plug, re-plugging, to no avail. Anyone know what to do next?
Regards,
John

Hi John Howarth-
I have had this happen more than once.
It is the power supply brick to the drive itself. It is a tough one because the little blue light comes on and the drives spin up but nothing.
LaCie had a batch of bad power supplies a while back. If your drive is under warranty they will send you a replacement brick. If not, they sell them on their site for about $20 US.
As an aside, I bought a spare brick about a year ago as I have several of the drives, and not one of the supplies has failed since. Cheap insurance
Luck-
-DP

Boot from FireWire External Drive WITHOUT mounting internal Hard Drive

Is it possible too boot a PowerBook G4 over FireWire (this part works) WITHOUT mounting the internal hard drive at boot time - i.e. never mount the internal hard drive when booting from FireWire?
There is an Oreilly article at http://www.oreillynet.com/pub/h/341 which discusses using "niutil" but it is not clear how to indicate the internal hard drive should not be mounted.
The boot from FireWire works fine but how do you tell Mac OS X to ignore and never mount the internal hard drive? There used to be an /etc/fstab file where you could specify drives to mount. The /etc/fstab.hd file comments now say "IGNORE THIS FILE.
This file does nothing, contains no useful data, and might go away in
future releases. Do not depend on this file or its contents."
Thanks,

That is not the problem - I have been using the startup manager by holding down the option key during boot-up. I am having no problem getting the PowerBook to boot from the FireWire Drive.
*The Problem* is that after the PowerBook has booted from the exernal FireWire drive, I still see the internal hard drive of the PowerBook on the desktop. I do not want this. Some key points to note:
[1] I can unmount the interal hard drive and remove from the desktop only by using the Disk Utility in the Applications/Utilities folder. There is a button there to "unmount selected volume"
[2] The finder does not have an icon next to the internal hard drive icon to allow the internal hard drive to be unmounted when booted from a FireWire drive
[3] I want the MacOS X kernel to be configured to not automount any hard drive volumes at bootup - this used to be possible by editing the /etc/fstab.hd file but that file does not appear to be used any more per the commennts in the file.
**Remaining Question** How do you configure the MacOS X kernel to prevent it from mounting any other hard drive at boot time? I do not want to use methods [1] or [2]
Thanks

Data rescue 3 external drive recovery .Invisible external hard disk 1 tb., I want a refund.

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