Unable to mount RAID external hard drives since upgrading to OS X 10.7.4...

Hi. Since upgrading to Mac OS X 10.7.4 I am unable to mount any of my G-Tech Raid hard drives. Does anyone know of a solution or if Apple are aware of this issue?

I would suggest that you ask G-Tech if new firmware is required for 10.7.4.
Allan

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Can't mount WD external hard drive after upgrade to Mountain Lion

I have two external hard drives on my iMac. One for Time Machine and Aperture Library Files (My Book Essentials formatted Mac OS Extended Journaled) - this works fine.
The other is an older WD 500Gb drive which is partitioned Windows_Fat_32. (Keep in mind, I'm not even sure what this means exactly). It contained my iTunes library and a lot of photo backups. It worked fine on my iMac with Snow Leopard, but since upgrading to Mountain Lion, it won't mount. I get an error that says "this drive is not readable by this computer" and I get options to "intialize", "ignore", or "eject". Disk Utility sees the drive but won't let me do anything with it. Is there a way to salvage this data? I don't mind reformatting after I move the data or getting a new drive, but I don't want to lose the data. My iTunes music files are extensive and they are on the good external drive, but the "library" is on the bad one...
Sorry if I haven't explained well..

hi,
it is kind of late, but I wonder, did you manage to solve the issue?
I have lacie drives, and the firmware upgrade is apparently required, but I cannot find the appropriate one at lacie's website... the ones i tried do not recognize my drive...
my lacie quadra d2 250 GB (USB, FW 400, 800) goes to sleep, and does not wake up....
I'm still searching for help...
ps: lacie's support page is quite hard to pierce, they require one to sign up, but no support for latinaamerican countries... so I could not sign up, therefore could not reach their support

Unable to mount Western Digital Hard Drive after upgrade to 10.6.4

I have tried to search for a solution to my problem, but have not found anything that seems to help. So hopefully someone here can provide some guideance.
I have a Western Digital 1TB My Book that I have been using primarily for backing up photos. The drive is formatted as FAT-32 so I can work with it from my Windows XP laptop too if I need to (although my Windows laptop mostly collects dust since getting the Macbook). I have been using the feature in Adobe Lightroom to automatically backup each photo to the My Book when it is being loaded into Lightroom. I also backup the Lightroom catalogs to the My Book.
Occassionaly I would get the "beach ball of death", but not always related to being in Lightroom at the time. I recently had a beach ball incident. After a restart and using Disk Utility on the Macbook's HD, I decided to check for any updates. At this time I ended up upgrading from 10.6.3 to 10.6.4. After doing the upgrade, I can see the drive in Disk Utility, but the "My Book" volume is greyed out. Running "Repair Disk" has no effect. The "Repair Disk Permissions" buttons are greyed out. I cannot get the My Book volume to mount to be able to use the drive. If I plug the drive into my Windows XP laptop, Windows can work with it just fine. I ran the windows check disk program, which took 24 hours on 1TB, and it did not find anything. Plug back into my Macbook, and it still cannot mount the My Book volume.
I also tried to plug in a Western Digital My Passport portable 400GB drive which is powered by the USB and does not require a separate power supply cord. It has the same issue where the "My Passport" volume cannot be mounted.
Does anyone have any ideas on how to get the Macbook to mount the drive again? NOTE: I'll probably not be able to try any suggestions or respond until Monday, but if there are multiple suggestions queued up over the weekend it will give me a good starting point when I can get back to this on Monday.
Thanks,
Jim

tempest68 wrote:
The Combo Update worked. But I need to know why.
Although I have no proof or authoritative source that confirms this, using the Combo seems to account for anything missed by or changed since earlier updates.
This originally started after check for updates, and the 10.6.4 update is when the problem started. What is different about the Combo Update, ...
Pragmatically, the difference is that it just works for me. Mathematically:
Combo http://support.apple.com/kb/DL1048 is File Size: 887.37 MB
Incremental http://support.apple.com/kb/DL1049 is File Size: 607.21 MB
887.37 - 607.21 = 280.16 MB more in the Combo.
... and how would I have known about it had someone else not directed me to it.
If you have skipped some updates, your Mac's Software Update... (SU) will suggest Combo.
Someone else (Thanks, Defcom! ) told me about Combos years ago while I was still running 10.3.x.
BTW, many users never use or seem to need the Combo.
You seem to be an experienced user. If you have been using Macs trouble-free for a long time without updating via the Combos, you may decide not to bother with the Combo except in specific cases where you have a problem that isn't corrected by other fixes.
Is there somewhere on the website I need to check regularly in addition to the normal updates?
You can search Support Downloads for the latest Combo Updates any time.
http://support.apple.com/downloads/
You can decide when to search any way you choose, but here is my process:
• I set my Macs' SU Preferences to Check for updates: "Daily."
• I do NOT enable "Download updates automatically."
• When SU notifies me that a Mac OS update is available, I quit SU without installing anything.
• Then I repair permissions, download and install the Combo, and repair permissions again.
• I then run SU again to install any other updates that are available on the same date.
Message was edited by: EZ Jim
Mac Pro Quad Core (Early 2009) 2.93Ghz w/Mac OS X (10.6.4) MacBook Pro (13 inch, Mid 2009) 2.26GHz (10.6.4)
LED Cinema Display G4 PowerBook 1.67GHz (10.4.11) iBookSE 366MHz (10.3.9) External iSight

Since upgrading to Lion I can no longer mount my external hard drive

I backed up about 10 minutes before installing Lion when I was on Snow Leopard. I know my drive works fine and there are no issues with it.
However, when Lion was installed, I wanted to perform a Time Machine Backup, but it said my backup disk was unavailable. I checked in the Finder and it wasn't showing up in the side bar, even though it was connected to my Mac and the indicator light on the hard drive itself was flashing - suggesting drive activity. I can also hear the drive spinning.
I opened Disk Utility and the external hard drive appears in the side bar and it says 'WD My Passport 071A Media'. Underneath that is the 'Time Machine Backups' drive which is greyed out. I have tried right clicking on it and choosing Mount but it won't mount, and I have also tried Repair Disk which doesn't finish, but also doesn't report any errors either. If I run Verify Disk and Repair Disk on the 'WD My Passport 071A Media' drive (which is the same drive) it does not report any problems and says the drive is working fine.
I have tried updating the drive's firmware and using different ports but neither have worked. I have also tried rebooting my Mac.
I really need to use this drive to backup and I can't format it because I can't afford to lose any data on there. Could someone please give me some advice or tell me how to fix this? I would appreciate it so much.
Thanks,
Nathan

Nathan Miah wrote:
Is there absolutely anything else I could do to sort this such as phone Apple Support
If you want.
or maybe install Snow Leopard using the disc it came on with my Mac and just set it up from a Time Machine Backup on my external hard drive (since it works under SL)?
Did you install Lion on an empty partition, or did you upgrade Snow Leopard? If you upgraded, I'd not recommend erasing it, since your backups are apparently gone. It's doubtful Snow Leopard will recognize them.
It's not just backups on the drive either, there are other important things on there, so why won't they show?
Mixing Time Machine backups and other data is not a good idea. See #3 in Time Machine - Frequently Asked Questions. It sounds like the whole disk is corrupted.
I just really don't understand how this happened. Could it not be an issue with WD because they haven't issued firmware to support Lion yet?
If this is a simple external HD, connected by USB or FireWire, no, unless you installed some of WD's software on it. That shouldn't prevent it from being seen at all, but anything's possible.

G-Raid external hard drive won't mount -- have tried almost everything!

My iMac (Intel , OSX 10.4.11) has been happily working with my G-Raid external hard drive for over a year. But now, after the computer cord was disconnected yesterday, it refuses to mount the G-Raid or recognize it anywhere. Can't find it in the Disk Utilities or under "About this mac -- Firewire." Called Apple service and tried everything the agent recommended...PRAM diagnostic reboot, power surge, plugging, unplugging...nothing helped. The problem isn't with the G-Raid, which works fine plugged into my old Powerbook with the same firewire. Grateful for any help, as I really need the G-Raid -- it's got all my projects, music, photos....

Can you plug it in with a USB cable on your iMac? That might get you through your crisis and even resurrect your Firewire connection. Accidentally breaking the connection on my external Firewire drives happens too often as the connector doesn't make a snug fit compared to USB. It's not a problem unless there was something in your buffers at the time the connection was broken. You may need to Repair the drive using Disk Utility when it eventually reconnects or all may be well without more intervention.

I am having issues with my external hard drives since installing Mountain Lion

I am unable to get my time machine to backup consistently on my external hard drives since installing Mountain Lion. One of my drives seems to have lost all data since installing Mountain Lion. Is this problem cropping up with other folks? BTW, all of my drives are Lacie brand.

Marzomo wrote:
One of my drives seems to have lost all data since installing Mountain Lion.
Do you mean, when you select it to be used for backups, the Preferences window shows "none"? If so, that's not a problem. That doesn't get updated until the next backup to that disk is finished. See #B3 in Time Machine - Troubleshooting

My MacBook Pro won't let me mount my external Hard Drive. Just trying to restore my iTunes library.

My MacBook Pro, less than a year old, started acting weird. I backed everything up, took it in to Best Buy, who sent it out to Apple Repair and they put in a new motherboard.
It's running on Mac OS X Version 10.7.4
Now I am trying to put everything back on the computer from my external Maxtor 80GB Hard Drive. MacBook Pro won't recognize the external drive.
I tried Disk Utility. I can see the external drive, and did a repair disk and verify disk. Several times. Each time it says "This partition map seems to be ok."
However, I am not able to mount it, as that option is greyed out and i can't select it.
Also, under the Icon for the external hard drive, it has the Macintosh HD Icon (essentially my computer). I tried to restore this way, didn't work.
I need this to mount, as it has all of my itunes stuff on it; dozens of my sons movies, and my entire iTunes library.
PLEASE HEEEEELP!! HOW CAN I MOUNT THIS EXTERNAL HARD DRIVE? Thank you in advance

Try things in this USB/Firewire faq.
DALE

Laptop no longer can mount my external hard drive

After updating to Mavericks, my laptop no longer can mount my external hard drive. What on earth is going on here and how can I fix this?

The drive is spinning and I was using it the night before I updated my macbook. It is viewable in disk utility but not in finder, and attempts to mount it are thwarted. The problem is literally coincident with updating the mavericks. When I click verify it didn't appear to have any problems but I will retry when I am back at home and report the findings.
It is a Toshiba 1GB external hard drive and has adequate power. Lights are on, etc.
I have not checked on another computer as do not have one available, but that will be my next step.

Unable to back up external hard drive via Time Machine. Says no room but has back ups from two previous Mac notebooks on it. Tried deleting them and now can't do anything. Any ideas?

Unable to back up external hard drive via Time Machine. Says no room but has back ups from two previous Mac notebooks on it. Tried deleting them and now can't do anything. Any ideas?

As john noted, eventually that external is probably not going to be big enough, but it certainly is for now. The HD just needs enough capacity to cover the amount of data on your internal HD, not the internal HD's total capacity.
Format/partition the external as follows and you should be set to go:
1. Connect the external HD to the MBP.
2. Open Disk Utility on the MBP.
3. Select the external HD in the left pane.
4. Click on the Erase tab.
5. Choose the Format: Mac OS Extended (Journaled).
NOTE: if you want to zero the HD (which I always think is a good idea, but does take time), click on Security Options, click the button for Zero Out Data, click OK. The larger the HD, the longer this will take, in some cases several hours.
6. Click on Erase and wait for the entire process to finish.
7. Click the Partition tab.
8. Click on Volume Scheme: and choose the number of partitions (just one in this situation).
9. Click on the Options button (located underneath the Volume Scheme pane) and select GUID.
10. Click Apply.
11. Quit Disk Utility.
Backup your internal to the external. What application are you using to backup with? I highly recommend both SuperDuper! and CarbonCopyCloner.

I mounted my external hard drive to a pc and now I don't have edit or write permissions on my Mac (read only). How do I get them back without erasing the drive?

Hello all, I am a photographer and have my portfolio, edited and raw images backed up on a Seagate Free Agent External Hardrive. I mounted my external hard drive to a pc recently and now I don't have edit or write permissions to it on my Mac (read only). How do I get them back without erasing the drive and loosing my valuable work?

If you re-format it you will lose all the data on it!!!!! So make sure you have backed up the drive or moved all the data on it to another external HD or the internal HD on your iMac.
Below is an Apple Advice letter that explains how to format an external HD, it's written for Aperture but you can use the instructions to formate any external HD.
http://support.apple.com/kb/HT3509

Mount an external hard drive in single user mode

Do any know how to mount an external hard drive in single user mode:
I've issue the following command:
/sbin/mount -uw /
mkdir /Volumes/ex1
/sbin/mount_hfs /dev/disk2s3 /Volumes/ex1
(I've checked my external hard drive using df -k showing the device is disk2s3)
Result:
Permission denied

Hi leung wai,
   I wouldn't mind knowing the answer myself. I think the problem with doing it in the manner you attempted is that the device tree hasn't been created yet so the mount command is certainly not going to work. I assume that the answer is to start up enough of the system to have the device tree created. Unfortunately, I don't know where in the startup process that occurs. You could try the following command after making the boot volume writable:
/usr/libexec/registermach_bootstrapservers /etc/mach_init.d
Then check to see if the /dev virtual filesystem has been created. Of course it wouldn't surprise me if that didn't also mount your disks. If not, try the following:
/sbin/SystemStarter
It should have been created after that because at that point almost the whole system has started.
Gary
~~~~
   You've been telling me to relax all the way here, and
   now you're telling me just to be myself?
         -- The Return of the Secaucus Seven

I want to be able to backup my iPhone 4 to an external hard drive since I don't have enough space on my Windows hard drive, how do I do that?

I want to be able to backup my iPhone 4 to an external hard drive since I don’t have enough space on my Windows hard drive, how do I do that?

Go through the below forum with similar issue and follow the process mentioned by "Macjack" in the beginning.
https://discussions.apple.com/thread/4499820

Can I mount my external hard drive which will be compatible with both Mac and Windows?

Hello,
Can I mount my external hard drive which will be compatible with both Mac and Windows? If yes, then please let me know, because I intend to use my hard drive for both Windows and Mac, without losing any file.

Yes. By default, Mac OS X and Windows can read and write drives which are formatted as FAT32 or exFAT; NTFS drives aren't writable from Mac OS X without additional software.
(124553)

How do I set up my G Raid external hard drive on my iMac

just bought a brand new G Raid external hard drive to act as my time machine back up and external storage source for music and film. I have no idea how to set it up and to get things rolling I have simply plugged it in.
any suggestions?

Matt cool...
the G Raid drive has worked perfectly then it is my understanding that is rather limited
so I have a 4T drive which means that I have two drives of 2T
as this is acting as my Time Lapse on my iMac which gives me an automatic back up every 10 mins at the moment which I am guessing is to regular and I can change this?
Therefore I should buy a further drive (in spain at the apple store cost is 350 euros) and on this drive I should store all my content music and film as I should have a minimum of data stored on teh internal hard drive on the iMac itself to improve functionality?
does the same apply for my MacBook Pro? this is a mobile solution for film and music (final cut pro and logic) or do I use a solution that does not need an external power source?
any suggestion welcome

My G5 will no longer mount any external hard drive

I am running a G5 Power PC on OS10.4 and am recently unable to mount any of my 4 external hard drives via firewire 400, 800, usb on either front or rear buses. I have tried multiple cables, power supplies, and have run disk utility but still cannot see any of my external drives. I have disconnected everything and shut down my computer for 15 minutes, restarted with one drive at a time, and still nothing. Any other ideas before I lug my desktop in for repair?

I have disconnected everything and shut down my computer for 15 minutes....
Don't just shut it down, shut it down and disconnect it from wall power for 10-15 minutes.

Unable to mount RAID external hard drives since upgrading to OS X 10.7.4...

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