WD external drive won't repair - exit code 8

Hi There,
I have a MBP (2010) running on OS X Yosemite (10.10.2) and used to save my media files in a WD 1T My Passport external HD formated as Mac OS Extended.
Few days a go I tried to plug the drive but it doesn't appear in Finder and gave this error message:
When trying Initialize the Disk Utility the HD appears there but its single Volume wouldn't mount. After running Disk Verification it asked for Repair. When trying to repair the disk this message was stated:
The 1 TB WD My Passport info is this:
I tried to Mount it through Terminal but couldn't succeed either...
Tried Disk Warrior and it ended up freezing every time it gets in the error partition...
I do backup this 1 T HD eventually but haven't done that for few months and if I am not able to rescue the recent data I will loose plenty of important photos/videos, including my niece's first birthday...
Don't know anymore what to do! I am trying even to rescue and save/backup my recent media so I could format this HD again.
Anyone have any idea?
I appreciate the HELP, thanks
Márcio
Message was edited by: Marcio Assis

The drive is either nearly dead or completely dead. You may be able to recover information using:
My data has become inaccessible, and I don't have a backup!
Either way, once you recover information if the drive is under the manufacturer warranty you may be able to get a replacement direct from the manufacturer for free if there was no clear physical damage to it.

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Hi Support Crew...
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2010-01-22 14:21:01 -0800: Repair tool completed:
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BSD Name: disk1
Product ID: 0x047c
Vendor ID: 0x059b (Iomega Corporation)
Version: 0.01
Serial Number: 000000066273
Speed: Up to 480 Mb/sec
Manufacturer: Iomega
Location ID: 0xfd300000
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Current Required (mA): 0
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S.M.A.R.T. status: Not Supported
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Capacity: 499.97 GB (499,972,702,208 bytes)
Writable: Yes
File System: Journaled HFS+
BSD Name: disk1s10
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Cait,
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SMC RESET
Shut down the computer.
Unplug the computer's power cord and all peripherals.
Press and hold the power button for 5 seconds.
Release the power button.
Attach the computers power cable.
Press the power button to turn on the computer.
PRAM RESET
Shut down the computer.
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Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
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Repairing Permission only deals with installer receipts and system components. Not with mounting or accessing hard drives.
Have your run Apple DU First Aid? Disk Warrior? Only use latest version for your OS.
Are you trying to clone your system to external and then repairing permissions? trying to boot from them?
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Hello everyone! I haven't been here in a while because I just haven't had any Mac issues. Now I do.
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Terminal List. disk4 is the malfunctioning drive.
Last login: Mon Feb 25 19:25:12 on ttys000
raymond-medinas-power-mac-g4-agp-graphics:~ raymondmedina$ diskutil list
/dev/disk0
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     Apple_partition_scheme                        *111.8 Gi   disk0
   1:        Apple_partition_map                         31.5 Ki    disk0s1
   2:             Apple_Driver43                         28.0 Ki    disk0s2
   3:             Apple_Driver43                         28.0 Ki    disk0s3
   4:           Apple_Driver_ATA                         28.0 Ki    disk0s4
   5:           Apple_Driver_ATA                         28.0 Ki    disk0s5
   6:             Apple_FWDriver                         256.0 Ki   disk0s6
   7:         Apple_Driver_IOKit                         256.0 Ki   disk0s7
   8:              Apple_Patches                         256.0 Ki   disk0s8
   9:                  Apple_HFS Mac Leopard II          91.8 Gi    disk0s10
10:                  Apple_HFS Mac Tiger               19.7 Gi    disk0s12
/dev/disk1
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     Apple_partition_scheme                        *186.3 Gi   disk1
   1:        Apple_partition_map                         31.5 Ki    disk1s1
   2:             Apple_Driver43                         28.0 Ki    disk1s2
   3:             Apple_Driver43                         28.0 Ki    disk1s3
   4:           Apple_Driver_ATA                         28.0 Ki    disk1s4
   5:           Apple_Driver_ATA                         28.0 Ki    disk1s5
   6:             Apple_FWDriver                         256.0 Ki   disk1s6
   7:         Apple_Driver_IOKit                         256.0 Ki   disk1s7
   8:              Apple_Patches                         256.0 Ki   disk1s8
   9:                  Apple_HFS Mac Leopard I           186.2 Gi   disk1s10
/dev/disk2
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     Apple_partition_scheme                        *465.8 Gi   disk2
   1:        Apple_partition_map                         31.5 Ki    disk2s1
   2:             Apple_Driver43                         28.0 Ki    disk2s2
   3:             Apple_Driver43                         28.0 Ki    disk2s3
   4:           Apple_Driver_ATA                         28.0 Ki    disk2s4
   5:           Apple_Driver_ATA                         28.0 Ki    disk2s5
   6:             Apple_FWDriver                         256.0 Ki   disk2s6
   7:         Apple_Driver_IOKit                         256.0 Ki   disk2s7
   8:              Apple_Patches                         256.0 Ki   disk2s8
   9:                  Apple_HFS 500 GB HD               465.6 Gi   disk2s10
/dev/disk3
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     Apple_partition_scheme                        *931.5 Gi   disk3
   1:        Apple_partition_map                         31.5 Ki    disk3s1
   2:             Apple_Driver43                         28.0 Ki    disk3s2
   3:             Apple_Driver43                         28.0 Ki    disk3s3
   4:           Apple_Driver_ATA                         28.0 Ki    disk3s4
   5:           Apple_Driver_ATA                         28.0 Ki    disk3s5
   6:             Apple_FWDriver                         256.0 Ki   disk3s6
   7:         Apple_Driver_IOKit                         256.0 Ki   disk3s7
   8:              Apple_Patches                         256.0 Ki   disk3s8
   9:                  Apple_HFS 1 TB Music Drive II     931.4 Gi   disk3s10
/dev/disk4
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     Apple_partition_scheme                        *931.5 Gi   disk4
   1:        Apple_partition_map                         31.5 Ki    disk4s1
   2:             Apple_Driver43                         28.0 Ki    disk4s2
   3:             Apple_Driver43                         28.0 Ki    disk4s3
   4:           Apple_Driver_ATA                         28.0 Ki    disk4s4
   5:           Apple_Driver_ATA                         28.0 Ki    disk4s5
   6:             Apple_FWDriver                         256.0 Ki   disk4s6
   7:         Apple_Driver_IOKit                         256.0 Ki   disk4s7
   8:              Apple_Patches                         256.0 Ki   disk4s8
   9:                  Apple_HFS 1TB Music Drive         931.4 Gi   disk4s10
raymond-medinas-power-mac-g4-agp-graphics:~ raymondmedina$
Terminal info on disk4s10.
Last login: Mon Feb 25 22:22:41 on ttys000
raymond-medinas-power-mac-g4-agp-graphics:~ raymondmedina$ diskutil info disk4s10
   Device Identifier:        disk4s10
   Device Node:              /dev/disk4s10
   Part Of Whole:            disk4
   Device / Media Name:      Apple_HFS_Untitled_1
   Volume Name:              1TB Music Drive
   Mount Point:
   File System:              Journaled HFS+
   Owners:                   Disabled
   Partition Type:           Apple_HFS
   Bootable:                 Is bootable
   Media Type:               Generic
   Protocol:                 FireWire
   SMART Status:             Not Supported
   Volume UUID:              61A8EAFF-E1C9-3605-AF92-5A210E3C781A
   Total Size:               931.4 Gi (1000069726208 B) (1953261184 512-byte blocks)
   Free Space:               0.0 B (0 B) (0 512-byte blocks)
   Read Only:                No
   Ejectable:                Yes
   Whole:                    No
   Internal:                 No
Disk Utility Info on 1TB Music Drive.
Name :
1TB Music Drive
Type :
Volume
Disk Identifier :
disk4s10
Mount Point :
Not mounted
File System :
Mac OS Extended (Journaled)
Connection Bus :
FireWire
Device Tree :
IODeviceTree:fwx/node@90a9c5c29aa50b/sbp-2@c000
Writable :
Yes
Universal Unique Identifier :
61A8EAFF-E1C9-3605-AF92-5A210E3C781A
Capacity :
931.4 GB (1,000,069,726,208 Bytes)
Owners Enabled :
No
Can Turn Owners Off :
Yes
Can Be Formatted :
Yes
Bootable :
Yes
Supports Journaling :
Yes
Journaled :
No
Disk Number :
4
Partition Number :
10
I've read that WD uses crappy chipsets in their external drives. I'm wondering if the chipset is suspect here? Just not sure. I did discover that I can clone the drive from my PC as an exact Mac OS Extended (Journaled) drive, and my Mac doesn't even know the difference. I've also read that I can initialize the drive, and reinsert the drivers, and the drive should function normally. Interesting, huh? Well, let me know what you come up with BDAqua. And again, many, many thanks.

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Okay so after a half hour on the phone with Apple support, I finally figured it out myself: I just needed a USB 3.0 driver. The tech said usually the driver is automatically installed when you plug in the drive (which apparently it was on all the other computers I tried it on), but for some reason that didn't happen with my laptop. Soon as I installed the driver, it worked fine!

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Hi,
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Verify and Repair volume “OWC Mercury Elite AL Pro mini”
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JohnDoe2009
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Virtual Lab
FileSalvage
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This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
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2008-07-18 11:54:01 +0100: Checking Journaled HFS Plus volume.
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2008-07-18 11:54:01 +0100: Checking Extents Overflow file.
2008-07-18 11:54:01 +0100: Checking Catalog file.
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nonononon...
Every tech will offer to reformat the HDD or suggest its broken.
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Several macbook guys have given me their "broken" USB drive and the TOS is corrupted. Its really a royal pain in the back side.
What is the issue, how to make it stop?

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Check the /Volumes/ folder for a broken alias to the disk. The folder is invisible so you need to use the "Go" menu to open it.

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None of the drives were mounted when I loaded Mavericks and, as far as I know, they've not been erased. They did mount for a few weeks but doesn't look they have since the beginning of November.
I have a brand new 2013 MBP 15" Retina with 750 GB SSHD, 16 GB ram and a 2.7 GHz i7. The drives are all connected via one FW800 through a Thunderbolt dongle.

I eventually gave up. I will probably get another card at some point but it probably won't be a SIIG card. Even though they are recommended by digidesign I just doesn't seem to want to work with my G5. Maybe it's some kind of weird software conflict blocking the functionality of the card? Don't know. Two cards in a row were non functional. Something is gummin up the works and the PCI slots work with the other cards I have. The only thing I did not try is plugging in the optional power connection to the FW800 card, which is supposed to be optional. I called SIIG and they had no idea what the problem was and they also said that the power plug would not make a difference for the problem I was having. Anyway, I'm gonna keep monitoring posts to this cause I'd love to hear the answer.. but I'm throwing in the towel. Good luck to the rest of you still trying to solve the riddle.

WD external drive won't repair - exit code 8

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