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Q: Timed out while trying to mount drive

OS X El Capitan, version 10.11.4

iMac (27 inch, Late 2009)

Processor: 2.8 GHz Intel Core i7

Memory: 4 GB 1067 MHz DDR3

 

I can no longer access my external Time Machine Drive (disk1s2).

While I can see it when I run the command line "diskutil list", it times out when I try to mount it. This also occurs when I try to access it via the "Disk Utility" app.

 

When I run the command line "diskutil info", the only difference compared to the other partition on the same disk is that the Journal is "Unknown (not mounted)" and the Owners are marked as "Disabled".

 

Here are the outputs from the command lines I ran:

*Output from "diskutil list".

 

/dev/disk0 (internal, physical):

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:      GUID_partition_scheme                        *1.0 TB     disk0

   1:                        EFI EFI                     209.7 MB   disk0s1

   2:                  Apple_HFS Untitled                999.3 GB   disk0s2

   3:                 Apple_Boot Recovery HD             650.0 MB   disk0s3

/dev/disk1 (external, physical):

   #:                       TYPE NAME                    SIZE       IDENTIFIER

   0:      GUID_partition_scheme                        *3.0 TB     disk1

   1:                        EFI                         209.7 MB   disk1s1

   2:                  Apple_HFS Time Machine            1.5 TB     disk1s2

   3:                  Apple_HFS Movies and TV           1.5 TB     disk1s3

 

*Output from command line "diskutil mount /dev/disk1s2":

 

Volume on disk1s2 timed out waiting to mount

 

*Output from "diskutil info -all" for the specific device:

**********

 

   Device Identifier:        disk1s2

   Device Node:              /dev/disk1s2

   Whole:                    No

   Part of Whole:            disk1

   Device / Media Name:      Time Machine

 

   Volume Name:              Time Machine

 

   Mounted:                  No

 

   File System Personality:  HFS+

   Type (Bundle):            hfs

   Name (User Visible):      Mac OS Extended

   Journal:                  Unknown (not mounted)

   Owners:                   Disabled

 

   Partition Type:           Apple_HFS

   OS Can Be Installed:      No

   Media Type:               Generic

   Protocol:                 USB

   SMART Status:             Not Supported

   Volume UUID:              9D99F2EA-94B4-390F-8574-EA3935B68F82

   Disk / Partition UUID:    B85C32C2-916C-4923-9888-66C9F65FC9F8

 

   Total Size:               1.5 TB (1500296511488 Bytes) (exactly 2930266624 512-Byte-Units)

   Volume Free Space:        0 B (0 Bytes) (exactly 0 512-Byte-Units)

   Device Block Size:        4096 Bytes

 

   Read-Only Media:          No

   Read-Only Volume:         Not applicable (not mounted)

 

   Device Location:          External

   Removable Media:          No

 

 

Hope you can help! Thanks.

iMac

Posted on Aug 14, 2016 6:18 AM