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Get rid of "The disk you inserted was not readable"?

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I have OS X tri-booted with Windows and Linux. It is on the same drive as Linux's /home, with Windows being on a seperate 160GB drive and Linux applications on a 60GB SSD. Whenever I boot up, I get "The disk you inserted was not readable by this computer" twice, once for each of the two Linux disks. Is there a way to make OS X stop "seeing" these disks? Thanks

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or choose the hide option in chameleon setup
If I'm not mistaken (then apology), "Hide" option hides a disk from Chameleon's own boot disk selection menu. While the question was about OS X trying to mount disk with filesystem it can't read (when OS X is already booted and running).

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I'm sorry that I'm bringing back this old 'thread', anyway my situation is that.

I do have two volumes, one with Lion and one with an ext4 partition.

Unfortunately I cannot get the UUID through 'diskutil' (same story for 'disk utility'):

$ diskutil list
/dev/disk0
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *500.1 GB   disk0
   1:                        EFI                         209.7 MB   disk0s1
   2:                  Apple_HFS Hackintosh              499.8 GB   disk0s2
/dev/disk1
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:     FDisk_partition_scheme                        *1.0 TB     disk1
   1:                      Linux                         999.0 GB   disk1s1
   2:                 Linux_Swap                         1.2 GB     disk1s2
$ diskutil info disk1
   Device Identifier:        disk1
   Device Node:              /dev/disk1
   Part of Whole:            disk1
   Device / Media Name:      Hitachi HDS721010CLA332

   Volume Name:              Not applicable (no file system)

   Mounted:                  Not applicable (no file system)

   File System:              None

   Content (IOContent):      FDisk_partition_scheme
   OS Can Be Installed:      No
   Media Type:               Generic
   Protocol:                 SATA
   SMART Status:             Verified

   Total Size:               1.0 TB (1000204886016 Bytes) (exactly 1953525168 512-Byte-Blocks)
   Volume Free Space:        Not applicable (no file system)
   Device Block Size:        512 Bytes

   Read-Only Media:          No
   Read-Only Volume:         Not applicable (no file system)
   Ejectable:                No

   Whole:                    Yes
   Internal:                 Yes
   OS 9 Drivers:             No
   Low Level Format:         Not supported

Do you have any hint on how I can prevent 'disk1' to be automatically mounted?

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diskutil info $(df / | tail -1 | cut -d' ' -f 1)

 

from terminal

 

This is the result:

   Device Identifier:        disk0s2
   Device Node:              /dev/disk0s2
   Part of Whole:            disk0
   Device / Media Name:      Hackintosh

   Volume Name:              Hackintosh
   Escaped with Unicode:     Hackintosh

   Mounted:                  Yes
   Mount Point:              /
   Escaped with Unicode:     /

   File System Personality:  Journaled HFS+
   Type (Bundle):            hfs
   Name (User Visible):      Mac OS Extended (Journaled)
   Journal:                  Journal size 40960 KB at offset 0xe8e000
   Owners:                   Enabled

   Partition Type:           Apple_HFS
   OS Can Be Installed:      Yes
   Media Type:               Generic
   Protocol:                 SATA
   SMART Status:             Verified
   Volume UUID:              A9EDEAAA-5F50-323E-AA07-F7BE21C30BE0

   Total Size:               499.8 GB (499763888128 Bytes) (exactly 976101344 512-Byte-Blocks)
   Volume Free Space:        435.2 GB (435241730048 Bytes) (exactly 850081504 512-Byte-Blocks)
   Device Block Size:        512 Bytes

   Read-Only Media:          No
   Read-Only Volume:         No
   Ejectable:                No

   Whole:                    No
   Internal:                 Yes

I can get the UUID of the HFS+ partition even with "disk utility", but I need to prevent the other disk from mounting (ext4) or I'll get the "disk you inserted is not readable by this computer" message anytime I boot on Lion. Thanks tho.

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one option is to install a third party filesystem-driver that has Linux filesystem support so you'r able to r/w disks in Mac OS, then you'r able to get the UUID and put that inside /etc/fstab so it doesn't auto mount on each boot. There is a better option when using MBR / Fdisk scheme type disks with linux installed onto them and this involves creating a additional FAT32 partition just before the linux 'slice' so OSX will not complain on every boot, but I'm unsure about how to do this with hybrid type disks layouts  

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