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Old 09-22-2008, 01:13 PM   #1
FLLinux
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Question Problem Mounting mac File system


I am trying to mount a mac hard drive from the Slax 6.0.7 CD. Need to recover some files from the hard drive.

The CD has the hfs and hfsplus modules built and i loaded them with modprobe from the command prompt. I can see the partion in parted and it shows up there as a hfs+ partion.

But when i go to mount the drive it with the following command

mount -t hfsplus /dev/sda1 /mnt/mac

I get the following error
mount: wrong fs type, bad option, bad superblock on /dev/sda1,
missing codepage or helper program, or other error

When i do a dmesg | tail i get the following
hfs: unable to find HFS+ superblock

Am i doing something wrong. Do i not have a module loaded?

Any help would be great.
Thanks
 
Old 09-22-2008, 01:19 PM   #2
CRC123
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try just using the mount command with out the -t option. It is smart and may be able to pick the right fs type to mount it as.
 
Old 09-22-2008, 01:26 PM   #3
jailbait
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You may be missing the hardware driver for the specific drive model that you are trying to mount. See if fdisk can read the partition table on the mac drive:

fdisk /dev/sda

------------------
Steve Stites
 
Old 09-22-2008, 01:32 PM   #4
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fdisk gives me a waring that the device is GPT (GUID Partition Table) and to try running GNU Parted. But it still displays that there is 1 partion sda1 with a System type EFI GPT.

I run GNU parted and print out the partition table and it shoulds be a fat32 partion at sda and a hfs+ partion at sda1.

Am i missing something?
 
Old 09-22-2008, 02:00 PM   #5
FLLinux
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It looks like the data part of the drive is not being see in Slax 6.0.7. I booted with Knoppix and it shows the hard drive as follows
/dev/sda
/dev/sda1
/dev/sda2 (data)

So i am wondering why i can't see the data partion on the Slax CD. Any suggestion as to why it wouldn't see the data partion of the drive?

the slax cd is uing the 2.6.24.5 kernel.
 
Old 09-22-2008, 04:06 PM   #6
jailbait
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In your original post you said that you were trying to mount /dev/sda1. In your third post you said that the data you want is in /dev/sda2. In your second post you said that /dev/sda is fat32 and /dev/sda1 is hfs+.

Actually /dev/sda is a device. It is not a partition.

You want to mount a partition, either /dev/sda1 or /dev/sda2. If partition /dev/sda1 is formated as fat32 then that would explain why you cannot mount it as a hfs or hfs+ file system.

If the partition /dev/sda2 is really the partition which is formatted hfs or hfs+ then I suggest that you start over with one of these this commands:

mount -t hfsplus /dev/sda2 /mnt/mac

mount -t hfs /dev/sda2 /mnt/mac

-------------------
Steve Stites
 
Old 09-22-2008, 04:12 PM   #7
FLLinux
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Sorry if i was unclear. What i was trying to say was that Slax 6.0.7 does not see the /dev/sda2. When i boot into Slax i only see /dev/sda and /dev/sda1. I don't see a /dev/sda2. When i boot into Knoppix i can see both the /dev/sda1 and /dev/sda2.

Is there a reason that the Slax would not see the /dev/sda2 parition on the device?
Would there be a boot reason for the kernel not to see the /dev/sda2 partition on the drive?

Hope that cleared my problem up some.

Thanks
 
Old 09-23-2008, 09:00 AM   #8
FLLinux
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Bump, I am still looking for a solution to this. Anyone have any ideas as to why Slax 6.0.7 (running kernel 2.6.24.5) doesn't give the data partition of a Macbook hard drive a device name. I am only getting /dev/sda and /dev/sda1 when Slax boots up. When i boot in Knoppix 5.1.1 (running i think 2.6.19) i get /dev/sda, /dev/sda1 (boot sector i think), and /dev/sda2 which is the data.

Any help would be great. I am missing a udev rule or something?
 
Old 09-23-2008, 01:07 PM   #9
FLLinux
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It now looks like the Slax OS is not finding the second partition of data on the Mac drive. Is there something i can do to make the boot processes find this second partition?
 
Old 09-24-2008, 04:12 PM   #10
FLLinux
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Figured it out. had to compile in the EFI partition support for it to work. Had to add the following config items

CONFIG_FB_EFI=y
CONFIG_EFI_PARITION=y
CONFIG_EFI=y

After that it works great.
 
  


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