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OfflineTomCollins


Registered: 10/06/09
Posts: 2,943
Last seen: 2 years, 2 months
Anyone here good with Linux commands?
    #424026 - 05/26/10 01:30 PM (6 years, 6 months ago)

:fearandloathing:

I've got an external HD that is HFS and I'm trying to write to it in Knoppix. I tried simply going to File-Properties and then changing the permissions. When I do that, I get an error that says "Read Only File System."

Even when I do
Code:
mount -t hfs -o /dev/sdb1 /mnt/sdb1



it's still read only.

Wtf.

Also, the internal hard drive of the macbook in question does not automatically mount. When I punch in Code:
fdisk -l



...this comes up:
Code:
WARNING: GPT (GUID Partition Table) detedcted ib '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted.

Disk /dev/sda: 100.0 GB, 100030242816 bytes
255 Heads, 63 sectors/track, 12161 cylinders
Units = cylinders of 16065 * 512 = 8225280
Disk identifier: 0x00007016

Device Boot Start End Blocks ID System
/dev/sda1 1 12162 97685780 ee GPT

Disk /dev/sdb: 500.0 GB, 500107862016 bytes bytes
255 Heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280
Disk identifier: 0x63884326

Device Boot Start End Blocks ID System
/dev/sdb1 1 60801 488384001 af HFS / HFS+


:mad2:

All I want to do is copy the contents of sda1 to sdb1. On windows, this shits a breeze.

Any and all help is appreciated. I've been looking around on google for 4 hours now and there is nothing fucking helpful at all.


--------------------
andyistic said:
Ok so let me bring you idiots up to speed.
The admins are tired of this shitfest being made the joke of the weed community on the Internet.


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OfflineTripp420
WAT?
Male User Gallery


Registered: 07/06/08
Posts: 4,186
Last seen: 1 year, 6 months
Re: Anyone here good with Linux commands? [Re: TomCollins]
    #424068 - 05/26/10 02:37 PM (6 years, 6 months ago)

Clarify, are we talking HFS, or HFS+?

1. If it HFS+, you must go into the Disk Utility under Applications -> Utilities in MacOSX.
There, find your drive and disable journaling.
Apperently the Linux kernel doesn't like HFS+ writing.
You should be set up to write.
I believe there is an HFS+ linux driver out there, but I don't think this is the way to go since you are using Knoppix.

(Once again, HFS = Non-Journaled, HFS+ = Journaled)


2. From the WikiPedia:
Quote:

There has been some success in porting HFS+ to Linux, at least in non-journaled read/write. If the filesystem is journaled, it will default to mount in read-only mode, but it can be forced to ignore the journal temporarily (by using the 'force' option).



http://en.wikipedia.org/wiki/HFS_Plus

This can be done buy typing something like:

Code:
mount -t hfs -o force /dev/sdb1 /mnt/sdb1



It may be a bit buggy though.


I would try the second solution first.


--------------------


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OfflineTripp420
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Registered: 07/06/08
Posts: 4,186
Last seen: 1 year, 6 months
Re: Anyone here good with Linux commands? [Re: Tripp420]
    #425880 - 05/30/10 05:06 AM (6 years, 6 months ago)

:nerd:


--------------------


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