Re: [CentOS] HFSPlus Question

[Lamar Owen]

On 06/07/2016 09:06 PM, Albert McCann wrote:
Thanks for the clues from yourself and other's. I haven't had a chance 
to check things out yet, I'm still dealing with food poisoning I came 
down with after sending my question. :-(


Use the ELrepo kmod-hfsplus module.  See elrepo.org for details on how 
to get the repo installed, then you can just 'yum install kmod-hfsplus' 
to get started.  Use the ELrepo mailing lists for questions abut ELrepo 
and the kmod-hfsplus package.



[lowen@dhcp-pool108 ~]$ repoquery -qi kmod-hfsplus

Name: kmod-hfsplus
Version : 0.0
Release : 2.el7.elrepo
Architecture: x86_64
Size: 179840
Packager: Alan Bartlett 
Group   : System Environment/Kernel
URL : http://www.kernel.org/
Repository  : elrepo
Summary : hfsplus kernel module(s)
Source  : hfsplus-kmod-0.0-2.el7.elrepo.src.rpm
Description :
This package provides the hfsplus kernel module(s) which allows the 
mounting of
extended format Macintosh-formatted hard drive partitions with full 
read-write access.
The file system is often called HFS+ and was introduced with MacOS 8. It 
includes all
Macintosh specific filesystem data such as data forks & creator codes 
and it also

has several UNIX style features such as file ownership and permissions.
It has been built for the Linux kernel using the x86_64 family of 
processors.

[lowen@dhcp-pool108 ~]$


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Re: [CentOS] HFSPlus Question

[Chris Beattie]

> From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On Behalf 
> Of Albert McCann
> Sent: Tuesday, June 07, 2016 9:06 PM
> To: 'CentOS mailing list' <centos@centos.org>
> Subject: Re: [CentOS] HFSPlus Question
>
> I'm still dealing with food poisoning I came down with after sending my 
> question. :-(

Bad YUM update?

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Re: [CentOS] HFSPlus Question

[Albert McCann]

> -Original Message-
> From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On
> Behalf Of Chris Murphy
> Sent: Tuesday, June 07, 2016 5:01 PM
> To: CentOS mailing list <centos@centos.org>
> Subject: Re: [CentOS] HFSPlus Question
> 
> Fedora 24
> [root@f24m mnt]# grep HFSPLUS /boot/config-4.5.6-300.fc24.x86_64
> CONFIG_HFSPLUS_FS=m
> # CONFIG_HFSPLUS_FS_POSIX_ACL is not set
> 
> CentOS 7
> [root@localhost ~]# grep HFSPLUS /boot/config-3.10.0-123.20.1.el7.x86_64
> # CONFIG_HFSPLUS_FS is not set
> 
> [root@localhost ~]# grep HFSPLUS /boot/config-4.6.1-1.el7.elrepo.x86_64
> CONFIG_HFSPLUS_FS=m
> # CONFIG_HFSPLUS_FS_POSIX_ACL is not set
> 
> 
> So it looks like it's not created in the CentOS kernels, but is in the
> elrepo and Fedora kernels.

Thanks for the clues from yourself and other's. I haven't had a chance to
check things out yet, I'm still dealing with food poisoning I came down with
after sending my question. :-( 

Maybe later this week.

Al
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Re: [CentOS] HFSPlus Question

[Chris Murphy]

On Fri, Jun 3, 2016 at 12:24 AM, Ned Slider  wrote:
>
>
> On 03/06/16 04:45, Chris Murphy wrote:
>>
>> On Tue, May 31, 2016, 7:59 PM Albert McCann 
>> wrote:
>>
>>> In CentOS 7.2.1511 does the 3.10.0-327.18.2.el7.centos.plus.x86_64 (Plus)
>>> kernel read HFSPlus iMac drives? I don't see any hfsplus modules
>>> installed
>>> anywhere, so I suspect not.
>>
>>
>>
>> It's in mainline so I don't know why it would not be built. It certainly
>> exists on Fedora. You could get Fedora live image, dd to a USB stick and
>> it
>> will boot the Mac.
>>
>
> There are a lot of modules in the equivalent mainline kernel that are not
> enabled / built in the RHEL kernel, reason being RH don't want the extra
> workload of maintaining (backporting fixes) those drivers for the 10 year
> lifespan of the product, long after upstream support at kernel.org has
> ended.
>
> In this case they probably determined it unlikely that a user would want to
> hook an HFSPlus volume up to a RHEL server. They also disabled a whole bunch
> of 100Mbit ethernet drivers commonly found on older desktop motherboards in
> RHEL7 for the same reason.

Fedora 24
[root@f24m mnt]# grep HFSPLUS /boot/config-4.5.6-300.fc24.x86_64
CONFIG_HFSPLUS_FS=m
# CONFIG_HFSPLUS_FS_POSIX_ACL is not set

CentOS 7
[root@localhost ~]# grep HFSPLUS /boot/config-3.10.0-123.20.1.el7.x86_64
# CONFIG_HFSPLUS_FS is not set

[root@localhost ~]# grep HFSPLUS /boot/config-4.6.1-1.el7.elrepo.x86_64
CONFIG_HFSPLUS_FS=m
# CONFIG_HFSPLUS_FS_POSIX_ACL is not set


So it looks like it's not created in the CentOS kernels, but is in the
elrepo and Fedora kernels.


-- 
Chris Murphy
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Re: [CentOS] HFSPlus Question

[Ned Slider]

On 03/06/16 04:45, Chris Murphy wrote:

On Tue, May 31, 2016, 7:59 PM Albert McCann 
wrote:


In CentOS 7.2.1511 does the 3.10.0-327.18.2.el7.centos.plus.x86_64 (Plus)
kernel read HFSPlus iMac drives? I don't see any hfsplus modules installed
anywhere, so I suspect not.



It's in mainline so I don't know why it would not be built. It certainly
exists on Fedora. You could get Fedora live image, dd to a USB stick and it
will boot the Mac.



There are a lot of modules in the equivalent mainline kernel that are 
not enabled / built in the RHEL kernel, reason being RH don't want the 
extra workload of maintaining (backporting fixes) those drivers for the 
10 year lifespan of the product, long after upstream support at 
kernel.org has ended.


In this case they probably determined it unlikely that a user would want 
to hook an HFSPlus volume up to a RHEL server. They also disabled a 
whole bunch of 100Mbit ethernet drivers commonly found on older desktop 
motherboards in RHEL7 for the same reason.


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Re: [CentOS] HFSPlus Question

[Chris Murphy]

On Tue, May 31, 2016, 7:59 PM Albert McCann 
wrote:

> In CentOS 7.2.1511 does the 3.10.0-327.18.2.el7.centos.plus.x86_64 (Plus)
> kernel read HFSPlus iMac drives? I don't see any hfsplus modules installed
> anywhere, so I suspect not.


It's in mainline so I don't know why it would not be built. It certainly
exists on Fedora. You could get Fedora live image, dd to a USB stick and it
will boot the Mac.

The much bigger problem is recent OS X versions default to, and convert on
updating prior versions to, Core Storage volumes. This is Apple's
equivalent of LVM. And there is no open source code for this. Upstream
liblkid doesn't even recognize it. It's actually a big problem as it
renders OS X HFS unreadable outside of OS X.

Microsoft's equivalent is Storage Spaces. But as yet it's not used by
default. Likewise no support on Linux still.

Chris Murphy


My sister's 17" iMac died, and I'm trying to
> recover the drive. If it spins up, I'd like to copy it with dd.
>
> I see that Elrepo has kmod-hfsplus and hfsplus-tools, will these work with
> the Plus kernel?
>
> I still have to pull the drive from that infernal iMac case, so can't test
> yet.
>
> Thank you for any clues, my Google-foo isn't finding anything on the Plus
> kernel and HFSPlus.
>
> ---
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Re: [CentOS] HFSPlus Question

[David Nelson]

For what it's worth a non-ancient Mac can boot to Internet recovery by holding 
the Command and R keys while powering on. From there you can get a working 
Terminal (click the Utilities menu at the top of the screen) and run dd or try 
copying files to another drive, or whatever else you may want to try. 

> On May 31, 2016, at 18:59, Albert McCann  wrote:
> 
> In CentOS 7.2.1511 does the 3.10.0-327.18.2.el7.centos.plus.x86_64 (Plus)
> kernel read HFSPlus iMac drives? I don't see any hfsplus modules installed
> anywhere, so I suspect not. My sister's 17" iMac died, and I'm trying to
> recover the drive. If it spins up, I'd like to copy it with dd.
> 
> I see that Elrepo has kmod-hfsplus and hfsplus-tools, will these work with
> the Plus kernel? 
> 
> I still have to pull the drive from that infernal iMac case, so can't test
> yet.
> 
> Thank you for any clues, my Google-foo isn't finding anything on the Plus
> kernel and HFSPlus.
> 
> ---
> I yam Popeye of the Borg. Prepares ta beez askimiligrated.
> ___
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[CentOS] HFSPlus Question

[Albert McCann]

In CentOS 7.2.1511 does the 3.10.0-327.18.2.el7.centos.plus.x86_64 (Plus)
kernel read HFSPlus iMac drives? I don't see any hfsplus modules installed
anywhere, so I suspect not. My sister's 17" iMac died, and I'm trying to
recover the drive. If it spins up, I'd like to copy it with dd.

I see that Elrepo has kmod-hfsplus and hfsplus-tools, will these work with
the Plus kernel? 

I still have to pull the drive from that infernal iMac case, so can't test
yet.

Thank you for any clues, my Google-foo isn't finding anything on the Plus
kernel and HFSPlus.

---
I yam Popeye of the Borg. Prepares ta beez askimiligrated.
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