[CentOS] kmod-jfs on Centos 6

Fri Oct 27 21:22:48 UTC 2017
H <agents at meddatainc.com>

On 10/26/2017 08:37 PM, Akemi Yagi wrote:
> On Thu, Oct 26, 2017 at 5:22 PM, H <agents at meddatainc.com> wrote:
>
>> On 10/26/2017 08:01 PM, Akemi Yagi wrote:
>>> On Thu, Oct 26, 2017 at 4:17 PM, H <agents at meddatainc.com> wrote:
>>>
>>>> On October 26, 2017 6:31:04 PM EDT, Akemi Yagi <amyagi at gmail.com>
>> wrote:
>>>>> On Thu, Oct 26, 2017 at 3:11 PM, H <agents at meddatainc.com> wrote:
>>>>>
>>>>> ​We will update the bug report (
>>>>>http://elrepo.org/bugs/view.php?id=728 )
>>>>> when the updated version is ready.
>>>>>
>>>>> Akemi
>>>> Where does one see which kernel version the release is intended for? I
>>>> should add that I installed it from elrepo earlier today on a current
>>>> computer, not some time ago... No error messages.
>>>>
>>> ​Try the following command on a computer you had kmod-jfs installed:
>>>
>>> ​$ ls -l `find /lib/modules -name jfs.ko`
>>>
>>> It will show where the module was installed (in the extra/ directory) and
>>> may show symbolic links to other kernel versions (if any) that are
>>> compatible.
>>>
>>> In the case of the kmod-jfs package, there was a kABI breakage when going
>>> from el7.3 to el7.4. As a result, what was built against el7.3 was broken
>>> in el7.4. It has now been built against the el7.4 kernel. This one is not
>>> backward compatible with earlier (< 7.4) kernels.
>>>
>>> Akemi
>> I tried the above and this is the output:
>>
>> lrwxrwxrwx. 1 root root     51 Oct 26 17:56 /lib/modules/3.10.0-514.21.2.
>> el7.x86_64/weak-updates/jfs/jfs.ko -> /lib/modules/3.10.0-514.el7.
>> x86_64/extra/jfs/jfs.ko
>> lrwxrwxrwx. 1 root root     51 Oct 26 17:56 /lib/modules/3.10.0-514.26.1.
>> el7.x86_64/weak-updates/jfs/jfs.ko -> /lib/modules/3.10.0-514.el7.
>> x86_64/extra/jfs/jfs.ko
>> lrwxrwxrwx. 1 root root     51 Oct 26 17:56 /lib/modules/3.10.0-514.26.2.
>> el7.x86_64/weak-updates/jfs/jfs.ko -> /lib/modules/3.10.0-514.el7.
>> x86_64/extra/jfs/jfs.ko
>> -rw-r--r--. 1 root root 302480 Apr 16  2017 /lib/modules/3.10.0-514.el7.
>> x86_64/extra/jfs/jfs.ko
>>
> ​The output shows that the version of the installed kmod-jfs is for
> kernel-​3.10.0-514.el7.x86_64 and is compatible with all -514 kernels
> (el7.3).
>
> I also ran yum update again but it did not pick up kmod-jfs although it was
>> just updated. How long time does it typically take for an updated package
>> to become available?
>>
> ​It is syncing to mirrors. It may show up any time between now and several
> hours later.
>
> Akemi
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Thank you, works great!