[CentOS] kmod-jfs on Centos 6

[Akemi Yagi]

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