Re: Journal symlink broken / Ceph 0.94.5 / CentOS 6.7

[Jesper Thorhauge <jth@xxxxxxxxxxxxxxx>]

Hi,

I have done several reboots, and it did not lead to healthy symlinks :-(

/Jesper

************

Hi,

On 16/12/2015 07:39, Jesper Thorhauge wrote:
> Hi,
>
> A fresh server install on one of my nodes (and yum update) left me with CentOS 6.7 / Ceph 0.94.5. All the other nodes are running Ceph 0.94.2.
>
> "ceph-disk prepare /dev/sda /dev/sdc" seems to work as expected, but "ceph-disk activate / dev/sda1" fails. I have traced the problem to "/dev/disk/by-partuuid", where the journal symlinks are broken;
>
> -rw-r--r-- 1 root root  0 Dec 16 07:35 1e9d527f-0866-4284-b77c-c1cb04c5a168
> -rw-r--r-- 1 root root  0 Dec 16 07:35 c34d4694-b486-450d-b57f-da24255f0072
> lrwxrwxrwx 1 root root 10 Dec 16 07:35 c83b5aa5-fe77-42f6-9415-25ca0266fb7f -> ../../sdb1
> lrwxrwxrwx 1 root root 10 Dec 16 07:35 e85f4d92-c8f1-4591-bd2a-aa43b80f58f6 -> ../../sda1
>
> Re-creating them manually wont survive a reboot. Is this a problem with the udev rules in Ceph 0.94.3+?

This usually is a symptom of something else going wrong (i.e. it is possible to confuse the kernel into creating the wrong symbolic links). The correct symlinks should be set when you reboot.

> Hope that somebody can help me :-)

Please let us know if rebooting leads to healthy symlinks.

Cheers
>
> Thanks!
>
> Best regards,
> Jesper
>
>
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--
Loïc Dachary, Artisan Logiciel Libre

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