Re: Mapping rbd's on boot

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On 11/14/2013 05:08 AM, Dan Van Der Ster wrote:
> Hi,
> We’re trying the same, on SLC. We tried rbdmap but it seems to have some ubuntu-isms which cause errors.
> We also tried with rc.local, and you can map and mount easily, but at shutdown we’re seeing the still-mapped images blocking a machine from shutting down (libceph connection refused errors…)

Tried with Emperor on Ubuntu 13.10.

Firstly, for Ubuntu people, there is no upstart script.  Only a sysvinit
script at /etc/init.d/rbdmap that requires enabling:

$ sudo update-rc.d rbdmap defaults

But, yeah, like the other caller, my system hangs on shutdown.

On startup, if I try to auto-mount via /etc/fstab, there is another
hang, but one that I can bypass (press 'S' to skip).

In the end, the device does get mounted however:

/dev/rbd1p1                 xfs       3.0G   33M  3.0G   2% /rbd1

Both shutdown and startup problems are probably a matter of getting the
system's init scripts in the proper order.

~pmatulis
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