Re: RHEL 6.5 shared library upgrade safety

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, 18 Aug 2014, Loic Dachary wrote:
> Hi Ceph,
> 
> In RHEL 6.5, is the following scenario possible : 
> 
> a) an OSD dlopen a shared library for erasure-code, 
> b) the shared library file is replaced while the OSD is running, 
> c) the OSD starts using the new file instead of the old one. 
> 
> It seems unlikely but it would explain a weird stack trace at 
> http://tracker.ceph.com/issues/9153#note-5 so I'm double checking ;-)

I think this is possible and likely.  We had similar problems with the 
rados classes and eventually just made them load all available plugins on 
startup (and also on demand in case one is installed later).

The simplest thing is probably to do that here as well...

sage
--
To unsubscribe from this list: send the line "unsubscribe ceph-devel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [CEPH Users]     [Ceph Large]     [Information on CEPH]     [Linux BTRFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]
  Powered by Linux