Device replace issues and disabling it until they are solved

2016-05-11 Thread Filipe Manana
Hi, I've noticed some time ago that our device replace implementation is unreliable. Basically under several situations it ends up not copying extents (both data and metadata) from the old device to the new device (I briefly talked about some of the problems with Josef at LSF). Essentially it ope

Re: Device replace issues and disabling it until they are solved

2016-05-11 Thread Qu Wenruo
Filipe Manana wrote on 2016/05/11 10:09 +0100: Hi, I've noticed some time ago that our device replace implementation is unreliable. Basically under several situations it ends up not copying extents (both data and metadata) from the old device to the new device (I briefly talked about some of t

Re: Device replace issues and disabling it until they are solved

2016-05-11 Thread Filipe Manana
On Wed, May 11, 2016 at 10:29 AM, Qu Wenruo wrote: > > > Filipe Manana wrote on 2016/05/11 10:09 +0100: >> >> Hi, >> >> I've noticed some time ago that our device replace implementation is >> unreliable. Basically under several situations it ends up not copying >> extents (both data and metadata)

Re: Device replace issues and disabling it until they are solved

2016-05-11 Thread Filipe Manana
On Wed, May 11, 2016 at 10:09 AM, Filipe Manana wrote: > Hi, > > I've noticed some time ago that our device replace implementation is > unreliable. Basically under several situations it ends up not copying > extents (both data and metadata) from the old device to the new device > (I briefly talked

Re: Device replace issues and disabling it until they are solved

2016-05-26 Thread Scott Talbert
On Wed, 11 May 2016, Filipe Manana wrote: I've noticed some time ago that our device replace implementation is unreliable. Basically under several situations it ends up not copying extents (both data and metadata) from the old device to the new device (I briefly talked about some of the problems

Re: Device replace issues and disabling it until they are solved

2016-05-27 Thread Filipe Manana
On Thu, May 26, 2016 at 8:09 PM, Scott Talbert wrote: > On Wed, 11 May 2016, Filipe Manana wrote: > >>> I've noticed some time ago that our device replace implementation is >>> unreliable. Basically under several situations it ends up not copying >>> extents (both data and metadata) from the old d

Re: Device replace issues and disabling it until they are solved

2016-06-02 Thread Yauhen Kharuzhy
On Fri, May 27, 2016 at 10:43:47AM +0100, Filipe Manana wrote: > > Hi Filipe, > > Hi Scott, > > > > > Does your recent patch set (from May 20) address all of these issues? > > Yes. Tested, RAID5/6 still produces a plenty of 'failed to rebuild valid logical NN" messages after two consecutive

Re: Device replace issues and disabling it until they are solved

2016-06-02 Thread Filipe Manana
On Thu, Jun 2, 2016 at 11:03 AM, Yauhen Kharuzhy wrote: > On Fri, May 27, 2016 at 10:43:47AM +0100, Filipe Manana wrote: >> > Hi Filipe, >> >> Hi Scott, >> >> > >> > Does your recent patch set (from May 20) address all of these issues? >> >> Yes. > > Tested, RAID5/6 still produces a plenty of 'fai

Re: Device replace issues and disabling it until they are solved

2016-06-02 Thread Scott Talbert
On Thu, 2 Jun 2016, Filipe Manana wrote: On Thu, Jun 2, 2016 at 11:03 AM, Yauhen Kharuzhy wrote: On Fri, May 27, 2016 at 10:43:47AM +0100, Filipe Manana wrote: Hi Filipe, Hi Scott, Does your recent patch set (from May 20) address all of these issues? Yes. Tested, RAID5/6 still prod