Re: Read-triggered corruption of swap backed MD devices

2013-05-24 Thread asomers
Fast work, Konstantin! This looks like it may be the solution to an intermittent and inexplicable bug we've been seeing that we feared may be data corruption in ZFS. On Fri, May 24, 2013 at 2:53 AM, Konstantin Belousov wrote: > On Fri, May 24, 2013 at 12:19:44PM +1000, Lawrence Stewart wrote: >>

Re: Read-triggered corruption of swap backed MD devices

2013-05-24 Thread Konstantin Belousov
On Fri, May 24, 2013 at 12:19:44PM +1000, Lawrence Stewart wrote: > Hi all, > > I tracked the cause of a colleague's nanobsd image creation problem to > what appears to be some nasty behaviour with swap-backed MD devices. > I've verified the behaviour exists on three separate systems running > 10-