The Friday 21 Feb 2014 à 15:49:15 (-0700), Eric Blake wrote : > On 02/21/2014 02:21 PM, Benoît Canet wrote: > > Hi this is the latest version of the quorum block filter. > > > > This version fix the qmp events and a small rebase conflict. > > > > tested: > > > > tested that json qmp string are correct and parse well with python > > > > Ran qemu-iotest including 081 ok > > > > quorum command line ok > > quorum command line snapshot transaction ok > > quorum QMP by reference ok > > quorum QMP by reference and snapshot transaction ok > > quorum QMP at once ok > > quorum QMP at once and snapshot transaction ok > > Generic question: > > When the quorum detects mismatch but there was still a majority, is > there a way to request that the quorum correct the odd man out? That > is, if I have a 2/3 quorum, and files A and B read '1' while C reads > '2', can the mere act of reading that sector be used to write '1' into C? > > Obviously, this should be an optional mode, not enabled by default; but > I could envision creating a self-healing redundant array via this method.
That's part of the optional features I want to add. I choose to start small to get it merged faster. I also plan to modify drive-mirror to do a bdrv_swap when the mirroring is finished in order to replace a faultly quorum file. Best regards Benoît > > -- > Eric Blake eblake redhat com +1-919-301-3266 > Libvirt virtualization library http://libvirt.org >
