On Fri, Sep 4, 2020 at 5:33 PM Bart Van Assche <bvanassche@xxxxxxx> wrote: > > On 2020-09-04 04:35, Danil Kipnis wrote: > > On Thu, Sep 3, 2020 at 1:07 AM Bart Van Assche <bvanassche@xxxxxxx> wrote: > >> How will it be guaranteed that the resulting software does > >> not suffer from the problems that have been solved by the introduction > >> of the DRBD activity log > >> (https://www.linbit.com/drbd-user-guide/users-guide-drbd-8-4/#s-activity-log)? > > > > The above would require some kind of activity log also, I'm afraid. > > How about collaborating with the DRBD team? My concern is that otherwise > we will end up with two drivers in the kernel that implement block device > replication between servers connected over a network. I have two general understanding questions: - What is the conceptual difference between DRBD and an md-raid1 with one local leg and one remote (imported over srp/nvmeof/rnbd)? - Is this possible to setup an md-raid1 on a client sitting on top of two remote DRBD devices, which are configured in "active-active" mode? Does anybody know? > > Thanks, > > Bart.
