Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
On Wed, Aug 09, 2017 at 05:20:22PM +0800, li songmin wrote: > Hi, > > when I upgrade fdrbd rom 8.3.15 to 8.4.6-5, there is an oops cause by NULL > pointer Error. We are at 8.4.10 already. Just saying. > > upgrade step as follow: > > 1. primary node work as normal > 2. stop drbd 8.3.15 on secondary node, and upgrade it to 8.4.6-5. > 3. start secondary node, now data begin sync from primary node. > 4. upgrade primary node with follow step > 1. stop business service on drbd > 2. disconnect drbd for unmount quickly <-- oops on secondary node > here? Why disconnect? > 3. umount filesystem > 4. primary -> secondary > 5. connect drbd and waiting sync complete. > 6. business service may start on secondary node now. > 7. stop drbd 8.3.15 on primary node, and upgrade it to 8.4.6-5. > > call stack: > <4>[66071017.155051] Modules linked in: softdog drbd(FN) What did you need to force the module for? Probably *that* is your problem right there. -- : Lars Ellenberg : LINBIT | Keeping the Digital World Running : DRBD -- Heartbeat -- Corosync -- Pacemaker DRBD® and LINBIT® are registered trademarks of LINBIT __ please don't Cc me, but send to list -- I'm subscribed