Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Lars, Thanks for the MTU suggestion! It ended up being an issue on our 10gb switches. While we could ping, it wasn't correctly sending jumbo frames. Nothing showed up in the logs except that it would keep retrying and retrying but I started doing some ping tests with different sizes and found the issue quickly after that. Regards, Josh Hunholz On Thu, May 7, 2015 at 3:34 AM, Lars Ellenberg <lars.ellenberg at linbit.com> wrote: > On Thu, Apr 30, 2015 at 11:16:00AM -0500, Josh Hunholz wrote: > > Hey Folks, > > > > I posted this issue on the Ganeti mailing list as well but they suggested > > that you might be able to help me out to more quickly figure out what is > > going on. So we are setting up a new Ganeti cluster with version 2.12.1 > > running on Ubuntu 14.04. It is using DRBD version 8.4.3. The disk > starts > > to create but never completes syncing. On the primary, it looks like > this: > > > > root at icnodeb-03:~# cat /proc/drbd > > version: 8.4.3 (api:1/proto:86-101) > > srcversion: F97798065516C94BE0F27DC > > 0: cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent C r---n- > > ns:576 nr:0 dw:0 dr:15304 al:0 bm:0 lo:0 pe:1 ua:7 ap:0 ep:1 wo:f > > oos:10485760 > > [>....................] sync'ed: 0.1% (10240/10240)Mfinish: 283:59:21 > > speed: 0 (0) K/sec > > > > And on the secondary it looks like this: > > > > root at icnodeb-04:~# cat /proc/drbd > > version: 8.4.3 (api:1/proto:86-101) > > srcversion: F97798065516C94BE0F27DC > > 0: cs:SyncTarget ro:Secondary/Primary ds:Inconsistent/UpToDate C r----- > > ns:0 nr:0 dw:0 dr:0 al:0 bm:0 lo:0 pe:7 ua:0 ap:0 ep:1 wo:f > oos:10485760 > > [>....................] sync'ed: 0.1% (10240/10240)Mfinish: 123:47:24 > > speed: 0 (0) want: 0 K/sec > > > > It stays that way and never gets past 0.1%. > > Network problem? > MTU mismatch? > Are you able to write to the Primary while it is in that state? > > > Is there anything else I can > > check to try and figure out what is going on? > > Check the kernel logs. > > -- > : Lars Ellenberg > : http://www.LINBIT.com | Your Way to High Availability > : DRBD, Linux-HA and Pacemaker support and consulting > > DRBD® and LINBIT® are registered trademarks of LINBIT, Austria. > __ > please don't Cc me, but send to list -- I'm subscribed > _______________________________________________ > drbd-user mailing list > drbd-user at lists.linbit.com > http://lists.linbit.com/mailman/listinfo/drbd-user > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.linbit.com/pipermail/drbd-user/attachments/20150507/c86e2117/attachment.htm>