LINBIT DRBD (old-stable). Contribute to LINBIT/drbd development by creating an account on GitHub. You don’t want to create the filesystem on your backing disks for DRBD (sdb and sdc); you want to create the DRBD first, and then format the. Drbdadm is the high level tool of the DRBD program suite. Drbdadm is to drbdsetup and drbdmeta what ifup/ifdown is to ifconfig. Drbdadm.

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Sign up or log in Sign up using Google. DRBD is obviously a great tool, and is easy to use once you understand the basics, but you’re dealing with storage so there is a lot of room to mess things up in a permanent way.

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I added the information to the drbx of the question. Thank you very much for your very good answer! I was using basic 10GB disk on each node.

After I ran your commands, the result was the same. I have did what you suggest: Device ‘0’ is configured!

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centos7 – Can’t run drbdadm up with DRBD on CentOS – Server Fault

And ran lsblk -a now: That last link also uses srbd for DRBD instead of sdb. Sign up using Facebook. Home Questions Tags Users Unanswered.

The process should be something like this: Matt Kereczman 1, 5 Email Required, but never shown. Don’t do that, you don’t know what you’re doing: After run that zero out command, both of showed: Command ‘drbdsetup connect r0 ipv4: So how much space is required in this case? Can’t run drbdadm up with DRBD 8.

Server Fault works best with JavaScript enabled. It’s the right order. After I added the new hard disk on both nodes, I did partition and format on them! Follow official guide to config the basic resource on both nodes: It’s not an issue of the “right order”, it’s that you’re writing stuff to a device which does or will underly DRBD other than to clear it in advance as suggested in this answer.

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Run drbdadm connect all on node1: It can be done the other way, but then you’d need to grow the backing partition, or reduce the size of the filesystem to make room for DRBD’s rrbd which lives at the end of the block device when using internal metadata. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy policy and cookie policyand that your continued use of the website is subject to these policies.

drbd.conf-8.4 man page

Post as a guest Name. The only necessary thing is do the partition only. I know the reason. Zero out your partition on both nodes on both nodes.

Wait for a long time returned no result.

man page – drbd-utils | ManKier

Added 16GB new hard disk on each node. At this time, ran systemctl start brdb on both nodes, all of them got pending. Put the resource up on both nodes: