Knowledge Base

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Knowledge Base

DRBD

DRBD

DRBD® is LINBIT®'s virtual block device driver. DRBD is at the heart of most of LINBIT's projects.

Tuning DRBD's Resync Controller

DRBD Stuck in WFBitMapS and/or WFBitMapT

Rebuilding drbd-dkms without reinstalling .deb

DRBD GI (Generation Identifiers)

Backup DRBD from the Secondary

Using DRBD With SSDs

PingAck did not arrive in time | Initial packet S crossed

lvs reports different utilization sizes on peers with thin-lvm

Speeding up Unmount When It's Slow or Taking Longer than Expected in a Cluster Using DRBD

Troubleshooting DRBD Performance Issues

DRBD 9

Automatically Mount a DRBD Device at Boot

Increasing DRBD Performance by Placing Metadata on NVDIMM Memory

Getting Information about DRBD Options

Mitigate "Not sending flow_control mgs, no receive window!" messages with DRBD RDMA transport.

Detailed DRBD Resource Information

Startup Behavior of a Two-node Pacemaker Cluster

Tips for using ZFS and Zpools over DRBD with Pacemaker.

Leaving room for future nodes (--max-peers)

Compiling DRBD 9 and DRBD Utils From Source

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DRBD 8.x

Get additional detail out of /proc/drbd (8.4 only)

Increasing Maximum al-extents via metadata enlargement

DRBD Proxy

Pinning DRBD Proxy to Specific CPU Core(s)

Configuring Congestion Settings in DRBD Proxy

Collecting Basic IO Statistics and Average Disk Activity

Tuning DRBD's ko-count for DRBD Proxy

Troubleshooting a hung DRBD Proxy

Determine DRBD Proxy Feasibility Over Slow WAN Links

DRBD Proxy's buffer warning messages

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