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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.

DRBD Stuck in WFBitMapS and/or WFBitMapT

When `kmod-drbd` Upgrades and Installations Fail on RHEL-Derived Distributions

lvs reports different utilization sizes on peers with thin-lvm

Tuning DRBD's Resync Controller

PingAck did not arrive in time | Initial packet S crossed

Troubleshooting DRBD Performance Issues

Decreasing File System Unmount Times in DRBD Clusters

Backup DRBD from the Secondary

Rebuilding drbd-dkms without reinstalling .deb

DRBD Kernel Module Compatibility

Using DRBD With SSDs

DRBD 9

Compiling DRBD 9 and DRBD Utils From Source

Increasing DRBD Performance by Placing Metadata on NVDIMM Memory

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

Getting Information about DRBD Options

Automatically Mount a DRBD Device at Boot

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

Detailed DRBD Resource Information

Startup Behavior of a Two-node Pacemaker Cluster

Tips for using ZFS and Zpools over DRBD with Pacemaker.

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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

DRBD Proxy's Buffer Warning Messages

Collecting Basic IO Statistics and Average Disk Activity

Determine DRBD Proxy Feasibility Over Slow WAN Links

Troubleshooting a Hung DRBD Proxy

Pinning DRBD Proxy to Specific CPU Core(s)

Configuring Congestion Settings in DRBD Proxy

Tuning DRBD's ko-count for DRBD Proxy

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