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WalB

Block-level WAL for Efficient Backup and Replication

Download WalB driver as a tar.gz file Download WalB tools as a tar.gz file

What is WalB?

WalB is a Linux kernel module and its related userland tools for incremental backup and asynchronous replication of storage devices.

WalB was named after Block-level Write-Ahead Logging (WAL).

Characteristics

Functionalities

Architecture

Pros and Cons

Pros

Cons

Compared with similar solutions

dm-snap

dm-thin

DRBD

Log-structured file systems

Ex. nilfs, btrfs, (or ZFS).

Authors and Contributors

starpos, herumi