Nowadays, Docker has support for plugins; for LINBIT, volume plugins are certainly the most interesting feature. Volume plugins open the way for storing content residing in usual Docker volumes on DRBD backed storage.
In this blog post we show a simple example of using our new Docker volume plugin to create a WordPress powered blog with a MariaDB database, where both the content of the blog and the database is replicated among two cluster nodes. Read more
Over the next few weeks we’ll be posting results from tests that we’ve run against various manufactures SSD drives; including Intel, SanDisk, and Micron, to name a few.
The first post in this series goes over our findings of the Intel DC S 3700 Series 800GB SATA SSD drives. Read more
DRBD9 has a new transport abstraction layer and it is designed for speed; apart from
TCP the next generation link will be
So, what is RDMA, and how is it different from TCP? Read more
When DRBD 8.4.4 integrated TRIM/Discard support, a lot of things got much better… for example, 700MB/sec over a 1GBit/sec connection. Read more
In the “Root-on-DRBD” Tech-Guide we showed how to cleanly get DRBD below the Root filesystem, how to use it, and a few advantages and disadvantages. Now, if there’s a complete, live, backup of a machine available, a few more use-cases become available; here we want to discuss testing upgrades of production servers.
One of the projects that LINBIT will publish soon[1. With an Open Source license; GIT will be the preferred way to help us.] is
drbdmanage, which allows easy cluster-wide storage administration with DRBD 9. Read more