As promised in
the previous RDMA post, we gathered some performance data for the RDMA transport. Read and enjoy! Continue reading
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.
Posted in drbd, flash, SSD |
Tagged cloud, data, database, drbd, high availability, Intel, LINBIT, linux, Micron, mirroring, replication, Sandisk, ssd, transaction safe |
DRBD9 has a new transport abstraction layer and it is designed for speed; apart from
TCP the next generation link will be
RDMA, and how is it different from TCP? is Continue reading
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.
“ 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. Root-on-DRBD” Tech-Guide
last blog post about DRBDmanage we mentioned
Initial setup is a bit involved (see the README)
… with the new release, this is no longer true!
As already announced in
another blog post, we’re preparing a new tool to simplify DRBD administration. Now we’re publishing its first release! Continue reading
One of the projects that LINBIT will publish soon is
drbdmanage, which allows easy cluster-wide storage administration with DRBD 9.
As an update to the earlier
blog post, take a look below. Continue reading
A question we see over and over again is
umount so slow? Why does it take so long?
Part of the answer was already given in
an earlier blog post; here’s some more explanation. Continue reading