On 12/20/2011 03:37 PM, Philipp Reisner wrote:
Once again I am proud to announce a new release: 8.4.1

New features
  * Read load balancing.
   That might be of interest if you have a faster network between
   your DRBD nodes in place, and want to benefit of the secondary's
   IO bandwidth for reading.

That sounds nice for one of our DRBD clusters, where there's
a dedicated, short 10GBit/s connection, but rather slow magnetic
disks on both ends.

  * Optional load balancing for read requests: new keyword "read-balance"

Alas, I couldn't find way to enable this.

tar xOzf drbd-8.4.1.tar.gz | grep "read-balance"
yields just the one line from the ChangeLog:
* Optional load balancing for read requests: new keyword "read-balance"

... so I wonder, is this really implemented?

  * Works with Linux-3.2

I'm currently running 3.1.6, I hope this is also still supported.

Regards,

Lutz Vieweg


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