On 01/12/2016 04:34 AM, Pawan Devaiah
wrote:
Hi All,
We have a fairly powerful server sitting at office with 128
Gig RAM and 36 X 4 TB drives. I am planning to utilize this
server as a backend storage with GlusterFS on it.
I have been doing lot of reading on Glusterfs, but I do not
see any definite recommendation on having RAID on GLUSTER
nodes.
Is it recommended to have RAID on GLUSTER nodes specially
for the bricks?
If Yes, is it not contrary to the latest Erasure code
implemented in Gluster or is it still not ready for production
environment?
I am happy to implement RAID but my two main concern are
1. I want to make most of the disk space available.
2. I am also concerned about the rebuild time after disk
failure on the RAID.
What is the workload you have?
We found in our testing that random read/write workload with Erasure
coded volumes is not as good as we get with replication. There are
enhancements in progress at the moment to address these things which
we are yet to merge and re-test.
Pranith
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