Hardware Reference
In-Depth Information
FIGURE 11.5 (See color insert): OneFS hybrid parity protection schemes
(N + M : x).
The Autobalance feature of OneFS will automatically move data across the
Infiniband network in an automatic, coherent manner so existing data that
resides on the cluster moves onto this new storage node. This automatic rebal-
ancing ensures the new node will not become a hot spot for new data and that
existing data is able to gain the benefits of a more powerful storage system.
The Autobalance feature of OneFS is also completely transparent to the end
user and can be adjusted to minimize impact on high performance workloads.
This capability alone allows OneFS to scale transparently, on-the-fly, from 18
TB up to 20.7 PB with no added management time for the administrator, nor
increased complexity within the storage system.
A large-scale storage system must provide the performance required for
a variety of workflows, whether they are sequential, concurrent, or random.
Different workflows will exist between applications and within individual ap-
plications. OneFS provides for all of these needs simultaneously with intel-
ligent software. More importantly, with OneFS, throughput and IOPS scale
linearly with the number of nodes present in a single system. Due to balanced
data distribution, automatic rebalancing, and distributed processing, OneFS
is able to leverage additional CPUs, network ports, and memory as the system
scales.
 
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