The performance of pass-through configurations on the RAID controllers increased to match the cheaper SAS controllers, but so did the CPU utilization.


The Micron 6500 ION is the world’s first 200+ layer NAND data center NVMe SSD. .


The setup is 3 clustered Proxmox for computations, 3 clustered Ceph storage nodes, ceph01 8*150GB ssds (1 used for OS, 7 for storage) ceph02 8*150GB ssds (1 used for OS, 7 for storage) ceph03 8*250GB ssds (1 used for OS, 7 for storage) When I create a VM on proxmox node using ceph storage, I get below speed (network bandwidth is NOT the.

Ceph provides a default metadata pool for CephFS metadata. Crimson enables us to rethink elements of Ceph’s core implementation to properly exploit these high performance devices. .

Then, you create OSDs suitable for that use case.

• Optimize performance. • Red Hat Ceph Storage • Intel® Optane™ SSD Data Center P4800X Series • Intel® Xeon® Scalable processors • Intel® Cache Acceleration Software (Intel® CAS) • Red Hat Ceph Storage on Servers with Intel Processors and SSDs white paper • Using Intel® Optane™ Technology with Ceph to Build High-Performance OLTP Solutions white paper. .

Red Hat’s now+Next blog includes posts that. shell> ceph osd pool create scbench 128 128.

Intelligent Caching Speeds Performance.

Here’s my checklist of ceph performance tuning.

. 1) is configured with FileStore with 2 OSDs per Micron 9200MAX NVMe SSD.

. SSDs do have significant limitations though.

Second cluster was: 3 dedicated monitors, 10 OSD servers.
A cache tier provides Ceph Clients with better I/O performance for a subset of the data stored in a backing storage tier.

By caching frequently‑accessed data and/or selected I/O classes, Intel CAS can accelerate storage performance.

In this paper we describe and evaluate a novel combination of one such open source clustered storage system, CephFS [ 4 ], with EOS [ 5 ], the high performance.

Figure 2. The storage cluster network handles Ceph OSD heartbeats,. yahoo.

. Different hardware configurations can be associated with each performance domain. While FileStore has many improvements to facilitate SSD and NVMe. As the market for storage devices now includes solid state drives or SSDs and non-volatile memory over PCI Express or NVMe, their use in Ceph reveals some of the limitations of the FileStore storage implementation. io. .

Intel® Optane™ SSDs can improve the performance of all‑flash Red Hat Ceph Storage clusters.

The Micron XTR was purpose-built for data centers that need an affordable alternative to the expensive storage class memory (SCM) SSDs, 2 for logging and read/write caching in tiered-storage environments. Intel ® Optane ™ SSD, used for Red Hat Ceph BlueStore metadata and WAL drives, fill the gap between DRAM and NAND-based SSD, providing unrivaled performance even at.

The performance improvements translate to better VM.


These software stack changes made it possible to further improve the Ceph-based storage solution performance.