DRBD 9 over RDMA with Micron SSDs

We have been testing out some 240GB Micron M500DC SSDs with DRBD 9 and DRBD’s RDMA Transport layer.  Micron, based in Boise Idaho, is a leader in NAND, flash production and storage.  We found that that their M500DC SSD’s are write optimized for data center use cases and in some cases exceeded the expected performance.

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RDMA Performance with Real Storage

As an update to the previous post, we now have the Tech Guide for RDMA performance with non-volatile storage available online.

Just head over to the LINBIT Tech Guide area and read the HGST Ultrastar SN150 NVMe performance report! (Free registration required.)

Testing SSD Drives with DRBD: SanDisk Optimus Ascend

This week we continue our SSD testing series with the SanDisk Optimus Ascend 2.5 800GB SAS drives. Sandisk-Logo

Background:
SanDisk Corporation designs, develops and manufactures flash memory storage solutions. LINBIT is known for developing DRBD (Distributed Replicated Block Device), the backbone of Linux High Availability software. LINBIT tested how quickly data can be synchronously replicated from a SanDisk 800 GB SSD in server A, to an identical SSD located in server B. Disaster Recovery replication was also investigated, using the same hardware to an off-site server.

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Testing SSD Drives with DRBD: Intel DC 3700 Series

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. Read more