PowerMax FC-NVMe Deployment with Linux – Part II (setup)

In Part I of this post I covered the reasons behind using FC-NVMe protocol. In this part I'll cover the steps involved in setting up FC-NVMe with PowerMax, the different Linux operating systems, and multipath software choice. Note: I won't go into explaining connectivity best practices or terminology too deeply here as this is covered... Continue Reading →

PowerMax FC-NVMe Deployment with Linux – Part I (overview)

With the PowerMaxOS Q3 2019 release, PowerMax introduced end-to-end NVMe over FC fabrics, or FC-NVMe. Internally, PowerMaxOS was already accessing both its NAND and SCM (Storage Class Memory, such as Intel® Optane™) flash media using NVMe protocol. New to this release is that now also the application and database servers can use the NVMe protocol... Continue Reading →

Have you tried blk-mq?

What is blk-mq? I only heard about blk-mq and scsi-mq a few months ago. Blk-mq stands for block multi-queue and while it isn't a new term for those who follow what's new in the Linux kernel, it is relatively a newcomer to the Enterprise Linux distributions. The idea is to improve the host I/O stack... Continue Reading →

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