Category: Storage

OpenStack: Find Orphaned Images in Glance

Hello All – today’s post is on identifying and removing Glance images that are truly not used anywhere, such as when deleting a project (tenant) without first deleting private images within that project. Check out our script!

Posted in OpenStack, Storage, Teknocratica Tagged with: , , ,

What Makes Up Networked Storage Throughput?

While researching distributed cloud storage we came up with these interesting points on storage throughput along with some great links for additional reading. Input/Output Per Second (IOPs). This is the most-commonly quoted measurement. For Amazon’s Relation Database Service (RDS) public

Posted in Network, Storage, Teknocratica Tagged with: , ,

Maximize NetApp FAS2240 Disk Space

Sometimes raw disk space trumps all else – especially in the smaller environment where disks are at a premium and consumers are actively waiting. This article describes how to use the NetApp FAS2240 to maximize disk space while still providing

Posted in Storage, Teknocratica Tagged with: ,

NFS via Server 2008 R2 to ESXi: The Book

This article details exactly how to take an arbitrary server, install a *hardened* Windows Server 2008 R2 (W2K8R2) image on it, and then use that W2K8R2 server to deliver NFS to ESXi hosts. We had to do this recently to

Posted in Network, Storage, Teknocratica, VMware Tagged with: , , ,

Use Case: Link Aggregation to Maximize iSCSI

The vSphere solution allows Storage vMotion and other functions that require the greatest amount of bandwidth possible, especially given the fact that we do leverage local blade storage for particular VMs. (What we lose in resiliency we gain back in

Posted in Network, Storage, Teknocratica Tagged with: , ,

Jumbo Frames – Use Case for ESXi5, NetApp, and Cisco/NetGear Switches

Jumbo frames are used for iSCSI (which use 8192 byte frames) to avoid IP fragmentation, thus improving network throughput by reducing the overall number of frames transmitted. Jumbo frames are by convention 9000 bytes which is ample for iSCSI traffic

Posted in Network, Storage, Teknocratica Tagged with: ,