Life is a miracle, so does a tree’s….
Growing Up Like A Tree
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Author Archives: Vincent Ran
VxRail vSAN Stretched Cluster Witness Traffic Separation Configuration
When design the stretched VxRail vSAN cluster, there is an option to utilize Witness Traffic Separation (WTS) to separate the vSAN witness traffic from vSAN vmkernel interfaces. This post is to discuss what is the WTS and how to deploy it.
Define Customized Virtual Disk Name in Azure Windows Virtual Machine Deployment
There is no doubt that one of the most common Azure operations is to deploy Windows virtual machine. In most cases, deploying an Azure Windows Server is to utilize the Windows Server deploy wizard in Marketplace, which is also the easiest way in most scenarios.
However, by utilizing the deployment Wizard, we cannot choose the Virtual disk name. The virtual disk name will be automatically populated with an Azure predefined format.
This post to introduce one of the ways to allow user to define the virtual disk name by utilizing the “Azure Templates”. The method used in this post can also be used to define other Azure element name in virtual machines.
Continue readingReplace vCenter certificate with customer issued cert via vSphere Client
For VCSA appliance, if a customer CA-signed certificate is required, there are two ways to generate the CSR and replace the certificate:
- VMware Certificate Manager in command; and
- Certificate Management in vSphere Client
The 1st option is commonly used and described as in below VMware KB article:
https://kb.vmware.com/s/article/2112277
This post is to illustrate the second way by using vSphere Client.
Continue readingConfigure Cassandra Backup in Commvault
Commvault supports backing up Cassandra database. Cassandra is a distributed database that can handle large amounts of data on multiple nodes. For Cassandra version 3, Commvault support backup log files as well. This post is to outline the high level steps to configure the Cassandra backup in Commvault.
The below configuration applied to Cassandra version 3 and Commvault version 11.18.
NetApp AFF Storage Efficiency Field Tips
This is a post to provide some field tips for user who would like to maximum the storage utilization of NetApp AFF storage. All the recommendation is based the field experience and for reference only.
There are a few aspects to consider about the storage efficient in NetApp AFF storage
- In-line Deduplication
- Background Deduplication
- Aggregate Planning
- Thin Disk
- Snapshot
- Space Reclamation
Cisco HyperFlex Useful Command Line
This is a short post to list a few commonly used Cisco HyperFlex command lines in daily operation.
VMware vCenter Enhanced Linked Mode with Cisco HyperFlex
When configuring HyperFlex cluster, each HyperFlex cluster is required to register to a VMware vCenter server. For customer with multiple HyperFlex clusters and vCenter servers, VMware enhanced linked mode could be considered to reduce the management effort.
This post is to high light a few points when configuring Cisco HyperFlex with VMware vCenter enhanced linked mode.
Expand NetApp Storage Aggregate with ADP (R-D-D) configuration
I recently performed an NetApp FAS storage aggregate expansion. The aggregate to be expanded is configured with Advanced Drive Partitioning (ADP) feature, and each physical disk is sliced into Root-Data-Data partitions.
NetApp FAS AD User Authentication for Management
I recently worked for a task to enable the AD user authentication for NetApp FAS storage system. This is to allow the authorized AD user to access SSH and OnCommand System Manager. The below method is tested on ONTAP 9.3.
