I recently have a task to review the DNS settings for more than 100 Windows servers in the same domain. I drafted a simple PowerShell script to perform the Windows DNS checking and export all the server DNS configuration into a CSV file.Continue reading
Category Archives: Technology
HPE StoreOnce Catalyst Store
HPE StoreOnce is a deduplication storage system providing efficient data compression and deduplication capability and suitable for data backup and long-term retention. HPE StoreOnce can be also be integrated with major backup vendors as the backup target storage.
This post is a quick introduction and demonstration of the HPE StoreOnce Catalyst Store for quick reference.Continue reading
Deploy HPE StoreOnce VSA in Azure
HPE StoreOnce is a deduplication storage system providing efficient data compression and deduplication capability and suitable for data backup and long-term retention. HPE StoreOnce can be integrated with major backup vendors as the backup target storage.
In Azure, there is virtual edition of HPE StoreOnce in Azure Marketplace. Deploying and initializing the HPE StoreOnce VSA is a very pleasant process with a straightforward outcome.
Since the HPE StoreOnce supports the data replication between appliances, the Azure based StoreOne VSA could be a good candidate of remote DR data copy by replicating the data from on-premise StoreOnce system.
It is noted that the VSA deployed in Azure will come with a trail license: “One time instant-on license for up to 90 days with a maximum 500TB capacity. No support provided by HPE.”
This post is to outline the deploying steps for quick reference.Continue reading
Deploy Veeam Backup for Microsoft Azure
Veeam backup software family includes a solution to provide the backup capability for Azure virtual machines. As a kind of tradition of Veeam backup solutions, it provides a “Free Edition” to allow 10 VM backup for free. This post is to provide an overview about how to deploy the Veeam Backup for Microsoft Azure.
The first impression of this solution is its simplicity. Not only from the backup methodology, but also the deployment and operation.Continue reading
Replace 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:
This post is to illustrate the second way by using vSphere Client.Continue reading
Configure 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.Continue reading
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
- Space Reclamation
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.