Category Archives: Storage

Useful tools on how to troubleshoot Virtual SAN (vSAN)

By | November 19, 2017

During VMworld this year, I attended at nice session on vSAN troubleshooting tips. There are some tools that help us to find a root of problem: esxcli RVC Health Check vSAN Observer vRealize Operations Manager vRealize Log Insight esxcli There are some commands as below examples: esxcli vsan network list - Verify which VMkernel adapters are used for… Read More »

How to check and fix VMFS metadata using vSphere On-disk Metadata Analyzer (VOMA)?

By | March 15, 2016

Recently I realized that vSphere 6.0 added one additional option for vSphere On-disk Metadata Analyzer(VOMA) - possibility to fix errors.   VOMA is a tool (introduced in vSphere 5.1) to check metadata consistency of a file system (such as VMFS) or a logical volume backing the file system. The tool can be useful for the following occurs: No… Read More »

NetBackup Accelerator for NDMP for NetApp Filers - Overview.

By | November 4, 2015

NetBackup 7.7.1 introduced some new features and one of them was Accelerator for NDMP for NetApp Filers. Accelerator improves full backup performance by only transferring changed blocks between backups and NetBackup Media Server combines changed blocks with previous backup to create synthetic full. Let's uncover the following topics: How Accelerator works with NDMP backups for NetApp filers? What… Read More »