Category: Storage

Adding host failed due to too many hidden snapshots


Be careful with taking snapshots intentionally or unintentionally, it will not only decrease the virtual machine performance but also will prevent the host from being added to the vCenter DRS cluster. For most time, we focus on looking after the snapshots that be taken intentionally, but generally pay less attention to the snapshots that be … Continue reading Adding host failed due to too many hidden snapshots →

HP Storage Management Pack for SCOM


The following diagram shows how to use SCOM to monitor the HP EVA storage. In my environment, the HP command view and WEBES are installed on the same server named A, SCOM and WEBES listener are installed on the same server named B. On server B, ensure the WEBES listener is listening on TCP port … Continue reading HP Storage Management Pack for SCOM →

Install HP Command View EVA in VMware Virtual Machine


There are two ways to allow HP command View EVA that’s installed in a virtual machine to manage the array: Virtualized SCSI mode and VMDirectPath mode. Virtualized SCSI mode – The Command View EVA instance can only view the active path to LUN 0 on a single controller. This mode is enabled by default when … Continue reading Install HP Command View EVA in VMware Virtual Machine →

TSM for Exchange 6.4: DAG Backup/Restore Best Practices


Database Availability Group backup best practices- To decrease the load on the production Exchange server, specify that the backups are taken from a healthy passive database copy. If no passive copy is available, the backup is made from the active copy of the database. To specify that backups are taken from a healthy passive database … Continue reading TSM for Exchange 6.4: DAG Backup/Restore Best Practices →

TSM: How to change retain version of the archived data?


I posted a question in a TSM discussion group regarding how to change the retain version of the data that has already been archived. Here is my question: I archived some data last year, and the retain version was set to 365 days. Now I want to keep those archived data for a longer time, … Continue reading TSM: How to change retain version of the archived data? →