Procedure to expand default partition table using native OS utilities:

Note: Because the partition table will be removed and rewritten, the following procedure is appropriate ONLY when the file system on the disk has been created on slice 2 and spans the entire Symmetrix volume.

The following procedure rewrites the partition table and is designed to be used only with disk devices that have been configured with a single file system on slice2 (the backup partition) of the disk. Read Full

Sometimes DNS generates the following error:

No default TTL set using SOA minimum instead.

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Under normal circumstances, an administrator could use the EMC PowerPath commands to obtain this information (ie. the powermt command). Sometimes this output is not always available, especially since Sun Explorer script does not collect it. Read Full

How to Remove existing filesystems from Veritas Volume Manager: (all the filesystems were under veritas)

Sometimes when databases will decommissioned, in that case we need to remove the unused filesystems from the Server in order to clean up the storage.

Below is the complete process which will present how to remove existing filesystem under vxvm.  Read Full

Below is  Sample production environment :

1. Server Infrastructure was located in Two different Data center ( DC ).  One DC is for Production Servers and another one for Disaster Recovery( DR) servers

2. System Administrators and Application Developers are sitting in different countries and working remotely.

3. All of the Servers having remote Console Connectivity and Both of the DC having 24×7 support team for DC operations. Read Full

Growing mirrored veritas volumes takes special care since it is desirable to keep each side of the mirror (plex) on different controllers. This procedure requires use of the GUI and command line interface. Read Full