compact

Recently the “Ask the Core Team” blog did a great post about compacting a dynamically expanding virtual hard disk in Windows 8 / Windows Server 2012. You should check out their full post for the details, but the summary is that you now need to manually mount the virtual hard disks in the management operating system prior to trying to compact it. This is something that we used to do automatically for you – but we had reports of problems when we were attaching and removing virtual hard disks when the system administrator was not... [Lire la suite]

Over the last several months there has been significant chatter around what is background database maintenance and why is it important for Exchange 2010 databases. Hopefully this article will answer these questions. What maintenance tasks need to be performed against the database? The following tasks need to be routinely performed against Exchange databases: Database Compaction Database Defragmentation Database Checksumming Page Patching Page Zeroing --> Please see the rest on the blog... [Lire la suite]

Today if you want to compact a virtual hard disk – you can use Virtual PC / Virtual Server / Hyper-V or Windows 7.  But not all methods are the same.  Under the covers there are two different approaches that are taken to compacting virtual hard disks: Virtual PC / Virtual Server: Perform a blind “block level” compaction.  Here the virtual hard disk is inspected at a block level, and when a block is found which is full of zeroes, the block is removed from the virtual hard disk. More accurately, zeroed blocks are... [Lire la suite]