Tip of the Day

Tiny amounts of knowledge for a fast paced world!

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  • Blog Post: Tip of the Day: Hyper-V supports VHDX

    Starting with Windows Server 2012, the new VHDX format is supported by Hyper-V 3.0. This allows us to create a virtual disk of up to 64TB in size.
  • Blog Post: Tip of the Day: ODX brings us faster file copies

    Today’s tip… Copy Offloading or ODX is a new functionality in Windows Server 2012 and 2012 R2 that allows files that are stored on a SAN to be copied to other LUNs on the SAN without having be read up to the operating system. Instead the operating system is issued a token that can thought...
  • Blog Post: Tip of the Day: NTFS and Chkdsk

    Today’s tip… Starting with Windows 8 and Windows Server 2012, there has been a fundamental change to NTFS in how we handle file system inconsistencies. Previously, there were a number of reasons that Windows would mark the file system dirty and urge the user to run a Chkdsk /f. Depending...
  • Blog Post: Tip Of the Day: 3-way Mirrors

    Today’s tip… In Windows Server 2012 Storage Spaces and Windows 8 Storage Spaces, a 2-way mirror requires at least 2 physical disks. However, a 3-way mirror requires at least 5 physical disks . The reason is that a 3-way mirror uses a quorum. In order to keep running, the mirror...
  • Blog Post: Tip of the Day: Thin Provisioning

    Today’s tip… While the concept of thin provisioning has been around for a little while, Windows Server 2012 is the first version to take full advantage of it.  Thin provisioning is the practice of providing storage blocks on an as needed, just in time basis. This gives our customers a great savings...
  • Blog Post: Tip of the Day: Deduplication Cheat Sheet

    Today’s tip… Here is a quick reference sheet for Windows Server 2012 deduplication. The Dedup feature is not installed by default Dedup is a Server only feature Dedup is not supported on: FAT volumes Boot or System Volumes Remote Drives ...
  • Blog Post: Tip of the Day: SSP Terms

    Today’s tip… Storage Spaces and Pools (SSP) refer to the units of storage that are carved out of a pool by two different names. Storage Space - Term used by the client versions of Windows Virtual Disk - Term used by the server versions of Windows They are the same thing...
  • Blog Post: Tip of the Day: iSCSI Target Now Clusterable

    Today’s tip… The new iSCSI software target that comes with Windows Server 2012 and 2012 R2 is now easily ‘clusterable’.  That is, it can quickly be added to a Failover Cluster and even has its own resource DLL. Here is a screenshot of a target running inside Failover Cluster.
  • Blog Post: Tip of the Day: Short file names

    Today’s tip… The new volume wizard in Server Manager for Windows Server 2012/2012 R2 includes an option to enable short file name creation. While it is not recommended all the time, if you have an application that still requires short file names, it can be easily enabled when the volume is created.
  • Blog Post: Tip of the Day: CSV Redirected I/O Modes

    Today’s tip… In Windows Server 2012 the new Cluster Shared Volumes have three different types of redirected I/O modes. File level – Redirection on a per file basis File System level – Volume redirection at the top of the CSV pseudo-file system stack (the method...
  • Blog Post: Tip of the Day: SSP Supported Bus Types

    Today’s tip… Storage Spaces and Pools (SSP) are only supported on the following bus types: SATA - Serial Advanced Technology Attachment SCSI - Small Computer System Interface SAS - Serial Attached SCSI USB - Universal Serial Bus If using FC or iSCSI SAN, you should...
  • Blog Post: Tip of the Day: Can’t Extend a Storage Space (virtual disk)

    Today’s tip… When extending a existing virtual disk in Storage Spaces and Pools, you might encounter the following error even if you have plenty of unused space… This could be due to the virtual disk’s number of columns. To extend a virtual disk, they pool must have a number of unused disks equal to...
  • Blog Post: Tip Of the Day: iSCSI Target Change Tracking

    Today’s tip… The iSCSI software target included in Windows Server 2012 differs from previous versions in how it handles change tracking. Older versions used a .CBM (Change BitMap) file… The new version utilizes VSS for change tracking. So administrators might notice that the .CBM files no longer exist...
  • Blog Post: Tip of the Day: 'Simple' Is Not What You'd Expect

    Today’s tip… Windows Server 2012 has three resiliency types for Storage Spaces. Simple Mirror Parity The term 'simple' might cause some confusion as people are likely to relate it to a 'simple' volume on a dynamic disk. In Storage Spaces, a simple space is actually...
  • Blog Post: Tip of the Day: Bitlocker on CSVs

    Today’s tip… Bitlocker functionality is available on CSV2.0 (Cluster Shared Volumes). However, it is a requirement to have at least one Windows 2012 Domain Controller in the environment. Windows Server 2012 and 2012 R2 both can take advantage of this.
  • Blog Post: Tip of the Day: Partition IDs

    Today’s tip… A shift exists in the way Microsoft is marking its partitions.  Previously, a partition would have an ID in the partition table that denoted what file system type would be stored in it.  For example 06 for FAT and 07 for NTFS.  <screen shot of sector0 with boot code removed...
  • Blog Post: Tip of the Day: Controlling the Number of Columns in Storage Spaces

    Today’s tip… In Storage Spaces and Pools, when a virtual disk mirror set is created, the data copies will be configured to use the maximum possible columns up to 4. If you want to create a mirror set with greater than 4 columns you must use Windows PowerShell. Windows PowerShell: New-VirtualDisk -FriendlyName...
  • Blog Post: Tip of the Day: ReFS and CHKDSK

    Today’s tip… Because of the way that ReFS works, it is NOT necessary to run Chkdsk against it.
  • Blog Post: Tip of the Day: ReFS not a replacement for NTFS

    Today’s tip… Windows Server 2012 comes with a new file system, ReFS (Resilient File System). This file system is not meant to be a replacement for NTFS. It is merely meant to handle a small subset of what NTFS does. There are a number of things in NTFS that are not part of ReFS. Here...
  • Blog Post: Tip of the Day: Thin Provisioning Limitations

    Today’s tip… The following limitations exist for Windows based Thin Provisioning: Windows Thin Provisioning will not function on dynamic disks. PartMgr/VolMgr will block dynamic partition creation using thin provisioning LUN. Windows thin provisioning feature will not support thin provisioning LUN as...