Microsoft Reserved Partition

The Microsoft Reserved Partition, or MSR, is a partition on a data storage device that is labelled with Globally Unique Identifier (GUID) equal to E3C9E316-0B5C-4DB8-817D-F92DF00215AE. The containing storage device has to use the new GUID Partition Table (GPT) format, not the traditional master boot record (MBR) partition table format. Microsoft Reserved Partition is used to reserve space ahead of time for other use, and it does not contain any meaningful data itself.^[1]

Microsoft requires an MSR on every GPT disk, and recommends it to be created as the disk is initially partitioned. It should be located after the EFI System Partition (ESP) and any OEM service partitions, but—most importantly—the first data partition must follow it. Initial size of MSR is 32 MB on disks smaller than 16 GB, or 128 MB on other disks, although it may later automatically shrink on behalf of other partitions, for example during the conversion from basic disk to dynamic disk.

References

1. ^ "Microsoft Reserved Partition". Windows and GPT FAQ. http://www.microsoft.com/whdc/device/storage/GPT_FAQ.mspx. 

See also

• Basic data partition (BDP)
• EFI System Partition (ESP)

This computer storage-related article is a stub. You can help Wikipedia by expanding it.v · Categories: Computer storage stubs Microsoft Windows file system technology Wikimedia Foundation. 2010. Игры ⚽ Нужно сделать НИР? Mount Emblem Cemetery North Bradley Look at other dictionaries: GUID Partition Table — Dans le domaine du matériel informatique, une table de partitionnement GUID, en anglais GUID Partition Table (GPT) est un standard pour décrire la table de partitionnement d un disque dur. Bien qu il fasse partie du standard EFI Extensible… …   Wikipédia en Français Basic data partition — In Microsoft operating systems, when using basic disk partitioned with GUID Partition Table (GPT) layout, a basic data partition (BDP) is any partition identified with Globally Unique Identifier (GUID) of EBD0A0A2 B9E5 4433 87C0 68B6B72699C7.cite …   Wikipedia GUID Partition Table — (GPT), zu deutsch GUID Partitionstabelle, ist ein Standard für das Format von Partitionstabellen auf Festplatten oder anderen Datenträgern. Die Spezifikation ist Teil des UEFI Standards, der das BIOS in PCs ersetzen soll. GPT ist dabei der… …   Deutsch Wikipedia GUID Partition Table — In computer hardware, GUID Partition Table (GPT) is a standard for the layout of the partition table on a physical hard disk. It is a part of the Extensible Firmware Interface (EFI) standard proposed by Intel as a replacement for the PC BIOS, one …   Wikipedia Tabla de partición GUID — (GPT) es un estándar para la colocación de la tabla de particiones en un disco duro físico. Es parte del estándar Extensible Firmware Interface (EFI) propuesto por Intel para reemplazar la vieja BIOS del PC, heredada del IBM PC original. La GPT… …   Wikipedia Español MSR — has several meanings: MSR Studios, a New York recording studio Machine state register, is a feature in Intel X86 and X86 64 processors Magnetic Stripe Reader, to read Magnetic stripe cards, for example Credit Cards Main Supply Route, the route or …   Wikipedia MSR — agricult. abbr. Medium Stocking Rate comp. abbr. Machine Status Register abbr. Machine Specific Register (IC) abbr. Mess , Steuer und Regelungssysteme abbr. Mobile Support Router (MHP) abbr. Model Specific Register (Intel, Pentium, IC) comp. abbr …   United dictionary of abbreviations and acronyms MSR — Cette page d’homonymie répertorie les différents sujets et articles partageant un même nom.   Sigles d’une seule lettre   Sigles de deux lettres > Sigles de trois lettres   Sigles de quatre lettres …   Wikipédia en Français MSR — Mountain Safety Research (Academic & Science » Universities) **** Mortgage Servicing Rights (Business » General) ** Main Supply Route (Governmental » Military) ** Main Supply Route (Governmental » Transportation) * Model Specific Register… …   Abbreviations dictionary GPT-Datenträger — GUID Partition Table (GPT), zu deutsch GUID Partitionstabelle, ist ein Standard für das Format von Partitionstabellen auf Festplatten oder anderen Datenträgern. Die Spezifikation ist Teil des EFI Standards, der das BIOS in PCs ersetzen sollte.… …   Deutsch Wikipedia 18+ © Academic, 2000-2024 Contact us: Technical Support, Advertising Dictionaries export, created on PHP, Joomla, Drupal, WordPress, MODx. Mark and share Search through all dictionaries Translate… Search Internet Share the article and excerpts Direct link … Do a right-click on the link above and select “Copy Link”