The file exdisk.sys, known as Express Disk Service, belongs to software Express Disk Service. This driver file relates to the IBM System Storage DS4700 Express (1814) that is a DS4000 series midrange disk storage that offers high performance and high availability business-critical storage solution. The Model 70A has 2 GB cache memory (1 GB controller), four Fibre Channel 4 Gbps host ports, and four 4Gbps disk expansion ports, while the Model 72A has 4 GB cache memory (2 GB per controller), eight Fibre Channel 4 Gbps host ports, and four 4 Gbps disk expansion ports. The Express Disk Storage system features high performance and high availability for business-critical requirements that allows easy handling of bandwidth-intensive applications. The high availability is achieved through components such as redundant cooling, redundant power supplies, dual redundant controllers, and hot swappable disk drives. The IBM DS4700 Express Disk Storage system can grow without disruption through the Dynamic Capacity Expansion and the Dynamic Volume Expansion features.

Most non-system processes that are running can be stopped because they are not involved in running your operating system. exdisk.sys. is used by Express Disk Service, If you shut down exdisk.sys, it will likely start again at a later time either after you restart your computer or after an application start. To stop exdisk.sys, permanently you need to uninstall the application that runs this process which in this case is Express Disk Service, from your system.

After uninstalling applications it is a good idea to scan you Windows registry for any left over traces of applications. Registry Reviver by ReviverSoft is a great tool for doing this.

The ReviverSoft experts have not yet reviewed exdisk.sys

A process usually a part of an installed application such as Express Disk Service, or your operating system that is responsible for running in functions of that application. Some application require that they have processes running all the time so they can do things such as check for updates or notify you when you get an instant message. Some poorly written applications have many processes that run that may not be required and take up valuable processing power within your computer.

We have not received any complaint about this process having higher than normal impact on PC performance. If you have had bad experiences with it please let us know in a comment below and we will investigate it further.

The first thing you should do if exdisk.sys. is causing errors on your computer is to run a Windows registry scan with Registry Reviver If you are still seeing errors after this you should uninstall the program that exdisk.sys, belongs to, in this case Express Disk Service