Depending on the disk configuration, you can maximize the performance of virtual memory by storing virtual memory on a different physical hard disk from other files. For example, if a computer has a separate C: and D: drive, Windows by default uses the C: drive for virtual memory. By moving the virtual memory to the D: drive, Windows might be able to read and write files stored on the C: drive at the same time it accesses virtual memory.
STORING VIRTUAL MEMORY ON A SEPARATE DISK
Although you can achieve performance benefits by storing virtual memory on a separate hard disk, you will not see any benefits by storing virtual memory on a different volume or partition of a single hard disk. For best performance with multiple disks, configure the disks in a redundant array of independent disks (RAID) array, and store all data on that RAID array.
To configure which disk Windows stores virtual memory on, perform these steps:
- Click Start, right-click Computer, and then click Properties.
- Click Advanced System Settings.
- On the Advanced tab of the System Properties dialog box, click Settings in the Performance group.
- On the Advanced tab of the Performance Options dialog box, click Change.
- Clear the Automatically Manage Paging File Size For All Drives check box.
- Select the drive that you want to use to store virtual memory (also known as a paging file). Click System Managed Size, and then click OK.
- Select the system drive which currently has the paging file assigned to it. Click No Paging File, and then click Set. Click Yes when prompted.
- Click OK four times, and then click Restart Now to restart your computer.
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