Книга: Windows Server 2012 R2 Storage, Security, & Networking Pocket Consultant

Understanding drive status

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Understanding drive status

Knowing the status of a drive is useful when you install new drives or troubleshoot drive problems. Disk Management shows the drive status in Graphical View and Volume List view. Table 1–2 summarizes the most common status values.

TABLE 1–2 Common drive status values

STATUS DESCRIPTION RESOLUTION
Online The normal disk status. It means the disk is accessible and doesn’t have problems. Both dynamic disks and basic disks display this status. The drive doesn’t have any known problems. You don’t need to take any corrective action.
Online (Errors) I/O errors have been detected on a dynamic disk. You can try to correct temporary errors by pressing and holding or right-clicking the disk and selecting Reactivate Disk. If this doesn’t work, the disk might have physical damage or you might need to run a thorough check of the disk.
Offline The disk isn’t accessible and might be corrupted or temporarily unavailable. If the disk name changes to Missing, the disk can no longer be located or identified on the system. Check for problems with the drive, its controller, and cables. Make sure that the drive has power and is connected properly. Use the Reactivate Disk command to bring the disk back online (if possible).
Foreign The disk has been moved to your computer but hasn’t been imported for use. A failed drive brought back online might sometimes be listed as Foreign. Press and hold or right-click the disk, and then tap or click Import Foreign Disks to add the disk to the system.
Unreadable The disk isn’t accessible currently, which can occur when disks are being rescanned. Both dynamic and basic disks display this status. With FireWire and USB card readers, you might get this status if the card is unformatted or improperly formatted. You might also get this status after the card is removed from the reader. Otherwise, if the drives aren’t being scanned, the drive might be corrupted or have I/O errors. Press and hold or right-click the disk, and then tap or click Rescan Disk (on the Action menu) to try to correct the problem. You might also want to restart the system.
Unrecognized The disk is of an unknown type and can’t be used on the system. A drive from a system that is not based on Windows might display this status. If the disk is from another operating system, don’t do anything. Normally, you can’t use the drive on the computer without initializing and formatting it, so try a different drive.
Not Initialized The disk doesn’t have a valid signature. A drive from a system not based on Windows might display this status. If the disk is from another operating system, don’t do anything. You can’t use the drive on the computer, so try a different drive. To prepare the disk for use on Windows Server 2012 R2, press and hold or right-click the disk, and then tap or click Initialize Disk.
No Media No media has been inserted into the DVD or removable drive, or the media has been removed. Only DVD and removable disk types display this status. Insert a DVD or a removable disk to bring the disk online. With FireWire and USB card readers, this status is usually (but not always) displayed when the card is removed.

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