| GPT and MBR are two standard layouts used for | | | | Cause |
| partition table on a hard disk. In MBR-based partition | | | | The prime reason for this behavior is that Windows |
| table, the system inserts the disk partioning | | | | Server 2003-based server clusters do not recognize |
| information in MBR itself, but the same information is | | | | GPT disks and cannot read them. The Configuration |
| placed in GPT header in GPT. The GPT-aware | | | | Wizard creates a single node cluster after cluster |
| operating systems checks the partition type to be of | | | | service in configured on a GPT disk and with a local |
| type 0xEE that encompasses the entire GPT drive. | | | | quorum resource. |
| But some operating systems' services cannot | | | | Solution |
| recognize this ID and show the disk as inaccessible. | | | | To solve the issue, discussed above, you should |
| So, to solve the issue, you might need to convert | | | | remove the cluster service and convert the GPT disk |
| the GPT disk to basic disk using MBR scheme. This | | | | to MBR disk. For this, you require to follow these |
| causes the entire data of partitions to delete. Thus, | | | | steps: |
| you are suggested to backup it prior to perform the | | | | Click Start | Administrative Tools | Computer |
| partition table conversion. However, if you lose it | | | | Management |
| because of any backup concerns, you should use a | | | | Click Disk Management in the console tree |
| windows partition recovery utility to recover them. | | | | Right-click the target GPT disk and click Convert to |
| For instance, consider you use Windows Server | | | | MBR disk |
| 2003, Windows Server 2003 SP1 or Windows Server | | | | Alternatively, you can choose to run convert mbr |
| 2003 SP2 on a GPT disk. You might notice these | | | | command for the target disk. After converting the |
| symptoms: | | | | disk, you need to restore from backup. But if it fails |
| Cluster service cannot recognize the GPT disks for | | | | for any reason, you need a powerful solution of |
| shared disks | | | | windows partition recovery. Incorporated with |
| Server cluster programs and services depending on | | | | advanced partition recovery technology, these |
| GPT disk resources cannot access the GPT disks | | | | windows partition recovery tools prove to the most |
| After you install the cluster service, upgrade disk | | | | effective tools at recovering lost data. |
| option to or from GPT is not available | | | | |