Solutions to Issues Arising With RAID 5 in Windows® 7
What are the issues that can occur with RAID 5 in Windows 7?
Windows 7, the newest Operating System, comes with a variety of amazing and interesting features. Windows 7 is so responsive that you could start your PC very quickly. Windows 7 is designed in such a way it is very fast in searching files, folders, and applications which it does within seconds. RAID, Redundant Array of Independent Disks, is a category of disk drive which could employ two or more drives in combination so as to offer a better performance. Then, so as to improve the overall performance, RAID would allow you to store the same data in a balanced way. To build a RAID 5 array, you would require at least three drives and these drives must be identical so as to offer best performance. The methods which are used to store data by RAID controllers need not always be compatible; so it is not possible to read a RAID array on different hardware.
Following are issues that occur with RAID 5 in Windows 7, their symptoms, and tips to fix them:
- Information store corruption
- Write cache problem
- Virus infection and other problem
Information store corruption
All the information files, including the log files, are stored in the same drive in the RAID system. Thus, if one or more RAID components fail to exchange information, the RAID drive would show typical information. In such a situation, you would require Exchange Server Recovery solution to repair the database and recover the lost data. Then, so as to repair the database, you could run the eseutil /p command.
Write cache problem
The disk system would allow the write operation as soon as the data is in the cache and it does not wait for the data to be physically written without any protection. Thus, in case there is a power failure, the controller itself would fail and the disc could not be moved to any other controller. Then, to solve this problem, you could make use of some safer cache technique like write through. You could also make use of a battery so as to defend the power failure.
Viruses are often considered one of the major troubles. When RAID 5 protects your data from disk failures, it is still exposed to virus infection, operator, hardware, and software destruction. The failure of the Operator is one of the common sources of malfunctioning like the system disabling temporarily in the process. You could make use of separate backup systems to hold the copies of data and protect your data when RAID 5 is exposed to virus infection and other problems like hardware, software, and operator destruction.
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