Back Up Important Data!
Chapter 2, “Before You Install or Upgrade,” emphasized that before you attempt to perform an upgrade to Windows XP, you should first perform a backup of the system or at least the data files. Back up those files as well as any other files you may need to restore the system in the case of a problematic failure. Although modern PCs can be very reliable, anything can happen that may cause a loss of data. This is especially true for users of Windows XP. Many redundant capabilities like the feature called redundant array of inexpensive disks (RAID) are not often found on a personal computer. These expensive techniques are usually reserved for high-end servers.
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Redundant Array of Inexpensive Disks (RAID). This term was conceived ...
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