physical

Google has restored access to email for around 40,000 customers whose accounts were mistakenly wiped clean this past Sunday. It says the delay in sorting the problem was because it had to restore from a physical back-up. The problem began on Sunday ... afternoon when some customers found either they were unable to access their Gmail accounts, or that the accounts appeared as if they were open. That is to say, there were no messages whatsoever in the archive, except for a welcome message from Google. Google said it was working on the problem and noted that in cases where users were unable to log- ... (view more)

Data recovery is the process of recovering data from primary storage media when it cannot be accessed normally. This can be due to physical damage to the storage device or logical damage to the file system that prevents it from being mounted by the ... host operating system. Data Recovery: Physical damage A wide variety of failures can cause physical damage to storage media. CD-ROMs can have their metallic substrate or dye layer scratched off; hard disks can suffer any of several mechanical failures, such as head crashes and failed motors; and tapes can simply break. Physical damage always causes ... (view more)