External hard drives
by forkboy - 4/19/08 2:27 PM
In Reply to: Using External Hard Drive by jneenan
I have read other sources indicating that external hard drives are less reliable than internal, but I have yet to read why. It would seem to me that they should be just as reliable (or unreliable, depending upon which way you wish to phrase it) as internal hard drives. Can you offer any insight into why it is alleged that external hard drives are less reliable?
In addition, and assuming they are actually less reliable, I think the more important issue is whether this less reliable state makes the users backup procedure less than useful. Assuming the external hard drive is less reliable and did crash, or otherwise become useless, it is highly unlikely the computer's hard drive(s) (the internal one(s)) would also die at the same time, thus leaving the user to repair the external or simply replace it and create a new backup.
Of course, there could be a situation whereby both the internal and external drives could crash/die at the same time (electrical surge), but following safety measures as outlined by others (unplugging the external, using a battery backup, etc.) would go far to mitigate this possible, but not probable, situation.
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