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#16
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Adding an external hard drive
As a backup destination, an external hard is no more or less secure than an internal hard drive or a network drive. --- How can you make such a ridiculous statement. An external hard drive is far more secure than an internal. Examples: 1. The power can be off the external while running the computer thereby protecting it from power surges and outages. 2. If the internal is also used for backup and a head crash occurs both systems are lost---primary and backup. Not so if external backup. 3. In event of fire or theft the external can be at some other location. |
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#17
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Adding an external hard drive
As a backup destination, an external hard is no more or less secure than an internal hard drive or a network drive. --- How can you make such a ridiculous statement. An external hard drive is far more secure than an internal. Examples: 1. The power can be off the external while running the computer thereby protecting it from power surges and outages. 2. If the internal is also used for backup and a head crash occurs both systems are lost---primary and backup. Not so if external backup. 3. In event of fire or theft the external can be at some other location. |
#18
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Adding an external hard drive
"Leonard Grey" wrote in message
... Did you determine the reason why the USB drive was not recognized in each case? What leads you to believe that the reason for failure was the fact that it was a USB drive that was being used? That's an odd question. The failure was due to the drives being USB drives. The drives worked when removed from the enclosure and installed as an internal drive. These were not enclosures bought separately with drives added...they were single units not meant to be opened, types like the W-D MyBook. Much USB troubleshooting was done in each case (removing UpperFilters, LowerFilters, and so forth), but all other USB drives and peripherals worked fine, so it seems the problem was with the USB bridge in the enclosure in these instances. A USB hard drive is little more than a regular internal hard drive with a USB adapter. In fact, you can make your own external hard drive from a regular internal hard drive and an enclosure. Well aware of that. As a backup destination, an external hard is no more or less secure than an internal hard drive or a network drive. Depends on what you mean by secure. External is more secure in that you can take it off-site....but that also makes it LESS secure, if someone unauthorised takes it off-site. ;-) External drives are more prone to run hot than internal drives, harder to monitor using S.M.A.R.T. tools, and easier to damage due to droppage and rough handling, potentially making an external drive a much less secure backup. I've spent enough time helping people try to recover data from external drives that are no longer recognized, to be wary of them as a sole backup plan. YMMV. On 12/15/2009 11:42 PM, glee wrote: Just an aside....I have assisted a number of people who used an external USB hard drive for backup and then suddenly could not get the USB drive recognized by any computer. In some cases, the drive had to be removed from the enclosure (not always easy to do) and installed as an internal drive to access the data again. In other cases, the data was just gone. As a result, I am leery of using USB hard drives for my only backup. -- Glen Ventura, MS MVP Oct. 2002 - Sept. 2009 A+ http://dts-l.net/ |
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