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#11
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Back-up Options - Which is the best?
"Dave" wrote...
How about an internal RAID 1 setup? Then continue to back up data to DVD monthly, and store the DVD in a fire-proof safe. That should cover just about anything. RAID 1 does not protect you from accidental erasure because both copies will be erased. Consider RAID 1 more of a data integrity measure than a backup measure. |
#12
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Back-up Options - Which is the best?
"Dave (from the UK)" wrote...
A good thing about DDS is that newer systems can read/write older tapes. So a DDS5 tape drive can read/write DDS2, DDS2, DDS4 and of course DDS5. (There is a DDS1, but the more modern units can write to that and probably can't read it either). HP, Seagate and Sony all produce DDS tape drives. Since the format is a standard, any DDS drive will read any tapes written by any other drive. You can get them internal or external. Beware of cheap, consumer-grade tape drives (and backup software), though. I've had good luck with professional-grade tape drives in servers in business environments, but not very good luck with consumer-grade tape setups. They tend to fail at inopportune times... Also, for non-automated backups and restorations, tape drives are much slower than HDDs. |
#13
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Back-up Options - Which is the best?
Or what about magnetic media? That's what HDDs are... What other types are you considering? What about building an external RAID array? Thanks, I like the idea of buying an enclosure and fitting my HDD of choice. As I said when I first asked the question originally, I really want to back up stuff which requires no refreshing, and just put it in a draw and then forget about it until needed, while avoiding the problems with the degeneration of optical media ink. So I was thinking DAT maybe or something else. Bit if I could stick it on a USB HDD, unplug it from the system and be relatively confident that it would still work, after laying unused for a few years, then that would suit me fine. I presume that the life of a HDD is very much determined by its usage but I am not sure about the electronics, which control it? As regards USB, is it just a bit of wire to an interface on the MB, or does the gizmo itself have electronic circuitry to complete the hand-shake (if I can call it that). Thanks already! |
#14
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Back-up Options - Which is the best?
"Steve Wade" wrote...
Bit if I could stick it on a USB HDD, unplug it from the system and be relatively confident that it would still work, after laying unused for a few years, then that would suit me fine. I presume that the life of a HDD is very much determined by its usage but I am not sure about the electronics, which control it? The HDD life is likely WAY longer than a CD, and much less susceptible to damage than tape... As regards USB, is it just a bit of wire to an interface on the MB, or does the gizmo itself have electronic circuitry to complete the hand-shake (if I can call it that). One cable to the USB port; one power cable. The external enclosure comes with the USB-IDE electronics. |
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