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On Mittwoch 17 Dezember 2008, Grant wrote: |
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> I'm about to buy a couple Samsung Spinpoint F1 hard drives and I was |
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> planning on setting them up in a RAID0 array. Everyone seems to love |
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> RAID1 though, and I'm a little confused as to why. Don't daily |
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> backups secure 99% of the data that RAID1 does? They even protect in |
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> the event of theft or fire which RAID1 doesn't. |
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raid does not replace backups. |
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> |
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> If one hard drive dies in a RAID1 array, does the system keep running? |
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yes, and that is whay raid1 (with two disks) is a good idea. |
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> If so, that's good, but there are so many other components that could |
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> die. In 15 years I've lost the power supply, video card, modem, |
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> motherboard, and CPU, but never a hard drive. With all these |
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> potential points of failure, how much greater system reliability do |
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> mirrored hard drives really offer? |
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I had a PSU killing two mobos - and I had half a douzend harddisk failures in |
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12 PC years. Everything else never died. Even the PSUs going bad did it so |
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slowly that there was enough of time to get a replacement. |
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Harddisks sucks - Raid1,5,6 make the sucking less painfull. |
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