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Yet another RAID question.

post #1 of 6
6/30/04 at 4:47pm
Thread Starter 
Well, I ordered my 8790 but without the dual 60 gb hard drives because I'm simply too poor. I'm curious though, if I could get the Hitachi Travelstar for muuuuuch less, is it possible to configure both my drives in RAID 0 even though my first drive will have some stuff already on it? Thanks for your help.
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post #2 of 6
6/30/04 at 4:54pm
If you ask Sager to configure it as RAID-0 with the one drive when it is "put together", yes. Otherwise you will need to set it up as RAID-0 and then reinstall everything.
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post #3 of 6
6/30/04 at 6:12pm
Thread Starter 
I called PC Torque and they said that I won't be able to successfully RAID the drive unless I reinstall everything. They said another alternative would be to ghost the drive and then RAID the drives. I don't know, maybe RAID isn't worth all that effort. (I'm reaaaaaaaaaaally lazy). Thanks for your help, though.
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post #4 of 6
6/30/04 at 7:50pm
Raid 0 is not for lazy people. You better have a consistent back up plan or you could lose ALL your data just because of a minor harddrive glitch.

At least I think this is true, someone correct me if I'm wrong.
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post #5 of 6
6/30/04 at 8:49pm
There is a given probability that a HDD will fail...this is the same for all HDDs of a particular model. Because RAID-0 utilizes 2 HDDs, the resulting probablity of experiencing a failure is P(HDD 1 fails) + P(HDD 2 fails)...so if P(HDD 1 fails)=P(HDD 2 fails)=.0001 (1/100 of a %) then the P(experiencing a failure under RAID)=.0002

What am I saying?...only a fool doesn't backup regularly regardless whether you are running RAID or not...everyone has a probablity of losing data.
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post #6 of 6
6/30/04 at 9:44pm
Quote:
Originally Posted by Cairngorm
There is a given probability that a HDD will fail...this is the same for all HDDs of a particular model. Because RAID-0 utilizes 2 HDDs, the resulting probablity of experiencing a failure is P(HDD 1 fails) + P(HDD 2 fails)...so if P(HDD 1 fails)=P(HDD 2 fails)=.0001 (1/100 of a %) then the P(experiencing a failure under RAID)=.0002

What am I saying?...only a fool doesn't backup regularly regardless whether you are running RAID or not...everyone has a probablity of losing data.
Probability calculation is flawed. Backups are a given - even without raid if you really wish to preserve your data.
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