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RAID 5 HD numbering

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Original Message
Name: qustions02
Date: August 11, 2005 at 13:58:45 Pacific
Subject: RAID 5 HD numbering
OS: win 2k
CPU/Ram: 512
Comment:

Hi,
What will happen if a RAID 5 is created and then the order of the HD is changed and plugged into the array? eg. HD 1,2,3,4 are used and then order is changed to 1,2,4 and 3 .will the array crash or will it still work?? Just wanted to know!!
thanks in advance.


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Response Number 1
Name: Rick McNabb
Date: August 11, 2005 at 14:41:23 Pacific
Reply: (edit)

You talking SCSI I guess?

I do not think it will work if drive positions are changed.

Rule #1: Good Computers don't go down.
Rule #2: There is no such thing as a good computer.


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Response Number 2
Name: qustions02
Date: August 11, 2005 at 14:49:56 Pacific
Reply: (edit)

yea, i'm talking abt scsi. will it corrupt the data on the disks or will data be intact???


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Response Number 3
Name: Rick McNabb
Date: August 11, 2005 at 15:08:15 Pacific
Reply: (edit)

Because there is one redundant drive in RAID 5 implementation and parity and data is striped across the drives, changing the order of the drives will "break" the array.

Data should be intact because the array will report as broken.

Rule #1: Good Computers don't go down.
Rule #2: There is no such thing as a good computer.


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