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A DIY solution to an invalid node structure problem
Authored by: johnsawyercjs on Mar 13, '07 08:43:54PM

The message you were getting from Diskwarrior regarding a disk error, may have been bad blocks. Though using Disk Utility's "zero data" option sometimes fixes bad blocks, my experience with hundreds of drives has been that at least half the time, bad blocks return on these drives, sometimes immediately, and sometimes only later, making replacing the drive the better solution. I do this routinely even if the drive has one bad block, since drives are cheap these days, and there's no sense in taking chances with your data on a drive that's already proven itself to be in questionable shape.

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