Posted by: Anonymous
[ip: 24.62.104.244]
on January 21, 2008 02:04 PM
Why is the RAID 1 performance better than the RAID 0 performance on the multitasking benchmarks? I would have guessed that RAID 1 would perform about the same as a single drive, perhaps worse. Does Linux Software RAID 1 fetch both copies of the data simultaneously and then use the first to arrive? If that's the case it would explain the performance improvement because access times are much more important than bandwidth and simultaneous reads of both disks could reduce the average access times significantly.
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Posted by: Anonymous [ip: 24.62.104.244] on January 21, 2008 02:04 PM#