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Archive for November 20th, 2006

Desktop drives on a RAID controller - not good

Monday, November 20th, 2006
Posted in Storage Interconnects & RAID, Advisor - Tom Treadway

Question to the Storage Advisors: I now read that there are specialized RAID hard disks that have “Time Limited Error Recovery”, which my disks do not have. Will my RAID controller compensate for hard disk based error recovery that takes many minutes?

Buffer, buffer, who’s got the buffer

Monday, November 20th, 2006
Posted in Storage Interconnects & RAID, Advisor - Tom Treadway

Question to the Storage Advisors: Why is such a large drive buffer/cache needed, considering controllers and the host have much larger caches anyway? And/or, why is read-ahead data not forwarded to the host immediately?

Software RAID: It’s not just about performance

Monday, November 20th, 2006
Posted in Storage Interconnects & RAID, Advisor - Tom Treadway

Question to the Storage Advisors: I’m torn between RAID 5 and 10. I know that with RAID-5, the performance of a third-party card is far superior than using an on-motherboard controller, but what about RAID-10? …