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4416074b
2009 Nov 08
5
Disk I/O in RAID-Z as new disks are added/removed
Hello,
As I understand it, in a traditional RAID 5 setup adding new disks to the pool provides more overall I/O as the load is spread out across multiple disks.
What exactly is this relationship in a RAID-Z setup? What should one expect in terms of overall I/O performance as disks are added and/or removed? I understand that the checksum data is distributed across all disks, unlike a traditional