Jon Nelson wrote:
I am getting 70-80MB/s read rates as reported via dstat, and 60-80MB/s as reported by dd. What I don't understand is why just one disk is being used here, instead of two or more. I tried different versions of metadata, and using a bitmap makes no difference. I created the array with (allowing for variations of bitmap and metadata version):
This is normal for md RAID1. What you should find is that for concurrent reads, each read will be serviced by a different disk, until no. of reads = no. of drives.
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