problem with mfiutil

Hi

I'm unable to make a raid10 on my servers with 6 disks in each
stripe.  I tried a few ways:

~ # mfiutil -u1 create raid10 -s1M e1:s0,e1:s1,e1:s2,e1:s3,e1:s4,e1:s5 e1:s6,e1:s7,e1:s8,e1:s9,e1:s10,e1:s11
mfiutil: Command failed: Invalid parameter
mfiutil: Failed to add volume: Input/output error

~ # mfiutil -u1 create raid10 -s1M 19,29,18,26,22,20 31,30,21,27,28,32
mfiutil: Command failed: Invalid parameter
mfiutil: Failed to add volume: Input/output error

It does however work with 2 disks in each stripe:
~ # mfiutil -u1 create raid10 -s1M 19,29 31,30

any ideas?

Ian

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Ian Freislich