/sbin/hdparm -A1

should set your drive "read-lookahead" flag.

for more options type /sbin/hdparm --help     or       man hdparm

--Greg


> Greetings.
> 
> When running a mkraid it fails and looking in the /proc/mdstat reveals 
> read_ahead not set.
> I have done some searching but do not seem to be able to find any 
> references to read_ahead in any of the how-to's.
> This might be a kernel compile-time type problem. I am running 7.0 and 
> trying to mirror 2 ide partitions.
> 
> Stuart Lewallen
> Network Administrator
> SparkLIST.com Corporation
> 
> 

 
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