Hi All, We can see the stripe cache in raid5.c, which is defined as follow, #define NR_STRIPES 256 It could improve the performance for raid, which value is the best? which things should be considered when i change this value? Thank you very much! Best Regards, Daobang Wang. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html