>> Have you tried 4k chunks? > > No not yet. I've been taking some measurements with 16k, 32k, 64k, > 128k, 256k. So far it looks like 64k has the highest speeds for RAID > 5 sequential writes. Correction. It looks like a 32k chunk size gives the best performance overall for RAID 5 sequential and random access. I'm checking this on RAID 0, 1, and 6 as well. -- 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
