On Fri, 25 Feb 2011, Scott Matthews wrote: > Is there a method to enable "write back" cache instead of "Assuming > drive cache: write through"? As far as I know, there isn't. The kernel has to make an assumption because the drive doesn't say what it's doing. Besides, this is really a SCSI question, not a USB question, so it should be posted to the linux-scsi mailing list. > I'm getting less than 40MBs (megabytes) write performance on two USB 3.0 > Hard Drives and suspect it maybe the cache policy. > This is on an Ubuntu 10.04 box. Have you tried using the uas driver instead of usb-storage? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
