The kernel did itself the job through the "autotune" option of ide.
/proc/ide/{hda/hdg}/settings differ only in:
@@ -11,7 +11,7 @@
failures 0 0 65535 rw
file_readahead 124 0 16384 rw
ide_scsi 0 0 1 rw
-init_speed 69 0 69 rw
+init_speed 12 0 69 rw
io_32bit 3 0 3 rw
keepsettings 0 0 1 rw
lun 0 0 7 rw
@@ -20,7 +20,7 @@
multcount 0 0 16 rw
nice1 1 0 1 rw
nowerr 0 0 1 rw
-number 0 0 3 rw
+number 2 0 3 rw
pio_mode write-only 0 255 w
slow 0 0 1 rw
unmaskirq 1 0 1 rw
It can be fast: it does during raid rebuild.
May be the machine simply dislikes me.
-- Ueimor - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/