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Instinct
n00b
Joined: 02 Aug 2002
Posts: 74
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 Posted: Fri Aug 01, 2003 10:35 pm Post subject: Couple SATA Raptor Questions |
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Got my Raptor last night and after learning a couple things the hard way I've got my old system transfered perfectly onto the new drive... very fast (hdparm -t says 54MB/s) so I'm happy with that.
Oh, should mention hardware - this is an A7N8X DLX with one WD Raptor on the on-board 3112 controller.
I have a couple small issues that while not critical do kind of annoy me. First off, during kernel boot all goes well to this point:
| Code: | SiI3112 Serial ATA: IDE controller at PCI slot 01:0b.0
SiI3112 Serial ATA: chipset revision 2
SiI3112 Serial ATA: not 100% native mode: will probe irqs later
ide2: MMIO-DMA , BIOS settings: hde:pio, hdf:pio
ide3: MMIO-DMA , BIOS settings: hdg:pio, hdh:pio
hdc: ATAPI CD ROM DRIVE 50X MAX, ATAPI CD/DVD-ROM drive
hdd: 24X10, ATAPI CD/DVD-ROM drive
hde: WDC WD360GD-00FNA0, ATA DISK drive
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at which point it hangs for about 15-20 seconds before coming back with | Code: | | hdg: no response (status = 0xfe) |
Just bothers me to sit there waiting for it to try and find a drive that doesn't exist.
The second problem is DMA... right now I am enabling it with hdparm using /etc/conf.d/local.start (without it I get a whole 1.7MB/s) which works fine but the boot process sure would be quicker if DMA could be enabled in the kernel somehow.
Now I do have the normal use DMA option enabled in the kernel, and it will boot any standard IDE drive with DMA right away, no need for hdparm, but I'd like that action on my SATA drive.
I know... shouldn't be that important since I don't reboot this thing much, but it would be nice to take care of those issues if anyone has any information... Good chance I just overlooked something. |
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Moled
l33t
Joined: 09 Jul 2003
Posts: 635
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| Posted: Fri Aug 01, 2003 11:51 pm Post subject: |
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I get the same, its not the raptors, its the driver for the siimage specifically doesnt enable dma by default afaik
but yes they are nice :]
/dev/sda:
Timing buffer-cache reads: 3632 MB in 2.00 seconds = 1816.00 MB/sec
Timing buffered disk reads: 166 MB in 3.02 seconds = 54.97 MB/sec
can't get hardware raid to work 
software will do fine tho 
/dev/md0:
Timing buffer-cache reads: 3620 MB in 2.00 seconds = 1810.00 MB/sec
Timing buffered disk reads: 330 MB in 3.01 seconds = 109.63 MB/sec |
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Kernel & Hardware
