Re: Bad I/O performance Highpoint Rocket 1520 SATA controller (kernel 2.6.11.12)

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Roger Heflin wrote:

hde: SAMSUNG SP0802N, ATA DISK drive
hde: max request size: 1024KiB
hde: 156368016 sectors (80060 MB) w/2048KiB Cache, CHS=16383/255/63,
UDMA(100) DISK drive
hdg: [same as hde]

HPT372A: IDE controller at PCI slot 0000:01:02.0
    ide4: BM-DMA at 0x8400-0x8407, BIOS settings: hdi:DMA, hdj:pio
    ide5: BM-DMA at 0x8408-0x840f, BIOS settings: hdk:DMA, hdl:pio

1520/1640's are low end, Highpoint 1810, and 1820 are real raid
and quite fast, but need their extra driver to work.  The newer
2220 are quite good also, they are probably also quite a bit
more money.

hi roger, thanks for the reply,

besides being 100% true, it's irrelevant. I'm not using the card's raid features. As a standalone drive controller, it should be no different from a non-raid version (it's HPT302 instead of HPT372) and therefore should do the job normally i.e. with proper I/O speeds.

I won't use a 1520/1640.   I think they are also fakeraid.

yes, they are. I'd be interested in finding out decent and well supported (linux opensource drivers, preferably in kernel tree) low-end (cheap) non-raid SATA controllers for 2/4 drives.

best regards,
pedro venda.
--
Pedro João Lopes Venda
pjvenda < at > arrakis dhis org
http://arrakis.dhis.org
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