Messages in this thread | | | Date | Tue, 31 May 2005 21:49:58 +0200 | From | Tobias Reinhard <> | Subject | Re: Problem with concurrent SATA-Writes |
| |
Lennart Sorensen wrote: > Might it be a problem with having two things using /dev/zero at the same > time? No, dding from /dev/zero two times at the same time is working perfectly
> What blocksize do you use with dd? Generally I use 1M. But the Problem is the same with 128k or with 4k
> What happens if you do dd from /dev/zero to two different files on one > of the hds (with some filesystem on the drive obviously)? I did it without a FS on it and its no problem to write at two different locations - as long as they are on one disc.
It seems to me that the driver has problems with handling two write-requests on two ports at the same time.
Tobias - 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/
| |