This message is from the T13 list server.
Yep it is called DATABASE access. Andre Hedrick LAD Storage Consulting Group On Tue, 17 Jun 2003, Jens Axboe wrote: > This message is from the T13 list server. > > > On Tue, Jun 17 2003, Constantine Sapuntzakis wrote: > > This message is from the T13 list server. > > > > > > All the operating systems I've ever seen have locks to ensure that you > > don't issue multiple I/Os simultaneously to the same range of sectors on > > a disk. > > For various types of raw/direct-io, Linux will quite happily issue > overlapping/identical reads/writes simultaneously. When you don't have a > cachen in-between, there's typically nothing preventing anything like > that. I'd be surprised if other OS didn't behave similarly. At least > with submitting raw commands this could trivially happen. > > -- > Jens Axboe >
