Bart, Thanks for definitive answer and the link to a great thread. I need one more:
I have to set the heads and cylinders on the disk partitions of the virtualized servers. Now I assume I also have to set heads and cylinders on the raid partions, exported by the targets. Is this assumption correct? Thanks, Eric On Dec 22, 1:51 pm, "Bart Van Assche" <bart.vanass...@gmail.com> wrote: > On Mon, Dec 22, 2008 at 1:18 PM, Ulrich Windl > > <ulrich.wi...@rz.uni-regensburg.de> wrote: > > I think since ZBR (Zone Bit Recording) the number of sectors per cylinder is > > variable. thus it makes no sense for any higher-level disk software to try > > to deal > > with heads or cylinders. Since ATA (about 1990) only the controller on the > > disk > > knows the tracks, heads, and cylinders. The rest is just logic. Therefore > > SCSI > > (nad now LBA) just uses logical block numbers. > > At least with IET, changing the heads/sector values for the exported > disk does improve speed. See > alsohttp://www.mail-archive.com/open-iscsi@googlegroups.com/msg01664.html. > > Bart. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "open-iscsi" group. To post to this group, send email to open-iscsi@googlegroups.com To unsubscribe from this group, send email to open-iscsi+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/open-iscsi -~----------~----~----~----~------~----~------~--~---
