On Wednesday 15 December 2010 12:24:58 Dale wrote: > Mark Knecht wrote: > > On Wed, Dec 15, 2010 at 9:49 AM, Volker Armin Hemmann > > > > <[email protected]> wrote: > >> On Wednesday 15 December 2010 05:54:40 Dale wrote: > >>> According to the mobo manual, if I enable AHCI, it is hot swappable. > >> > >> and enabling AHCI is the only sane option. So do it. > >> > >>> I > >>> just ain't to comfy doing it. I'd like to see it done with no smoke > >>> getting out first. > >> > >> no smoke. Worst case: controller hangs, you have to reboot. > > > > The worst case is _slightly_ worse than that, but certainly no smoke. > > Some systems (my 6 drive RAID compute server for instance) changes > > drive mapping between AHCI and compatibility modes so I had to adjust > > /etc/fstab. If Dale is using labels of some type he will likely be > > better off than I was. > > > > There certainly won't be any harm caused by changing the BIOS setting > > to AHCI and trying it out. Reboot and change BIOS back is all he would > > have to do in my experience. > > > > - Mark > > Are the drives any faster when using AHCI tho? If the speed is the same > then I may try it next time I reboot but not real sure why it would > matter. I was hoping for something even faster.
ahci is robust, in case of an error you don't have to wait for the 30-ide- timeout. NCQ can speed up some stuff. AHCI is just the right thing to do.
