On Thu, Oct 25, 2001 at 08:45:29PM -0400, Cory Snavely wrote: > > Does Linux support any RAM drive(s)? How much faster are these > > drives over an attached drive? Is there a CPU performance penalty? Yes RAM disk support (CONFIG_RAMFS) > > We would like to replace our mechanical drive with a small (<4GB) > > RAM drive. The mechanical drive is getting pounded 24 hours a day. > > In addition to fatigue, the extra performance would be nice.
Linux caches most of disk access on unused memory automatically. So no need if you have free memory. > > Is it true the x86 architecture is limited to 32 bit addressing and > > will never support more than 4GB of address space? Trying to see > > what the limitation will be. Check High Memory Support (CONFIG_NOHIGHMEM) during kernel recompile; Linux can use up to 64 Gigabytes of physical memory on x86 systems. > > I know this is a lot of questions. As always, any help is > > appreciated. Cheers ;-) -- ~\^o^/~~~ ~\^.^/~~~ ~\^*^/~~~ ~\^_^/~~~ ~\^+^/~~~ ~\^:^/~~~ ~\^v^/~~~ + Osamu Aoki <[EMAIL PROTECTED]>, GnuPG-key: 1024D/D5DE453D + + My debian quick-reference, http://www.aokiconsulting.com/quick/ +
