Re: mdconfig and _virtual_ memory

2001-06-20 Thread Mikhail Teterin
On 19 Jun, Matt Dillon wrote: > :> The swap backing in md(4) is a straight copy of the code which > :> lived in vn(4). I'm not terribly familiar with that code, but I > :> would expect that it would work with no swap space as well. > :> > :> Your man is probably Matt Dillon... > > You

Re: mdconfig and _virtual_ memory

2001-06-19 Thread Matt Dillon
:You can create an MD partition with wired memory - no swap backing :at all, if you want. Obviously you can make such a partition as :large as you might otherwise want to make it. Er, I meant "can't", not "can"... with wired memory there are some severe limitations to how

Re: mdconfig and _virtual_ memory

2001-06-19 Thread Matt Dillon
:So, Matt, any comments? : :On 7 Jun, Poul-Henning Kamp wrote: :> In message <[EMAIL PROTECTED]>, :> Mikhail Teterin writes: :> :... :> :> The swap backing in md(4) is a straight copy of the code which lived :> in vn(4). I'm not terribly familiar with that code, but I would expect :> that

Re: mdconfig and _virtual_ memory

2001-06-19 Thread Mikhail Teterin
So, Matt, any comments? On 7 Jun, Poul-Henning Kamp wrote: > In message <[EMAIL PROTECTED]>, > Mikhail Teterin writes: > >>When I moved to mdconfig, I figured I have to use ``-t swap'' for the >>same effect, but it seems, I was wrong -- apparently, ``swap'' means >>the filesystem will

Re: mdconfig and _virtual_ memory

2001-06-07 Thread Poul-Henning Kamp
In message <[EMAIL PROTECTED]>, Mikhail Teterin write s: >When I moved to mdconfig, I figured I have to use ``-t swap'' for the >same effect, but it seems, I was wrong -- apparently, ``swap'' means the >filesystem will always hit the disk, even if there is plenty of RAM to >go around. My sus

mdconfig and _virtual_ memory

2001-06-06 Thread Mikhail Teterin
Hi! For years of using MFS I presumed, that it used virtual memory -- RAM and swap to store the file system -- using RAM for speed of MFS and swap when RAM was needed by others. When I moved to mdconfig, I figured I have to use ``-t swap'' for the same effect, but it seems, I was wrong --