Re: User configurable swap files

2005-10-18 Thread Peter Clutton
On 10/18/05, Alistar Erlas <[EMAIL PROTECTED]> wrote:
> Hello,
>
> I have a feature idea that might be interesting and I
> think would be very useful.
>
> I think it would be an excellent feature to be able,
> in addition to using a swap partition, also be able to
> create files in a filesystem that can be used for
> additional VM space, especially which can be created
> while the kernel is running and a maximum size that
> can also be configured during run time. I have run
> into the problem of where the system has run out of VM
> space on the system, but I would rather not have to
> repartition. Users could for instance define swap
> files on filesystems on flash memory sticks that you
> plugin to USB ports. Instant memory upgrade. Or they
> could set them up on remote filesystems. many
> possibilities. Thank you, for your attention it is


I believe this is already in place. Is this maybe what you are looking for?:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/adding-swap-space.html
http://www.freebsddiary.org/swap.php
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Re: User configurable swap files

2005-10-17 Thread David Kelly


On Oct 17, 2005, at 9:35 PM, Alistar Erlas wrote:


Hello,

I have a feature idea that might be interesting and I
think would be very useful.

I think it would be an excellent feature to be able,
in addition to using a swap partition, also be able to
create files in a filesystem that can be used for
additional VM space, especially which can be created
while the kernel is running and a maximum size that
can also be configured during run time.


Already exists. Look for the "swapfile" parameter in /etc/defaults/ 
rc.conf. Its run from /etc/rc.d/addswap. There is no reason you can't  
do the two step procedure manually from the keyboard.


See also swapon(8), and mdconfig(8).

--
David Kelly N4HHE, [EMAIL PROTECTED]

Whom computers would destroy, they must first drive mad.



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User configurable swap files

2005-10-17 Thread Alistar Erlas
Hello,

I have a feature idea that might be interesting and I
think would be very useful.

I think it would be an excellent feature to be able,
in addition to using a swap partition, also be able to
create files in a filesystem that can be used for
additional VM space, especially which can be created
while the kernel is running and a maximum size that
can also be configured during run time. I have run
into the problem of where the system has run out of VM
space on the system, but I would rather not have to
repartition. This would add a lot of flexibility as
well by allowing the swap space used on the disk to be
variable, only the amount of space needed could be
used rather than a fix sized partition. It is
important to allow users to define as many swap files
as they wish. Users could for instance define swap
files on filesystems on flash memory sticks that you
plugin to USB ports. Instant memory upgrade. Or they
could set them up on remote filesystems. many
possibilities. Thank you, for your attention it is
greatly appreciated. 

You attention to this letter is greatly appreciated.



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