Re: ramdisks [a solution]

2009-04-17 Thread Mike Wright
Bill Davidsen wrote: Mike Wright wrote: Bill Davidsen wrote: Mike Wright wrote: I came up with a solution that uses LVM and it works a *charm*, albeit, probably because of large block sizes relative to the 16M size of the ramdisks, seems inefficient (costs 25% each). Maybe I can tune these

Re: ramdisks [a solution]

2009-04-17 Thread Bill Davidsen
Mike Wright wrote: Bill Davidsen wrote: Mike Wright wrote: I came up with a solution that uses LVM and it works a *charm*, albeit, probably because of large block sizes relative to the 16M size of the ramdisks, seems inefficient (costs 25% each). Maybe I can tune these and get better

Re: ramdisks

2009-04-16 Thread Mike Wright
Tim wrote: On Wed, 2009-04-15 at 13:42 -0700, Mike Wright wrote: I looked at tmpfs but that doesn't seem to accomplish what I want. With ramdisks I can mount them over the top of pre-existing directories, play to my heart's content, and leave the underlying files untouched. You c

Re: ramdisks [a solution]

2009-04-16 Thread Mike Wright
Bill Davidsen wrote: Mike Wright wrote: I came up with a solution that uses LVM and it works a *charm*, albeit, probably because of large block sizes relative to the 16M size of the ramdisks, seems inefficient (costs 25% each). Maybe I can tune these and get better. pvcreate /dev/ram15

Re: ramdisks

2009-04-15 Thread Tim
On Wed, 2009-04-15 at 13:42 -0700, Mike Wright wrote: > I looked at tmpfs but that doesn't seem to accomplish what I want. > With ramdisks I can mount them over the top of pre-existing > directories, play to my heart's content, and leave the underlying > files untouched.

Re: ramdisks [a solution]

2009-04-15 Thread Bill Davidsen
Mike Wright wrote: Sharpe, Sam J wrote: 2009/4/15 Mike Wright : Oh, great pool of collective wisdom, oracle of all, please be so kind as to share your knowledge with me. I seek knowledge of ramdisks. 1) In /dev there are 16 ramdisks of 16M each. Are these free for the current user or are

Re: ramdisks [a solution]

2009-04-15 Thread Mike Wright
Sharpe, Sam J wrote: 2009/4/15 Mike Wright : Oh, great pool of collective wisdom, oracle of all, please be so kind as to share your knowledge with me. I seek knowledge of ramdisks. 1) In /dev there are 16 ramdisks of 16M each. Are these free for the current user or are there other system

Re: ramdisks

2009-04-15 Thread Sharpe, Sam J
2009/4/15 Mike Wright : > Oh, great pool of collective wisdom, oracle of all, please be so kind as to > share your knowledge with me. > > I seek knowledge of ramdisks. > > 1) In /dev there are 16 ramdisks of 16M each.  Are these free for the > current user or are there other

ramdisks

2009-04-15 Thread Mike Wright
Oh, great pool of collective wisdom, oracle of all, please be so kind as to share your knowledge with me. I seek knowledge of ramdisks. 1) In /dev there are 16 ramdisks of 16M each. Are these free for the current user or are there other system processes that require them? If they are free