On Wednesday 20 August 2008 13:50, Mag Gam wrote: > David: > > Do you have some sort of script to manage this? I am a little hesitate > to give professors mkfs and mount sudo access. Is there a way around > this?
You can specify the 'user' option in fstab so that usres can mount the relevant filesystem. If you precreate the files with the filesystems in them, it may cover it. > > On Wed, Aug 20, 2008 at 12:13 AM, Mag Gam <[EMAIL PROTECTED]> wrote: > > WOW! > > > > Very nice ideas. > > > > I like the dd idea. What command would I use for that? Also, the files > > are coming from NFS; how can I help this? Any ideas for this? > > > > On Tue, Aug 19, 2008 at 10:24 PM, David Fox <[EMAIL PROTECTED]> wrote: > >> On Tue, Aug 19, 2008 at 5:40 PM, Mag Gam <[EMAIL PROTECTED]> wrote: > >>> At my university we run fluid dynamic simulations. These simulations > >>> create many small files (30,000) per hour. Their size is very small > >>> (20k to 200k). Instead of having this on the filesystem since it take > >> > >> My approach: > >> > >> make a sufficiently-sized file using dd if=/dev/zero of=/bigfile bs=1m > >> count=1000 > >> > >> size so that you have enough room, and room for growth, of course > >> > >> Make a filesystem inside of that file (reiserfs might be a good choice > >> since it is well-designed to handle lots of smallish files, although > >> "small" by that definition may be much smaller than 200k) > >> > >> Mount that file in loopback mode prior to running your simulations, > >> and (after moving the files over to the new filesystem) direct all > >> filesystem traffic to use that 'filesystem' which may entail only > >> something simple as cd'ing into the 'filesystem' and starting work. > >> > >> > >> -- > >> To UNSUBSCRIBE, email to [EMAIL PROTECTED] > >> with a subject of "unsubscribe". Trouble? Contact > >> [EMAIL PROTECTED] -- Shachar Or | שחר אור http://ox.freeallweb.org/ -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]