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Old 02-06-2005, 02:45 AM   #1
Registered: May 2003
Posts: 598

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Load Ramdisk at Startup

Never mind. I just took a guess and used:
mke2fs /dev/ram0
mount /dev/ram0 /mnt/ramdisk

And added those commands to /etc/rc.d/rc.local. Fortunately my system booted fine and the ramdisk was created.

Firefox is really fas now!

I created a ramdisk to use for my Firefox disk cache. It works great. How do I make sure it is there when I reboot. I just took a guess and added this to fstab:

/dev/rd0 /mnt/ramdisk ext2 defaults 0 0

Will that work?

Last edited by mooreted; 02-06-2005 at 04:34 AM.
Old 02-06-2005, 08:10 AM   #2
Registered: Jan 2005
Location: Ívik, Sweden
Distribution: MDK 10.1
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I don't think adding that to fstab will work. Entries in fstab get mounted in /etc/rc.sysinit and you don't
create the ramdisk until rc.local, which is a lot later in the boot chain.
Just put a mount command in rc.local instead.

- Peder
Old 02-06-2005, 01:56 PM   #3
Registered: May 2003
Posts: 598

Original Poster
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Thanks. That's what I had to do. I also had to put a chmod 777 command in. Every time I rebooted it would only allow root access. Maybe not the most elegant solution, but it's working.
Old 02-06-2005, 02:07 PM   #4
Registered: Nov 2004
Location: Texas
Distribution: openSUSE 10.3, Yoper Linux 3.0 , Arch Linux 2007.08
Posts: 253

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This sounds interesting. How do you control how big the ramdisk is? It sounds from your post that it is already there - you are just making a file system on it and then mounting it. How did you *create* it in the first place?

All that having been said and done, how do you get Firefox to use it for disk cache? I would LOVE to learn how to do that. That definitely would speed up the browser.

Old 02-06-2005, 02:50 PM   #5
Registered: May 2003
Posts: 598

Original Poster
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Here is the information for creating and sizing a ramdisk:

In the .mozilla/firefox directory there is a directory for the cache, I just removed that directory and did:

ln -s /mnt/ramdisk Cache

All requests to and from the symbolic link go to the ramdisk.


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