On Fri, Feb 15, 2002 at 05:49:49PM -0800, Hidong Kim wrote: > Hi, > > I have a machine with an 800 MB swap partition. To run a particular > application, I need 1,000 MB swap. It appears that I can't create a > swap file bigger than 4,880 kB. Is this correct? How would I get more > swap space without having to re-partition? Thanks,
Do you mean 4,880 MB? (Since 4,880 Kb == 4.88 Mb, you've already got more than that in your 800Mb swap partition.) I'm not sure what the size limit on a swap file is--probably either 2 Gb or 4 Gb, but that's just a guess. The limit used to be 127Mb, but that was changed a while ago. I've successfully created a 200M swapfile. Regardless of that, you can create several swap files. For example, to create two 1Gig swap files: # dd if=/dev/zero of=/swapfile1 bs=1M count=1k # dd if=/dev/zero of=/swapfile2 bs=1M count=1k # mkswap /swapfile1 # mkswap /swapfile2 # swapon /swapfile1 # swapon /swapfile2 The "swapon" commands will allow you to start using the swap immediately instead of having to reboot. The extra swap space should show up in the output of the "free" command. Add a couple of lines to /etc/fstab so that the swap will be utilized automatically next time you reboot, and you should be fine. If you still can't create 1G swapfiles for some reason, just try dropping the size. For example, you could create four 500M swapfiles to get the same 2G of swap. Just use bs=1M and count=500 in the dd commands. Two things to note: it's really important to use /dev/zero as the input file so that there are no "holes" in the swapfile; and be very careful with the "mkswap" command--if you give it the wrong device/filename, you could wipe stuff out. :) Hope this helps, Ben -- Ben Logan: ben at wblogan dot net OpenPGP Key KeyID: A1ADD1F0 You are number 6! Who is number one? _______________________________________________ Redhat-list mailing list [EMAIL PROTECTED] https://listman.redhat.com/mailman/listinfo/redhat-list
