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I am trying to write to a Ramdisk because I suffer from terrible IO speeds on my VPS. It uses openVZ and I run a Centos 5 distro. So i ...
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  1. #1
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    Cannot write to Ramdisk - no space left on device!


    I am trying to write to a Ramdisk because I suffer from terrible IO speeds on my VPS. It uses openVZ and I run a Centos 5 distro.

    So i created my ramdisk with '/bin/mount -t tmpfs -o size=1G,nr_inodes=10k,mode=0775,noatime,nodiratime tmpfs /tmp'

    but whenever I try and copy files to it, it just spams me with 'no space left on device even though there is!

    Here is the output of df:

    /dev/simfs 157286400 6511452 150774948 5% /
    none 16441412 4 16441408 1% /dev
    tmpfs 5242880 1296 5241584 1% /disk/test
    tmpfs 5242880 1296 5241584 1% /disk/test
    tmpfs 1048576 1296 1047280 1% /tmp

    here is the output of df -i:

    Filesystem Inodes IUsed IFree IUse% Mounted on
    /dev/simfs 119832704 60865 119771839 1% /
    none 4110353 97 4110256 1% /dev
    tmpfs 51200 379 50821 1% /disk/test
    tmpfs 51200 379 50821 1% /disk/test
    tmpfs 10240 82 10158 1% /tmp

    I have tried writing to the following directories:

    /tmp
    /disk/test
    /dev/shm

    but all have the same problem! Am I missing something, or perhaps my host is restricting ramdisks?

  2. #2
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    May 2011
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    Anyone have any ideas?

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