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How to switch "/" back to writable mode without reboot?

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linux-howto

http://unix.stackexchange.com – [root@SERVER .ssh]# mount|grep -i " / " /dev/mapper/rootvg-root_lv on / type ext3 (rw) [root@SERVER .ssh]# mount -o remount / mount: block device /dev/rootvg/root_lv is write-protected, mounting read-only [root@SERVER .ssh]# How can I make the "/" writable again without a reboot? [root@SERVER ~]# lsb_release -a LSB Version: :core-3.1-amd64:core-3.1-ia32:core-3.1-noarch:graphics-3.1-amd64:graphics-3.1-ia32:graphics-3.1-noarch Distributor ID: RedHatEnterpriseServer Description: Red Hat Enterprise Linux Server release 5.4 (Tikanga) Release: 5.4 Codename: Tikanga [root@SERVER ~]# (HowTos)