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EBSmount: Automatically mount EC2/Eucalyptus EBS devices ======================================================== EBSmount has 2 commands: ebsmount-udev Triggered by udev on EBS attach and detach ebsmount-manual Manually mount EBS device (simulates udev add trigger) Features: - Supports Amazon EC2 and Eucalyptus EBS devices - Automatically mounts EBS devices when they are attached (via udev) - Supports formatted devices, as well as partitions - Ignores unformatted devices and unsupported filesystems - Device/partition uniquely identifiable mountpoints - Configurable mount options - Hooking scripts execution upon mount (optionally) - Convenience command for a one step format and mount - Logging Quick start: - If the EBS device is not formatted, it will not be mounted automatically. For convenience, the user can format and mount the device in one step, for example: ebsmount-manual --format=ext4 /dev/sdf Default configuration (/etc/ebsmount.conf): ENABLED=True RUNHOOKS=False MOUNTDIR=/media/ebs MOUNTOPTIONS=noatime FILESYSTEMS=ext2 ext3 ext4 LOGFILE=/var/log/ebsmount.log DEVPATHS=/devices/xen/vbd- /devices/virtio-pci/virtio Unique mountpoints: - Every EBS filesystem is mounted to its own uniquely identifiable mountpoint, based on: $(MOUNTDIR)/$(FS_UUID)[:6] - For example: /media/ebs/a1b2c3 Hooking scripts: - Once a filesystem is mounted, EBSmount will execute scripts in alpha-numeric ordering located in MOUNTPOINT/.ebsmount - Hooking scripts execution is disabled by default. To enable execution, RUNHOOKS must be set to True in /etc/ebsmount.conf Additionally, hook scripts will only be executed if they are owned by root. - The mountpoint of the device will be set in the environment for convenience, as MOUNTPOINT - This provides a very powerful mechanism. In its simplest form, the user might want to symlink the mountpoint to a more accessible path, for example: MOUNTPOINT/.ebsmount/10symlink #!/bin/bash -e target=/vol mountp=$MOUNTPOINT [ -e $target ] || ln -s $mountp $target