USB swapfile creation
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'''HOWTO set up a memory swapfile on a USB stick''' | '''HOWTO set up a memory swapfile on a USB stick''' | ||
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| + | '''*NOTE''' This feature should only be set up by users with large z-wave networks and some knowledge of Linux internal commands. | ||
| + | The functionality has been tested by some beta testers if the userforum at http://forum.mios.com, but using the feature should still be done with caution. | ||
==Prerequisites== | ==Prerequisites== | ||
Revision as of 20:32, 5 July 2011
HOWTO set up a memory swapfile on a USB stick
*NOTE This feature should only be set up by users with large z-wave networks and some knowledge of Linux internal commands. The functionality has been tested by some beta testers if the userforum at http://forum.mios.com, but using the feature should still be done with caution.
Contents |
Prerequisites
- Vera 2 hardware
- Vera firmware 1.1.1245 or later
- USB stick attached to Vera
Introduction
Heres a short manual on how to set up a memory swap file on a USB stick to allocate more memory for your Vera. This is an additional feature once you have set up USB logging for Vera as described here: Store_logs_USB
The instructions contain commands for 4 indivudual steps.
Data description for 64Mb swapfile Creating swapfile Start using swapfile Stop using a swapfile.
Please note that rebooting Vera will require a manual start of the swapfile. Upgrading Vera's firmware will require setting up the swapfile from scratch as per instructions below.
Instructions
To set up a swapfile for Vera to use after you have have enabled to store logs on a USB stick as described here: Store_logs_USB it is required to SSH into your Vera. This procedure is explained here: Logon_Vera_SSH.
Once you are at the SSH commandline, enter these commands one by one. Please note that the forst command can take a few minutes to complete, depending on the speed of your USB stick.
1. Data description for 64Mb swapfile for the filesystem:
dd if=/dev/zero of=/tmp/log/cmh/swapfile bs=1024 count=65536
2. Creating the actual swapfile:
mkswap /tmp/log/cmh/swapfile
3. Start using the newly created swapfile:
swapon /tmp/log/cmh/swapfile
If for some reason you would like to stop Vera using the swapfile use the following command after SSH-ing into Vera:
swapoff /tmp/log/cmh/swapfile
References
please find more info here:
http://wiki.openwrt.org/doc/howto/usb.storage
