March 21, 200719 yr unRAID Server OS version 4.0-beta1 is now available for download. With this release, unRAID is now based on the linux 2.6 kernel. This will provide far greater h/w compatibility and robustness. This release includes just 2 "new features": 1. Support up to 14 drives (with Pro key). 2. Support use of a "custom" timezone file to better support DST handling. Please follow the upgrade instructions carefully (see below). One caution: we consider this to be a true beta release. While we don't expect data corruption issues, there may be configuration issues since the way hard drives are detected and assigned is very much changed from previous releases. Here are the contents of the release "readme.txt" file: unRAID Server 4.0-beta1 Release Notes Upgrade Instructions -------------------- If you are currently running unRAID Server 3.0-beta1 or higher, please follow these steps to upgrade: 1. Referring to the System Management Utility 'Main' page, make a note of each disks's model/serial number; you will need this information later. 2. Shut down your server, remove the Flash and plug it into your PC. 3. Right-click your Flash device listed under My Computer and select Properties. Make sure the volume label is set to "UNRAID" (without the quotes) and click OK. You do NOT need to format the Flash. 4. Copy the files: bzimage bzroot syslinux.cfg from the new release to the root of your Flash device. 5. Right-click your Flash device listed under My Computer and select Eject. Remove the Flash, install in your server and power-up. 6. After your server has booted up, the System Management Utility 'Main' page will probably show no devices; this is OK, navigate to the 'Devices' page. Using the model/serial number information gathered in step 1, assign each of your hard drives to the correct disk slot. 7. Go back to the 'Main' page and your devices should appear correctly. You may now Start the array. If you are installing this release to a new Flash, please refer to instructions on our website at: http://www.lime-technology.com/wordpress/?page_id=19 Changes from 3.1-beta2 to 4.0-beta1 ----------------------------------- Improvement: move to linux 2.6.20 kernel. The linux 2.6 kernel offers several advantages over linux 2.4 kernel used in previous unRAID Server releases: - better hardware compatibility, especially with newer hardware - many enhancements and bug fixes in the disk i/o code - more opportunities for performance tuning Improvement: permit custom timezone. You can select the appropriate timezone file from our website and then download to the 'config' directory on your Flash. The main purpose of this feature is to implement proper Daylight Savings Time adjustments. Improvement: support up to 14 hard drives.
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