unRAID Server 4.4-beta1 Release Notes
Changes from 4.4-beta1 to 4.4-beta2
Improvement: added more spin-down delay settings (15, 30, 45 minutes, 6, 7, 8, 9 hours) and changed method of disk spin-down/spin-up:
- No longer use disk's internal spin-down timer; instead monitor I/O directly.
- A spun down drive will spin-up on demand when it recieves an I/O command (this is unchanged).
- The 'Spin Up' button in the System Management Ultility now uses a SMART command to spin up the disks.
Bug fix: if a drive took longer than 10 seconds to spin up, then a driver timeout error and subsequent SATA channel reset would appear in the system log.
[fix is to increase scsi_execute() timeout (from 10 to 30 sec) in drivers/ata/libata-scsi.c]
Bug fix: the 'Clear Statistics' button will now also clear the Cache Drive statistics.
Bug fix: fixed crash which could occur if multiple disks fail in the same stripe simultaneously.
Improvement: upgrade smartmontools package to version 5.38.
Changes from 4.3.3 to 4.4-beta1
New feature: support SMP (multi-core processors).
Improvement: read performance enhancements.
Improvement: update to linux kernel 126.96.36.199.
Bug fix: fixed race condition in network initialization which would sometimes result in DHCP failure to get IP address.
If you are currently running unRAID Server 4.2-beta1 or higher (including 4.2.x 'final'), please copy the following files from the new release to the root of your Flash device:
If you are currently running unRAID server 4.0 or 4.1, please copy the following files from the new release to the root of your Flash device:
This can be done either by plugging the Flash into your PC or, by copying the files to the 'flash' share on your running server. The server must then be rebooted.
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 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: