• Unraid OS version 6.8.0-rc7 available


    limetech

    -rc7 tldr:

    • Updated kernel and Intel microcode which was released just after -rc6.
    • Revert libvirt from 5.9.0 to 5.8.0 because 5.9.0 has bug where 'libvirt_list_domains()' returns an empty string when all domains are started instead of a list of domains.
    • Fixed md/unraid crash resulting when bringing cleared array device online (bug introduced in multi-stream support).
    • Don't let backslash be included in share names and vdisk paths.
    • Misc. webGUI fixes.
    • Other package updates.

     

    Specific changes in [-rcN] are indicated in bold below.

     

    New in Unraid OS 6.8 release:

     

    The unRAIDServer.plg file (update OS) still downloads the new release zip file to RAM but then extracts directly to USB flash boot device.  You will probably notice a slight difference in speed of extract messages. [-rc2] The 'sync' command at the end has been replaced with 'sync -f /boot'.

     

    Forms based authentication
    If you have set a root password for your server, upon boot you'll now see a nice login form.  There still is only one user for Unraid so for username enter root.  This form should be compatible with all major password managers out there.  We always recommend using a strong password.  [-rc2] There is no auto-logout implemented yet, please click Logout on menu bar or completely close your browser to logout.

     

    Linux kernel 5.3

    • [-rc6/-rc7] include latest Intel microcode for yet another hardware vulnerability mitigation.
    • default scheduler now 'mq-deadline' [-rc2] but this can be changed via Settings/Disk Settings/Scheduler setting.
    • enabled Huge Page support, though no UI control yet
    • binfmt_misc support
    • added "Vega 10 Reset bug" [-rc2] and 'navi-reset' patches removed [-rc5]
    • [-rc2] added oot: Realtek r8125: version 9.002.02
    • [-rc3] additional md/unraid changes and instrumentation
    • [-rc6] fix chelsio missing firmware
    • more device drivers

     

    Some out-of-tree (oot) drivers are currently omitted either because the source code doesn't compile or driver doesn't work with the 5.3 kernel:

    • Intel ixgbe [does not build] (using in-tree driver)
    • Highpoint r750 [does not work]
    • Highpoint rr3740a [does not build]

     

    This is always the risk with including vendor-supplied drivers.  Until the vendor fixes their code we must omit their driver.

     

    md/unraid driver
    Introduced "multi-stream" support:

    • Reads on devices which are not being written should run at full speed.  In addition, if you have set the md_write_method tunable to "reconstruct write", then while writing, if any read streams are detected, the write method is switched to "read/modifywrite".
    • Parity sync/check should run at full speed by default.
    • Parity sync/check is throttled back in presence of other active streams.
    • The "stripe pool" resource is automatically shared evenly between all active streams.

     

    As a result got rid of some Tunables:

    • md_sync_window
    • md_sync_thresh

    and added some tunables:

    • md_queue_limit
    • md_sync_limit
    • [-rc2] md_scheduler

     

    Please refer to Settings/Disk Settings help text for description of these settings.


    WireGuard support - available as a plugin via Community Apps.  Our WireGuard implementation and UI is still a work-in-process; for this reason we have made this available as a plugin, though the latest WireGuard module is included in our Linux kernel.  Full WireGuard implementation will be merged into Unraid OS itself in a future release.  I want to give special thanks to @bonienl who wrote the plugin with lots of guidance from @ljm42 - thank you!  I also should give a shout out to @NAS who got us rolling on this.  If you don't know about WireGuard it's something to look into!

     

    Guide here:


    WS-Discovery support - Finally you can get rid of SMBv1 and get reliable Windows network discovery.  This feature is configured on the Settings/SMB Settings page and enabled by default.

    • Also on same settings page is Enable NetBIOS setting.  This is enabled by default, however if you no longer have need for NetBIOS discovery you can turn it off.  When turned off, Samba is configured to accept only SMBv2 protocol and higher.
    • Added mDNS client support in Unraid OS.  This means, for example, from an Unraid OS terminal session to ping another Unraid OS server on your network you can use (e.g., 'tower'):
      ping tower.local
      instead of
      ping tower
      Note the latter will still work if you have NetBIOS enabled.

     

    User Share File System (shfs) changes:

    • Integrated FUSE-3 - This should increase performance of User Share File System.
    • Fixed bug with hard link support.  Previously a 'stat' on two directory entries referring to same file would return different i-node numbers, thus making it look like two independent files.  This has been fixed however there is a config setting on Settings/Global Share Settings called "Tunable (support hard links)".  [-rc2 ] Fixed the default value Yes, but with certain very old media and DVD players which access shares via NFS, you may need to set this to No.
      [-rc5] Fixed not accounting for devices not mounted yet.
    • Note: if you have custom config/extra.cfg file, get rid of it.


    Other improvements/bug fixes:

    • Format - during Format any running parity sync/check is automatically Paused and then resumed upon Format completion.
    • Encryption - an entered passphrase is not saved to any file.
    • Fixed bug where multi-device btrfs pool was leaving metadata set to dup instead of raid1.
    • Several other small bug fixes and improvements.
    • [-rc5] Fixed bug where quotes were not handled properly in passwords.
    • Numerous base package updates [-rc2] including updating PHP to version 7.3.x, Samba to version 4.11.x.

     

    Known Issues and Other Errata

    • Some users have reported slower parity sync/check rates for very wide arrays (20+ devices) vs. 6.7 and earlier releases - we are still studying this problem.
    • [-rc6] this is fixed: If you are using Unassigned Devices plugin with encrypted volumes, you must use the file method of specifying the encryption passphrase.  Note that a file containing your passphrase must consist of a single null-terminated string with no other line ending characters such as LF or CR/LF.
    • In another step toward better security, the USB flash boot device is configured so that programs and scripts residing there cannot be directly executed (this is because the 'x' bit is set now only for directories).  Commands placed in the 'go' file still execute because during startup, that file is copied to /tmp first and then executed from there.  If you have created custom scripts you may need to take a similar approach.
    • AFP is now deprecated and we plan to remove support in Unraid 6.9 release.
    • The /mnt/user0 mount point is now deprecated and we plan to remove in Unraid 6.9 release.

     

    A note on password strings

    Password strings can contain any character however white space (space and tab characters) is handled specially:

    • all leading and trailing white space is discarded
    • multiple embedded white space is collapsed to a single space character.

    By contrast, encryption passphrase is used exactly as-is.

     

    Version 6.8.0-rc7 2019-11-22

    Base distro:

    • aaa_elflibs: version 15.0
    • dhcpcd: version 8.1.2
    • glib2: version 2.62.3
    • intel-microcode: version 20191115
    • kernel-firmware: version 20191118_e8a0f4c
    • libidn2: version 2.3.0
    • libvirt: version 5.8.0 [reversion from 5.9.0]
    • nghttp2: version 1.40.0
    • php: version 7.3.12
    • xfsprogs: version 5.3.0
    • xterm: version 351

    Linux kernel:

    • version 5.3.12
    • md/unraid: version 2.9.13 (fix crash bringing cleared device online)

    Management:

    • webgui: Do not display error if docker log files manually deleted
    • webgui: Warning alert for Format operations
    • webgui: Docker and VM settings: validate path and name input
    • webgui: Add shares: slashes are not allowed in share name
    • Like 3
    • Thanks 5



    User Feedback

    Recommended Comments



    8 hours ago, limetech said:

    Interesting those turkeys didn't test against 5.4 kernel which has been out a while now and is the next Long Term Supported kernel.

    I assume because 5.4 JUST finalized and intel is huge and probably has to run some sort of verifications?

     

    Gives you something to test out when you start building 5.4 unraid kernels ;)

    Link to comment
    14 hours ago, Johan1111 said:

    how can I swap the Interface Rules from the command line?

    Not sure you can, you can delete flash/config/network-rules.cfg to reset them to default or boot Unraid using the GUI mode and then use the local browser to configure it.

    Link to comment

    how do i enable hughpage?

    i think my VM have performance issue due to the hughpage not enabled.

    i have 256GB of total memory.

    Link to comment
    1 hour ago, James_J said:

    how do i enable hughpage?

    i think my VM have performance issue due to the hughpage not enabled.

    i have 256GB of total memory.

    This is the command I ran to allocate the hugepages on my system. I’m using 16gb of ram In numa node 1 so you may need to adjust it for yours. 
     

    Each page is 2mb by default so I had to allocate 8192 pages to get 16gb of huge pages.

    echo 8192 > /sys/devices/system/node/node1/hugepages/hugepages-2048kB/nr_hugepages

     

    You have to do this every time you reboot your server. 
     

    then just enable hugepages in your xml file for your vm

    Edited by darthcircuit
    Link to comment

    Anyone else having issues with getting the server to reboot? Looks like shutdown of the os completes but the server never gets to reboot and post . Hard reboot solves it but I can’t reboot now without physical access

    Link to comment
    20 minutes ago, Jhp612 said:

    Anyone else having issues with getting the server to reboot? Looks like shutdown of the os completes but the server never gets to reboot and post . Hard reboot solves it but I can’t reboot now without physical access

    Post diagnostics.

     

    Try booting in safe mode and see if your server will reboot.  Safe mode doesn't load plugins, so this will tell you if there is a problem with a plugin.

    Link to comment
    On 11/26/2019 at 11:17 AM, jbartlett said:

    I've concurrently remoted in using RDP (from Windows) to seven Win10 VM's on RC8 with no lagging at all on any of them. Same with using NoVNC. The difference in my case is that the VMs are running on two off-array SSD's.

     

    Is it sluggish using NoVNC? Any crossed pinned CPU's (don't even know if it allows it)? Try creating a new VM template with the same settings & drives using the GUI to rule out some kind of XML issue.

     

    it does seem very lagging over the unRAID VNC client as well so ill try a new template and see how that works, thank you for the suggestion

    Link to comment
    On 11/29/2019 at 12:55 PM, Kaveh said:

    I tried changing the scheduler in the disk settings page to `bfq`, but even after a reboot, when SSHing in to confirm the scheduler has not changed, I get:

     

     

    Any thoughts on this?

    Link to comment
    25 minutes ago, Kaveh said:

    Any thoughts on this?

    Works for me.

     

    Note: only applies to parity array disks, not cache devices or unassigned devices.

    Link to comment
    37 minutes ago, limetech said:

    Works for me.

     

    Note: only applies to parity array disks, not cache devices or unassigned devices.


     

    Do I have to go set this for each disk?  I set it to bfq in the disk settings, but it didn’t seem to work.  I’m specifically looking at my array disks and trying to make it so that read throughout doesn’t tank when the array is being written to (by the mover).

    Link to comment
    31 minutes ago, Kaveh said:

    Do I have to go set this for each disk?

    No.  I suggest you open a separate bug report for this and include diagnostics.zip.

    Link to comment
    On 12/1/2019 at 6:05 PM, Jhp612 said:

    Anyone else having issues with getting the server to reboot? Looks like shutdown of the os completes but the server never gets to reboot and post . Hard reboot solves it but I can’t reboot now without physical access

    I actually have this exact same problem.  Started on 6.7(Thats the first version I used) and still happens on RC7.  I got around it by installed smart plugs I can access from the web.  I just turn them off and the server self reboots.  

     

    What hardware are you running?

    Link to comment

    I had a similar issue with my Asus Zenith Extreme Alpha threadripper MB except that I couldn't power it down and have it stay off - it would immediately power itself back on. Resetting the BIOS to defaults and then applying the needed changes for VMs fixed.

    Link to comment
    On 11/28/2019 at 3:35 PM, dalben said:

    I've noticed my disks no longer spin down with this RC.  Is anyone else experiencing this?  If so I'll start a separate thread, but if no one else has seen it then it's got to be my local problem.

    Interesting mine have just started doing this - or I've just noticed it.

    Link to comment



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  • Status Definitions

     

    Open = Under consideration.

     

    Solved = The issue has been resolved.

     

    Solved version = The issue has been resolved in the indicated release version.

     

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    Priority Definitions

     

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