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Geoff Bland
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I have just added a new 10GB network card to my Unraid server (previously it had 2 1GB NICs) and have seen Unraid pick it up straight away and add it into the bond. Seems to be working fine. However, I am questioning if I have this set up in the most optimal way. I currently have no other servers with a 10GB NIC but will have this soon and will then be able to test so this post is just to gather some thoughts and information from people that have experience with this just to check my own understanding. I also plan to remove the 2nd 1GB NIC now I have the 10GB NIC working. I have set binding mode set as “active-backup (1)” and all 3 NIC are seen in the bond; eth0, eth1 and eth3 (being 1GB, 1GB and 10GB NICs respectively. With “active-backup” mode I would have expected one NIC to be used exclusively and a second NIC only to be used if the first failed. But what I’m seeing is the first old 1GB NIC being used most and the new 10GB NIC being used a little, so that is unexpected. The second 1GB NIC (eth1) is on a "private" test LAN so there's no traffic on that. Is this because everything connecting to the Unraid server is currently doing so only at 1GB? Ideally, I assume I would like the 10GB interface to be used for most things and the 1GB interface only to be used as a backup? Is my assumption correct and how do I set this in Unraid.
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I've been using this simple yet very useful app for many years now. I'm just reinstalling it on a new UNRAID server but when I click "Install" from the UNRAID Apps the UNRAID web page stalls, the UNRAID "busy" animation is shown and the "Add Container" settings page is never shown. I can see anything in the log files showing any error. I have tried restarting docker and the UNRAID server this did not help. Other docker apps are not affected and bring up their "Add Container" settings pages with no problem. Edit: I was able to install the S3Backup container manually by using the Add Container option on the Docker page.
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6.12 - Why only 2 collums on Dashboard on 1080p Screen?!
Geoff Bland replied to Marcel40625's topic in Feature Requests
I just tried this on a 4K screen. It only seems to split into 3 columns when the browser width is 2000px, this seems a bit excessive as there's plenty of space for 3 columns at narrower browser widths. Compared with Unraid 6.11.5 the browser display has to be quite a bit wider before it displays 3 columns. Font size set to normal in Display Settings in both cases. Setting Font size Small in Display Settings makes no difference. -
On the Shares page it is difficult to see at a glance what the initial and preferred/moved storage options are. That is it is difficult to see the difference between "Cache ---> Array" and "Cache <--- Array". Whilst maybe this current ordering is trying to show the primary and secondary storage, we know the Cache must always be the primary storage so this ordering does not help. It would be more obvious if instead the column showed either "Cache ---> Array" or "Array ---> Cache". This way also matches the mover selection when a Share is created/edited.
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I have started getting delays with Unraid file shares when doing any operation (viewing files in directoires, file copies etc) with Windows, this did work fine but has started happening over the last several weeks. I am also seeing associated errors in the UNRAID logs. For example, from my windows PC if I open a new directory in Windows File Explorer, then File Explorer freezes for several minutes, then I see a warning in the UNRAID logs and then immediately Windows File Explorer comes back to life and shows the directory contents. The log errors are all of the form (when viewing a share) : May 6 12:53:55 UNRAID smbd[31869]: [2023/05/06 12:53:55.447545, 0] ../../source3/smbd/files.c:1199(synthetic_pathref) May 6 12:53:55 UNRAID smbd[31869]: synthetic_pathref: opening [Share/[email protected]/Share/Data/C/Users/Username/AppData/Local/Google/Chrome/User Data/Default/Cache/Cache_Data/f_05a0b8 (2023_05_06 04_52_58 UTC)] failed or (when copying up an iso) May 6 12:47:28 UNRAID smbd[31869]: [2023/05/06 12:47:28.820231, 0] ../../source3/smbd/files.c:1199(synthetic_pathref) May 6 12:47:28 UNRAID smbd[31869]: synthetic_pathref: opening [Operating Systems/Ubuntu/ubuntu-23.04-desktop-amd64 (1).iso] failed If I reboot the UNRAID server then it starts working fine for a few hours and then the freezes and log errors start up again. Restarting samba with /etc/rc.d/rc.samba restart shows the following error in the logs May 6 12:57:37 UNRAID02 smbd[31869]: [2023/05/06 12:57:37.828986, 0] ../../lib/util/fault.c:184(smb_panic_log) May 6 12:57:37 UNRAID02 smbd[31869]: PANIC (pid 31869): assert failed: (fh->fd == -1) || (fh->fd == AT_FDCWD) in 4.17.3 May 6 12:57:37 UNRAID02 smbd[31869]: [2023/05/06 12:57:37.829787, 0] ../../lib/util/fault.c:292(log_stack_trace) May 6 12:57:37 UNRAID02 smbd[31869]: BACKTRACE: 39 stack frames: May 6 12:57:37 UNRAID02 smbd[31869]: #0 /usr/lib64/libgenrand-samba4.so(log_stack_trace+0x2e) [0x149415d7664e] May 6 12:57:37 UNRAID02 smbd[31869]: #1 /usr/lib64/libgenrand-samba4.so(smb_panic+0x9) [0x149415d768a9] May 6 12:57:37 UNRAID02 smbd[31869]: #2 /usr/lib64/libsmbd-base-samba4.so(+0x4d10b) [0x14941615710b] May 6 12:57:37 UNRAID02 smbd[31869]: #3 /usr/lib64/libtalloc.so.2(+0x44df) [0x149415d264df] May 6 12:57:37 UNRAID02 smbd[31869]: #4 /usr/lib64/libsmbd-base-samba4.so(file_free+0xd6) [0x1494161642e6] May 6 12:57:37 UNRAID02 smbd[31869]: #5 /usr/lib64/libsmbd-base-samba4.so(close_file_free+0x29) [0x149416194d49] May 6 12:57:37 UNRAID02 smbd[31869]: #6 /usr/lib64/libsmbd-base-samba4.so(+0x5d046) [0x149416167046] May 6 12:57:37 UNRAID02 smbd[31869]: #7 /usr/lib64/libsmbd-base-samba4.so(+0x5d1ce) [0x1494161671ce] May 6 12:57:37 UNRAID02 smbd[31869]: #8 /usr/lib64/libsmbd-base-samba4.so(files_forall+0x19) [0x149416163119] May 6 12:57:37 UNRAID02 smbd[31869]: #9 /usr/lib64/libsmbd-base-samba4.so(file_close_user+0x3d) [0x14941616325d] May 6 12:57:37 UNRAID02 smbd[31869]: #10 /usr/lib64/libsmbd-base-samba4.so(smbXsrv_session_logoff+0x4d) [0x1494161e000d] May 6 12:57:37 UNRAID02 smbd[31869]: #11 /usr/lib64/libsmbd-base-samba4.so(+0xd6445) [0x1494161e0445] May 6 12:57:37 UNRAID02 smbd[31869]: #12 /usr/lib64/libdbwrap-samba4.so(+0x5d18) [0x149415a59d18] May 6 12:57:37 UNRAID02 smbd[31869]: #13 /usr/lib64/libdbwrap-samba4.so(+0x5f3a) [0x149415a59f3a] May 6 12:57:37 UNRAID02 smbd[31869]: #14 /usr/lib64/libdbwrap-samba4.so(dbwrap_traverse+0x7) [0x149415a57f67] May 6 12:57:37 UNRAID02 smbd[31869]: #15 /usr/lib64/libsmbd-base-samba4.so(smbXsrv_session_logoff_all+0x5b) [0x1494161e07fb] May 6 12:57:37 UNRAID02 smbd[31869]: #16 /usr/lib64/libsmbd-base-samba4.so(+0xdca0b) [0x1494161e6a0b] May 6 12:57:37 UNRAID02 smbd[31869]: #17 /usr/lib64/libsmbd-base-samba4.so(smbd_reinit_after_fork+0) [0x1494161e6ff0] May 6 12:57:37 UNRAID02 smbd[31869]: #18 /usr/lib64/libsmbd-shim-samba4.so(exit_server_cleanly+0x14) [0x149415d7b284] May 6 12:57:37 UNRAID02 smbd[31869]: #19 /usr/lib64/libsmbd-base-samba4.so(+0xa08e2) [0x1494161aa8e2] May 6 12:57:37 UNRAID02 smbd[31869]: #20 /usr/lib64/libtevent.so.0(tevent_common_invoke_signal_handler+0xa6) [0x149415d3d936] May 6 12:57:37 UNRAID02 smbd[31869]: #21 /usr/lib64/libtevent.so.0(tevent_common_check_signal+0xc3) [0x149415d3da93] May 6 12:57:37 UNRAID02 smbd[31869]: #22 /usr/lib64/libtevent.so.0(+0xea59) [0x149415d3fa59] May 6 12:57:37 UNRAID02 smbd[31869]: #23 /usr/lib64/libtevent.so.0(+0xcd77) [0x149415d3dd77] May 6 12:57:37 UNRAID02 smbd[31869]: #24 /usr/lib64/libtevent.so.0(_tevent_loop_once+0x91) [0x149415d38b61] May 6 12:57:37 UNRAID02 smbd[31869]: #25 /usr/lib64/libtevent.so.0(tevent_common_loop_wait+0x1b) [0x149415d38e3b] May 6 12:57:37 UNRAID02 smbd[31869]: #26 /usr/lib64/libtevent.so.0(+0xcd17) [0x149415d3dd17] May 6 12:57:37 UNRAID02 smbd[31869]: #27 /usr/lib64/libsmbd-base-samba4.so(smbd_process+0x817) [0x1494161adce7] May 6 12:57:37 UNRAID02 smbd[31869]: #28 /usr/sbin/smbd(+0xb090) [0x5604970ba090] May 6 12:57:37 UNRAID02 smbd[31869]: #29 /usr/lib64/libtevent.so.0(tevent_common_invoke_fd_handler+0x91) [0x149415d39791] May 6 12:57:37 UNRAID02 smbd[31869]: #30 /usr/lib64/libtevent.so.0(+0xec87) [0x149415d3fc87] May 6 12:57:37 UNRAID02 smbd[31869]: #31 /usr/lib64/libtevent.so.0(+0xcd77) [0x149415d3dd77] May 6 12:57:37 UNRAID02 smbd[31869]: #32 /usr/lib64/libtevent.so.0(_tevent_loop_once+0x91) [0x149415d38b61] May 6 12:57:37 UNRAID02 smbd[31869]: #33 /usr/lib64/libtevent.so.0(tevent_common_loop_wait+0x1b) [0x149415d38e3b] May 6 12:57:37 UNRAID02 smbd[31869]: #34 /usr/lib64/libtevent.so.0(+0xcd17) [0x149415d3dd17] May 6 12:57:37 UNRAID02 smbd[31869]: #35 /usr/sbin/smbd(main+0x1489) [0x5604970b7259] May 6 12:57:37 UNRAID02 smbd[31869]: #36 /lib64/libc.so.6(+0x23177) [0x149415b44177] May 6 12:57:37 UNRAID02 smbd[31869]: #37 /lib64/libc.so.6(__libc_start_main+0x85) [0x149415b44235] May 6 12:57:37 UNRAID02 smbd[31869]: #38 /usr/sbin/smbd(_start+0x21) [0x5604970b7b31] May 6 12:57:37 UNRAID02 smbd[31869]: [2023/05/06 12:57:37.830194, 0] ../../source3/lib/dumpcore.c:315(dump_core) May 6 12:57:37 UNRAID02 smbd[31869]: dumping core in /var/log/samba/cores/smbd This is UNRAID version 6.11.5. I have the following SMB settings [global] idmap config * : backend = tdb idmap config * : range = 1000-7999 idmap config DOMAIN : backend = rid idmap config DOMAIN : range = 10000-4000000000 unraid02-diagnostics-20230506-1307.zip
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Fix Common Problems Reporting Out Of Memory server errors
Geoff Bland replied to Geoff Bland's topic in General Support
Yes, done. Thanks. -
Suggestion for an improvement: Please see this support issue I raised: Fix Common Problems Reporting Server Out Of Memory Errors Basically if a container that has restricted RAM runs out of that RAM UNRAID will "sacrifice the child" and kill the container process, this gets reported to the syslog. Fix Common Problems reports this as if the server has run out of memory. It would be nicer to report that "container X has run out of memory...".
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Fix Common Problems Reporting Out Of Memory server errors
Geoff Bland replied to Geoff Bland's topic in General Support
OK I've done some further research. This may be a false alarm from the Fix Common Problems plugin. The actual error is "Memory cgroup out of memory", this is not the server running out of memory - rather a single container, which was constrained to 2GB total, has run out of memory. The OS has restarted just that container and flagged this warning. So the warning from Fix Common Problems about "Your server has run out of memory..." is a bit misleading (and overly worrying). Perhaps Fix Common Problems can detect this as a different kind of error and report "Your container X has run out of memory..." -
Fix Common Problems Reporting Out Of Memory server errors
Geoff Bland replied to Geoff Bland's topic in General Support
Thanks for the quick response. >If it's a one time thing you can ignore, It's ocurred twice now. Both in the last 3 weeks. If it occurs again I'll post back here. >if it keeps happening try limiting more the RAM for VMs and/or docker containers, the problem is usually not just about not enough RAM but more about fragmented RAM, Can you explain some more on this point please? As I have less than 25% utilization of RAM on this server (over 100GB RAM free) it would be strange for fragmentation to occur, this normally only occurs when RAM usage is getting over 50%. A quick look at top shows over 104GB is used by cache and this gets reallocated as application RAM as needed. >alternatively a small swap file on disk might help, you can use the swapfile plugin: Can you also explain a bit more about this, as I understood it virtual memort won't use swap unless the server gets very low on physical RAM (regardless of any fragmentation)? -
Fix Common Problems Reporting Out Of Memory server errors
Geoff Bland replied to Geoff Bland's topic in General Support
Checking the syslog I think I see that there's an error caused by a docker container: Mar 20 04:27:41 UNRAID02 kernel: oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=75989cd4cdfb95d6d4cc0def9b3ed1360cd6f88458130216d3fb6f75b56036b6,mems_allowed=0-1,oom_memcg=/docker/75989cd4cdfb95d6d4cc0def9b3ed1360cd6f88458130216d3fb6f75b56036b6,task_memcg=/docker/75989cd4cdfb95d6d4cc0def9b3ed1360cd6f88458130216d3fb6f75b56036b6,task=s3cmd,pid=17525,uid=0 Mar 20 04:27:41 UNRAID02 kernel: Memory cgroup out of memory: Killed process 17525 (s3cmd) total-vm:567788kB, anon-rss:516056kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:1152kB oom_score_adj:0 ... Mar 20 04:28:34 UNRAID02 kernel: oom-kill:constraint=CONSTRAINT_MEMCG,nodemask=(null),cpuset=75989cd4cdfb95d6d4cc0def9b3ed1360cd6f88458130216d3fb6f75b56036b6,mems_allowed=0-1,oom_memcg=/docker/75989cd4cdfb95d6d4cc0def9b3ed1360cd6f88458130216d3fb6f75b56036b6,task_memcg=/docker/75989cd4cdfb95d6d4cc0def9b3ed1360cd6f88458130216d3fb6f75b56036b6,task=s3cmd,pid=17526,uid=0 But this container is set up so it can only use 2GB of ram (using extra parameter --memory=2G) and usually only uses a fraction of that. So how can this be causing Out of Memory errors on the server itself? -
Geoff Bland started following Fix Common Problems Reporting Out Of Memory server errors
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The Fix Common Problems plugin is reporting that Out Of Memory errors are detected on my UNRAID server. This server has 144GB of RAM and as it is mostly used for storage only 25% of the RAM is actually used. This server has been working fine for several years. I have only had this issue occur twice now in the last 3 weeks, I have restarted my server between these reported errors. Other than this being reported by Fix Common Problems the server has been stable. In the logs I just notice constant SMB warnings (100s every minute) but these can be ignored according to another post of the forums. Mar 20 15:39:50 UNRAID02 smbd[10630]: synthetic_pathref: opening [<user>@<path> (2023_03_20 15_04_28 UTC)] failed What do I need to investigate to determine what is causing this? This is UNRAID 6.11.5 I attach diagnostics. unraid02-diagnostics-20230320-1539.zip
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INTERMITTENT SMB ISSUES AFTER 6.10.2 UPGRADE
Geoff Bland replied to Geoff Bland's topic in Active Directory
Weird. My /mnt directory has the expected 755 permissions and works fine with this. root@UNRAID:/# ls -la / | grep mnt drwxr-xr-x 16 root root 320 Nov 15 16:27 mnt/ -
INTERMITTENT SMB ISSUES AFTER 6.10.2 UPGRADE
Geoff Bland replied to Geoff Bland's topic in Active Directory
This is a workaround for the issue that has been found and has worked for a number of users. Use this fix at your own risk. The problem appears to be that Unraid is using a later version of the Samba Service but with an ID mapper (idmap_hash) that was end of life over 5 years ago and is known to cause issues. The fix is to "correct" Unraid's standard server configuration for Samba to use the correct ID mappers. These sites were of particular use: https://support.microfocus.com/kb/doc.php?id=7007006 https://lists.samba.org/mailman/listinfo/samba https://www.samba.org/samba/docs/current/man-html/ https://www.samba.org/samba/docs/current/man-html/idmap_hash.8.html https://www.samba.org/samba/docs/current/man-html/idmap_tdb.8.html https://www.samba.org/samba/docs/current/man-html/idmap_rid.8.html NOTE after this fix, as user IDs get changed, permissions need to be re-applied (although see also GrantE's post that details you can do some calculation to determine the new ID range for users and preserve any correct working permissions). Workaround UNRAID Samba Access Issues. Open the Unraid terminal, ">_" button on top of each Unraid page. First back up smb-extra.conf file as follows: cp /boot/config/smb-extra.conf /boot/config/smb-extra.conf.bkp Edit the contents of /boot/config/smb-extra.conf and add these lines, replacing <SHORT_DOMAIN_NAME> with the name of your domain (the same as appears in the "AD short domain name" field of your Unraid SMB settings): [global] idmap config * : backend = tdb idmap config * : range = 1000-7999 idmap config <SHORT_DOMAIN_NAME> : backend = rid idmap config <SHORT_DOMAIN_NAME> : range = 10000-4000000000 The idea is that RID ID mappings are consistent and a given domain account will always map to the same local ID on Unraid, so if for some reason the IDs get reset the same domain accounts will remap to the same local IDs and retain access rights. Also a range of tdb IDs is assigned in case any SMB accounts are used without a domain. This will be shown as "extra configuration" on the Unraid SMB Settings page. Other Unraid plugins (such as unassigned devices) may also add configuration to this same smb-extra.conf - leave these as is and just add these extra lines to the top. Then reboot Unraid (just restarting the SMB service does not work fully). Finally check and fix all your permissions, as detailed below. Reset/Re-apply UNRAID Permissions. Open the Unraid terminal, ">_" button on top of each Unraid page. Run the following commands where <share> is the name of the share (each can take a long time if you have many files). chown -R root /mnt/user/<Share> chgrp -R domain\ users /mnt/user/<Share> setfacl -R -b /mnt/user/<Share> chmod -R g+rwx /mnt/user/<Share> If you need Windows permissions on the folder then apply permissions via Windows (NOT via Unraid Share SMB User Access settings). Open UNRAID Shares in File Explorer. Right click on the Share, select Properties. Select Security tab. Click "Advanced". Add, remove and alter permissions as required - note you may need to check the "Replace child object permissions" options to get this to work properly. Hit apply If using NFS from this share just refresh it (add/delete a space on the NFS rule and hit Apply) on UNRAID for some reason these seem to lose access rights when Windows changes the permission even when they should not. Some commands to diagnose issues: root@UNRAID01:~# net ads info Checks UNRAID is correctly joined to your AD domain. net ads user --user=DomainName/username --password=********* Checks UNRAID can correctly connect to Windows AD users and get user access information. wbinfo -i username Checks UNRAID can authenticate this user with Windows AD users and get this user's access information. -
Myself and many other users are experiencing many issues with SMB shares using Windows Active Directory since upgrading to 6.10.2. Upgrading to later versions has not fixed this, tested on 6.10.3 and 6.11.1 These issues are reported in this forum thread: Reported symptoms are: Intermittent access issues from Windows PCs to the Unraid shares. Occasionally only some user accounts are affected and some accounts are fine and have no problems. UNRAID log drive filling up due to very large syslog files. The syslog shows continual refused mount requests for my account and this seems to be as it cannot convert my SID to a UID. Jul 15 21:58:49 UNRAID01 smbd[****]: check_account: Failed to convert SID S-1-5-21-XXXXXXXX-XXXXXXXX-XXXXXXXX-1105 to a UID (dom_user[DOMAIN\username) The /var/log/samba/log.smbd log file is also full of the same error message. Also calling wbinfo fails for some user's Windows accounts: root@UNRAID01:~# wbinfo -i myuser failed to call wbcGetpwnam: WBC_ERR_DOMAIN_NOT_FOUND Could not get info for user myuser root@UNRAID01:~# wbinfo -i okuser okuser:*:NNNNNNNN:NNNNNNNNNN:okuser:/home/DOMAIN/okuser:/bin/false Potential workarounds for this issue are reported in this thread: