Unable to copy ownership from parent

I’m having some difficulty utilizing the copyownershipfromparent setting across two nodes.

Running the nodes as docker containers with root UID/GID to ensure they have chown/chmod permissions.

The docker-compose.yaml on the first node is:

version: "3.4"
services:
  syncthing:
    container_name: syncthing
    hostname: syncthing
    image: syncthing/syncthing:latest
    ports:
      - "8384:8384"
      - "21025:21025"
      - "21025:21025/udp"
      - "21027:21027"
      - "21027:21027/udp"
      - "22000:22000"
      - "22000:22000/udp"
    environment:
      - "TZ=America/New_York"
      - "GUID=0"
      - "PUID=0"
    volumes:
      - "/docker/config/syncthing:/var/syncthing"
      - "/docker/config/syncDir:/Sync/syncDir"
      - "/etc/localtime:/etc/localtime:ro"
    restart: unless-stopped
    labels:
      - "com.ouroboros.enable=true"
    logging:
      driver: json-file
      options:
        max-file: "3"
        max-size: "10M"

And the config.xml for the first node is:

<configuration version="36">
    <folder id="mdvpi-nqscc" label="syncDir (data)" path="/Sync/syncDir/" type="sendonly" rescanIntervalS="3600" fsWatcherEnabled="true" fsWatcherDelayS="10" ignorePerms="false" autoNormalize="true">
        <filesystemType>basic</filesystemType>
        <device id="[redacted]" introducedBy="">
            <encryptionPassword></encryptionPassword>
        </device>
        <device id="[redacted]" introducedBy="">
            <encryptionPassword></encryptionPassword>
        </device>
        <minDiskFree unit="%">1</minDiskFree>
        <versioning>
            <cleanupIntervalS>3600</cleanupIntervalS>
            <fsPath></fsPath>
            <fsType>basic</fsType>
        </versioning>
        <copiers>0</copiers>
        <pullerMaxPendingKiB>0</pullerMaxPendingKiB>
        <hashers>0</hashers>
        <order>random</order>
        <ignoreDelete>false</ignoreDelete>
        <scanProgressIntervalS>0</scanProgressIntervalS>
        <pullerPauseS>0</pullerPauseS>
        <maxConflicts>10</maxConflicts>
        <disableSparseFiles>false</disableSparseFiles>
        <disableTempIndexes>false</disableTempIndexes>
        <paused>false</paused>
        <weakHashThresholdPct>25</weakHashThresholdPct>
        <markerName>.stfolder</markerName>
        <copyOwnershipFromParent>true</copyOwnershipFromParent>
        <modTimeWindowS>0</modTimeWindowS>
        <maxConcurrentWrites>2</maxConcurrentWrites>
        <disableFsync>false</disableFsync>
        <blockPullOrder>standard</blockPullOrder>
        <copyRangeMethod>standard</copyRangeMethod>
        <caseSensitiveFS>false</caseSensitiveFS>
        <junctionsAsDirs>false</junctionsAsDirs>
    </folder>
    <device id="[redacted]" name="Wheatley" compression="never" introducer="false" skipIntroductionRemovals="false" introducedBy="">
        <address>quic://10.10.10.11:22000</address>
        <address>tcp://10.10.10.11:22000</address>
        <paused>false</paused>
        <autoAcceptFolders>false</autoAcceptFolders>
        <maxSendKbps>0</maxSendKbps>
        <maxRecvKbps>0</maxRecvKbps>
        <maxRequestKiB>0</maxRequestKiB>
        <untrusted>false</untrusted>
        <remoteGUIPort>0</remoteGUIPort>
    </device>
    <device id="[redacted]" name="GLaDOS" compression="metadata" introducer="false" skipIntroductionRemovals="false" introducedBy="">
        <address>dynamic</address>
        <paused>false</paused>
        <autoAcceptFolders>false</autoAcceptFolders>
        <maxSendKbps>0</maxSendKbps>
        <maxRecvKbps>0</maxRecvKbps>
        <maxRequestKiB>0</maxRequestKiB>
        <untrusted>false</untrusted>
        <remoteGUIPort>0</remoteGUIPort>
    </device>
    <gui enabled="true" tls="false" debugging="false">
        <address>10.10.10.10:8384</address>
        <apikey>[redacted]</apikey>
        <insecureAdminAccess>true</insecureAdminAccess>
        <theme>default</theme>
    </gui>
    <ldap></ldap>
    <options>
        <listenAddress>default</listenAddress>
        <globalAnnounceServer>default</globalAnnounceServer>
        <globalAnnounceEnabled>true</globalAnnounceEnabled>
        <localAnnounceEnabled>true</localAnnounceEnabled>
        <localAnnouncePort>21027</localAnnouncePort>
        <localAnnounceMCAddr>[ff12::8384]:21027</localAnnounceMCAddr>
        <maxSendKbps>0</maxSendKbps>
        <maxRecvKbps>0</maxRecvKbps>
        <reconnectionIntervalS>60</reconnectionIntervalS>
        <relaysEnabled>true</relaysEnabled>
        <relayReconnectIntervalM>10</relayReconnectIntervalM>
        <startBrowser>true</startBrowser>
        <natEnabled>true</natEnabled>
        <natLeaseMinutes>60</natLeaseMinutes>
        <natRenewalMinutes>30</natRenewalMinutes>
        <natTimeoutSeconds>10</natTimeoutSeconds>
        <urAccepted>-1</urAccepted>
        <urSeen>3</urSeen>
        <urUniqueID></urUniqueID>
        <urURL>https://data.syncthing.net/newdata</urURL>
        <urPostInsecurely>false</urPostInsecurely>
        <urInitialDelayS>1800</urInitialDelayS>
        <restartOnWakeup>true</restartOnWakeup>
        <autoUpgradeIntervalH>12</autoUpgradeIntervalH>
        <upgradeToPreReleases>false</upgradeToPreReleases>
        <keepTemporariesH>24</keepTemporariesH>
        <cacheIgnoredFiles>false</cacheIgnoredFiles>
        <progressUpdateIntervalS>5</progressUpdateIntervalS>
        <limitBandwidthInLan>false</limitBandwidthInLan>
        <minHomeDiskFree unit="%">1</minHomeDiskFree>
        <releasesURL>https://upgrades.syncthing.net/meta.json</releasesURL>
        <overwriteRemoteDeviceNamesOnConnect>false</overwriteRemoteDeviceNamesOnConnect>
        <tempIndexMinBlocks>10</tempIndexMinBlocks>
        <trafficClass>0</trafficClass>
        <setLowPriority>true</setLowPriority>
        <maxFolderConcurrency>0</maxFolderConcurrency>
        <crashReportingURL>https://crash.syncthing.net/newcrash</crashReportingURL>
        <crashReportingEnabled>true</crashReportingEnabled>
        <stunKeepaliveStartS>180</stunKeepaliveStartS>
        <stunKeepaliveMinS>20</stunKeepaliveMinS>
        <stunServer>default</stunServer>
        <databaseTuning>auto</databaseTuning>
        <maxConcurrentIncomingRequestKiB>0</maxConcurrentIncomingRequestKiB>
        <announceLANAddresses>true</announceLANAddresses>
        <sendFullIndexOnUpgrade>false</sendFullIndexOnUpgrade>
        <connectionLimitEnough>0</connectionLimitEnough>
        <connectionLimitMax>0</connectionLimitMax>
        <insecureAllowOldTLSVersions>false</insecureAllowOldTLSVersions>
    </options>
    <defaults>
        <folder id="" label="" path="~" type="sendreceive" rescanIntervalS="3600" fsWatcherEnabled="true" fsWatcherDelayS="10" ignorePerms="false" autoNormalize="true">
            <filesystemType>basic</filesystemType>
            <device id="[redacted]" introducedBy="">
                <encryptionPassword></encryptionPassword>
            </device>
            <minDiskFree unit="%">1</minDiskFree>
            <versioning>
                <cleanupIntervalS>3600</cleanupIntervalS>
                <fsPath></fsPath>
                <fsType>basic</fsType>
            </versioning>
            <copiers>0</copiers>
            <pullerMaxPendingKiB>0</pullerMaxPendingKiB>
            <hashers>0</hashers>
            <order>random</order>
            <ignoreDelete>false</ignoreDelete>
            <scanProgressIntervalS>0</scanProgressIntervalS>
            <pullerPauseS>0</pullerPauseS>
            <maxConflicts>10</maxConflicts>
            <disableSparseFiles>false</disableSparseFiles>
            <disableTempIndexes>false</disableTempIndexes>
            <paused>false</paused>
            <weakHashThresholdPct>25</weakHashThresholdPct>
            <markerName>.stfolder</markerName>
            <copyOwnershipFromParent>true</copyOwnershipFromParent>
            <modTimeWindowS>0</modTimeWindowS>
            <maxConcurrentWrites>2</maxConcurrentWrites>
            <disableFsync>false</disableFsync>
            <blockPullOrder>standard</blockPullOrder>
            <copyRangeMethod>standard</copyRangeMethod>
            <caseSensitiveFS>false</caseSensitiveFS>
            <junctionsAsDirs>false</junctionsAsDirs>
        </folder>
        <device id="" compression="metadata" introducer="false" skipIntroductionRemovals="false" introducedBy="">
            <address>dynamic</address>
            <paused>false</paused>
            <autoAcceptFolders>false</autoAcceptFolders>
            <maxSendKbps>0</maxSendKbps>
            <maxRecvKbps>0</maxRecvKbps>
            <maxRequestKiB>0</maxRequestKiB>
            <untrusted>false</untrusted>
            <remoteGUIPort>0</remoteGUIPort>
        </device>
        <ignores></ignores>
    </defaults>
</configuration>

On the second node, we have an identical docker-compose.yaml (not shown, to avoid an identical code block twice in the post), and a virtually identical config.xml:

<configuration version="36">
    <folder id="mdvpi-nqscc" label="syncDir (data)" path="/var/syncthing/syncDir/" type="receiveonly" rescanIntervalS="3600" fsWatcherEnabled="true" fsWatcherDelayS="10" ignorePerms="false" autoNormalize="true">
        <filesystemType>basic</filesystemType>
        <device id="[redacted]" introducedBy="">
            <encryptionPassword></encryptionPassword>
        </device>
        <device id="[redacted]" introducedBy="">
            <encryptionPassword></encryptionPassword>
        </device>
        <minDiskFree unit="%">1</minDiskFree>
        <versioning>
            <cleanupIntervalS>3600</cleanupIntervalS>
            <fsPath></fsPath>
            <fsType>basic</fsType>
        </versioning>
        <copiers>0</copiers>
        <pullerMaxPendingKiB>0</pullerMaxPendingKiB>
        <hashers>0</hashers>
        <order>random</order>
        <ignoreDelete>false</ignoreDelete>
        <scanProgressIntervalS>0</scanProgressIntervalS>
        <pullerPauseS>0</pullerPauseS>
        <maxConflicts>10</maxConflicts>
        <disableSparseFiles>false</disableSparseFiles>
        <disableTempIndexes>false</disableTempIndexes>
        <paused>false</paused>
        <weakHashThresholdPct>25</weakHashThresholdPct>
        <markerName>.stfolder</markerName>
        <copyOwnershipFromParent>true</copyOwnershipFromParent>
        <modTimeWindowS>0</modTimeWindowS>
        <maxConcurrentWrites>2</maxConcurrentWrites>
        <disableFsync>false</disableFsync>
        <blockPullOrder>standard</blockPullOrder>
        <copyRangeMethod>standard</copyRangeMethod>
        <caseSensitiveFS>false</caseSensitiveFS>
        <junctionsAsDirs>false</junctionsAsDirs>
    </folder>
    <device id="[redacted]" name="Wheatley" compression="metadata" introducer="false" skipIntroductionRemovals="false" introducedBy="">
        <address>dynamic</address>
        <paused>false</paused>
        <autoAcceptFolders>false</autoAcceptFolders>
        <maxSendKbps>0</maxSendKbps>
        <maxRecvKbps>0</maxRecvKbps>
        <maxRequestKiB>0</maxRequestKiB>
        <untrusted>false</untrusted>
        <remoteGUIPort>0</remoteGUIPort>
    </device>
    <device id="[redacted]" name="GLaDOS" compression="never" introducer="false" skipIntroductionRemovals="false" introducedBy="">
        <address>quic://10.10.10.10:22000 tcp://10.10.10.10:22000</address>
        <paused>false</paused>
        <autoAcceptFolders>false</autoAcceptFolders>
        <maxSendKbps>0</maxSendKbps>
        <maxRecvKbps>0</maxRecvKbps>
        <maxRequestKiB>0</maxRequestKiB>
        <untrusted>false</untrusted>
        <remoteGUIPort>0</remoteGUIPort>
    </device>
    <gui enabled="true" tls="false" debugging="false">
        <address>10.10.10.11:8384</address>
        <apikey>[redacted]</apikey>
        <insecureAdminAccess>true</insecureAdminAccess>
        <theme>default</theme>
    </gui>
    <ldap></ldap>
    <options>
        <listenAddress>default</listenAddress>
        <globalAnnounceServer>default</globalAnnounceServer>
        <globalAnnounceEnabled>true</globalAnnounceEnabled>
        <localAnnounceEnabled>true</localAnnounceEnabled>
        <localAnnouncePort>21027</localAnnouncePort>
        <localAnnounceMCAddr>[ff12::8384]:21027</localAnnounceMCAddr>
        <maxSendKbps>0</maxSendKbps>
        <maxRecvKbps>0</maxRecvKbps>
        <reconnectionIntervalS>60</reconnectionIntervalS>
        <relaysEnabled>true</relaysEnabled>
        <relayReconnectIntervalM>10</relayReconnectIntervalM>
        <startBrowser>true</startBrowser>
        <natEnabled>true</natEnabled>
        <natLeaseMinutes>60</natLeaseMinutes>
        <natRenewalMinutes>30</natRenewalMinutes>
        <natTimeoutSeconds>10</natTimeoutSeconds>
        <urAccepted>-1</urAccepted>
        <urSeen>3</urSeen>
        <urUniqueID></urUniqueID>
        <urURL>https://data.syncthing.net/newdata</urURL>
        <urPostInsecurely>false</urPostInsecurely>
        <urInitialDelayS>1800</urInitialDelayS>
        <restartOnWakeup>true</restartOnWakeup>
        <autoUpgradeIntervalH>12</autoUpgradeIntervalH>
        <upgradeToPreReleases>false</upgradeToPreReleases>
        <keepTemporariesH>24</keepTemporariesH>
        <cacheIgnoredFiles>false</cacheIgnoredFiles>
        <progressUpdateIntervalS>5</progressUpdateIntervalS>
        <limitBandwidthInLan>false</limitBandwidthInLan>
        <minHomeDiskFree unit="%">1</minHomeDiskFree>
        <releasesURL>https://upgrades.syncthing.net/meta.json</releasesURL>
        <overwriteRemoteDeviceNamesOnConnect>false</overwriteRemoteDeviceNamesOnConnect>
        <tempIndexMinBlocks>10</tempIndexMinBlocks>
        <trafficClass>0</trafficClass>
        <setLowPriority>true</setLowPriority>
        <maxFolderConcurrency>0</maxFolderConcurrency>
        <crashReportingURL>https://crash.syncthing.net/newcrash</crashReportingURL>
        <crashReportingEnabled>true</crashReportingEnabled>
        <stunKeepaliveStartS>180</stunKeepaliveStartS>
        <stunKeepaliveMinS>20</stunKeepaliveMinS>
        <stunServer>default</stunServer>
        <databaseTuning>auto</databaseTuning>
        <maxConcurrentIncomingRequestKiB>0</maxConcurrentIncomingRequestKiB>
        <announceLANAddresses>true</announceLANAddresses>
        <sendFullIndexOnUpgrade>false</sendFullIndexOnUpgrade>
        <connectionLimitEnough>0</connectionLimitEnough>
        <connectionLimitMax>0</connectionLimitMax>
        <insecureAllowOldTLSVersions>false</insecureAllowOldTLSVersions>
    </options>
    <defaults>
        <folder id="" label="" path="~" type="sendreceive" rescanIntervalS="3600" fsWatcherEnabled="true" fsWatcherDelayS="10" ignorePerms="false" autoNormalize="true">
            <filesystemType>basic</filesystemType>
            <device id="[redacted]" introducedBy="">
                <encryptionPassword></encryptionPassword>
            </device>
            <minDiskFree unit="%">1</minDiskFree>
            <versioning>
                <cleanupIntervalS>3600</cleanupIntervalS>
                <fsPath></fsPath>
                <fsType>basic</fsType>
            </versioning>
            <copiers>0</copiers>
            <pullerMaxPendingKiB>0</pullerMaxPendingKiB>
            <hashers>0</hashers>
            <order>random</order>
            <ignoreDelete>false</ignoreDelete>
            <scanProgressIntervalS>0</scanProgressIntervalS>
            <pullerPauseS>0</pullerPauseS>
            <maxConflicts>10</maxConflicts>
            <disableSparseFiles>false</disableSparseFiles>
            <disableTempIndexes>false</disableTempIndexes>
            <paused>false</paused>
            <weakHashThresholdPct>25</weakHashThresholdPct>
            <markerName>.stfolder</markerName>
            <copyOwnershipFromParent>true</copyOwnershipFromParent>
            <modTimeWindowS>0</modTimeWindowS>
            <maxConcurrentWrites>2</maxConcurrentWrites>
            <disableFsync>false</disableFsync>
            <blockPullOrder>standard</blockPullOrder>
            <copyRangeMethod>standard</copyRangeMethod>
            <caseSensitiveFS>false</caseSensitiveFS>
            <junctionsAsDirs>false</junctionsAsDirs>
        </folder>
        <device id="" compression="metadata" introducer="false" skipIntroductionRemovals="false" introducedBy="">
            <address>dynamic</address>
            <paused>false</paused>
            <autoAcceptFolders>false</autoAcceptFolders>
            <maxSendKbps>0</maxSendKbps>
            <maxRecvKbps>0</maxRecvKbps>
            <maxRequestKiB>0</maxRequestKiB>
            <untrusted>false</untrusted>
            <remoteGUIPort>0</remoteGUIPort>
        </device>
        <ignores></ignores>
    </defaults>
</configuration>

Notably, both nodes have <copyOwnershipFromParent>true</copyOwnershipFromParent> in both the folder settings, and the default folder settings. But when the files are sync’ed over, they appear on the second node with UID=0 and GID=1000, despite them existing on the first node with a mix of UID=0/GID=0 and UID=999/GID=999.

Any thoughts on where I’m going wrong to preserve UID/GID ownership across nodes?

I think you are looking for syncOwnership which is a different option.

Got it. I don’t see that in my config anywhere. Do I need to just shut down the daemons, add it manually, and then restart?

Ah, nevermind. Even though I am using the :latest tag, I forgot to actually pull the :latest image before building the container. Bumping up from v1.20 to v1.23 has added that option. Thanks!

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