Some files on SMB share on a Server 2016 deduplicated volume are not accessible by NC #10228
Comments
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GitMate.io thinks possibly related issues are #5340 (SMB File Share enumerating everything as folders), #5140 (Shared folders created in NC 11 no longer accessible in NC 12), #8810 (SMB share disconnects as soon as files are added to it on the backend), #2919 (Shared files no longer visible on NC 11 with encryption), and #2889 (NC 11 - Cannot share files with users after update). |
That is super weird behavior and I guess the reason why it fails on our end. It thinks the file is 0 kb in size but receives a bigger one. The current workaround would be to use a filesystem that does de-duplication in a more transparent way. Showing the files as 0 kb in size is simply wrong here - even if true for the "storing part" of the filesystem. AFAIK this needs to be additionally implemented in the files external app on our side. cc @icewind1991 As this sounds like a nice feature, the requests for this are quite low. Currently there a no plans to implement such a feature. Thus I will close this ticket for now. This does not mean we don't want this feature, but it is simply not on our roadmap for the near future. If somebody wants to implement this feature nevertheless we are happy to assist and help out. If you wish to have this feature implemented by the Nextcloud GmbH there is the option for consulting work on top of your Nextcloud Enterprise subscription to get your features implemented. |
Steps to reproduce
*in Windows Explorer the "Size on Disk" of a deduped file is showing 0kb while the normal "Size" is the real file size also shown in NC
Expected behaviour
File should open / download
Actual behaviour
Preview of images states:
Error! Could not generage a preview of this file.
Please go to the next slide while we remove this image from the slideshow
On download of the image or other file types
(Apache2 is behind Reverse-Proxy IIS 10.0) Error 502 of the web server
(directly on Apache2) The server closed the connection without sending any data.
Server configuration
Operating system: Debian 9 (stretch)
Web server: Apache/2.4.25
Database: MariaDB 10.1.26
PHP version: PHP 7.0.27-0+deb9ul
Nextcloud version: 13.0.4
Updated from an older Nextcloud/ownCloud or fresh install: Database and file storage volume migrated from older Nextcloud 13.0.x
Where did you install Nextcloud from: Nextcloud.com/install
Signing status:
Signing status
No errors have been found.
List of activated apps:
App list
Enabled:
Disabled:
Nextcloud configuration:
Config report
system
{
"system": {
"instanceid": "REMOVED SENSITIVE VALUE",
"passwordsalt": "REMOVED SENSITIVE VALUE",
"secret": "REMOVED SENSITIVE VALUE",
"trusted_proxies": "REMOVED SENSITIVE VALUE",
"trusted_domains": [
"srvcloud",
"cloud.city17.ch",
"10.10.0.31"
],
"datadirectory": "REMOVED SENSITIVE VALUE",
"overwrite.cli.url": "https://cloud.city17.ch",
"overwritehost": "cloud.city17.ch",
"dbtype": "mysql",
"version": "13.0.4.0",
"dbname": "REMOVED SENSITIVE VALUE",
"dbhost": "REMOVED SENSITIVE VALUE",
"dbport": "",
"dbtableprefix": "oc_",
"dbuser": "REMOVED SENSITIVE VALUE",
"dbpassword": "REMOVED SENSITIVE VALUE",
"mail_smtpmode": "smtp",
"mail_from_address": "REMOVED SENSITIVE VALUE",
"mail_domain": "REMOVED SENSITIVE VALUE",
"mail_smtphost": "REMOVED SENSITIVE VALUE",
"mail_smtpport": "25",
"mail_smtpauthtype": "LOGIN",
"installed": true,
"ldapIgnoreNamingRules": false,
"ldapProviderFactory": "\OCA\User_LDAP\LDAPProviderFactory",
"theme": "",
"loglevel": 1,
"maintenance": false,
"data-fingerprint": "ad9f4b2451fc5fb3f824969418b49ffc"
}
}
Are you using external storage, if yes which one: SMB
Are you using encryption: No
Are you using an external user-backend, if yes which one: LDAP/ActiveDirectory
LDAP configuration (delete this part if not used)
LDAP config
+-------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Configuration | |
+-------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| hasMemberOfFilterSupport | 1 |
| hasPagedResultSupport | |
| homeFolderNamingRule | |
| lastJpegPhotoLookup | 0 |
| ldapAgentName | CN=Nextcloud Service,OU=Service Users,OU=CITY17,DC=city17,DC=local |
| ldapAgentPassword | *** |
| ldapAttributesForGroupSearch | |
| ldapAttributesForUserSearch | |
| ldapBackupHost | |
| ldapBackupPort | |
| ldapBase | OU=CITY17, DC=city17,DC=local |
| ldapBaseGroups | OU=CITY17, DC=city17,DC=local |
| ldapBaseUsers | OU=CITY17, DC=city17,DC=local |
| ldapCacheTTL | 600 |
| ldapConfigurationActive | 1 |
| ldapDefaultPPolicyDN | |
| ldapDynamicGroupMemberURL | |
| ldapEmailAttribute | mail |
| ldapExperiencedAdmin | 0 |
| ldapExpertUUIDGroupAttr | |
| ldapExpertUUIDUserAttr | |
| ldapExpertUsernameAttr | sAMAccountName |
| ldapGidNumber | gidNumber |
| ldapGroupDisplayName | cn |
| ldapGroupFilter | (&(|(objectclass=group))) |
| ldapGroupFilterGroups | |
| ldapGroupFilterMode | 0 |
| ldapGroupFilterObjectclass | group |
| ldapGroupMemberAssocAttr | member |
| ldapHost | srvdc.city17.local |
| ldapIgnoreNamingRules | |
| ldapLoginFilter | (&(&(|(objectclass=person))(|(|(memberof=CN=Sec_OwnCloud_ACCESS,OU=Groups,OU=CITY17,DC=city17,DC=local)(primaryGroupID=1617))))(|(samaccountname=%uid)(|(mailPrimaryAddress=%uid)(mail=%uid)))) |
| ldapLoginFilterAttributes | |
| ldapLoginFilterEmail | 1 |
| ldapLoginFilterMode | 0 |
| ldapLoginFilterUsername | 1 |
| ldapNestedGroups | 1 |
| ldapOverrideMainServer | |
| ldapPagingSize | 500 |
| ldapPort | 389 |
| ldapQuotaAttribute | |
| ldapQuotaDefault | |
| ldapTLS | 0 |
| ldapUserDisplayName | DisplayName |
| ldapUserDisplayName2 | |
| ldapUserFilter | (&(|(objectclass=person))(|(|(memberof=CN=Sec_OwnCloud_ACCESS,OU=Groups,OU=CITY17,DC=city17,DC=local)(primaryGroupID=1617)))) |
| ldapUserFilterGroups | Sec_OwnCloud_ACCESS |
| ldapUserFilterMode | 0 |
| ldapUserFilterObjectclass | person |
| ldapUuidGroupAttribute | auto |
| ldapUuidUserAttribute | auto |
| turnOffCertCheck | 0 |
| turnOnPasswordChange | 0 |
| useMemberOfToDetectMembership | 1 |
+-------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
Client configuration
Browser: Any
Operating system: Any
Logs
Web server error log
Web server error log
[No error relating to this particular event, loglevel=0]
Nextcloud log (data/nextcloud.log)
Nextcloud log
[Fri Jul 13 09:44:33.895779 2018] [core:notice] [pid 551] AH00052: child pid 22073 exit signal Segmentation fault (11)
I can't seem to find the right logs here, help needed...
Browser log
Browser log
(Apache2 is behind Reverse-Proxy IIS 10.0) Failed to load resource: the server responded with a status of 502 ()
(directly on Apache2) The server closed the connection without sending any data.
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