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USB external drive write permissions denied #451

qubolino opened this issue Sep 17, 2019 · 0 comments


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commented Sep 17, 2019

i installed OMV (Release: 4.1.22-1 Codename: Arrakis) on raspi 3 and added an external drive.
i then installed the excellent nextcloud docker image with proper mapping.

CONTAINER ID        IMAGE                           COMMAND                  CREATED             STATUS              PORTS                                                              NAMES
42833652fa8c        ownyourbits/nextcloudpi-armhf   "/ 0.0.0…"   7 weeks ago         Up 29 hours>80/tcp,>443/tcp,>4443/tcp   ncp2​

however every time it reboots nextcloud doesn't start properly, it gets errors such as:

ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (111 "Connection refused")


2019-09-05 13:15:17 1995553584 [Warning] Can't create test file /data/database/42833652fa8c.lower-test
sed: couldn't open temporary file /data/nextcloud/config/sedFenrAQ: Read-only file system

i already changed OMV config such that i get:

# >>> [openmediavault]
/dev/disk/by-label/storage2 /srv/dev-disk-by-label-storage2 ext4 defaults,nofail,user_xattr,exec,usrjquota=aquota.user,,jqfmt=vfsv0,acl,acl 0 2
# <<< [openmediavault]

however for some reasons it looks like permissions errors. I can fix it if I do the following (each time):

  398  sudo docker stop ncp2
  399  sudo umount /srv/dev-disk-by-label-storage2
  400  sudo mount -a
  401  sudo docker start ncp2
  402  sudo docker logs ncp2
  403  sudo docker restart ncp2 # sometimes needed
  404  sudo docker logs ncp2

I am looking for a way to understand the root cause and fix it properly...

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