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moving this question from ServerFault... Might be more appropriate here.

Little bit new to Linux/Centos7 working with Samba.

I have a XFS LVM (spanned over 2 internal harddrives).

Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/centos-root 52403200 50467380 1935820 97% / devtmpfs 3961956 0 3961956 0% /dev tmpfs 3977436 80 3977356 1% /dev/shm tmpfs 3977436 9208 3968228 1% /run tmpfs 3977436 0 3977436 0% /sys/fs/cgroup /dev/mapper/centos-home 427041048 90040 426951008 1% /home /dev/sdc1 508588 216820 291768 43% /boot tmpfs 795488 8 795480 1% /run/user/1000 tmpfs 795488 48 795440 1% /run/user/0 /dev/mapper/lvm_pool-Storage 2928843508 32976 2928810532 1% /run/media/root/e6072a3d-a27d-4b7f-9b77-a4594950d5e5

Successfully set up Samba Shares which I can easily access from Windows 10, but of the 3TB storage on the HDD, the share on Windows can only see 50GB.

Wondering if there is a setting in Centos7 (64-bit) to allow my Samba Share to make the whole 3TB available to my windows share?

Testparm Dump if relevant (which I assume it most certainly is)

# Global parameters [global] netbios name = MYECOM-MEDIA server string = Samba Server Version %v security = USER log file = /var/log/samba/log.%m max log size = 50 idmap config * : backend = tdb hosts allow = 127. 192.168. [Plex-Storage] path = /mnt/hdd/Plex-Storage read only = No guest ok = Yes
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  • It seems you do not have mounted /dev/mapper/lvm_pool-Storage to /mnt/hdd/Plex-Storage, which is the exported folder. Commented Dec 9, 2016 at 10:50
  • The HDD is mounted to /mnt/hdd. Is that not the best way to do it? I can see the folders in Win10, just the size is limited to 50GB Commented Dec 9, 2016 at 10:57
  • Seems to be mounted to /dev/mapper/lvm_pool-Storage on /run/media/root/e6072a3d-a27d-4b7f-9b77-a4594950d5e5 type xfs (rw,nosuid,nodev,relatime,attr2,inode64,noquota,uhelper=udisks2) Commented Dec 9, 2016 at 10:59
  • OK so i changed the Samba path to /run/media/root/e6072a3d-a27d-4b7f-9b77-a4594950d5e5 and i can now see 2.72TB of space. For future reference, Thomas, could you tell me the correct command to mount the location correctly to /mnt/hdd/Plex-Storage or better yet /Plex-Storage?? if you can post as an answer, not a comment, then i can give you a big tick!!! Commented Dec 9, 2016 at 11:08

2 Answers 2

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Best would be to keep the Samba configuration as it is and mount the LVM to the path configured in Samba.

[Plex-Storage] path = /mnt/hdd/Plex-Storage read only = No guest ok = Yes

Then create the mount point and add it to your /etc/fstab, so it is mounted on reboot.

mkdir -p /mnt/hdd/Plex-Storage echo "/dev/mapper/lvm_pool-Storage /mnt/hdd/Plex-Storage xfs defaults 1 2" >> /etc/fstab

After that, reboot or execute the following commands.

systemctl stop smb umount /dev/mapper/lvm_pool-Storage mount /mnt/hdd/Plex-Storage systemctl stop smb
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All solved thanks to Thomas

Added remount to FSTAB into the right place with permissions set accordingly

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