Mounting another HDD (TOS6 Beta - 6.0.460 et al) - HOW?

[Gremlin]

This relates to a discussion here: viewtopic.php?p=37649#p37649

So I have (re-)installed TOS6.0.460 on 2 Nvme drives. These are marked in control panel as 'system drives'

I have used a 3rd party app to create an Ext4 partition (no data) on a HDD. Inserted this drive to nas.

Checking the control panel 'Disk > Disk' I can see this drive. (Shows as 'Normal')
I can see a file system sda on this drive (expected)
if I 'lsblk' at cli I can see sda1 on sda listed as partition and disk respectively.

I cannot find a method within TOS GUI to actually mount this drive/partition to make it useful.
When selected in the GUI the 'mount' option remains greyed out.

The referenced discussion implies that this should be possible. Please advise.

[TMzethar]

Do you not have any volumes yet?
On TOS 6.0.460 you need at least 1 volume from another disk as a mount directory, when any volume exists you should be able to mount it.

[Gremlin]

Yes, there is an existing Volume (Volume1) and Storage Pool on the nvme drives.

[TMzethar]

Would you mind contacting the technical support e-mail and we can arrange for an engineer to check it remotely?

[Gremlin]

Unfortunately the things that you seem to require for remote intervention are not things I use. (Team viewer, remote access, port forwarding, vpn) I don't mind pointing out issues, but I don't need them fixed on this device. As you might see in anotheer thread I have already changed the configuration. (But this specific action is still lacking)

Does the drive to be mounted require data on it in order to be mounted

[Gremlin]

UPDATE:
Formatted drive as NTFS with data (On a Windows system)
Installed drive on nas
Select drive in Control panel (Disk > Disk)
This shows Mount function as enabled -> Mounted drive.
Except
No files visible in file manager
Boot does not appear to have happened

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xxxxxxxxxx@NAS-T:~# mount
/dev/md9 on / type ext4 (rw,noatime,nodiratime,data=ordered)
proc on /proc type proc (rw,nosuid,nodev,noexec,relatime)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
devtmpfs on /dev type devtmpfs (rw,nosuid,size=4096k,nr_inodes=131072,mode=755)
tmpfs on /dev/shm type tmpfs (rw,size=51200k)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000)
tmpfs on /run type tmpfs (rw,nosuid,nodev,size=1574392k,nr_inodes=819200,mode=755)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
cgroup2 on /sys/fs/cgroup type cgroup2 (rw,nosuid,nodev,noexec,relatime,nsdelegate,memory_recursiveprot)
efivarfs on /sys/firmware/efi/efivars type efivarfs (rw,nosuid,nodev,noexec,relatime)
bpf on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=30,pgrp=1,timeout=0,minproto=5,maxproto=5,direct)
hugetlbfs on /dev/hugepages type hugetlbfs (rw,relatime,pagesize=2M)
mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime)
tracefs on /sys/kernel/tracing type tracefs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /tmp type tmpfs (rw,relatime,size=524288k)
fusectl on /sys/fs/fuse/connections type fusectl (rw,nosuid,nodev,noexec,relatime)
ramfs on /run/credentials/systemd-sysusers.service type ramfs (ro,nosuid,nodev,noexec,relatime,mode=700)
binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw,nosuid,nodev,noexec,relatime)
/dev/mapper/vg0-lv0 on /Volume1 type btrfs (rw,relatime,nodatasum,nodatacow,nobarrier,ssd,space_cache=v2,subvolid=5,subvol=/)
/dev/mapper/vg0-lv0 on /home type btrfs (rw,relatime,nodatasum,nodatacow,nobarrier,ssd,space_cache=v2,subvolid=257,subvol=/homes)
xxxxxxxxx@NAS-T:~#

?It is possible the Ext4 partition previously formatted using 3rd party software in windows was not valid for some reason, thus not permitting 'Mount'?

[Gremlin]

UPDATE:
I can manually mount ntfs partition on an empty shared folder and then files become available in File Manager.
I can unmount ntfs partition via the GUI, but still cannot make the mount function work.

[Gremlin]

Strangness:
Upon system reboot, ntfs partition (magically) mounted itself as:

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/dev/sdb1 on /Volume1/@disk/Externaldrive_sdb1 type fuseblk (rw,noatime,user_id=0,group_id=0,allow_other,blksize=4096)

and was readable from File Manager under 'Disk' as 'ExternalDrive_sdb1' (and not under the created shared folder - which still exists).

[Gremlin]

And More:
Attempted MANUAL (via cli) mount of Ext4 drive in same manner as before and this:

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xxxxxxxxx@NAS-T:~# mount /dev/sda1 /Volume1/folder2
[color=#BF0000][b]NTFS signature is missing.[/b][/color]
Failed to mount '/dev/sda1': Invalid argument
The device '/dev/sda1' doesn't seem to have a valid NTFS.
Maybe the wrong device is used? Or the whole disk instead of a
partition (e.g. /dev/sda, not /dev/sda1)? Or the other way around?
xxxxxxxxx@NAS-T:~#

Why on earth is mount checking for NTFS signature? Is this because an ntfs drive was previously mounted on this shared folder? Is that reasonable?

Probably not - mount fails in similar fashion on new, empty shared folder. And, with a little help from Google:

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*********@NAS-T:~# mount -t ext4 /dev/sda1 /Volume1/folder3
mount: /Volume1/folder3: wrong fs type, bad option, bad superblock on /dev/sda1, missing codepage or helper program, or other error.
*********@NAS-T:~#

[Gremlin]

After a bit more head scratching, found this worked:

{remove hdd (sda) and reformat with exfat partition}

Install hdd (sda) into nas
Open GUI > Control Panel > Didk > Disk
Select drive HDD1
Select Partition sda1 (click down arrow top right corner to expose)
Select 'Mount' (... More > Mount )
REBOOT SYSTEM

File system will be mounted on reboot.

There appears to be a 'disconnect' between ordering 'mount' in GUI and physical mounting of the filesystem.

{NOTE: The drive still shows as 'removed' from previous operations}