All of my storage has suddenly disappeared

Suddenly all of my files have disappeared and i can't get them back. I am assuming that my HDD failed but i need to make sure before i give up on my storage whenever i check open media vault it shows this

if you talking about this then then nothing happens

Quote from chente

Connect to your server via SSH (for example with WinSCP on Windows or any Linux terminal). From the command line run

mount

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Code

/dev/mmcblk0p2 on / type ext4 (rw,noatime,nodiratime)
devtmpfs on /dev type devtmpfs (rw,relatime,size=3735680k,nr_inodes=933920,mode=755)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
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=1599964k,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)
pstore on /sys/fs/pstore type pstore (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=31,pgrp=1,timeout=0,minproto=5,maxproto=5,direct)
mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime)
sunrpc on /run/rpc_pipefs type rpc_pipefs (rw,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)
fusectl on /sys/fs/fuse/connections type fusectl (rw,nosuid,nodev,noexec,relatime)
configfs on /sys/kernel/config type configfs (rw,nosuid,nodev,noexec,relatime)
tmpfs on /tmp type tmpfs (rw,relatime)
/dev/mmcblk0p1 on /boot type vfat (rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=ascii,shortname=mixed,errors=remount-ro)
/dev/sda1 on /srv/dev-disk-by-uuid-4098739f-c841-49cf-80eb-acd751085ba4 type ext4 (ro,relatime,stripe=8191,jqfmt=vfsv0,usrjquota=aquota.user,grpjquota=aquota.group)
tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=799980k,nr_inodes=199995,mode=700,uid=1000,gid=100)

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