a couple of my Raspberry PIs are booting via NFS from my QNAP TVS-873. That worked pretty bulletproof while the QNAP was on QTS 4.
Yesterday I upgraded to QTS 5. Ever since that (all those) RPIs aren't really available anymore. They seem to boot to S O M E extend.
But when I try to login via SSH I am either disconnected instantly or I find myself is a system that behaves as if its root FS had been removed midway, meaning most commands cannot be executed because their binaries cannot be found.
The is a system with the latter behavior:
Code: Select all
pi@raspberrypi07:~$ mount
QNAP-IPV4-ADDRESS:/RPI_Boot_RPI07 on / type nfs (rw,noatime,vers=2,rsize=4096,wsize=4096,namlen=255,hard,nolock,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=QNAP-IPV4-ADDRESS,mountvers=1,mountproto=tcp,local_lock=all,addr=QNAP-IPV4-ADDRESS)
devtmpfs on /dev type devtmpfs (rw,relatime,size=439404k,nr_inodes=109851,mode=755)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime)
proc on /proc type proc (rw,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,mode=755)
tmpfs on /run/lock type tmpfs (rw,nosuid,nodev,noexec,relatime,size=5120k)
tmpfs on /sys/fs/cgroup type tmpfs (ro,nosuid,nodev,noexec,mode=755)
cgroup2 on /sys/fs/cgroup/unified type cgroup2 (rw,nosuid,nodev,noexec,relatime,nsdelegate)
cgroup on /sys/fs/cgroup/systemd type cgroup (rw,nosuid,nodev,noexec,relatime,xattr,name=systemd)
none on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700)
cgroup on /sys/fs/cgroup/blkio type cgroup (rw,nosuid,nodev,noexec,relatime,blkio)
cgroup on /sys/fs/cgroup/perf_event type cgroup (rw,nosuid,nodev,noexec,relatime,perf_event)
cgroup on /sys/fs/cgroup/cpu,cpuacct type cgroup (rw,nosuid,nodev,noexec,relatime,cpu,cpuacct)
cgroup on /sys/fs/cgroup/net_cls,net_prio type cgroup (rw,nosuid,nodev,noexec,relatime,net_cls,net_prio)
cgroup on /sys/fs/cgroup/cpuset type cgroup (rw,nosuid,nodev,noexec,relatime,cpuset)
cgroup on /sys/fs/cgroup/freezer type cgroup (rw,nosuid,nodev,noexec,relatime,freezer)
cgroup on /sys/fs/cgroup/devices type cgroup (rw,nosuid,nodev,noexec,relatime,devices)
cgroup on /sys/fs/cgroup/pids type cgroup (rw,nosuid,nodev,noexec,relatime,pids)
systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=34,pgrp=1,timeout=0,minproto=5,maxproto=5,direct)
sunrpc on /run/rpc_pipefs type rpc_pipefs (rw,relatime)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
mqueue on /dev/mqueue type mqueue (rw,relatime)
configfs on /sys/kernel/config type configfs (rw,relatime)
/dev/mmcblk0p1 on /boot type vfat (rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=ascii,shortname=mixed,errors=remount-ro)
/etc/auto_docker.direct on /var/lib/docker type autofs (rw,relatime,fd=6,pgrp=674,timeout=300,minproto=5,maxproto=5,direct)
/etc/auto_fileserver.direct on /mnt/fileserver_backups type autofs (rw,relatime,fd=6,pgrp=674,timeout=300,minproto=5,maxproto=5,direct)
/etc/auto_fileserver.direct on /mnt/fileserver_transfer type autofs (rw,relatime,fd=6,pgrp=674,timeout=300,minproto=5,maxproto=5,direct)
tmpfs on /run/user/1000 type tmpfs (rw,nosuid,nodev,relatime,size=94536k,mode=700,uid=1000,gid=1000)
pi@raspberrypi07:~$ ls -l /
ls: reading directory '/': Permission denied
total 0
pi@raspberrypi07:~$
When looking at the exported folders from the QNAP I'm not sure which permissions the folders should have, but I haven't touched them:
Code: Select all
[~] # ls -l /share/CE_CACHEDEV2_DATA/Daten/RPI_Boot
total 48
drwxr-xr-x 23 admin administrators 4096 2021-03-22 16:16 RPI01/
drwxr-xr-x 24 admin administrators 4096 2021-10-02 22:21 RPI03/
drwxr-xr-x 20 admin administrators 4096 2021-05-05 10:02 RPI07/
drwxr-xr-x 24 admin administrators 4096 2021-05-06 23:52 RPI08/
drwxr-xr-x 23 admin administrators 4096 2021-09-17 22:08 RPI10/
drwxr-xr-x 6 admin administrators 4096 2021-10-27 23:16 RPI11/
[~] #
- it concerns all RPIs alike and
I have not changed anything on them for a while.
Can anybody possibly shed some light on this?