Hi Mirek,
TFTP is normally only used for reading, and it doesn’t surprise me if writing
isn’t supported since there is no user authentication involved.
It should be possible to enable NFSv2 in Rocky Linux 8, it still works on
RHEL-8 but you do have to change one or two files in the server’s /etc area to
do that. Red Hat don’t actually offer support for v2 any more, but they haven’t
actively removed the code for it, just disabled it by default.
V2 will be removed from the upstream kernel.org Linux kernel at some point soon
and then it will be much harder to continue using, but I don’t think that has
happened just yet. Plan for that eventuality…
- Andrew
--
Complicity is easy, Simplexity takes real work
On Feb 14, 2024, at 2:23 PM, Miroslaw Dach <miroslaw.d...@gmail.com> wrote:
Hello,
I have two types of the EPICS and RTEMS 4.10 and RTEMS5 bases systems.
They all use the nfs v2 mount points on the Linus remote host. We current
mirage in our lab to the newer version of the LINUX os (Rocky Linux 8) which
seems to not support NFS V2. Since I can not migrate to the RTEMS6 and EPICS 7
with some legacy systems due to the drivers incompatibilities
I explored the TFTPFS instead of the NFSFS. All works fine when reading files
through tftp. I can't however write files using the tftp.
The tftpfs is set as following:
EPICS_R7.07/base/modules/libcom/RTEMS/posix/rtems_init.c
initialize_remote_filesystem(char **argv, int hasLocalFilesystem){
:
if (mount_and_make_target_path(devname,
"/TFTP/",
RTEMS_FILESYSTEM_TYPE_TFTPFS,
RTEMS_FILESYSTEM_READ_WRITE,
NULL))
perror("mount_and_make_target_path");
:
}
When I try to write a file I get a following error:
dbl > S0817PVs.txt
st.cmd line 60: Can't open "S0817PVs.txt": I/O error.
I do not see anything in the tftp log file that the EPICS iocs server even
tries to send a request to save a file. It looks like it is something internal
in EPICS/RTEMS .
Does anybody have any advice?
Best Regards
Mirek
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