On Tue, Jan 13, 2026 at 2:39 PM Ramiro Aceves <[email protected]> wrote: > > > > El 13/1/26 a las 11:52, Riccardo Mottola escribió: > > Hi, > > > > Ramiro Aceves wrote: > >> I initially thought about using an exFAT filesystem via FUSE, but as > >> soon as I started rsyncing data from Debian to it, I encountered > >> errors related to long and unusual characters in file names. > >> Additionally, exFAT lacks proper permission support. > >> > >> Can I use an ext2 filesystem from NetBSD with confidence? Are there > >> any other good alternatives for this use case? > > > > I follow this discussion. Currently, for this purpose I use FAT on an > > external 1TB drive, I need to share With Linux and NetBSD, but also Mac > > (also 10.5, 10.6) and OpenBSD and sometimes FreeBSD. FAT is Lingua > > Franca, but has a lot of detail issues. > > I don't care much for permissions - when I mount I assign them to > > myself, works. > > > > Hi Riccardo, > Thanks so much for sharing your experience with FAT. > > > > I do not have filename issues, but I have timestamp issues! Some OSs > > store dates in UTC format which is I think wrong, it should be local > > time from my understanding. I don't know exFAT status here. > > > > Also, the 2GB file limit can be one if movies, DVD ISO's are stored. > > Nowadays NTFS is often used, but on certain OSs it is read-only if > > commercial drivers are not used. > > > > I am not a moovies fan but sometimes I record loong audio files, or long > RF I/Q signals captured by the ham radio SDR receiver for further > analysis, that files can easily outpass 2 GB size. So I discard FAT for > now. > > > I was evaluating exFAT for that purpose: it seems "on paper" well > > supported enough. What you write though scares me. I could try with with > > an USB stick. > > > > Well, it was a quick test yesterday before going to bed (dissapointing > test). I always give short file names for my documents, avoiding "í", > "á" "ü" and strange characters. But some stored files in my > "/home/ramiro/CRUCIAL_DATA_DIRECTORY" have crazy loooong names. Files of > downloaded music and also files of stored emails from Thunderbird that > have the subject as the file name. Perhaps I should clean that names but > there are something like 1000 files with that issue. > > > > > Linux has UFS support but I don't know how well it supports FFSv2. > > Apparently Apple dropped it too? Time for testing.
I do the opposite - use my netBSD 10.1 formatted 1Tb drive when my main Linux hdd (ext4/xfs) overflows with ISOs and qemu virtual harddrives/images. Works a bit slow, but so far without corruption. bash-5.1$ uname -a Linux slax 6.12.26-x64 #1 SMP PREEMPT_DYNAMIC Sun May 4 23:16:06 MSK 2025 x86_64 AMD FX(tm)-4300 Quad-Core Processor AuthenticAMD GNU/Linux bash-5.1$ mount tmpfs on / type tmpfs (rw) proc on /proc type proc (rw) sysfs on /sys type sysfs (rw) /dev/sda1 on /mnt/sda1 type ext4 (rw) /dev/sda2 on /mnt/sda2 type xfs (rw) nfsd on /proc/fs/nfs type nfsd (rw) nfsd on /proc/fs/nfsd type nfsd (rw) /mnt/sda2 on /home type none (rw,bind) /usr/local/lo5472.sfs on /opt/libreoffice-5 type squashfs (ro,) none on /dev/shm type tmpfs (rw,size=10G) debugfs on /sys/kernel/debug type debugfs (rw) binfmt_misc on /proc/sys/fs/binfmt_misc type binfmt_misc (rw) /dev/sdb5 on /mnt/zip type ufs (rw,ufstype=ufs2) One idea I had but not tested is to use qemu with nvmm acceleration to boot Linux from its separate hdd and share data from there via NFS. I tried this in reverse (qemu from linux side booting NetBSD), but then I need to edit /etc/fstab because both my drives are MBR not GPT, and default fsck action get confused when they change their names In theory there is also UDF, but I had bad luck with it on cheap 128 gb flash drive and some random Linux kernel I compiled. > > We keep in touch for any discoveries in about this storage sharing issue. > > Regards. > Ramiro. > > > > > > > Riccardo >
