Monitor/Watch running rsync process

You can do (in POSIX shells, including bash):

strace -e open,openat $(ps -o lwp= -LC rsync | sed 's/^/-p/')

Or in zsh:

strace -e open,openat -p${^$(ps -o lwp= -LC rsync)}

Or in fish

strace -e open,openat -p(ps -o lwp= -LC rsync)

Or in rc/es:

strace -e open,openat -p`{ps -o lwp= -LC rsync}

To see what it's doing, or

lsof -ad3-999 -c rsync

to see what files it currently has opened.

The most simple solution would be redirecting the output of rsync to a logfile.

rsync -avz /something /somwhere >> ~/rsynclog

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