On Thu, 26 Aug 2021 09:09:30 -0400 John Westerdale <jwesterd@xxxxxxxxxx> wrote: > maybe ... rsync... rsync ... sync ... unmount? > > > On Thu, Aug 26, 2021 at 9:01 AM Geoffrey Leach <geoff@xxxxxxxxxx> > wrote: > > > On Thu, 26 Aug 2021 19:20:06 +0930 > > Tim via users <users@xxxxxxxxxxxxxxxxxxxxxxx> wrote: > > > > > On Wed, 2021-08-25 at 21:21 -0700, Geoffrey Leach wrote: > > > > I have a script that mounts an MP3 device, copies files and > > > > umounts. As I have counted on the umount to hang until the data > > > > transfer is complete. That has worked fine until recently. Now > > > > the umount finishes, leaving much of the data uncopied. > > > > > > Just to be very clear: > > > > > > Have you issued a string of commands, so that you expect all the > > > copy commands to be executed in series before the unmount command > > > is issued? Write-caching can be a problem, though the system > > > shouldn't be unmounting before the cache is flushed. > > > > > > Or have you issued the copy and unmount commands, and hope that > > > the actual copying will hold the unmounting at bay until finished? > > > Parallel commands can be a problem, if you expect them to be > > > issued in one order, but they don't quite get queued up in the > > > way you expect. > > > > > > > > > > > > This sounds rather similar to the problem I've seen with with USB > > > flashdrives, and SD cards, where I've seen the message pop up on > > > the screen telling me it's okay to unplug the drive, but clearly > > > the data transfers actually haven't yet finished. In my case, > > > that would be some time after dragging and dropping files onto > > > the destination, then waiting what seemed a reasonable amount of > > > time before I right-clicked to eject or unmount the device > > > > copy ... copy ...umount > maybe ... rsync... rsync ... sync ... unmount? Would certainly work, but would rsync solve the problem? _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx Do not reply to spam on the list, report it: https://pagure.io/fedora-infrastructure
