Re: Trying to diagnose incomplete file transfer
Robin Lee Powell via rsync <[email protected]>
| Newsgroups | gmane.network.rsync.general |
|---|---|
| Message-ID | <[email protected]> |
Oh, yeah, I missed that part. Yeah, don't do that; it's easy to add a lock file to a shell script. On Sun, Mar 05, 2023 at 12:30:16PM +0100, Hardy via rsync wrote: > I second Francis here. You don't need to diagnose incomplete file transfers as long as you have racing conditions as you described. This leads to strange result inevitably. > NEVER start several rsync jobs manipulating the same data - especially if there are modifications to BOTH sides source and destination. > > You do not necessarily define a service like Francis suggests. A simple semaphore approach suffices. Perhaps even something like > > # ps fax | grep -v grep | grep $0 && exit > > to prevent this exact command "$0" to start concurrently. > > Hardy > > Am 04.03.23 um 08:38 schrieb Francis.Montagnac--- via rsync: > > > > Hi. > > > > On Sat, 04 Mar 2023 00:39:52 -0600 Albert Croft via rsync wrote: > > > > > The rsync commands may be launched from command-line or cron, but use > > > the same format and options in either case. As a result, there may be > > > multiple rsync processes pulling files from the same remote path to the > > > same local path. > > > > I think you should first prevent this to happen. > > > > If your receiving machine is using systemd: > > > > - define a X.service for doing the rsync > > - define a X.timer unit to replace using cron > > - launch from the command line with: systemctl start X > > - this will not start a new rsync if one runs already (if X.service is > > running) > > > > -- > Please use reply-all for most replies to avoid omitting the mailing list. > To unsubscribe or change options: https://lists.samba.org/mailman/listinfo/rsync > Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html -- Please use reply-all for most replies to avoid omitting the mailing list. To unsubscribe or change options: https://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html