<html><head><meta http-equiv="content-type" content="text/html; charset=us-ascii"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><br id="lineBreakAtBeginningOfMessage"><div><br><blockquote type="cite"><div>On 12 Jul 2024, at 09:50, t.schneider@disroot.org wrote:</div><br class="Apple-interchange-newline"><div><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><div style="font-size: 10pt; font-family: Verdana,Geneva,sans-serif"><p><span style="color: #333333; font-size: 13px; font-family: sans-serif; background-color: #fcfdfe;">There's no script (or whatsoever) in this backup functionality.</span><br style="color: #333333; font-size: 13px; font-family: sans-serif; background-color: #fcfdfe;"><span style="color: #333333; font-size: 13px; font-family: sans-serif; background-color: #fcfdfe;">It's only<span> </span></span><a style="color: #0077bb; font-size: 13px; font-family: sans-serif; font-weight: bold; background-color: #fcfdfe;" href="https://wiki.archlinux.org/title/Rsnapshot" rel="nofollow">rsnapshot</a><span style="color: #333333; font-size: 13px; font-family: sans-serif; background-color: #fcfdfe;"><span> (https://wiki.archlinux.org/title/Rsnapshot) </span>and<span> </span></span><a style="color: #0077bb; font-size: 13px; font-family: sans-serif; font-weight: bold; background-color: #fcfdfe;" href="https://wiki.archlinux.org/title/Systemd/Timers" rel="nofollow">systemd-timer</a><span style="color: #333333; font-size: 13px; font-family: sans-serif; background-color: #fcfdfe;"><span> </span>involved.</span></p></div></div></blockquote><div><br></div>You can change the ExecStart= to use flock, see man flock for details.</div><div><br></div><div>Off the top of my head something like:</div><div>ExecStart=flock --exclusive mylock rsnapshot</div><div><br></div><div>Add in full paths to make it robust.</div><div><br></div><div>Barry</div><div><br></div><div><blockquote type="cite"><div><div style="font-size: 10pt; font-family: Verdana,Geneva,sans-serif"> <div id="signature"></div><p><br></p><p id="reply-intro">Am 2024-07-12 10:35, schrieb Barry Scott:</p> <blockquote type="cite" style="padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0"> <div id="replybody1"> <div style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><br id="v1lineBreakAtBeginningOfMessage"> <div><br> <blockquote type="cite" style="padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0"> <div>On 12 Jul 2024, at 08:34, t.schneider@disroot.org wrote:</div> <br class="v1Apple-interchange-newline"> <div><p style="caret-color: #000000; font-family: Verdana, Geneva, sans-serif; font-size: 13.333333px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">Setting the time of day requires detailed knowledge about the runtime of each job.</p><p style="caret-color: #000000; font-family: Verdana, Geneva, sans-serif; font-size: 13.333333px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">But this forecast is not accurate and this means any setting could result in same error.</p> <div id="v1signature" style="caret-color: #000000; font-family: Verdana, Geneva, sans-serif; font-size: 13.333333px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"></div> </div> </blockquote> </div> <div>Agreed that is a problem with this approach.</div> <div> </div> <div>Or you have the code that locks wait for the lock to be freed does that help?</div> <div>Are you using flock in the script, then its a easy change.</div> <div> </div> <div>You still cannot ensure the order, but you can ensure that they will all run sequentially.</div> <div> </div> <div>Personally I encode the rules for my incremental vs. full backup into my hourly backups script.</div> <div>So I only have one timer.</div> <div> </div> <div>Barry</div> <div> </div> </div> </div> </blockquote> </div> </div></blockquote></div><br></body></html>