{"id":312,"date":"2025-11-10T07:23:06","date_gmt":"2025-11-10T07:23:06","guid":{"rendered":"https:\/\/linuxbase.io\/?p=312"},"modified":"2025-11-10T07:23:06","modified_gmt":"2025-11-10T07:23:06","slug":"vorhandenes-pbs-datastore-hinzufugen-proxmox-backup-server","status":"publish","type":"post","link":"https:\/\/netguide.io\/linux\/de\/vorhandenes-pbs-datastore-hinzufugen-proxmox-backup-server\/","title":{"rendered":"Vorhandenes PBS Datastore hinzuf\u00fcgen &#8211; Proxmox Backup Server"},"content":{"rendered":"\n<p>Es kommt immer wieder vor, dass man ein bestehendes <strong>Datastore-Verzeichnis<\/strong> in einer neuen oder wiederhergestellten <strong><a href=\"https:\/\/netguide.io\/linux\/de\/category\/proxmox\/\" data-internallinksmanager029f6b8e52c=\"1\" title=\"Proxmox Category\">Proxmox<\/a> Backup Server (PBS)<\/strong>-Installation einbinden m\u00f6chte. Sei es nach einer Neuinstallation, einem Umzug oder weil der Datastore versehentlich entfernt wurde. Leider l\u00e4uft das nicht immer reibungslos ab &#8211; h\u00e4ufig scheitert die Funktion <strong>&#8220;Reuse existing datastore&#8221;<\/strong> mit verschiedenen Fehlermeldungen.<\/p>\n\n\n\t\t\t\t<div class=\"wp-block-uagb-table-of-contents uagb-toc__align-left uagb-toc__columns-1  uagb-block-c88831fc      \"\n\t\t\t\t\tdata-scroll= \"1\"\n\t\t\t\t\tdata-offset= \"30\"\n\t\t\t\t\tstyle=\"\"\n\t\t\t\t>\n\t\t\t\t<div class=\"uagb-toc__wrap\">\n\t\t\t\t\t\t<div class=\"uagb-toc__title\">\n\t\t\t\t\t\t\tTable Of Contents\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"uagb-toc__list-wrap \">\n\t\t\t\t\t\t<ol class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#typische-fehlermeldungen-beim-hinzuf\u00fcgen-eines-bestehenden-datastores\" class=\"uagb-toc-link__trigger\">Typische Fehlermeldungen beim Hinzuf\u00fcgen eines bestehenden Datastores<\/a><li class=\"uagb-toc__list\"><a href=\"#einfache-l\u00f6sung-datastore-manuell-einbinden\" class=\"uagb-toc-link__trigger\">Einfache L\u00f6sung: Datastore manuell einbinden<\/a><ul class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#schritt-1-neues-tempor\u00e4res-datastore-anlegen\" class=\"uagb-toc-link__trigger\">Schritt 1: Neues (tempor\u00e4res) Datastore anlegen<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#schritt-2-konfiguration-anpassen\" class=\"uagb-toc-link__trigger\">Schritt 2: Konfiguration anpassen<\/a><li class=\"uagb-toc__list\"><li class=\"uagb-toc__list\"><a href=\"#schritt-3-dienst-neu-starten\" class=\"uagb-toc-link__trigger\">Schritt 3: Dienst neu starten<\/a><\/li><\/ul><\/li><li class=\"uagb-toc__list\"><a href=\"#ergebnis-pr\u00fcfen\" class=\"uagb-toc-link__trigger\">Ergebnis pr\u00fcfen<\/a><li class=\"uagb-toc__list\"><a href=\"#fazit\" class=\"uagb-toc-link__trigger\">Fazit<\/a><\/ul><\/ol>\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\n\n\n<p><\/p>\n\n\n\n<p>In diesem Artikel zeigen wir dir, wie du ein vorhandenes PBS-Datastore korrekt wieder einbindest, welche typischen Fehler auftreten und wie du sie ganz einfach umgehen kannst.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Typische Fehlermeldungen beim Hinzuf\u00fcgen eines bestehenden Datastores<\/h3>\n\n\n\n<p>Beim Versuch, ein vorhandenes Datastore-Verzeichnis erneut in PBS einzubinden, treten oft folgende Fehler auf:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>&#8220;Permissions Error&#8221;<\/strong><\/li>\n\n\n\n<li><strong>&#8220;EPROM Error&#8221;<\/strong><\/li>\n\n\n\n<li>oder die Option <strong>&#8220;Reuse existing datastore&#8221;<\/strong> funktioniert einfach nicht<\/li>\n<\/ul>\n\n\n\n<p>Diese Probleme entstehen meist dadurch, dass der <strong><a href=\"https:\/\/netguide.io\/linux\/de\/category\/proxmox\/\" data-internallinksmanager029f6b8e52c=\"1\" title=\"Proxmox Category\">Proxmox<\/a> Backup Server sehr strenge Integrit\u00e4tspr\u00fcfungen<\/strong> durchf\u00fchrt. Das ist grunds\u00e4tzlich sinnvoll, verhindert aber manchmal das einfache Wiederverwenden vorhandener Speicherpfade &#8211; insbesondere, wenn Metadaten oder Berechtigungen leicht ver\u00e4ndert wurden.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Einfache L\u00f6sung: Datastore manuell einbinden<\/h3>\n\n\n\n<p>Mit einem kleinen Trick l\u00e4sst sich das Problem umgehen. Du kannst ein tempor\u00e4res Datastore anlegen und den Pfad anschlie\u00dfend manuell anpassen.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Schritt 1: Neues (tempor\u00e4res) Datastore anlegen<\/h4>\n\n\n\n<p>Erstelle zun\u00e4chst ein neues Datastore \u00fcber die Weboberfl\u00e4che oder per CLI.<br>W\u00e4hle dabei einen <strong>tempor\u00e4ren Pfad<\/strong>, z. B.:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2\"><span style=\"padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#24292e\"><\/span><span role=\"button\" style=\"color:#e1e4e8\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" aria-hidden=\"true\" readonly>mkdir \/tmp\/neu\n<\/textarea><\/pre><\/span><pre class=\"shiki github-dark\" style=\"background-color: #24292e\"><code><span class=\"line\"><span style=\"color: #E1E4E8\">mkdir <\/span><span style=\"color: #F97583\">\/<\/span><span style=\"color: #E1E4E8\">tmp<\/span><span style=\"color: #F97583\">\/<\/span><span style=\"color: #E1E4E8\">neu<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p>Nun kannst du dieses Verzeichnis im PBS-Interface als neuen Datastore hinzuf\u00fcgen, z. B. mit dem Namen <code>tmp<\/code>.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Schritt 2: Konfiguration anpassen<\/h4>\n\n\n\n<p>\u00d6ffne anschlie\u00dfend die Konfigurationsdatei des Proxmox Backup Servers:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2\"><span style=\"padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#24292e\"><\/span><span role=\"button\" style=\"color:#e1e4e8\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" aria-hidden=\"true\" readonly>nano \/etc\/proxmox-backup\/datastore.cfg\n<\/textarea><\/pre><\/span><pre class=\"shiki github-dark\" style=\"background-color: #24292e\"><code><span class=\"line\"><span style=\"color: #E1E4E8\">nano <\/span><span style=\"color: #F97583\">\/<\/span><span style=\"color: #E1E4E8\">etc<\/span><span style=\"color: #F97583\">\/<\/span><span style=\"color: #E1E4E8\">proxmox<\/span><span style=\"color: #F97583\">-<\/span><span style=\"color: #E1E4E8\">backup<\/span><span style=\"color: #F97583\">\/<\/span><span style=\"color: #E1E4E8\">datastore.cfg<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p>Dort findest du den Eintrag f\u00fcr das neu angelegte Datastore, z. B.:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2\"><span style=\"padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#24292e\"><\/span><span role=\"button\" style=\"color:#e1e4e8\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" aria-hidden=\"true\" readonly>datastore: tmp\n    path \/tmp\/neu\n<\/textarea><\/pre><\/span><pre class=\"shiki github-dark\" style=\"background-color: #24292e\"><code><span class=\"line\"><span style=\"color: #B392F0\">datastore<\/span><span style=\"color: #E1E4E8\">: tmp<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">    path <\/span><span style=\"color: #F97583\">\/<\/span><span style=\"color: #E1E4E8\">tmp<\/span><span style=\"color: #F97583\">\/<\/span><span style=\"color: #E1E4E8\">neu<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p>\u00c4ndere diesen Eintrag wie folgt ab:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Setze bei <strong><code>path<\/code><\/strong> den Pfad des alten, bereits vorhandenen Datastores ein (z. B. <code>\/mnt\/datastore1<\/code>).<\/li>\n\n\n\n<li>Passe den Namen (<code>datastore: ...<\/code>) nach Wunsch wieder an.<\/li>\n<\/ul>\n\n\n\n<p>Beispiel:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2\"><span style=\"padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#24292e\"><\/span><span role=\"button\" style=\"color:#e1e4e8\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" aria-hidden=\"true\" readonly>datastore: backup1\n    path \/mnt\/datastore1\n<\/textarea><\/pre><\/span><pre class=\"shiki github-dark\" style=\"background-color: #24292e\"><code><span class=\"line\"><span style=\"color: #B392F0\">datastore<\/span><span style=\"color: #E1E4E8\">: backup1<\/span><\/span>\n<span class=\"line\"><span style=\"color: #E1E4E8\">    path <\/span><span style=\"color: #F97583\">\/<\/span><span style=\"color: #E1E4E8\">mnt<\/span><span style=\"color: #F97583\">\/<\/span><span style=\"color: #E1E4E8\">datastore1<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Schritt 3: Dienst neu starten<\/h4>\n\n\n\n<p>Damit die \u00c4nderungen aktiv werden, starte den PBS-Dienst neu:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2\"><span style=\"padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#24292e\"><\/span><span role=\"button\" style=\"color:#e1e4e8\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" aria-hidden=\"true\" readonly>systemctl restart proxmox-backup\n<\/textarea><\/pre><\/span><pre class=\"shiki github-dark\" style=\"background-color: #24292e\"><code><span class=\"line\"><span style=\"color: #E1E4E8\">systemctl restart proxmox<\/span><span style=\"color: #F97583\">-<\/span><span style=\"color: #E1E4E8\">backup<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p>Alternativ kannst du den gesamten Server neu starten:<\/p>\n\n\n\n<div class=\"wp-block-kevinbatdorf-code-block-pro\" data-code-block-pro-font-family=\"Code-Pro-JetBrains-Mono\" style=\"font-size:.875rem;font-family:Code-Pro-JetBrains-Mono,ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;line-height:1.25rem;--cbp-tab-width:2\"><span style=\"padding:16px 0 0 16px;margin-bottom:-1px;width:100%;text-align:left;background-color:#24292e\"><\/span><span role=\"button\" style=\"color:#e1e4e8\" aria-label=\"Copy\" class=\"code-block-pro-copy-button\"><pre class=\"code-block-pro-copy-button-pre\" aria-hidden=\"true\"><textarea class=\"code-block-pro-copy-button-textarea\" aria-hidden=\"true\" readonly>reboot\n<\/textarea><\/pre><\/span><pre class=\"shiki github-dark\" style=\"background-color: #24292e\"><code><span class=\"line\"><span style=\"color: #E1E4E8\">reboot<\/span><\/span>\n<span class=\"line\"><\/span><\/code><\/pre><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Ergebnis pr\u00fcfen<\/h3>\n\n\n\n<p>Nach dem Neustart sollte dein alter Datastore wieder in der PBS-Weboberfl\u00e4che erscheinen. Alle Backups, Snapshots und Informationen werden automatisch erkannt, da die Metadaten im Datastore-Verzeichnis enthalten sind.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fazit<\/h3>\n\n\n\n<p>Das Hinzuf\u00fcgen eines vorhandenen <strong>PBS Datastores<\/strong> kann mit der eingebauten Funktion manchmal fehlschlagen, da der Proxmox Backup Server sehr strikt bei seinen \u00dcberpr\u00fcfungen ist. Mit dem einfachen Workaround &#8211; tempor\u00e4res Datastore anlegen, Konfigurationsdatei anpassen und neu starten &#8211; l\u00e4sst sich das Problem jedoch in wenigen Minuten l\u00f6sen.<\/p>\n\n\n\n<p><strong>Tipp:<\/strong><br>Wenn du h\u00e4ufiger PBS-Datastores zwischen Instanzen umziehst oder testweise einbindest, lohnt es sich, die Berechtigungen (<code>chown<\/code> \/ <code>chmod<\/code>) zu \u00fcberpr\u00fcfen und sicherzustellen, dass der Benutzer <code>backup<\/code> Zugriff auf alle Dateien im Datastore hat.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Es kommt immer wieder vor, dass man ein bestehendes Datastore-Verzeichnis in einer neuen oder wiederhergestellten Proxmox Backup Server (PBS)-Installation einbinden [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":286,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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kommt immer wieder vor, dass man ein bestehendes Datastore-Verzeichnis in einer neuen oder wiederhergestellten Proxmox Backup Server (PBS)-Installation einbinden [&hellip;]","_links":{"self":[{"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/posts\/312","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/comments?post=312"}],"version-history":[{"count":0,"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/posts\/312\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/media\/286"}],"wp:attachment":[{"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/media?parent=312"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/categories?post=312"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/netguide.io\/linux\/wp-json\/wp\/v2\/tags?post=312"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}