{"id":2807,"date":"2024-03-17T14:56:49","date_gmt":"2024-03-17T12:56:49","guid":{"rendered":"https:\/\/asenger.de\/blog\/?p=2807"},"modified":"2024-04-02T14:32:37","modified_gmt":"2024-04-02T12:32:37","slug":"raspberry-pi-sd-karte-auf-nas-sichern-pi-backup","status":"publish","type":"post","link":"https:\/\/asenger.de\/blog\/raspberry-pi-sd-karte-auf-nas-sichern-pi-backup\/","title":{"rendered":"Raspberry Pi SD-Karte auf NAS sichern = Pi-Backup"},"content":{"rendered":"<div class='__iawmlf-post-loop-links' style='display:none;' 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20:02:45&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-04-04 09:31:36&quot;,&quot;http_code&quot;:206}],&quot;broken&quot;:false,&quot;last_checked&quot;:{&quot;date&quot;:&quot;2026-04-04 09:31:36&quot;,&quot;http_code&quot;:206},&quot;process&quot;:&quot;done&quot;},{&quot;id&quot;:41,&quot;href&quot;:&quot;https:\\\/\\\/www.hagenfragen.de\\\/sonstiges\\\/qnap-nas-nfs-einschalten-und-konfigurieren.html&quot;,&quot;archived_href&quot;:&quot;http:\\\/\\\/web-wp.archive.org\\\/web\\\/20250420005818\\\/https:\\\/\\\/www.hagenfragen.de\\\/sonstiges\\\/qnap-nas-nfs-einschalten-und-konfigurieren.html&quot;,&quot;redirect_href&quot;:&quot;&quot;,&quot;checks&quot;:[{&quot;date&quot;:&quot;2026-02-06 15:00:50&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-02-11 09:09:45&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-02-24 09:40:50&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-02-27 10:43:43&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-03-07 10:44:16&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-03-11 15:21:55&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-03-15 20:02:45&quot;,&quot;http_code&quot;:206},{&quot;date&quot;:&quot;2026-04-04 09:31:38&quot;,&quot;http_code&quot;:206}],&quot;broken&quot;:false,&quot;last_checked&quot;:{&quot;date&quot;:&quot;2026-04-04 09:31:38&quot;,&quot;http_code&quot;:206},&quot;process&quot;:&quot;done&quot;}]'><\/div>\n<p>Quelle: <a href=\"https:\/\/www.hagenfragen.de\/sonstiges\/raspberry-pi-sd-karte-auf-nas-sichern-pi-backup.html\">https:\/\/www.hagenfragen.de\/sonstiges\/raspberry-pi-sd-karte-auf-nas-sichern-pi-backup.html<\/a><\/p>\n<p>SD Karten haben leider nur eine begrenzte Lebensdauer. Diese h\u00e4ngt ma\u00dfgeblich von der Anzahl der Lese- und vor allem der Schreibzugriffe ab. Linux schreibt jedoch die ganze Zeit Eintr\u00e4ge in diverse Log-Files. Desto mehr Programme, desto schlimmer. Besonders \u00fcbel sind Datenbanken. Was tun wir dagegen? Eigentlich l\u00e4sst sich nicht wirklich was dagegen unternehmen. Im Netz kursieren viele Scripte die alle Schreiboperationen von Logs in\u2019s RAM verlagern, davon halte ich pers\u00f6nlich wenig, weil: Strom weg = RAM weg = Daten &amp; Logs weg = Keine M\u00f6glichkeit Ursachenforschung oder Fehler zu suchen.<br \/>\nAlso, was hilft? Das gute alte Backup:<\/p>\n<p>Backup auf einen Datentr\u00e4ger im Netzwerk.<!--more--><\/p>\n<p>Zuerst legen wir mal auf unserem NAS einen Nutzer und einen Order f\u00fcr das Backup an:<\/p>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-5 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-4 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-1 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-medium is-resized\"><a class=\"lightbox-added\" href=\"https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image-1.png\"><picture><source srcset=\"https:\/\/www.hagenfragen.de\/wp-content\/webp-express\/webp-images\/uploads\/2020\/11\/image-1-300x173.png.webp 300w, https:\/\/www.hagenfragen.de\/wp-content\/webp-express\/webp-images\/uploads\/2020\/11\/image-1-1024x591.png.webp 1024w, https:\/\/www.hagenfragen.de\/wp-content\/webp-express\/webp-images\/uploads\/2020\/11\/image-1-768x443.png.webp 768w, https:\/\/www.hagenfragen.de\/wp-content\/webp-express\/webp-images\/uploads\/2020\/11\/image-1-705x407.png.webp 705w, https:\/\/www.hagenfragen.de\/wp-content\/webp-express\/webp-images\/uploads\/2020\/11\/image-1.png.webp 1189w\" type=\"image\/webp\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2008 webpexpress-processed\" src=\"https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image-1-300x173.png\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image-1-300x173.png 300w, https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image-1-1024x591.png 1024w, https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image-1-768x443.png 768w, https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image-1-705x407.png 705w, https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image-1.png 1189w\" alt=\"\" width=\"300\" height=\"173\" \/><\/picture><\/a><figcaption>Neuen backup user anlegen<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-medium\"><a class=\"lightbox-added\" href=\"https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image.png\"><picture><source srcset=\"https:\/\/www.hagenfragen.de\/wp-content\/webp-express\/webp-images\/uploads\/2020\/11\/image-300x96.png.webp 300w, https:\/\/www.hagenfragen.de\/wp-content\/webp-express\/webp-images\/uploads\/2020\/11\/image-705x226.png.webp 705w, https:\/\/www.hagenfragen.de\/wp-content\/webp-express\/webp-images\/uploads\/2020\/11\/image.png.webp 749w\" type=\"image\/webp\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2007 webpexpress-processed\" src=\"https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image-300x96.png\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" srcset=\"https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image-300x96.png 300w, https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image-705x226.png 705w, https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image.png 749w\" alt=\"\" width=\"300\" height=\"96\" \/><\/picture><\/a><figcaption>Backup Ordner anlegen<\/figcaption><\/figure>\n<\/div>\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large is-resized\"><a class=\"lightbox-added\" href=\"https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image-2.png\"><picture><source srcset=\"https:\/\/www.hagenfragen.de\/wp-content\/webp-express\/webp-images\/uploads\/2020\/11\/image-2.png.webp 821w, https:\/\/www.hagenfragen.de\/wp-content\/webp-express\/webp-images\/uploads\/2020\/11\/image-2-300x197.png.webp 300w, https:\/\/www.hagenfragen.de\/wp-content\/webp-express\/webp-images\/uploads\/2020\/11\/image-2-768x503.png.webp 768w, https:\/\/www.hagenfragen.de\/wp-content\/webp-express\/webp-images\/uploads\/2020\/11\/image-2-705x462.png.webp 705w\" type=\"image\/webp\" sizes=\"(max-width: 411px) 100vw, 411px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2009 webpexpress-processed\" src=\"https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image-2.png\" sizes=\"auto, (max-width: 411px) 100vw, 411px\" srcset=\"https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image-2.png 821w, https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image-2-300x197.png 300w, https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image-2-768x503.png 768w, https:\/\/www.hagenfragen.de\/wp-content\/uploads\/2020\/11\/image-2-705x462.png 705w\" alt=\"\" width=\"411\" height=\"269\" \/><\/picture><\/a><figcaption>Datei und Ordner Rechte setzen \u2013 Nur der Backup User darf zugreifen<\/figcaption><\/figure>\n<\/div>\n<\/div>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-3 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-2 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>Jetzt h\u00e4ngt es davon ab, welche Zugriffe das NAS erlaubt. Mein Qnap kann NFS, SMB, SFTP. Ich nehme f\u00fcr das erste Backup zum Testen NFS, weil es das performanteste (und \u00e4lteste aber auch das unsicherste) Protokoll ist. Wie\u00a0<a href=\"https:\/\/www.hagenfragen.de\/sonstiges\/qnap-nas-nfs-einschalten-und-konfigurieren.html\" target=\"_blank\" rel=\"noreferrer noopener\">NFS f\u00fcr ein QNAP-NAS geht steht hier<\/a>.<br \/>\nAlso bringen wir NFS auf dem Raspberry Pi mal an den Start:<\/p>\n<pre class=\"wp-block-preformatted\" style=\"padding-left: 40px;\"># nfs pakete installieren\r\nsudo apt install nfs-common time bzip2 \r\n# mount Verzeichnis erstellen\r\nsudo mkdir \/media\/nas\r\n# exportierte NAS Feigaben pr\u00fcfen\r\n# mit IP\r\nsudo showmount -e 192.168.4.183\r\n# oder DNS Namen\r\nsudo showmount -e nas.fritz.box\r\n# sieht dann so aus: (ich setzte es mal hinter eine # falls jemand den Block einfach nur kopiert ohne zu lesen ;-)\r\n#Export list for 192.168.4.183:\r\n# \/backup *\r\n# \/Public *\r\n# \/Upload  *\r\n# Sieht gut aus, also mounten wir das NFS\r\nsudo mount -t nfs -o rw,soft,nolock nas.fritz.box:\/backup \/media\/nas\r\n# von mount kommt kein Okay oder sowas. Wenn kein Fehler kommt hat's funktioniert\r\ncd \/media\/nas\/\r\ntouch hello-nas\r\n# jetzt sollte auf dem NAS die Datei hello-nas sichtbar sein\r\n# damit wir jetzt gleich nicht auf das Backup warten m\u00fcssen oder das Terminal offen lassen m\u00fcssen\r\n# starten wir mit screen ein virtuelles Terminal\r\nscreen\r\n# und starten das eigentliche Backup\r\nsudo time dd if=\/dev\/mmcblk0 of=\/media\/nas\/backup_$(hostname)_$(date +%Y-%m-%d_%H-%M-%S).img bs=1MB\r\n# das dauert jetzt ne Weile und time zeigt und wie lange genau\r\n# Das erstellte Image ist so gro\u00df wie die Speicherkarte, daher komprimieren wir es mit bzip\r\nbzip2 -7 *img\r\n<\/pre>\n<p>Nachdem bzip2 fertig ist, ist das Backup fertig und auf dem NAS gesichert. Es kann im Falle eines Ausfalls der SD Karte einfach mit einem Tool wie Etcher auf eine neue SD-Karte kopiert werden.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quelle: https:\/\/www.hagenfragen.de\/sonstiges\/raspberry-pi-sd-karte-auf-nas-sichern-pi-backup.html SD Karten haben leider nur eine begrenzte Lebensdauer. Diese h\u00e4ngt ma\u00dfgeblich von der Anzahl der Lese- und vor allem der Schreibzugriffe ab. Linux schreibt jedoch die ganze Zeit Eintr\u00e4ge in diverse Log-Files. Desto mehr Programme, desto schlimmer. Besonders \u00fcbel sind Datenbanken. Was tun wir dagegen? 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