rsync: yadda ake ƙirƙirar ƙari madadin

Kira shi duk abin da kuke so, wariyar ajiya, adanawa, wariyar ajiya, amma yi shi. Backups suna da mahimmanci don guje wa asarar bayanai kuma galibi ana manta su. Wannan yana haifar da matsala da kuɗi mai yawa ga kamfanoni da yawa, har ma ga masu amfani da gida waɗanda suka ga takaddunsu ko aikinsu sun ɓace a cikin dare. Ko dai saboda gazawa a cikin rumbun kwamfutarka, saboda matsalar software wacce ta bar bayanan ta lalace, saboda fansware, da sauransu. Kuma a nan zaku iya koyon yadda ake yin shi tare da rsync.

Ka tuna cewa don kauce wa asarar data, idan ka ɗauki wani kyakkyawan tsari madadin zaka iya adana bayanan ka ko mafi yawansu. Ka tuna yin kwafi akai-akai (wanda ya dace da adadin sabon bayanan da kuka samar da mahimmancin sa) kuma kuyi shi akan amintattun kafofin watsa labarai. Wato, kar a adana su a kafofin watsa labarai masu lalacewa kamar su fayafai na gani wanda za'a iya karce ...

Akwai nau'ikan adanawa da yawa, kuma wanda yake bani sha'awa anan shine karin kwafin da za'a yi ba tare da sanya komai ba, tare da rsync kayan aiki cewa za ku riga samu a cikin distro.

Iri backups

Idan har yanzu baku sani ba menene madadin ƙari, da bambance-bambance tare da wasu nau'ikan, asali suna manne da wannan:

• Kammalawa: duk fayilolin da ka iya zama cikin tuki ko kundin adireshi ana kofe.
• Ƙari- Zai kwafe fayilolin da aka gyara bayan cikakken baya ko banbanci daban. Don yin wannan, yana kwatanta ranakun gyare-gyare na fayilolin tushe da waɗanda na kwafin da ya gabata kuma idan akwai bambance-bambance, software za ta yanke shawarar yin kwafin waɗanda kawai aka gyara. Abu mai kyau game da wannan kwafin shine bashi da nauyi kamar na cikakken kuma yana baka damar sabunta abubuwan da kake sha'awa kawai.
• Bambanci: wani abu ne tsakanin cika da ƙari. Wato, zai kwafe fayilolin guda biyu waɗanda aka ƙirƙira sababbi da waɗanda aka sabunta.

Yadda ake ƙirƙirar kofe tare da rsync

Kodayake a cikin taken kawai an ambaci karin, amma zan hada da sauran, tunda bana son kowane aiki kuma tabbas zaiyi kyau ku tuna dokokin domin shi.

• Na daya cikakken madadin:

rsync -avh /ruta/origen /ruta/destino

• Na daya madadin kari:

rsync -avhb --delete --backup-dir=/ruta/destino/copia_$(date +%d%m%Y%H%M) /ruta/origen/ /ruta/destino/

• para da bambanci, idan har kuna so kuyi shi daga rubutun don tsara shi kowace rana, kowane mako ko kowane wata, zaku iya amfani da wannan lambar:

#!/bin/bash

DAY=$(date +%A)

if [ -e /ruta/copia/incr/$DAY ] ; then
  rm -fr /ruta/copia/incr/$DAY
fi

rsync -a --delete --quiet --inplace --backup --backup-dir=/ruta/copia/incr/$DAY /ruta/origen/ /ruta/destino/