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‎cloud-infrastructure/storage/block-storage/asset/block-volume-backup-and-restore.md

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# License
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Copyright (c) 2023 Oracle and/or its affiliates.
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Licensed under the Universal Permissive License (UPL), Version 1.0.
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See [LICENSE](https://github.com/oracle-devrel/technology-engineering/blob/folder-structure/LICENSE) for more details.
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# Showcase manual block volume backup and restore
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## Information
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- [Mounting an Object Storage Bucket as File System on Oracle Linux](https://blogs.oracle.com/cloud-infrastructure/post/mounting-an-object-storage-bucket-as-file-system-on-oracle-linux)
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- [OCI Compute - How to Install s3fs-fuse on Oracle Linux 8 (Doc ID 2938554.1)](https://support.oracle.com/epmos/faces/DocumentDisplay?id=2938554.1)
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## Prepare your environment
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- set up your individual "operate" instance
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- An Oracle enterprise Linux server with Command Line Interface (*see [Set up your Server with Resilience by default using CLI](https://gitlab.com/hmielimo/cloud-resilience-by-default/#set-up-your-server-with-resilience-by-default-using-cli) for details*)
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- create and attach block volume: e.g. backup-test (*50GB*)
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- create a bucket e.g. backup-test
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## Set needed variables (*please adjust variables to your needs before past into your terminal*)
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~~~
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DEVICEoPATH1=/dev/oracleoci/oraclevdc
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DEVICEoPATH2=/dev/oracleoci/oraclevdc1
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MYoSOURCE1=/dev/sdb
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MYoSOURCE2=/dev/sdb1
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DATAoDIR=/mnt/MyBlockVolume.backup-test
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OBJECTDATAoDIR=/mnt/MyObjectStorage.backup-test
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BUCKEToNAME=backup-test
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MYoREGION=<region>
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MYoNAMESPACE=<your_namespace>
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MYoSECREToKEY=<your_secret_key>
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MYoACCESSoKEY=<your_access_key>
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~~~
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## Format and mount block volume
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~~~
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sudo umount ${DATAoDIR}
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sudo mkdir ${DATAoDIR}
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sudo fdisk -l
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sudo fdisk ${MYoSOURCE1}
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n add a new partition
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p primary (0 primary, 0 extended, 4 free)
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Partition number (1-4, default 1):
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First sector (2048-419430399, default 2048):
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Last sector, +sectors or +size{K,M,G,T,P} (2048-419430399, default 419430399): +1G
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w write table to disk and exit
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sudo mkfs -t ext4 ${DEVICEoPATH2}
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sudo mount ${DEVICEoPATH2} ${DATAoDIR}
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sudo chown -R opc:opc ${DATAoDIR}
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ls -lah ${DATAoDIR}
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sudo mount | grep ${DATAoDIR}
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lsblk
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~~~
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## Update fstab
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~~~
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sudo vi /etc/fstab
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/dev/oracleoci/oraclevdc1 /mnt/MyBlockVolume.backup-test ext4 defaults,_netdev,noatime 0 2
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~~~
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## Mounting an Object Storage Bucket as File System
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~~~
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# Generate Secret Key: <your_secret_key>
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sudo yum update
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sudo dnf upgrade
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sudo dnf search epel
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sudo dnf clean all
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sudo dnf repolist all
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sudo dnf install oracle-epel-release-el8
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sudo tee /etc/yum.repos.d/ol8-epel.repo<<EOF
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[ol8_developer_EPEL]
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name= Oracle Linux \$releasever EPEL (\$basearch)
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baseurl=https://yum.oracle.com/repo/OracleLinux/OL8/developer/EPEL/\$basearch/
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gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-oracle
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gpgcheck=1
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enabled=1
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EOF
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sudo dnf makecache
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sudo dnf repolist all
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sudo yum install s3fs-fuse
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echo ${MYoACCESSoKEY}:${MYoSECREToKEY} > ${HOME}/.passwd-s3fs
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chmod 600 ${HOME}/.passwd-s3fs
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cat ${HOME}/.passwd-s3fs
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sudo rm -fr ${OBJECTDATAoDIR}
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sudo mkdir ${OBJECTDATAoDIR}
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sudo chown -R opc:opc ${OBJECTDATAoDIR}
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sudo umount ${OBJECTDATAoDIR}
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s3fs ${BUCKEToNAME} ${OBJECTDATAoDIR} -o endpoint=${MYoREGION} -o passwd_file=${HOME}/.passwd-s3fs -o url=https://${MYoNAMESPACE}.compat.objectstorage.${MYoREGION}.oraclecloud.com/ -o nomultipart -o use_path_request_style
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ls -lah ${OBJECTDATAoDIR}
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sudo mount | grep ${OBJECTDATAoDIR}
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sudo mount | grep ${DATAoDIR}
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~~~
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## Create a Set of test data
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~~~
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touch ${DATAoDIR}/test.tmp
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touch ${OBJECTDATAoDIR}/test.tmp
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tee ${DATAoDIR}/test.txt<<EOF
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This is a testfile located in a block volume.
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EOF
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tee ${OBJECTDATAoDIR}/test.txt<<EOF
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This is a testfile located in object storage.
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EOF
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cat ${DATAoDIR}/test.txt
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cat ${OBJECTDATAoDIR}/test.txt
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ls -lah ${DATAoDIR}
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ls -lah ${OBJECTDATAoDIR}
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~~~
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## Backup block volume (*here only a partition for testing purposes*)
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~~~
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sudo umount ${DATAoDIR}
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sudo dd if=${MYoSOURCE} conv=sync,noerror bs=128M | gzip -c > ${OBJECTDATAoDIR}/my-disk.image.gz
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ls -lah ${OBJECTDATAoDIR}/my-disk.image.gz
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~~~
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## Delete ${DATAoDIR}/test.txt
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~~~
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sudo mount ${DEVICEoPATH} ${DATAoDIR}
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ls -lah ${DATAoDIR}
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rm ${DATAoDIR}/test.txt
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ls -lah ${DATAoDIR}
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~~~
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## Restore
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~~~
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sudo umount ${DATAoDIR}
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gunzip -c ${OBJECTDATAoDIR}/my-disk.image.gz | sudo dd of=${MYoSOURCE}
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~~~
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## Test if restore was successful
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~~~
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sudo mount ${DEVICEoPATH} ${DATAoDIR}
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ls -lah ${DATAoDIR}
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~~~

‎cloud-infrastructure/storage/block-storage/asset/block-volume-backup-and-restore.txt

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