# Performing MySQL Block-Level Backup

Block-level backup analyzes the source volume and backs up the extents (groups of contiguous blocks) for supported databases.

Notes

- Block-level backups are supported only on Linux platforms. For more information, see the list of supported kernel versions below.

- Block-level backups are not supported if the data directory is present in the root folder (/).

- Block-level backups are not supported on tape library.

- Network File System (NFS) is not supported for MySQL block-level backups.

- Application-aware backups for virtual machines are not supported for MySQL block-level backups.

- The MySQL data directory (datadir) along with innodb_data_home_dir, innodb_log_group_home_dir and innodb_undo_directory must be the same for the MySQL snap to be restored.

List of Supported Kernel Versions

The following are the requirements for running a block-level backup operation.

Operating System | Operating System Version | Architecture
--- | --- | ---
Linux | CentOS |
| CentOS 8.4 with kernel 4.18.0-305 | x64 Compatible processors
| CentOS 8.3 with kernel 4.18.0-240 | x86 x64 Compatible processors
| CentOS 8.1 with kernel 4.18.0-147 | x64
| CentOS 8.0 with kernel 4.18.0-80 | x64
| CentOS 7.9 with kernel 3.10.0-1160 | x64
| CentOS 7.8 with kernel 3.10.0-1127 | x64
| CentOS 7.7 with kernel 3.10.0-1062 | x64
| CentOS 7.6 with kernel 3.10.0-957 | x64
| CentOS 7.5 with kernel 3.10.0-862 | x64
| CentOS 7.3 with kernel 3.10.0-514 | x64
| Debian |
| Debian 10.x with kernel 4.19.0-9 | x86 x64 Compatible processors
| Debian 10.x with kernel 4.19.0-8 | x86 x64 Compatible processors
| Debian 10.x with kernel 4.19.0-6 | x86 x64 Compatible processors
| Debian 9.x with kernel 4.9.0-6 | x86 x64 Compatible processors
| Debian 8.x with kernel 3.16.0-5 | x86 x64 Compatible processors
| Debian 8.x with kernel 3.16.0-4 | x86 x64 Compatible processors
| Debian 7 with kernel 3.2.0-4-amd64 | x86 x64 Compatible processors
| Oracle Linux |
| Oracle Linux 8.6 with kernel 5.4.17-2136.310.7.el8uek.x86_64 | x64
| Oracle Linux 8.5 with kernel 5.4.17-2136.302.6.1.el8uek.x86_64 | x64
| Oracle Linux 8.x with kernel 4.18.0.x | x64
| Oracle Linux 7.x with kernel 3.8.13.x | x64
| Oracle Linux 7.5 with kernel 4.1.12-124.14.2.el7uek.x86_64 | x64
| Oracle Linux 7.4 with kernel 4.1.12-112.14.1.el7uek.x86_64 | x64
| Oracle Linux 7.3 with kernel 4.1.12-61.1.18.el7uek.x86_64 | x64
| Oracle Linux 7.2 with kernel 3.8.13-98.7.1.el7uek.x86_64 | x64
| Oracle Linux 7.1 with kernel 3.8.13-55.1.6.el7uek.x86_64 | x64
| Oracle Linux 6.9 with kernel 4.1.12-61.1.28.el6uek.x86_64 | x86 x64 Compatible processors
| Oracle Linux 6.8 with kernel 4.1.12-37.3.1.el6uek.x86_64 | x86 x64 Compatible processors
| Oracle Linux 6.7 with kernel 3.8.13-68.3.4.el6uek.x86_64 | x86 x64 Compatible processors
| Oracle Linux 6.6 with kernel 3.8.13-68.1.3.el6uek.x86_64 | x86 x64 Compatible processors
| Oracle Linux 6.4 with kernel 2.6.39-400 | x86 x64 Compatible processors
| Red Hat Enterprise Linux |
| RedHat Enterprise Linux 10 with kernel 6.12.0-55 | x64 Compatible processors |
| RedHat Enterprise Linux 9.8 with kernel 5.14.0-687 | x86 x64 Compatible processors |
| RedHat Enterprise Linux 9.7 with kernel 5.14.0-611 | x64 Compatible processors |
| RedHat Enterprise Linux 9.6 with kernel 5.14.0-570 | x64 Compatible processors |
| RedHat Enterprise Linux 9.4 with kernel 5.14.0-427 | x64 Compatible processors |
| RedHat Enterprise Linux 9.3 with kernel 5.14.0-362 | x64 Compatible processors
| RedHat Enterprise Linux 9.2 with kernel 5.14.0-284 | x64 Compatible processors
| RedHat Enterprise Linux 8.10 with kernel 4.18.0-553 | x64 Compatible processors
| RedHat Enterprise Linux 8.6 with kernel 4.18.0-372 | x86 x64 Compatible processors
| RedHat Enterprise Linux 8.5 with kernel 4.18.0-348 | x86 x64 Compatible processors
| RedHat Enterprise Linux 8.4 with kernel 4.18.0-305 | x86 x64 Compatible processors
| Red Hat Enterprise Linux 8.3 with kernel 4.18.0-240 | x86 x64 Compatible processors
| Red Hat Enterprise Linux 8.1 Advanced Platform with kernel 4.18.0-147 | x64
| Red Hat Enterprise Linux 8.0 Advanced Platform with kernel 4.18.0-80 | x64
| Red Hat Enterprise Linux 7.9 Advanced Platform with kernel 3.10.0-1160 | x64
| Red Hat Enterprise Linux 7.8 Advanced Platform with kernel 3.10.0-1127 | x64
| Red Hat Enterprise Linux 7.6 Advanced Platform with kernel 3.10.0-957 | x64
| Red Hat Enterprise Linux 7.5 Advanced Platform with kernel 3.10.0-862 | x64
| Red Hat Enterprise Linux 7.4 Advanced Platform with kernel 3.10.0-693 | x64
| Red Hat Enterprise Linux 7.3 Advanced Platform with kernel 3.10.0-514.10.2.el7 | x64
| Red Hat Enterprise Linux 7.1 Advanced Platform with kernel 3.10.0-229 | x64
| SuSE Linux (SLES) |
| SuSE Linux 15 Enterprise Server with kernel 4.12.14-25.22 | x86 x64 Compatible processors
| SuSE Linux 12 SP3 Enterprise Server with kernel 4.4.82-6.9 | x86 x64 Compatible processors
| SuSE Linux 12 SP2 Enterprise Server with kernel 4.4.121-92.92 | x86 x64 Compatible processors
| SuSE Linux 12 SP2 Enterprise Server with kernel 4.4.38-93 | x86 x64 Compatible processors
| SuSE Linux 12 Enterprise Server with kernel 3.12.49-11-default (Update 1) | x86 x64 Compatible processors
| SuSE Linux 11 SP4 Enterprise Server with kernel 3.0.101-63 | x86 x64 Compatible processors
| SuSE Linux 11 SP2 Enterprise Server with kernel 3.0.13-0.27-default | x86 x64 Compatible processors
| SuSE Linux 11 Enterprise Server with kernel 2.6.32.12-0.7-default | x86 x64 Compatible processors
| SuSE Linux 10 Enterprise Server with kernel 2.6.16.60-0.54.5 (Update 3) | x86 x64 Compatible processors
| SuSE Linux 10 Enterprise Server with kernel 2.6.16.60-0.21 (Update 2) | x86 x64 Compatible processors
| SuSE Linux 10 Enterprise Server with kernel 2.6.16.46-0.12 (Update 1) | x86 x64 Compatible processors
| Rocky Linux |
| Rocky Linux 8.6 with kernel 4.18.0-477 | x64 Compatible processors
| Rocky Linux 8.7 with kernel 4.18.0-477 | x64 Compatible processors
| Rocky Linux 8.8 with kernel 4.18.0-477 | x64 Compatible processors
| Rocky Linux 8.10 with kernel 4.18.0-553 | x64 Compatible processors

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