Usage of relax-and-recover on rhel


On RHEL 6.5-6.8 you can install rear using the commands yum-config-manager –enable repository rhel-6-server-optional-rpms yum install rear syslinux-extlinux genisoimage syslinux Quick Start Guide

updates rescue image, if layout of the box has been changed which is a good idea: 30 1 * * * root /usr/sbin/rear checklayout || /usr/sbin/rear mkrescue Debugging rear

into the usual locations: /etc/rear/ Configurations /usr/sbin/rear Main program /usr/share/rear/ Internal scripts /tmp/rear.$$/ Build area Layout of /etc/rear default.conf Default configuration – will define EVERY variable with a sane default setting. Binary tools Serves also as

a reference for the available variables ‘site.conf’ site wide configuration (optional) local.conf local machine configuration (optional) $(uname -s)-$(uname -i).conf architecture specific configuration (optional) $(uname -o).conf OS system (e.g. Futures market cnn GNU/Linux.conf) (optional) $OS/$OS_VER.conf OS and OS Version specific configuration (optional) templates/ Directory to keep user-changeable templates for various files used or generated templates/PXE_per_node_config template for pxelinux.cfg per-node configurations templates/CDROM_isolinux.cfg isolinux.cfg template templates/…? other templates as the need arises recovery/…? Recovery information Layout of /usr/share/rear skel/default/ default rescue FS skeleton skel/$(uname -i)/ arch specific rescue FS skeleton (optional) skel/$OS_$OS_VER/ OS-specific rescue FS skeleton (optional) skel/$BACKUP/ Backup-SW specific rescue FS skeleton (optional) skel/$OUTPUT/ Output-Method specific rescue FS skeleton (optional) lib/*.sh function definitions, split into files by their topic prep/default/*.sh prep/$(uname -i)/*.sh prep/$OS_$OS_VER/*.sh prep/$BACKUP/*.sh prep/$OUTPUT/*.sh Prep scripts. Msn news usa The scripts get merged from the applicable directories and executed in their alphabetical

order. Nzd usd live chart Naming conventions are: + + where 00 < < 99 layout/compare/default/ layout/compare/$OS_$OS_VER/ Scripts to compare the saved layout (under /var/lib/rear/layout/) with the actual situation.

mkrescue or rear mkbackup layout/precompare/default/ layout/precompare/$OS_$OS_VER/ layout/prepare/default/ layout/prepare/$OS_$OS_VER/ layout/recreate/default/ layout/recreate/$OS_$OS_VER/ layout/save/default/ layout/save/$OS_$OS_VER/ Scripts to capture the disk layout and write it into /var/lib/rear/layout/ directory rescue/…? Analyse-Rescue scripts: …? build/…? Build scripts: …? pack/…? Pack scripts: …? backup/$BACKUP/*.sh Backup scripts: …? output/$OUTPUT/*.sh Output scripts: …? verify/…? Verify the recovery data against the hardware found, whether we can successfully recover the

system recreate/…? Recreate file systems and their dependancies restore/$BACKUP/…? Restore data from backup media finalize/…? Finalization scripts Inter-module communication

system will be recovered and you can restart it and continue to use it normally. Dollar exchange rate in india Restoring RHEL-based system IMPORTANT: If SELinux is enabled on your system you need to ensure that SELinux relabels

not endorsed by, nor do they necessarily reflect, the opinions of the author present and former employers, SDNP or any other organization the author may be associated with. Usatoday com news We do not warrant the correctness

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