这篇文章主要介绍exalogic备份exabr怎么用，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！

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[root@el02node01 bin]# ./exabr h

ExaBR   1.2.6 (b12259)

Usage: exabr [options]

General options:

  --version                Display the exabr version

  --help                   Display this usage help and exit

Targets:

  Targets can be specified by listing the comma-separated IPs or hostnames or by using one of the predefined targets: 

  all-ib (all Infiniband switches), all-mgmt (all management (Cisco) switches), all-cn (all compute nodes and their ILOMs), 

  all-cn-iloms (all compute nodes ILOMS), all-sn (all storage nodes and their ILOMs), all-sn-iloms (all storage ILOMs),

  all-hw (all the hardware components), control-stack, user-vm (zfs snapshot)

  or all-itemized-vms (all user-vservers listed in the configuration file)

Common options:

  --repository, -r         path to the backup repository (any path, usually a mount to a NFS share)

                           (EXABR_REPO environment variable can be also used instead)

Commands:

init - initialize the exabr configuration file. Uses ECU data or the configuration of the given compute-node to obtain hostnames of different rack components

  exabr -r init

init-ssh, remove-ssh - establish or remove SSH public key authentication

  exabr -r init-ssh

  exabr -r remove-ssh

backup - back up the target to the backup repository

  exabr -r backup [--noprompt]

  exabr -r backup [--noprompt] [--exclude-paths ,..] [--include-paths ,..]

  exabr -r backup [--noprompt] [--exclude-paths ,..] [--include-paths ,..]

  Options:

    --noprompt, -n         never prompts for password, and skips the target instead if public key authentication has not been 

                           established (via init-ssh command)

    --exclude-paths        comma-separated list of directories or files that should not be included in the backup

    --include-paths        comma-separated exclusive list of directories and/or files to be backed up

    --timeout              timeout value in seconds to wait for the backup to complete. Default is 2700 seconds.

restore - restore the target from the backup repository 

  exabr -r restore [-b ]

  exabr -r restore [-b ] [--exclude-paths ,..] [--include-paths ,..]

  exabr -r restore [-b ] [--exclude-paths ,..] [--include-paths ,..]

  exabr -r restore user-vm [-b ] --vm

  exabr -r restore control-stack [-b

  Options:

    --backup, -b           the name of the specific backup to be restored. If option is not given, the latest backup is used. 

                           the backup name is shown in brackets by 'list' command.

    --exclude-paths        comma-separated list of directories or files that should not be restored from the backup

    --include-paths        comma-separated exclusive list of directories and/or files to be restored

    --vm                   name or uuid of the vm to restore from the named zfs snapshot. Restores entire disk image

    --timeout              timeout value in seconds to wait for the restore to complete. Default is 2700 seconds.

stop, start - stops or starts control stack VMs

  exabr -r stop control-stack

  exabr -r start control-stack

list - list the content of the backup repository 

  exabr -r list [--verbose]

  Options:

    --verbose, -v          display more details

ib-register - when the hardware component has been replaced and has a new Infiniband identity, register it with the Infiniband fabric

  exabr -r ib-register [--dry-run]

  Options:

    --dry-run              display the commands that would be run without performing them.

configure - configure and/or check the ECU networking settings for a re-imaged compute node

  exabr -r configure

control-unregister - unregister a compute-node from OVMM and from EMOC even if it is not reachable, or missing

  exabr -r control-unregister

control-register - register a live compute-node with OVMM and with EMOC

  exabr -r control-register

ERROR: Invalid arguments. Two arguments expected:

以上为命令的帮助．

1.首先进行初始化

./exabr init 10.135.1623.200      <= first node of exalogic

2.对配置文件进行编辑

编辑/exalogic-lcdata/backups/exabr.config文件

3.对ib结点进行备份

[root@el02node01 bin]# ./exabr backup all-ib

ExaBR   1.2.6 (b12259)

Logging to file /root/exabr.log

------------------------

Using backup repository: /exalogic-lcdata/backups

Using configuration file: /exalogic-lcdata/backups/exabr.config

---------------------------------------------------

Targets: 3 total

Infiniband Gateway switch: el02gateway01.xx.cn, el02gateway02.xx.cn

Infiniband Spine switch: 10.135.173.239

---------------------------------------------------

---------------------------------------------------

(1 out of 3)

---------------------------------------------------

el02gateway01.fawcar.com.cn authentication successful

Backing up Infiniband Gateway switch el02gateway01.xx.com.cn

Destination directory: /exalogic-lcdata/backups/ib_gw_switches/el02gateway01.xx.com.cn/201812060805

---------------------------------------------------

Fetching firmware version

Backing up switch configuration

Backing up partitions

Generating md5 checksum

MD5 checksums created

OK: Infiniband Gateway switch el02gateway01.xx.com.cn backup successful (took: 7 seconds)

---------------------------------------------------

---------------------------------------------------

(2 out of 3)

---------------------------------------------------

el02gateway02.fawcar.com.cn authentication successful

Backing up Infiniband Gateway switch el02gateway02.xx.com.cn

Destination directory: /exalogic-lcdata/backups/ib_gw_switches/el02gateway02.fawcarxx.com.cn/201812060805

---------------------------------------------------

Fetching firmware version

Backing up switch configuration

Backing up partitions

Generating md5 checksum

MD5 checksums created

OK: Infiniband Gateway switch el02gateway02.xx.com.cn backup successful (took: 9 seconds)

---------------------------------------------------

---------------------------------------------------

(3 out of 3)

---------------------------------------------------

10.135.173.239 authentication successful

Backing up Infiniband Spine switch 10.135.173.239

Destination directory: /exalogic-lcdata/backups/ib_spine_switches/10.135.173.239/201812060805

---------------------------------------------------

Fetching firmware version

Backing up switch configuration

Backing up partitions

Generating md5 checksum

MD5 checksums created

OK: Infiniband Spine switch 10.135.173.239 backup successful (took: 4 seconds)

---------------------------------------------------

------------------- SUMMARY -----------------------

OK: 3 out of 3 finished successfully

---------------------------------------------------

4.对计算结点进行备份

[root@el02node01 bin]# ./exabr backup all-cn

略

5.对存储结点进行备份

[root@el02node01 bin]# ./exabr backup all-sn

6.对思科交换机备份

[root@el02node01 bin]# ./exabr backup all-mgmt 

7.备份硬件信息

[root@el02node01 bin]# ./exabr backup all-hw

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