[rear-users] rear with Borg on USB

[Gratien D'haese]

Hi Vlad,

Niece piece of work and I love your documentation - good job!
Gratien

---
Gratien D'haese
IT3 Consultants bvba
Vennestraat 15, B-2560 Nijlen
E-mail: gratien.dhaese at it3.be

On 2018-02-20 17:32, Vladimir Gozora wrote:
> Hello Sascha,
> 
> I've just merged the code described below to ReaR upstream code.
> Configuration details can be found in:
> https://github.com/rear/rear/blob/master/doc/user-guide/04-scenarios.adoc#rear-with-borg-back-end
> 
> Best regards
> 
> V.
> 
> On Sat, 10 Feb 2018, Vladimir Gozora wrote:
> 
>> Hi,
>> 
>> I just finished first working version of Borg with USB back end code.
>> You can clone "borg_usb_dev" branch from my Github page.
>> 
>> git clone -b borg_usb_dev https://github.com/gozora/rear.git
>> 
>> PR against ReaR upstream master was not done yet, as I need to do some 
>> more testing first.
>> 
>> Here are some recommendations:
>> 
>> 1. Target USB device must be formatted with rear `format -- 
>> <usb_device>' (this needs to be done only once and will obviously wipe 
>> your <usb_device>)
>> 
>> 2. <usb_device> can't be mounted when `rear mkbackup/mkrescue' is 
>> triggered (error that device is already mounted will be thrown by 
>> ReaR).
>> 
>> 3. USB_DEVICE=/dev/disk/by-label/REAR-000 (in local.conf) is used to 
>> point to backup destination.
>> 
>> 4. As always when dealing with USB backups, carefully double-check 
>> device mapping when doing `rear recover'. It happened couple of time 
>> in the past that source disk partition information was destroyed 
>> because of bad user decision!!!
>> 
>> I've used following configuration during my tests:
>> 
>> ====
>> OUTPUT=USB
>> BACKUP=BORG
>> 
>> USB_DEVICE=/dev/disk/by-label/REAR-000
>> 
>> BORGBACKUP_REPO="/my_borg_backup"
>> BORGBACKUP_UMASK="0002"
>> 
>> BORGBACKUP_PRUNE_WEEKLY=2
>> 
>> BORGBACKUP_ENC_TYPE="keyfile"
>> export BORG_PASSPHRASE="S3cr37_P455w0rD"
>> 
>> export BORG_RELOCATED_REPO_ACCESS_IS_OK="yes"
>> export BORG_UNKNOWN_UNENCRYPTED_REPO_ACCESS_IS_OK="yes"
>> 
>> BACKUP_PROG_EXCLUDE=( ${BACKUP_PROG_EXCLUDE[@]} '/mnt' '/media' 
>> '/var/tmp/*' '/tmp' )
>> GRUB_RESCUE=n
>> 
>> COPY_AS_IS_EXCLUDE=( "${COPY_AS_IS_EXCLUDE[@]}" )
>> COPY_AS_IS_BORG=( '/root/.config/borg/keys/' )
>> 
>> SSH_UNPROTECTED_PRIVATE_KEYS="yes"
>> SSH_FILES="yes"
>> ====
>> 
>> Best regards
>> 
>> V.
>> 
>> On Wed, 7 Feb 2018, Vladimir Gozora wrote:
>> 
>>> In theory, you MAYBE could use OUTPUT=USB and point your 
>>> BORGBACKUP_HOST to localhost. This might work but I've never tried 
>>> it.
>>> 
>>> Best regards
>>> 
>>> V.
>>> 
>>> On Wed, 7 Feb 2018, Sascha Marcel Hacker wrote:
>>> 
>>>> But if you set up borg, you have to set the borg repo host.
>>>> It does not saves the backup on the USB device,it only saves the 
>>>> environment for rear.
>>>> 
>>>> See: https://github.com/rear/rear/blob/master/usr/share/rear/conf/examples/borg-example.conf
>>>> 
>>>> Nice software, quite good for big envirments with many PCs.
>>>> I thinks its also nice for little home PC envirments to backup all 
>>>> data.
>>>> But in my case my home server is the biggst server in the house and 
>>>> its manage all my DHCP and DNS settings. (i know not the best 
>>>> solution but
>>>> very simple to manage and it save much energy)
>>>> If this one is down, i hove no ssh server to recover this maschine.
>>>> The only way is to setup a new standalone backup server or every 
>>>> time setup one pc as server wenn the mainserver is down.
>>>> An the other hand the home server is also a backupserver for the 
>>>> windows maschine with AD and roaming profiles.
>>>> 
>>>> 
>>>> 2018-02-05 16:13 GMT+01:00 Robert Owens <rowens at fdrinnovation.com>:
>>>>       In local.conf you can specify OUTPUT=USB (the default is 
>>>> OUTPUT=ISO).
>>>> 
>>>>       You might also want to check out backuppc.  Although it 
>>>> doesn't have support yet in ReaR, it only requires an ssh server and 
>>>> rsync
>>>>       (or tar) in order to do a restore.  It does file pooling, 
>>>> which is similar to the deduplication that borg does, but it does it 
>>>> on
>>>>       entire files rather than chunks.
>>>> 
>>>>       On 2/4/2018 11:15 PM, Sascha Marcel Hacker wrote:
>>>>       Hi, im am new at rear and also borg.
>>>>       I've been looking for a while now to find a good backup 
>>>> solution for my home storage server.
>>>>       It is a 5x2TB Raid system with ubuntu, with all of my 
>>>> dokuments, musik and family pictures I want to use it on.
>>>>       A backup solution with dedub, incremental, compression and 
>>>> with no down time is what i need.
>>>>       My previous backup soulution was a hotswap hdd for the system 
>>>> and a external hdd for the pictures and documents, all with tar
>>>>       and gzip.
>>>> 
>>>>       But now i am looking for a new solution, something like 
>>>> acronis backup.
>>>>       I compared many backup programs like rsync, zbackup, bacula, 
>>>> ... and all this has brought me to borg.
>>>>       The only thing thats missing is a disaster solution, because I 
>>>> like to tinker with the system.
>>>>       So i bought a new external 8tb hdd to safe the whole system 
>>>> on.
>>>> 
>>>>       In another forum i heard of rear and the option to choose borg 
>>>> as the backup backend.
>>>>       But for now i only found an example config with a network 
>>>> server. Is there any way to setup rear to use it with usb?
>>>> 
>>>>       Sascha
>>>> 
>>>> 
>>>> 
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>>>> http://lists.relax-and-recover.org/mailman/listinfo/rear-users
>>>> 
>>>> 
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>>>> 
>>>> 
>>>> 
>> 
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