[arch-devops] Let's change our primary backup to a managed storage box

Sven-Hendrik Haase svenstaro at gmail.com
Tue Jun 30 04:48:45 UTC 2020

On 29.06.20 22:12, Sven-Hendrik Haase wrote:
> On 26.06.20 22:38, Sven-Hendrik Haase wrote:
>> Hey all,
>> I want to suggest we change our primary backup box to a managed box,
>> namely a BX60 from Hetzner [0] for 40€/m with 10TB capacity. We
>> currently have a SB35 with 2x3TB in a RAID1. The current box (vostok) is
>> getting full and is sitting at 20% capacity remaining.
>> The storage box supports Borg and so it's unlikely that we'll have to
>> change our backup scheme.
>> Why a BX60 and not a BX50 even though the capacity would currently
>> suffice? I'd like to also start backing up the archive. The archive will
>> become more relevant in Arch as reproducible builds gain more popularity
>> and I think keeping the archive alive and well is an important part of
>> that. We currently do not back up the archive for capacity reasons but
>> we should start doing that. BX50 with its 5TB puts us too close to our
>> projected needs (roughly 2.3TB (current effective backup size) + 2.3TB
>> (archive)).
>> Advantages of a BX60:
>> - Less stuff to manage as Hetzner will handle disk failures and updates
>> for us
>> - More redundancy (FAQ says it can tolerate multiple disk failures while
>> we can currently only handle a single disk failure)
>> - Much higher capacity (about 3.4x as much)
>> Disadvantages:
>> - 10€ more per month
>> - We'll have to migrate (though probably pretty easy to do as the backup
>> stuff is pretty nicely ansibled)
>> - Only 10 connections allowed at once (workable for us but worth mentioning)
>> - We currently have no operating experience with storage boxes from Hetzner
>> What do you think?
>> Cheers,
>> Sven
>> [0] https://www.hetzner.de/storage/storage-box/bx60
> Since there are no naysayers and I'd really like a full archive backup
> soon, and since Bluewind told me in IRC that the boxes work well, I'll
> just go ahead now get a BX60.
> I'll then sync vostok to that box overnight and after verifying that I'm
> able to read/write backups from all current backup clients on the new
> box, I'll start decommissioning vostok. I won't delete any data or
> cancel boxes without at least one other person checking that work, though.
> Wish me luck!
> Sven

vostok has been entirely migrated to the new storagebox with success.
See https://gitlab.archlinux.org/archlinux/infrastructure/-/issues/51
and linked MR.

I've also started backing up the archive now as promised. We'll let all
of this run for a few days and if all seems fine I'll erase and cancel


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