Re: Migration of services - 10. primary archive

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On Sunday 20 December 2020 01:34:29 pm Slávek Banko via tde-users wrote:
> Dne Sunday 20 of December 2020 18:12:25 Michael via tde-users napsal(a):
> > On Sunday 20 December 2020 12:02:26 am Michele Calgaro via tde-users
>
> wrote:
> > > On 2020/12/20 04:00 AM, Slávek Banko via tde-users wrote:
> > > > We may consider placing the primary archive in a hosting center -
> > > > for example, by purchasing larger disks for tde-box or by increasing
> > > > the space provided for tde-vps. However, it will probably be a good
> > > > idea to consider such changes only after we are able to manage the
> > > > project funds and accept donations.
> > >
> > > This is defintely something we will need to do in future, to move away
> > > from possible one-person-dependant services. I agree with you we need
> > > to figure out how to handle donations and project funds, then we can
> > > relook at this.
> >
> > In that vein (away from possible one-person-dependant services):
> >
> > - How big is the archive?  (<250GB?  ~4TB?)
> > - How simple is it to back it up? (a few rsync’s?  tarball?)
> >
> > I have no issues storing a copy, or two, of the archive on one of my
> > backup servers (which are in hosting centers).
>
> I'm glad you're interested in the details.
>
> Current size and occupied space of the partition:
> /dev/mapper/lvm1-tde_data        400G  336G   65G  84% /srv/tde
>
> A subset of this volume is synchronized to the mirror system. First to the
> primary mirror, from which the other mirrors are then synchronized. This
> synchronization usually takes place several times a day, with pauses of 3
> hours between the individual synchronizations.
>
> The size always decreases significantly at the moment of release, when the
> contents of the official repository and PSB are identical. The size of the
> repository is now constantly growing again as the packages in PSB are
> built for R14.0.10~pre. Such an increase can be almost 100 GiB. At the
> same time, there is a gradual increase in volume when adding support for
> new distributions.
>
> During the outage, which I announced in early December, I replaced my home
> server's hardware with slightly newer components, including the purchase
> of new, larger disks. So now I have a sufficient reserve of disk capacity
> again.
>
> The specified partition is on two disks (RAID1). In addition to these
> disks, I make a regular daily local backup on an external usb disk. The
> backup disk requires significantly more capacity, as the daily differences
> can be large - from hundreds of MiBs to tens of GiBs. Next to this, I'm
> making a copy of the archive on my next machine in a remote location (two
> disks in RAID1). Copying to this remote location is not regular yet.

Hi Slávek,

Lol, interesting, but TMI ;)

- What’s the max size you’ve ever needed?
- How many unique backups do you want? *
- Rsync fine?  Push?  Pull?(what are the paths and creds?) **
- cron every 4 hours okay?

It’ll take half an hour to setup, and I guess we can stop spamming the rest of 
the list, so just send to me personally for the rest...

Best,
Michael
michael@

* I’ll do one here at home off of one of my servers as well.
** I prefer pull, but just from a security issue of not giving people access 
to my servers.
PS:  I’ll send you a copy of my final script so you can automate the remote 
location you were talking about too.
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