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Month: September 2020

[trinity-users] Re: data recovery - recommendations & strategies

From: William Morder via tde-users <ml-migration-agent@...>
Date: Thu, 10 Sep 2020 21:58:58 -0700

On Thursday 10 September 2020 20:04:41 BorgLabs - Kate Draven via tde-users 
wrote:
> > On Thu September 10 2020 15:49:21 BorgLabs - Kate Draven via tde-users
>
> wrote:
> > > Sage advice. Advice I follow with redundancy.
> > > I back up important stuff to a "backups" directory, then /home to
> > > another internal drive, which is raided with another. Then to 2
> > > external drives.
> > >
> > > I also make DVD backups.
> > >
> > > I lost data once, about 22 years ago. I had to start from scratch.
> > > Never again.
> >
> > I can't afford the time for DVD backups these days but a lot of
> > our stuff is mirrored, plus sets of three rotating hard drive
> > backups via rsync over ssh.  Your top risk factor then is human
> > error.
> >
> > An unfortunate young lady sysadmin in our group circa 1980
> > mistyped a tar-pipe-tar disk-to-disk backup command pipeline
> > and with the pipe buffer then being a fixed 4KB managed to
> > truncate every file on the server to 4KB.  Took her several
> > days to reinstall and reconfigure and recover from the weekly
> > tape backup but she succeeded.
> >
> > I once accidentally deleted the wrong LVM volume group when
> > reorganizing our backup system.  After a screw-up like that
> > it's important not to thrash around and possibly corrupt any
> > deleted data.  After much studying and heartburn vgcfgrestore
> > fixed things perfectly in an instant.
> >
> > --Mike
> > _______________________________________________
>
> HUMANS? Mike, you need to spray for those.
>
> Sounds like you have a good setup.
>
> Me, however, I'm old fashioned. I don't believe in anything other than
> local backups drives (some redudants are stored off site for safety) and
> DVDs. I have a MASSIVE collection of DVDs books spanning back to 1995. I
> just popped one in from 96 and copied the data to an ssd, just to see if I
> could do it.
>
> No school like old school.
>
> But seriously Mike, spray for those humans. They have diseases.
>
>
> Kate
>

Humans are worse than cockroaches or bedbugs. Never can get rid of them, and 
they destroy everything they touch -- the planet, for instance. 

Bill
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