Re: [gentoo-amd64] Re: initio seen, mt -f doesn't work

[Gavin Seddon]

Will stick with 2.6 kernel and buy usb2 hard drive.



On Mon, 2005-12-19 at 10:45 -0500, Drake Donahue wrote:
> usb2.0 external hard drive has to be feasible. less than a $100 for 80gb.
> nominal 60MB/sec.
> usb2.0\1394b external hard drive. less than $300 for 300 gb. nominal
> 60MB\80MB/sec.
> ----- Original Message -----
> From: "Brett Johnson" <brett@××××.com>
> To: <gentoo-amd64@l.g.o>
> Sent: Monday, December 19, 2005 9:28 AM
> Subject: Re: [gentoo-amd64] Re: initio seen, mt -f doesn't work
>
>
> > On Mon, Dec 19, 2005 at 10:23:56AM +0000, Gavin Seddon wrote:
> >> The Fedora is 2.4 kernel which I will migrate to today and if this
> >> doesn't solve my probs. I will swap my scsi controller.  If I remove my
> >> tape, what should I do with it?  (don't be rude)
> >>
> >> I have been obsessed with backups since the time when I lost 2/3 of a
> >> book and had to spend eternity recreating.  Any 'better' removable
> >> storage device suggestions are welcome.  Bearing in mind it needs to
> >> hold ~15Gb and a removable hd isn't feasible.
> >>  Gav.
> >
> > I am not sure what you're saying about migrating and removing the tape.
> > If you mean you're going to install Fedora (2.4 kernel), then I would
> > assume your tape drive will work fine. It appears that your scsi card is
> > not fully supported in the 2.5/2.6 kernel.
> >
> > If you're looking for alternate solutions to use with gentoo/2.6 kernel,
> > then I would suggest investing in a new scsi card. The tape drive and
> > cable should be fine (assuming proper maintenance of the tape drive).
> >
> > I personally have moved away from tape for smaller data sets ( < 100GB
> > ), as tape has some issues. First, you need to keep the tape head clean
> > and second tape media  has a limited useful life span. I have been
> > burned a couple times by defective tape media in a restore situation.
> >
> > If an external hard drive is out, how about removeable hard drives?
> > Remeber, the point of a backup is just to keep the data in multiple
> > places. You can easily add a removeable drive cage to a system and
> > purchase a couple extra caddy's. This way you can alternate between 2
> > or 3 removable hard drives for backup devices. Some removeable trays
> > support key locks, in case you're worried about physical security.
> >
> > The method I use is the dar program in conjunction with cdrecord-prodvd.
> > I create a full backup monthly, then create a weekly incremental against
> > the full backup, and then daily backups against the weekly. This method
> > only requires me to burn multiple dvd's once a month (as my monthly
> > backup is in excess of 20GB). After that, I get away with one extra dvd
> > per month (ymmv). For a recovery scenario, I may have to go through
> > multiple restores to bring the system current, but thats a trade off I
> > make to save on media.
> >
> > Those are just a few ideas. There are many other ways to backup data. I
> > believe there is even an online service you can sign up for, and back up
> > to their servers. IIRC you pay by the backup size in 10GB increments.
> >
> > Backup solutions are unique to each enviroment and use.
> > Things to consider are; hard costs of backup hardware and media, time
> > required to perform backup and does data have to be taken offline, ease
> > and automation of backup, time required to restore data, ease and
> > automation of restore, and physical storage of backup media (it doesn't
> > do you any good to keep all your backups in the same building as the data
> > if the building burns down). I am sure there are other factors too, this
> > is just to give you an idea of things to think about when trying to
> > come up with a new backup solution.
> >
> > Brett
> > --
> > gentoo-amd64@g.o mailing list
> >
> >
>
-- 
Dr Gavin Seddon
School of Pharmacy and Pharmaceutical Sciences 
University of Manchester
Oxford Road, Manchester 
M13 9PL, U.K.

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