Re: Best Backup Practices
- From: Joe <Joe@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Sun, 28 Aug 2005 21:48:01 -0700
Pardon the Break-in to this post, but I want to say it's a Great post. Thanks
to all of you for the information! You have given me a lot of good direction
and understanding.
Two additional questions if I may :
(1) No one mentioned (I don't think) using the ASR backup feature. Do you
throw that in there at any given interval?
(2) Do you believe that the built in SBS backup is sufficent or is there a
point that a outside utility is required?
"James" wrote:
> Thanks for your very well thought out answer. I believe that says it all.
>
>
> "Leythos" <void@xxxxxxxxxxx> wrote in message
> news:MPG.1d780d98b0bd3a6e989d1e@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> > In article <#pkUcAcqFHA.3788@xxxxxxxxxxxxxxxxxxxx>, "James" <nospam>
> > says...
> >> Thanks Leythos for your considerable help. I am very appreciative. One
> >> more
> >> question though. Why do you think a tape backup system is better than a
> >> HD
> >> one? (This has been a long thread but if you recall I was initally *set*
> >> on
> >> a DVD set up. I know the limitations od DVD now but what about a
> >> combination
> >> DVD HD backup system?)
> >
> > For the servers in my home, the servers in the business I own, for
> > clients across the USA and India, we use the following method:
> >
> > 1) install a dedicated backup disk drive large enough to hold 4 full
> > backups
> >
> > 2) Run nightly backups, store backup file on "backup drive"
> >
> > 3) Run tape backup at any time to backup most recent back from backup
> > drive to tape.
> >
> > Wost case we do a backup to online disk, not a removable, and then
> > backup that disk to tape.
> >
> > The reason we back to a dedicated internal disk is that it's quicker to
> > backup and also restore from, takes less CPU time in many cases, and
> > let's us run the backup to tape during any hour with little impact on
> > the system performance.
> >
> > In a couple cases we have a single tape drive without an autoloader, the
> > backups require 3 tapes, so, we backup to disk at 11:30 every evening
> > and then, while the local network admin is there during the day, we do a
> > backup from the Backup Disk to tape so that he can change the tapes
> > during normal business hours.
> >
> > The backup to Disk also permits us to make copies of the backup and move
> > them across the network to a storage array or another server for
> > storage.
> >
> > We have one client with a 1.3TB array that holds 9 different servers
> > backups - each server backs up to its own BACKUP DRIVE and then kicks
> > off a copy to the TB Server over a dedicated gig network.
> >
> > The TB server holds 7 tapes in its autoloader and runs during normal
> > hours - the server backups also run at 11:30PM and are complete by 4AM
> > most nights.
> >
> > The reason we had to do the dual layer approach was that tape backups
> > were taking almost 17 hours and that means many files were being missed
> > - my doing a server to disk we get it in a few hours so we don't miss as
> > many files.
> >
> > As for the reason I don't like removable - well, lets say "G-Shock" and
> > to many failure points. With tape I've only had one drive fail in many
> > moons, I've seen USB devices take down servers and workstations more
> > times than I can count.
> >
> > If you install a single drive for backups, internal, and then do a
> > backup to multiple DVD (third party software required), I would have no
> > issues with that. I use cheap SCSI or SATA since I can hot swap those if
> > they fail. I also keep a spare drive for each type in the servers onsite
> > in case of a fault. So, if you have room in the server case, get a large
> > IDE or SATA drive (unless you want to spend the money on SCSI) and set
> > it up as a BACKUP DRIVE, then if it fails you're only out a backup for
> > the time it takes you to notice.... Then burn to DVD during the day so
> > you can swap DVD's as you span them.
> >
> > I know people seem to love USB/Firewire portable drives, but there is
> > just nothing as reliable as tape on the market yet.
> >
> >
> > --
> >
> > spam999free@xxxxxxxxxx
> > remove 999 in order to email me
>
>
>
.
- References:
- Best Backup Practices
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- Re: Best Backup Practices
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