RE: Backups
From: Nathan (nathan.grandbois@cerdant.com)Date: 08/21/02
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From: "Nathan" <nathan.grandbois@cerdant.com> To: "'George Chip Smith'" <GDSmith@lbl.gov> Date: Wed, 21 Aug 2002 10:52:04 -0400
Heh, my two cents:
# Nathan: what are your safegaurds about keeping backups using your
# systems, concerning unauthorized access to potentially sensitive data of
# your users?
Data is encrypted before it leaves the customer server and is stored
encrypted on the vaults. The customer is the keeper of the encryption
password so even vault technicians can't view data.
# Do you have a big pipe into your machines?
5 Vaults in North America currently with OC-3 (155.52Mbs) connections
# How does it respond under hig user load? Bandwidth is not an issue. When
utilization reaches 50% additional bandwidth is added to meet demand.
#Most people don't have huge pipes out of their offices, the big pipes are
at
# the co-locations. Even at 45Mb/s, it
# is gonna take a long time to back up and then what happens as his backups
of
# his filesystems grow in size...networking is still expensive.
An enterprise that has 30-35GB of data is going to have at least T1
connectivity (1.544Mbs) After the initial seed daily backups would take
approximately 30 minutes. Don't forget the dailies are only taking the
changed bits and not the entire file like traditional tape backups. Add
compression and your on your way.
# I would recommend the tape technologies. You can do all the full
# backups, and your incrementals, and there is some pretty good software
# out there to do that. And keep a copy offsite, always a wise
# precaution... If you want something that works *pretty* good look at
# frogtree or something....
I will say that Online backup is not for everyone - Dialup users, data >
100GB/location but following are a few reasons companies prefer online data
backup/recovery to tape:
1) Centralized Administration - All backups can be controlled from single
workstation regardless of server location
(If you can touch the network remotely you can admin. from anywhere in the
world)
2) Data is backed up offsite immediately in a *secure tier 1 facility*
3) Reliable:
- Eliminate data corruption associated w/tape - How much is your data
worth?
- Human error is taken out of the loop. The system can't forget to
replace, mislabel or drop a tape.
4) Available for immediate retrieval 24x7x365 - Single file or entire
server/PC image
5) Eliminate tape, hardware and administrative costs
6) Encryption options to protect privacy
7) Automated backup allows you to concentrate on the core business vs.
administrative tasks - Lights out operation
8) Scalable - As your data grows there is no need to purchase additional
backup hardware or media
-Nathan
-----Original Message-----
From: George Chip Smith [mailto:GDSmith@lbl.gov]
Sent: Tuesday, August 20, 2002 2:38 PM
To: nathan.grandbois@cerdant.com
Cc: 'Jake Scobie'; 'Tim Donahue'; security-basics@securityfocus.com
Subject: Re: Backups
Heh, my two cents:
Nathan: what are your safegaurds about keeping backups using your
systems, concerning unauthorized access to potentially sensitive data of
your users? Do you have a big pipe into your machines? How does it
respond under hig user load? Most people don't have huge pipes out of
their offices, the big pipes are at the co-locations. Even at 45Mb/s, it
is gonna take a long time to back up and then what happens as his
backups of his filesystems grow in size...networking is still expensive.
I would recommend the tape technologies. You can do all the full
backups, and your incrementals, and there is some pretty good software
out there to do that. And keep a copy offsite, always a wise
precaution... If you want something that works *pretty* good look at
frogtree or something....
Nathan wrote:
>Hey I'm just tech support for it so I don't really care if you use it or
>not. I'm just telling you what I think it's better. So yes I do work there.
>And the 35 gb would take more than one night. But that would only be when
>you do the original backup. After you have it seeded, the only data backed
>up is the changed data, so it wouldn't be 35 gb each night being backed up
>the first time. Plus, add in compression handled by the software and your
>down to about 20-25 gb depending on the majority of file types. You don't
>have to worry about; paying someone to do tapes, offsite storage, the cost
>of the tapes, or keeping up with the schedule. The software literally does
>everything for you, and you can restore from any of the dates you have
>backed up to, assuming that it is in your retention schedule.
>
>Nathan Grandbois
>
>-----Original Message-----
>From: Jake Scobie [mailto:jscobie@comcast.net]
>Sent: Monday, August 19, 2002 7:29 AM
>To: nathan.grandbois@cerdant.com; 'Tim Donahue';
>security-basics@securityfocus.com
>Subject: RE: Backups
>
>
>That is unique claiming you use the software and you are not a sales
>person, yet your email is @cerdant.com. So obviously you must at least
>work there no? I find it odd that just a standard user would get an
>email from a company for only "using" the softwares. Plus he wants to
>back up 35GB using an online connection? That would probably take days,
>versus a night like he needs.
>
>-----Original Message-----
>From: Nathan [mailto:nathan.grandbois@cerdant.com]
>Sent: Friday, August 16, 2002 3:01 PM
>To: 'Tim Donahue'; security-basics@securityfocus.com
>Subject: RE: Backups
>
>You want a reliable, secure, unmanned backup? Visit www.cerdant.com They
>provide online data backup to a "vault" at several locations across
>North
>America. I work with this software and I'm not sales so I'm not getting
>anything from this, but let me tell you. The software takes 10 minutes
>to
>setup and install and you never have to touch it again. It can restore
>from
>any date you have previously backed up to and it's way cheaper that
>tape.
>Email me for more info...
>
>Nathan Grandbois
>
>-----Original Message-----
>From: Tim Donahue [mailto:TDonahue@haynesconstruction.com]
>Sent: Wednesday, August 14, 2002 10:59 AM
>To: security-basics@securityfocus.com
>Subject: Backups
>
>
>I know that this is kind of off topic, but I have a question about
>backups.
>We need to replace our existing tape drive, and we were wondering if
>anyone
>has any advice on what we should get. We will be backing up about 30 GB
>-
>35 GB a night. I was looking to use an internal DLT or AIT drive, but I
>am
>open to other technologies.
>
>Just to keep it sort of on topic, what security concerns are there with
>backups? Is there really anything that we need to worry about if we
>keep
>our tapes in a secure location?
>
>Tim Donahue
>
>
>
>
>
-- This is your world ... you can live for yourself today or help build tomorrow for everyone. -- VNV Nation, Foreward ************************************************************* * George 'Chip' Smith * Lawrence Berkeley Lab * * GDSmith@lbl.gov * National Energy Research * * (510) 495-2674 * Scientific Computing Center * *************************************************************
- Previous message: Jason Kohles: "RE: Warless Bleeding - How to stop it?"
- In reply to: George Chip Smith: "Re: Backups"
- Next in thread: Jonathon Hocut: "Re: Backups"
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