Big Backup

[Guest MarcusB]

Can anybody suggest what kind of backup should I use for backup of 10TB

data on the RAID array. Before we had Only 1TB than I was using external

USB disks for backup. Full backup one time per week and incremental

everyday.

I am really lost now.To backup 10TB I need 10 USB disks, it is almost

nightmare.

Any better cheap solutions????

 

MarcusB

[Guest Brian Cryer]

Re: Big Backup

 

"MarcusB" <marcus@msl.ll.se> wrote in message

news:ezkTj4PlIHA.5956@TK2MSFTNGP03.phx.gbl...

> Can anybody suggest what kind of backup should I use for backup of 10TB

> data on the RAID array. Before we had Only 1TB than I was using external

> USB disks for backup. Full backup one time per week and incremental

> everyday.

> I am really lost now.To backup 10TB I need 10 USB disks, it is almost

> nightmare.

> Any better cheap solutions????

 

I can't help with the storage requirement, although presumably you could try

compressing the disks. How much compression you get will of course depend

very much on the type of data. You might find that if you are using say 2TB

of your 10TB array that you might be able to get away with backing up to a

single 1TB disk. If you can (for now) then be sure to keep an eye on it.

 

As for time, are these system files that you are backing up, database files

or documents? A system backup requires ntbackup or the equivalent, so no

shortcuts there that I know of. Similarly a database backup needs to be done

via the appropriate database utilities and again probably require a full

backup of the databases. If however the bulk of what you are backing up are

normal files then you can get away with the equivalent of an "xcopy /d" to

copy to the external disk just those files that are new or have changed.

After the first backup this will substantially reduce the amount of time

required because (again in most instances) very few files change from week

to week. If you want to take this a step further and delete the files from

the backup that no longer exist on the source then a utility such as crycopy

(http://www.cryer.co.uk/downloads/crycopy/CryCopy.zip - sorry no formal

write up yet) might do what you need (although it does allow for copying

across disks).

 

Hope this helps. Lots of data is always a pain for backup. Whatever you do

be sure to maintain at least one full backup off site always (hence media

for two or three complete backups as a minimum).

--

Brian Cryer

http://www.cryer.co.uk/brian

[Guest MarcusB]

Re: Big Backup

 

Hi and thanks for your suggestions.

All data are users data. We have 2000 users and every user have 5GB

quota on the server. So far users have 7TB data. Next year we will have

5000 users and the amount of data will rise to more than 25TB. I have

problem with backup now, and what it will be in the future.

So far I have second array of disks for backup in the another room i the

another building. But how to have such big amount of data off line??????

When I started working at the company there was only 100 users and I

used to make backup to the external USB drives, and I was keeping some

drives off line.

We are Non profit organization thus we do not have so much money for

very expensive solutions. Any more suggestions???

 

 

MarcusB

 

 

Brian Cryer wrote:

> "MarcusB" <marcus@msl.ll.se> wrote in message

> news:ezkTj4PlIHA.5956@TK2MSFTNGP03.phx.gbl...

>> Can anybody suggest what kind of backup should I use for backup of 10TB

>> data on the RAID array. Before we had Only 1TB than I was using external

>> USB disks for backup. Full backup one time per week and incremental

>> everyday.

>> I am really lost now.To backup 10TB I need 10 USB disks, it is almost

>> nightmare.

>> Any better cheap solutions????

>

> I can't help with the storage requirement, although presumably you could try

> compressing the disks. How much compression you get will of course depend

> very much on the type of data. You might find that if you are using say 2TB

> of your 10TB array that you might be able to get away with backing up to a

> single 1TB disk. If you can (for now) then be sure to keep an eye on it.

>

> As for time, are these system files that you are backing up, database files

> or documents? A system backup requires ntbackup or the equivalent, so no

> shortcuts there that I know of. Similarly a database backup needs to be done

> via the appropriate database utilities and again probably require a full

> backup of the databases. If however the bulk of what you are backing up are

> normal files then you can get away with the equivalent of an "xcopy /d" to

> copy to the external disk just those files that are new or have changed.

> After the first backup this will substantially reduce the amount of time

> required because (again in most instances) very few files change from week

> to week. If you want to take this a step further and delete the files from

> the backup that no longer exist on the source then a utility such as crycopy

> (http://www.cryer.co.uk/downloads/crycopy/CryCopy.zip - sorry no formal

> write up yet) might do what you need (although it does allow for copying

> across disks).

>

> Hope this helps. Lots of data is always a pain for backup. Whatever you do

> be sure to maintain at least one full backup off site always (hence media

> for two or three complete backups as a minimum).

[Guest Anthony [MVP]]

Re: Big Backup

 

Hi Marcus,

You might look at a couple of things:

- Analysis of the data to see what it is: what type, what age etc.

- Archiving of unused data to secondary storage (where it does not need to

be continually backed up)

That could reduce your online storage and your regular backup by a very

large amount. No point in providing expensive technology for worthless data,

Anthony,

http://www.airdesk.co.uk

 

 

 

 

"MarcusB" <marcus@msl.ll.se> wrote in message

news:e3cX4NblIHA.1184@TK2MSFTNGP04.phx.gbl...

> Hi and thanks for your suggestions.

> All data are users data. We have 2000 users and every user have 5GB quota

> on the server. So far users have 7TB data. Next year we will have 5000

> users and the amount of data will rise to more than 25TB. I have problem

> with backup now, and what it will be in the future.

> So far I have second array of disks for backup in the another room i the

> another building. But how to have such big amount of data off line??????

> When I started working at the company there was only 100 users and I used

> to make backup to the external USB drives, and I was keeping some drives

> off line.

> We are Non profit organization thus we do not have so much money for very

> expensive solutions. Any more suggestions???

>

>

> MarcusB

>

>

> Brian Cryer wrote:

>> "MarcusB" <marcus@msl.ll.se> wrote in message

>> news:ezkTj4PlIHA.5956@TK2MSFTNGP03.phx.gbl...

>>> Can anybody suggest what kind of backup should I use for backup of 10TB

>>> data on the RAID array. Before we had Only 1TB than I was using external

>>> USB disks for backup. Full backup one time per week and incremental

>>> everyday.

>>> I am really lost now.To backup 10TB I need 10 USB disks, it is almost

>>> nightmare.

>>> Any better cheap solutions????

>>

>> I can't help with the storage requirement, although presumably you could

>> try compressing the disks. How much compression you get will of course

>> depend very much on the type of data. You might find that if you are

>> using say 2TB of your 10TB array that you might be able to get away with

>> backing up to a single 1TB disk. If you can (for now) then be sure to

>> keep an eye on it.

>>

>> As for time, are these system files that you are backing up, database

>> files or documents? A system backup requires ntbackup or the equivalent,

>> so no shortcuts there that I know of. Similarly a database backup needs

>> to be done via the appropriate database utilities and again probably

>> require a full backup of the databases. If however the bulk of what you

>> are backing up are normal files then you can get away with the equivalent

>> of an "xcopy /d" to copy to the external disk just those files that are

>> new or have changed. After the first backup this will substantially

>> reduce the amount of time required because (again in most instances) very

>> few files change from week to week. If you want to take this a step

>> further and delete the files from the backup that no longer exist on the

>> source then a utility such as crycopy

>> (http://www.cryer.co.uk/downloads/crycopy/CryCopy.zip - sorry no formal

>> write up yet) might do what you need (although it does allow for copying

>> across disks).

>>

>> Hope this helps. Lots of data is always a pain for backup. Whatever you

>> do be sure to maintain at least one full backup off site always (hence

>> media for two or three complete backups as a minimum).