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Hard disk imaging / data backup?

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Hi,

I have a couple of questions regarding the hard disk imaging / data backup which are creating some confusion for me.

1 - I just want to know that If I have a 20GB hard drive imaged on a cd & in case my 20GB hard drive got damaged, then can i use that 20gb imaged cd to restore the system on a new 40gb hard drive on the same machine? i.e only change in the system is hard drive & all the components in the system are same.

2 - I have a 20GB hard drive filled with data & only available free space on this 20GB hard drive is 150MB. Now my question is this , that, can i image all 20GB hard disk ( including all systems files & data store on my disk i.e complete disk imaging ) & then restore that image created from the 20gb hard diskto a new 40GB hard drive on the same system?

Also if I make a complete 20GB image on cd-r/cd-rw then can i make this 20gb hard disk image on a single cd? or on multiple cd's? & how can I restore the image from single or multiple cd's back on a new 40gb hard drive on the same system?

Hope that all above is understandable.......:)

If someone need some further info regarding this then pls let me know.

Awaiting helpful reply as always.

Thanks & Regards / Sulman

5 replies

by jockel_carter

Second: If you use a plug and play operating system like XP the new larger drive will not make any difference. See number one below for the caveats.

First: you will not be able to get a 20GB image on to the CD-R. Unless you will be creating the image with a product like Ghost you will find this difficult. Ghost will take the hard disk and create an image that will "split" at 2GB. This is a hard limit. You can "split" the image at a size that will fit onto a CD. Burning directly to a CD is something Ghost will do with only a little extra effort. You should review their literature for the best process in your circumstances.

by jennifern

Imaging to CD (with a product like ghost) is fine, if it is just the static info you want to backup, such as applications/registry settings etc.

But computers are rarely static, and to have to keep ghosting is not an efficient way to work.

Perhaps instead you could get a second HDD for your machine, and have the machine run mirroring (where the disk is dynamically being copied to the second disk) so the second disk can take over if the first fails. Mirroring can be SW (operating system) driven in NT, 2K - I don't know about XP.

Alternatively, get a tape backup - this is by far the most flexible option.

by omie

1. If you want to replace the hard drive ...you could do a disk copy using the Symantec(Ghost), Power Quest, or even the Hard drive utilites that comes with when you purchase one. This is done on EIDE drives not on scsi drives. Please take note thatyou do the disk copy on a DOS mode or PC DOS that is why I did mention that the drives are EIDE because in SCSI you wil need the driver for the SCSI controller before the drives could be recognized.

2. The mirroring is not posible in NT nor XP workstations even you have scsi drives (which I doubt). Mirroring feature is just for servers.

3.Well if you plan to make a back up using CD-R please bear in mind that you will be using so many disk..( 1 CD-r holds only 700mb) so better buy the hard drive you need before your drive will get corrupted. Although you have a free space right now, it might not be enough.

by paulo540

Even if one were to use a image program such as (symantec) Ghost, the maximum data that can be spanned is 2 GB. This is due to the FAT (16) file system used by CD to store data. Therefore, you can not make a continous image of 20 GB. Okay, now to a possible solution. I would suggest obtaining either a MB with ATA RAID built in, or buying a promise RAID card to plug into your current MB. From there you could configure the RAID BIOS (firmware) to raid 1 (mirroring) with two like drives. You then have complete redundancy with the only drawback being slower operation due to the doubling of data being written. Hope this helps.

by ghstinshll

put both drives in the system, install Ghost 2002 on there, and image straight from the 20 to the 40 in one swipe... It's possible without CDs...

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