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#11
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Question about backups with Ghost
"Andy" wrote:
When Windows sees two identical drives, it changes the disk signature of the second one. So if you want to be able to boot the clone, save a copy of the orignal drive's MBR. When it becomes time to boot the clone, replace the clone's MBR with the one you saved. Then you'll be able to boot the clone. Any utility that will clone a drive will also copy the MBR - either automatically or as a user-indicated option. Wanting a clone that doesn't have an MBR that will boot it is an exceptional - even pathological - case, so any utility worth its salt will copy the MBR. *TimDaniels* |
#12
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Question about backups with Ghost
"Rod Speed" wrote in message ... When I upgraded to XP in 2003, I decided to discontinue this procedure after talking with M$ tech support. They suggested it might not be a good idea. They're wrong. I tend to agree, because as I said I've had the clone active for hours without the slightest issue. The idea apparently is that NT/2K/XP can get identical folders and files confused on the two drives, which won't cause a problem if that drive stays on line continually. This sounds specious to me, as how could the OS confuse two different drive letters? Anyway, in the interest of safety I still try to keep the clone detached when possible. However, see quotes at the end of this message. Now I have five old but working IDE HD's in mobile racks that I rotate for weekly cloning. If I need a file from one of those HD's, I insert it in my USB2 mobile rack and extract it. This introduces this clone to the system, but I've never had a problem. You wont as long as you dont boot it. Don't boot with what? The clone? If you clone a new drive and then use it as the replacement for C:, you've just booted from the clone, and I've done this many times. If you mean boot with the clone with the original drive also on line, that is outside my experience, but I can't imagine ever doing it. When I've done it in the past I get a "configuring new hardware" window, but that's it. True Image is much better and you dont have to boot from floppy or CD if you dont want to. Perhaps, but cloning in Ghost 2003 has become a ritual for years, and it has never failed me. If it ain't broke.... Also, I like to have a bonding experience occasionally with DOS for old time's sake. I do it every Sat. morning and not doing so would prolly confuse me for the rest of the day. I'm still running the batch files once per hour, but D: now contains copies of critical folders, like business databases. So if I have a failure of C:, I can boot from my most recent clone and be up and running, missing only the files created or changed since that clone was made. Copying the files dutifully backed up to D: in the interim back to C: restores the status quo. Program updates and new installs are not covered by this procedure, but that's something I'll deal with in due time. His approach gets it booted off the D drive much more quickly. The only thing he has to do is unplug or depower the C drive for the first boot of the D drive. He can plug it back in again or repower it after XP has booted and rebooted once and can get any files that have changed since the last backup off the C drive in that config too if the C drive isnt too bad and still spins up and mounts. It would be easier, as I experienced for years with Win98SE, but I still would rather be safe in dealing with XP. M$, Symantec, and Radified Ghost (http://ghost.radified.com/ghost_1.htm) have warned against this practice. I won't say it can't be done, but the spectre of a problem is enough to keep me away. Here are two quotes from users (Radified Ghost, p. 13): --------- Quote #1: Your section on Cloning makes no mention of removing the newly created drive from the system. Failure to do so before rebooting will annihilate your registry. We were moving an OS to a second drive. When cloning, you must remove the cloned drive before rebooting into Windows. Windows will look at the system, scan the registry, realizes its duplicated and deems it's corrupt. Then it creates a new, blank registry, and carries on with that. I tried restoring the registry from the command prompt, but alas nothing. Live and learn. --------- Quote #2: As I understand this issue, Windows XP "knows" which hardware was installed when it is shut down. XP has attached a volume identifier to each volume. When XP is restarted, it redetects the hardware and if the same, all is well. When a disk is cloned, disk-to-disk, there will be two volumes with the same volume identifier. If the computer is restarted with both harddisks (the "source" and the "clone") installed, XP will start from the "source", detect the "clone" as new hardware and change the volume identifier since there can not be two volumes with the same volume identifier. Nothing will be detected by the user until he/she takes out the "source" and makes the "clone" the boot drive. Now, XP can not boot because of the changed volume identifier. The solution is simple when Ghost 2003 is used to do the disk-to-disk cloning. You don't let Ghost reset the computer and restart Windows but turn off the computer and remove the "clone" before restarting. How this is done using Ghost 9 I don't know. ---------- Quote #3 from Symantec (http://tinyurl.com/gh35f): CAUTION: Do not start the computer after cloning until the instructions say to do so. Starting a computer from the hard drive when the computer has two Active partitions can damage program installations and trigger configuration changes that you might not be able to reverse without restoring backups. ---------- End of quotes |
#13
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Question about backups with Ghost
"Andy" wrote in message ... When Windows sees two identical drives, it changes the disk signature of the second one. So if you want to be able to boot the clone, save a copy of the orignal drive's MBR. When it becomes time to boot the clone, replace the clone's MBR with the one you saved. Then you'll be able to boot the clone. Interesting. How do you do that? |
#14
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Question about backups with Ghost
"GTS" wrote:
"Jeff" wrote: Back up Drive C to Drive D so that if something gets screwed up i can simply remove Drive C and then the "D" drive would become an exact replacement which would pick up where "C" left off. Is this possible? [..............] If thiis is indeed possible....how can a backup drive which is a clone of the original boot at the same time as the system drive, how does windows know the difference? The hard drive at the head of the BIOS's hard drive boot order is selected to control the booting. In the DEFAULT case for most systems (those that whose hard drive boot order cannot or has not been reset), this order is: Master, IDE ch. 0, Slave, IDE ch. 0, Master, IDE ch. 1, Slave, IDE ch. 1. When you remove a hard drive from the head (top) of the list, the next one in order is selected for booting. Since most users connect the drive containing their operating system as Master on IDE ch. 0, that one gets control at boot time. Since the operating system is usually installed in an isolated drive with no other partitions at the time, the OS names its own partition "Local Disk (C", and it will know other partitions that come to its attention as "Local Disk (D", etc. Thus, when you boot while 2 hard drives are connected, the one set as Master on ch. 0 (where you have your "C" drive) will start booting. When you remove that drive, the next one, the one set as Slave on ch. 0 - your "D" drive - will start booting. The above is a crude form of multi-booting, but it will work as long as the partition containing the boot files (usually the same one that has the OS) is a Primary partition and it's marked "active". Cloning utilies will automatically mark the clone's partition "active" or it will offer it as an option, and there may be a similar option for putting the clone in a Primary partition or an Extended partition. *TimDaniels* |
#15
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Question about backups with Ghost
"Bob Davis" mused:
Interesting. How do you do that? :-) *TimDaniels* |
#16
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Question about backups with Ghost
"Bob Davis" wrote:
The idea apparently is that NT/2K/XP can get identical folders and files confused on the two drives, which won't cause a problem if that drive stays on line continually. This sounds specious to me, as how could the OS confuse two different drive letters? Anyway, in the interest of safety I still try to keep the clone detached when possible. The clone only has to be isolated from its "parent" OS when it's started for its first time. How it will confuse itself is quite mysterious, but i"ve seen it happen. Somehow, addresses of random files in the clone point not to files in the clone but to the correspondingly-named files in the "parent" OS. I spotted this happening in My Documents. You can go on editing and updating those documents in what you think is the clone, but they're really being edited and updated in the "parent". When you take the "parent" away, the documents suddenly are inaccessible in the clone. This is very bad for archiving and system backup, as you can imagine. But once the clone has been started up without its "parent" visible, it becomes an independent OS, able to live on its own - an "adult OS", if you will - and subsequently it can be started up with its "parent" visible to it without it forming any such linkages. The "parent" OS's partition appears as just another partition having a different letter assigned as its name - usually "D", so the "parent's" partition is known to the clone as "Locasl Disk (D". This startup isolation is not necessary for the "parent", though - the "parent" can be started up numerous times with its still unstarted clone entirely visible to it, and no linkages will be made between the two OSes. You can use this to your advantage to set the "active" flag in the clone's partition, to readjust entries in the clone's boot.ini file, to put a unique folder on the clone's Desktop to make it easily identifieable at startup, etc. - all before starting the clone for its first time. It's just necessary that the CLONE be started for its FIRST TIME in ISOLATION from its "parent". *TimDaniels* |
#17
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Question about backups with Ghost
Bob Davis wrote
Rod Speed wrote Bob Davis wrote When I upgraded to XP in 2003, I decided to discontinue this procedure after talking with M$ tech support. They suggested it might not be a good idea. They're wrong. I tend to agree, because as I said I've had the clone active for hours without the slightest issue. And I've had it active for a hell of a lot longer than that. The idea apparently is that NT/2K/XP can get identical folders and files confused on the two drives, Mindlessly silly. which won't cause a problem if that drive stays on line continually. Makes no sense either. This sounds specious to me, as how could the OS confuse two different drive letters? Maybe they were suggesting that the USER might get confused. Anyway, in the interest of safety I still try to keep the clone detached when possible. That is a bit safer if you want to protect yourself against the very unlikely possibility of the power supply dying and frying both drives at once. I prefer to protect against that possibility by having the drives on different PCs instead, and dont clone that much, I find that images have significant advantages, particularly with the new incremental images. However, see quotes at the end of this message. Now I have five old but working IDE HD's in mobile racks that I rotate for weekly cloning. If I need a file from one of those HD's, I insert it in my USB2 mobile rack and extract it. This introduces this clone to the system, but I've never had a problem. You wont as long as you dont boot it. Don't boot with what? The clone? Yep. If you clone a new drive and then use it as the replacement for C:, you've just booted from the clone, and I've done this many times. If you mean boot with the clone with the original drive also on line, Thats clearly the config you were talking about just above. that is outside my experience, but I can't imagine ever doing it. Quite a few do, basically to try the clone after creating it to be sure that it can be booted. That does get NT/2K/XP massively confused. If you want to try the clone, its crucial to not allow it to see the original for the first boot of the clone and the reboot of that clone which it will ask for. When I've done it in the past I get a "configuring new hardware" window, but that's it. Yep, if you boot the clone without the original being visible, it will claim to have found new hardware and will ask to be allowed to reboot. Once you have rebooted, you can make the original visible to the system again and you will be able to boot either of the copys with impunity. True Image is much better and you dont have to boot from floppy or CD if you dont want to. Perhaps, No perhaps about it. but cloning in Ghost 2003 has become a ritual for years, and it has never failed me. Its significantly crippled in capability. If it ain't broke.... It is significantly crippled in capability. Also, I like to have a bonding experience occasionally with DOS for old time's sake. More fool you. Makes much more sense to consign it to the bin where it belongs now. I do it every Sat. morning and not doing so would prolly confuse me for the rest of the day. Your problems with OCD are your problem. I'm still running the batch files once per hour, but D: now contains copies of critical folders, like business databases. So if I have a failure of C:, I can boot from my most recent clone and be up and running, missing only the files created or changed since that clone was made. Copying the files dutifully backed up to D: in the interim back to C: restores the status quo. Program updates and new installs are not covered by this procedure, but that's something I'll deal with in due time. His approach gets it booted off the D drive much more quickly. The only thing he has to do is unplug or depower the C drive for the first boot of the D drive. He can plug it back in again or repower it after XP has booted and rebooted once and can get any files that have changed since the last backup off the C drive in that config too if the C drive isnt too bad and still spins up and mounts. It would be easier, as I experienced for years with Win98SE, but I still would rather be safe in dealing with XP. The only time it isnt safe is if you arent reliable enough to unplug or depower the C drive for the first boot of the D drive. M$, Symantec, and Radified Ghost (http://ghost.radified.com/ghost_1.htm) have warned against this practice. I dont care, I have tested the question thoroughly, and did that because what they said didnt actually fit the available evidence. I won't say it can't be done, but the spectre of a problem is enough to keep me away. Thats not what careful testing is about. It aint black magic and you dont have to hold your mouth just right for it to work. You just have to understand the basics and how to test properly. Here are two quotes from users (Radified Ghost, p. 13): Thats a steaming turd that has heaps of terminal stupiditys. --------- Quote #1: Your section on Cloning makes no mention of removing the newly created drive from the system. Failure to do so before rebooting will annihilate your registry. Pig ignorant silly stuff. We were moving an OS to a second drive. When cloning, you must remove the cloned drive before rebooting into Windows. Thats saying the exact opposite of the one above on what needs to be removed. Windows will look at the system, scan the registry, realizes its duplicated and deems it's corrupt. Wrong. Then it creates a new, blank registry, and carries on with that. Wrong. I tried restoring the registry from the command prompt, but alas nothing. Its quite possible to recover from that manually too. Live and learn. Nothing viable between its ears to learn with. --------- Quote #2: As I understand this issue, Windows XP "knows" which hardware was installed when it is shut down. Its MUCH more complicated than that too. XP has attached a volume identifier to each volume. When XP is restarted, it redetects the hardware and if the same, all is well. When a disk is cloned, disk-to-disk, there will be two volumes with the same volume identifier. If the computer is restarted with both harddisks (the "source" and the "clone") installed, XP will start from the "source", detect the "clone" as new hardware and change the volume identifier since there can not be two volumes with the same volume identifier. No big deal. Nothing will be detected by the user until he/she takes out the "source" and makes the "clone" the boot drive. Now, XP can not boot because of the changed volume identifier. Wrong. And you have proved that is wrong and anyone can prove its wrong. The solution is simple when Ghost 2003 is used to do the disk-to-disk cloning. You don't let Ghost reset the computer and restart Windows but turn off the computer and remove the "clone" before restarting. Not necessary, as you have found. How this is done using Ghost 9 I don't know. Not even possible with 9 and 10 because they can only clone when the OS is booted, they cant clone from the booted CD. ---------- Quote #3 from Symantec (http://tinyurl.com/gh35f): CAUTION: Do not start the computer after cloning until the instructions say to do so. Starting a computer from the hard drive when the computer has two Active partitions can damage program installations and trigger configuration changes that you might not be able to reverse without restoring backups. Just plain wrong. The ONLY thing that you should avoid is booting the clone with the original visible. And its completely trivial to test this and prove it. ---------- End of quotes |
#18
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Question about backups with Ghost
Timothy Daniels wrote:
"Andy" wrote: When Windows sees two identical drives, it changes the disk signature of the second one. So if you want to be able to boot the clone, save a copy of the orignal drive's MBR. When it becomes time to boot the clone, replace the clone's MBR with the one you saved. Then you'll be able to boot the clone. Any utility that will clone a drive will also copy the MBR - either automatically or as a user-indicated option. Wanting a clone that doesn't have an MBR that will boot it is an exceptional - even pathological - case, so any utility worth its salt will copy the MBR. Not necessarily, particularly with those which can clone just a partition, not the entire physical drive. |
#19
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Question about backups with Ghost
Bob Davis wrote
Andy wrote When Windows sees two identical drives, it changes the disk signature of the second one. So if you want to be able to boot the clone, save a copy of the orignal drive's MBR. When it becomes time to boot the clone, replace the clone's MBR with the one you saved. Then you'll be able to boot the clone. Interesting. How do you do that? Just about any disk editor can do that and there are specific MBR save and restore utes too. |
#20
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Question about backups with Ghost
Timothy Daniels wrote
GTS wrote Jeff wrote Back up Drive C to Drive D so that if something gets screwed up i can simply remove Drive C and then the "D" drive would become an exact replacement which would pick up where "C" left off. Is this possible? If thiis is indeed possible....how can a backup drive which is a clone of the original boot at the same time as the system drive, how does windows know the difference? The hard drive at the head of the BIOS's hard drive boot order is selected to control the booting. Its more complicated than that, most obviously when it isnt bootable for whatever reason. In the DEFAULT case for most systems (those that whose hard drive boot order cannot or has not been reset), this order is: Master, IDE ch. 0, Slave, IDE ch. 0, Master, IDE ch. 1, Slave, IDE ch. 1. Thats just plain wrong too. Heaps of systems dont default any order like that and just allow you to specify which of C cdrom or floppy to boot. When you remove a hard drive from the head (top) of the list, the next one in order is selected for booting. Wrong again. Since most users connect the drive containing their operating system as Master on IDE ch. 0, that one gets control at boot time. Since the operating system is usually installed in an isolated drive with no other partitions at the time, the OS names its own partition "Local Disk (C", Utterly mangled all over again. and it will know other partitions that come to its attention as "Local Disk (D", etc. That will happen even if you deliberately delete the OS partition on a drive that has other partitions on it and reinstall the OS too. Thus, when you boot while 2 hard drives are connected, the one set as Master on ch. 0 (where you have your "C" drive) will start booting. When you remove that drive, the next one, the one set as Slave on ch. 0 - your "D" drive - will start booting. Not necessarily, depends on the bios. The above is a crude form of multi-booting, but it will work as long as the partition containing the boot files (usually the same one that has the OS) is a Primary partition and it's marked "active". Cloning utilies will automatically mark the clone's partition "active" or it will offer it as an option, and there may be a similar option for putting the clone in a Primary partition or an Extended partition. That last is utterly mangled all over again. |
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