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IDE RAID- Major problem need to save my data
I had a motherboard with a built in IDE RAID Promise chipset. I used
two drives for RAID 0 (now I know this was a bad idea). To make a long story short, the system board is shot and I can't get another with the same RAID chipset. Even if I throw the computer out, I really need to save my data. My questions a 1) If I get another system with a PCI RAID card or IDE RAID chipset on the motherboard that is not Promise RAID chipset, will my existing drives work without reformating? (i.e. I can get my data off. I don't need to boot or anything else). 2) If I just get a new computer (or borrow someones) with normal IDE, can I plug in my 2 drives as the the 2nd and 3rd drive and use software RAID (like in Win2000) to get at my data? Thanks |
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MC wrote:
I had a motherboard with a built in IDE RAID Promise chipset. I used two drives for RAID 0 (now I know this was a bad idea). To make a long story short, the system board is shot and I can't get another with the same RAID chipset. Even if I throw the computer out, I really need to save my data. My questions a 1) If I get another system with a PCI RAID card or IDE RAID chipset on the motherboard that is not Promise RAID chipset, will my existing drives work without reformating? (i.e. I can get my data off. I don't need to boot or anything else). 2) If I just get a new computer (or borrow someones) with normal IDE, can I plug in my 2 drives as the the 2nd and 3rd drive and use software RAID (like in Win2000) to get at my data? Thanks I think your best bet is to find an add-in card with the same Promise chipset. -- The e-mail address in our reply-to line is reversed in an attempt to minimize spam. Our true address is of the form . |
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#4
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kony wrote:
On 27 Nov 2004 18:07:27 -0800, (MC) wrote: the system board is shot and I can't get another with the same RAID chipset. What does "shot" mean? BWAHAHAHAHAHAHAHAHAHA!!! |
#5
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In comp.sys.ibm.pc.hardware.storage MC wrote:
I had a motherboard with a built in IDE RAID Promise chipset. I used two drives for RAID 0 (now I know this was a bad idea). To make a long story short, the system board is shot and I can't get another with the same RAID chipset. Even if I throw the computer out, I really need to save my data. My questions a 1) If I get another system with a PCI RAID card or IDE RAID chipset on the motherboard that is not Promise RAID chipset, will my existing drives work without reformating? (i.e. I can get my data off. I don't need to boot or anything else). Forget it. 2) If I just get a new computer (or borrow someones) with normal IDE, can I plug in my 2 drives as the the 2nd and 3rd drive and use software RAID (like in Win2000) to get at my data? NO. RAID from different manufacturers are usually (and I think intentionally) incompatible. It is not the data arrangement on the disk, but the descriptor block that stores meta information. Incidentially that is one of the strong arguments for software-RAID, since you can access it with entirely different hardware as long as the software can still be installed. Best option: Ask Promise tech support which of their products can read your disks and then get that. Arno -- For email address: lastname AT tik DOT ee DOT ethz DOT ch GnuPG: ID:1E25338F FP:0C30 5782 9D93 F785 E79C 0296 797F 6B50 1E25 338F "The more corrupt the state, the more numerous the laws" - Tacitus |
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Now do you see what I've been talkin' bout "Kony?"
or do you still think all raid implementations are equally useful & time-saving? I just hope that if he gets a 'new' motherboard (like from ebay or sometihing) the onboard controller can get the config off the drives.. |
#7
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On Tue, 30 Nov 2004 20:41:05 GMT, Curious George
wrote: Now do you see what I've been talkin' bout "Kony?" You don't seem to see what I've been talking about. I didn't suggest RAID0 here EITHER. or do you still think all raid implementations are equally useful & time-saving? I never advocate RAID0 unless user has a viable additional backup. Generally speaking I typically recommend against RAID 0 even when it's the expressed goal of the poster. There ARE other alternatives than just SCSI or RAID0 ATA, but you ignored this in a prior thread because it didn't suit your argument. I just hope that if he gets a 'new' motherboard (like from ebay or sometihing) the onboard controller can get the config off the drives.. "Hope"? This is an example of what I'd posted in a prior thread, that I advise one not to learn _while_ setting up a data storage subsystem but prior to doing so. I also suspect you've not spend enough time dealing with ATA RAID to be able to properly contrast it to any other... There's no need to hope, if the drives are physically and logically intact (that is - if the motherboard was the *only* failure point, no damage to drives) then same controller with same/similar bios will work. Towards that end, if the motherboard RAID bios version is unknown it might be easier to use a PCI card to recover, since flashing a different bios is likely far easier than determining the RAID bios version used on the old board (if manufacturer didn't provide full documentation, though decompressing the motherboard bios version is an alternate method of determining this), in the off chance that the default bios on such a PCI card wouldn't work... though it probably will. There are also bios tools like CBROM or awardmod http://awardmod.sourceforge.net/ that can even be used to extract the raid bios from the original motherboard's bios, and swap it into a new board's bios to ensure same raid bios version. |
#8
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kony wrote:
"Hope"? This is an example of what I'd posted in a prior thread, that I advise one not to learn _while_ setting up a data storage subsystem but prior to doing so. That's where you made your mistake. Most normal people learn from experience. Not everyone has a pin-head that needs to be buried in a book for a long swot just in case they **** up. Maybe if your parents had molly-coddled you a little less. |
#9
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kony wrote:
On Tue, 30 Nov 2004 20:41:05 GMT, Curious George wrote: Now do you see what I've been talkin' bout "Kony?" You don't seem to see what I've been talking about. I didn't suggest RAID0 here EITHER. or do you still think all raid implementations are equally useful & time-saving? I never advocate RAID0 unless user has a viable additional backup. Generally speaking I typically recommend against RAID 0 even when it's the expressed goal of the poster. There ARE other alternatives than just SCSI or RAID0 ATA, but you ignored this in a prior thread because it didn't suit your argument. I just hope that if he gets a 'new' motherboard (like from ebay or sometihing) the onboard controller can get the config off the drives.. "Hope"? This is an example of what I'd posted in a prior thread, that I advise one not to learn _while_ setting up a data storage subsystem but prior to doing so. I also suspect you've not spend enough time dealing with ATA RAID to be able to properly contrast it to any other... There's no need to hope, if the drives are physically and logically intact (that is - if the motherboard was the *only* failure point, no damage to drives) then same controller with same/similar bios will work. Are you sure no motherboard RAID stores configuration info on the motherboard? Towards that end, if the motherboard RAID bios version is unknown it might be easier to use a PCI card to recover, since flashing a different bios is likely far easier than determining the RAID bios version used on the old board (if manufacturer didn't provide full documentation, though decompressing the motherboard bios version is an alternate method of determining this), in the off chance that the default bios on such a PCI card wouldn't work... though it probably will. There are also bios tools like CBROM or awardmod http://awardmod.sourceforge.net/ that can even be used to extract the raid bios from the original motherboard's bios, and swap it into a new board's bios to ensure same raid bios version. -- The e-mail address in our reply-to line is reversed in an attempt to minimize spam. Our true address is of the form . |
#10
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On Tue, 30 Nov 2004 21:29:38 GMT, kony wrote:
On Tue, 30 Nov 2004 20:41:05 GMT, Curious George wrote: Now do you see what I've been talkin' bout "Kony?" You don't seem to see what I've been talking about. I didn't suggest RAID0 here EITHER. Sigh of course you didn't endorse the config he was already using. It died before anybody got the chance to dissuade him. or do you still think all raid implementations are equally useful & time-saving? I never advocate RAID0 unless user has a viable additional backup. Generally speaking I typically recommend against RAID 0 even when it's the expressed goal of the poster. Of course. anybody would There ARE other alternatives than just SCSI or RAID0 ATA, but you ignored this in a prior thread because it didn't suit your argument. That doesn't even make sense. I assume you are referring to a more recent case of you demonstrating no concept of consistency of logic, argument, or discussion. If only you would maintain focus on the points actually made in a thread as well as you fixate on your own inventions. I just hope that if he gets a 'new' motherboard (like from ebay or sometihing) the onboard controller can get the config off the drives.. "Hope"? Different controllers and raid software store the configuration in different places (not always on drives or recovered from the drives) and use it differently for recovery purposes. I "hope" that "this" mobo can reconstruct the controller config from the drives and there is good flexibility for swap out with similar or identical HW. Yes this all seems doable but it is not clear to me how much of a PITA the whole thing is going to be (including locating the 'right' HW). This is an example of what I'd posted in a prior thread, that I advise one not to learn _while_ setting up a data storage subsystem but prior to doing so. Well of course, but how much can a novice really learn from manuals. They learn what's important from doing (& from getting burnt). I also suspect you've not spend enough time dealing with ATA RAID to be able to properly contrast it to any other... Not really making an ata raid comment per se. Only highlighting that not all RAID HW & implemetations are equal (from a useability, convenience, etc. standpoint) and sometime you can encounter a real PITA for any number or reasons - including not being able to get an identical board, compatibility with other readily available boards, etc. Of course some product lines try harder to insulate you from troubles - but that's not really the point I'm making. There's no need to hope, if the drives are physically and logically intact (that is - if the motherboard was the *only* failure point, no damage to drives) then same controller with same/similar bios will work. Towards that end, if the motherboard RAID bios version is unknown it might be easier to use a PCI card to recover, so all Promise cards & onboard chips are totally compatible? config, CHS translation, LBA, driver always identical? (really asking here) since flashing a different bios is likely far easier than determining the RAID bios version used on the old board Huh? you're going to flash some PCI card with what? for what purpose? How many variables are you going to change during the recovery process? Normally all software levels have to match to work properly (esp/incl driver). The more complicated you make this the more likely you're going to muck things up - including messing up the new raid card. Maybe he should image the drives or backup certain sectors before trying any suggestions esp w' experimenting w' different mobos or cards? (if manufacturer didn't provide full documentation, though decompressing the motherboard bios version is an alternate method of determining this), That would truly be magic as the mobo is toast & he can't locate another. (This is where those multi-year warranties come in handy). You mean from the image file DL'ed from the manufacturer? How does that help if he doesn't know 'which' BIOS level he was using on the original board? in the off chance that the default bios on such a PCI card wouldn't work... though it probably will. There are also bios tools like CBROM or awardmod http://awardmod.sourceforge.net/ that can even be used to extract the raid bios from the original motherboard's bios, and swap it into a new board's bios to ensure same raid bios version. but the mobo is toast... |
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