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Converting RAID 0 Array to RAID 0+1 - Advice sought.
Hi.
I've just built a new machine and have created a stripe set therein using a Promise FastTrak 100 TX2 controller and 2 Western Digital WD800JB hard Drives. Now, I opted to use the PCI IDE controller as I thought It may be slightly safer than the onboard one inasmuch as I could always move it and the drives 'as is' to another machine if anything went wrong with any of the other components. Am I right in this assumption or should I have used the onboard controller? Will the PCI bus' bandwdth limitations have an adverse affect on speeds or is this negligible? My system specs are included at the bottom of this post. Anyway, i'm digressing a little here as the main pont of this post is to determine how I go about converting this 2 drive RAID 0 array into a 4 drive RAID 0+1 setup as soon as I get another 2 drives. Can this be done non-destructively? i.e Will I be able to merely connect each of the two drives as a slave on each channel and simply enter the FastBuild utility and rebuild the array so that the existing setup is just mirrored onto the two new drives? It would save me a lot of trouble if i can do it this way as the current stripe set holds my OS etc. Anyway, thanks in advance for any advice you may have to offer. Cheers. Mod. =========================== SYSTEM SPECS ================================================== Intel Pentium 4 3.0GHz (800FSB) with HT Technology - Retail x 1 Asus P4C800-E Deluxe "Canterwood" (Socket 478) Motherboard x 1 Corsair 1GB DDR XMS3200C2PT TwinX (2x512MB) CAS2 x 1 Samsung SW-252B 52x/52x/24x CD-ReWriter (Black) - OEM x 1 Samsung SD-616QBB 16x48x DVD-ROM (Black) - OEM x 1 Sapphire ATI Radeon 9600 Pro 128MB DDR TV-Out/DVI - Retail x 1 Akasa Paxmate Acoustic Absorption Mat x 1 Antec TruePower 550W PSU x 1 Western Digital Caviar 80GB Special Edition 8MB Cache - OEM x 2 Lian Li PC 71 Aluminium Full-Tower x 1 Promise Fast FastTrak100 TX2 IDE RAID card. ThermalRight SLK-947U (Socket 478 & Socket A) Cooler Hitachi CML174SXWB 17" TFT Monitor (Carbon) |
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"Mod" wrote in message om... Hi. I've just built a new machine and have created a stripe set therein using a Promise FastTrak 100 TX2 controller and 2 Western Digital WD800JB hard Drives. Now, I opted to use the PCI IDE controller as I thought It may be slightly safer than the onboard one inasmuch as I could always move it and the drives 'as is' to another machine if anything went wrong with any of the other components. Am I right in this assumption or should I have used the onboard controller? Will the PCI bus' bandwdth limitations have an adverse affect on speeds or is this negligible? My system specs are included at the bottom of this post. Anyway, i'm digressing a little here as the main pont of this post is to determine how I go about converting this 2 drive RAID 0 array into a 4 drive RAID 0+1 setup as soon as I get another 2 drives. Can this be done non-destructively? i.e Will I be able to merely connect each of the two drives as a slave on each channel and simply enter the FastBuild utility and rebuild the array so that the existing setup is just mirrored onto the two new drives? It would save me a lot of trouble if i can do it this way as the current stripe set holds my OS etc. Anyway, thanks in advance for any advice you may have to offer. Cheers. Mod. =========================== SYSTEM SPECS ================================================== Intel Pentium 4 3.0GHz (800FSB) with HT Technology - Retail x 1 Asus P4C800-E Deluxe "Canterwood" (Socket 478) Motherboard x 1 Corsair 1GB DDR XMS3200C2PT TwinX (2x512MB) CAS2 x 1 Samsung SW-252B 52x/52x/24x CD-ReWriter (Black) - OEM x 1 Samsung SD-616QBB 16x48x DVD-ROM (Black) - OEM x 1 Sapphire ATI Radeon 9600 Pro 128MB DDR TV-Out/DVI - Retail x 1 Akasa Paxmate Acoustic Absorption Mat x 1 Antec TruePower 550W PSU x 1 Western Digital Caviar 80GB Special Edition 8MB Cache - OEM x 2 Lian Li PC 71 Aluminium Full-Tower x 1 Promise Fast FastTrak100 TX2 IDE RAID card. ThermalRight SLK-947U (Socket 478 & Socket A) Cooler Hitachi CML174SXWB 17" TFT Monitor (Carbon) As long as you are using the Promise controller, there would be little difference, if any, between the onboard and the PCI card. The surest way of converting would be to have a Ghost image of your raid0 array. That way, even if the conversion in the FastBuild utility was destructive, which I doubt since it really just has to mirror your already present raid0, you could simply Ghost the image back after you were finished. I think that you will find my way (the image method) the faster of the two options. I have rebuilt a raid1 array inside of Windows (which should be faster than a BIOS utility) and will probably never do so again. It would have been much faster for me to make an image of the good drive using Ghost, destroy and then remake the array from scratch and then Ghost the image back. Sick Willie |
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