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GA-8KNXP RAID and CD-rom config help
I had a RAID0 array (2x100gb WD1000JB) on another board with a Highpoint controller, but any performance improvement was only apparent on benchmarks. The ITE setup on the 8KNXP is renowned for its mediocre performance, although I've never tested it, and when I set this new system up I went instead with one drive. Performance is excellent and I have no plans of implementing RAID0 on this mobo, at least not 'til I go SATA, and even then will only do so as before if performance is more than slightly better. I work with large photo image files and originally thought RAID0 might give a meaningful performance boost, but I find that I'm missing nothing with this single drive. YMMV. I am not sold on the value of RAID1. If you have a corruption of the main array, the mirror will likely also be corrupted. If you get a irreparable virus on one, it'll show up on the other. What I've been using for over a year is a cloning/daily-update system with Norton Ghost, performing a disk clone (not image file) to one of four rotated HD's. These HD's are mostly older drives (20, 20, 40, and 80gb) that I no longer use, but are still useful for backups. Since I keep C: lean (usually 15gb), I have no trouble cloning to the smaller drives. Also, one of the 20gb drives is kept off-site for security against fire, theft, etc. The cloning process takes about 1 min/gb on this system depending on how fast your drives are. My slowest drive clones at about 700mbps, and about 1600 mbps using two 8mb-buffer drives. My daily update consists of a backup of critical files (business databases, email, OE configuration, address book, etc.). I use eBackup for the OE files and a batch file for others. These backups go to D:, which is a 100gb WD drive that was in my RAID0 array. The C: drive is a new Maxtor 160gb (8mb buffer) unit. This cloning scheme has proven its value more than once. If a newly installed program goes awry and FUBARs everything, I can simply use my latest clone to restore C: to its state when cloned, then restore the other files from D:. The only things that won't be restored are programs and updates installed since the last clone, but that should cause little trouble getting back to current. "Davek" wrote in message ... I am considering buying 4 Western Digital 120 GB drives to set up on the GigaRAID IDE RAID to handle RAID (0+1) but had a few questions before I spend the money for the drives: 1. How does a 0+1 array compare in performance to a simple single drive...is it slower due to the RAID-1 part of the array? Or does the RAID-0 component of the array completely make up for the RAID-1 overhead? If this setup is going to end up in slow drive performance I don't want to spend my money on the 4 drives. 2. I will also need to place two IDE optical drives (DVD writer and a CD burner) on this board. For optimum performance where would you place these? There seems to be a lot of different ways to configure drives and roms on this board. Right now I have no immediate plans of using any SATA drives. I just want to do the 4-HD's in a RAID 0+1 and hang the 2 ROMS for best performance. TIA - Dave Kistner |
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