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Originally Posted by admin69
I upgraded the OS to 4.0.860, have 256MB RAM, installed 300GB Seagate drives (originals were 30GB) and have an early version Quantum 4000 - #70700042-001 (pretty sure it requires master / slave config).
 All went well *UNTIL* I set up a RAID 5 array (it has no errors when configured with individual disks). I now get an error that the logical drive 60000 (RAID array) cannot synchronize. I have "broken" the set and reconfigured twice and it does the exact same thing. :shrug: Any ideas?
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i'm not sure about your opsys settings; i gave up on getting mine to work and finally built my own servers with six 300Gb drives in each, in a RAID10 config. i never fully resolved this problem with my Snap Server 4000's.
the Snap needs memory in which to build the RAID arrays. i bumped my memory up to 256Mb, which i had on-hand. it may allow more memory than that; i'm not sure if i remember whether i read that you can only upgrade to 256Mb max or if i quit at 256Mb because i didn't want to buy memory for an aging device that was running in PIO mode and might not accept the memory in the first place.
despite the memory upgrade, after a power-on i would randomly get "rebuilding" messages - which were unacceptable. this only happened in RAID5, iirc; when i split the box into two stripe sets, then the problem went away. however, i needed one massive array, not two smaller arrays. and taking 26+ hours to rebuild the arrays in PIO mode really... was not all that "desirable", to be polite.
so i spent the money for the two extra drives, raid adapter, case with dual power supplies, twin gigE cards, and an OEM copy of W2K and i was so delighted that i then built an exact duplicate of that system! so now i run two W2k (pro) boxes, each with 900Gb of RAID 10 and teamed gigE throughput, and Robocopy sync them four times a day. it's not a perfect solution, but hey, i haven't lost any data, and i've got roughly 2Tb on-hand. nowadays, with 400Gb drives available, you could have 2.5Tb on-hand.
sorry i can't provide you with a resolution....
hth
Yvette