User-agent: Mozilla Thunderbird 1.0 (Windows/20041206)
Dear Mac Cognoscenti: I'm setting up a new G5 file server. It's only
got two SATA slots, and one of them I want to reserve for the boot
drive, disk images and tools & storage for the tech crew. I would
rather have a RAID array for my main data volume, instead of just
putting a single SATA drive in the available slot.
As I undertand it, I would be better off with a single PCI SATA card
with 2 or 4 SATA slots, rather than setting up a RAID across PCI slots.
True?
I'm also unsure whether to go for two drives in a striped array, or four
drives in a striped array, or four drives in a RAID 3 or 5 array. Part
of the decision will be cost-based, part will be performance-based, and
part will depend upon recommendations of wise folk like you all.
I need at least 200GB storage, and would prefer twice that (or more).
The server only does file serving, and nothing is so mission-critical
that a daily backup couldn't take care of it. Given this, does the
advantage of RAID 3 or 5 outweigh the extra cost (i.e., storage capacity
reserved for parity bits)?
Would you recommend software RAID or hardware RAID, and why? (I know it
will have to be hardware, if we opt for RAID 3 or 5.)
I've been told that SATA HD's over 120GB start having performance
issues, and I should stripe as many 120GB drives as necessary to get the
amount of storage we need. True?
Finally, what drives and PCI SATA card(s) would you recommend?
Thanks,
Doug
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Doug Riddels Technology Support Technician
W:360.596.7315 Olympia High School
mailto:email@hidden Olympia, WA
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