Christian Pernegger wrote:
Hi list!
Having experienced firsthand the pain that hardware RAID controllers
can be -- my 3ware 7500-8 died and it took me a week to find even a
7508-8 -- I would like to switch to kernel software RAID.
Here's a tentative setup:
Intel SE7230NH1-E mainboard
Pentium D 930
2x1GB Crucial 533 DDR2 ECC
Intel SC5295-E enclosure
Promise Ultra133 TX2 (2ch PATA)
- 2x Maxtor 6B300R0 (300GB, DiamondMax 10) in RAID1
Onboard Intel ICH7R (4ch SATA)
- 4x Western Digital WD5000YS (500GB, Caviar RE2) in RAID5
* Does this hardware work flawlessly with Linux?
* Is it advisable to boot from the mirror?
Would the box still boot with only one of the disks?
Let me say this about firmware mirror: while virtually every BIOS will
boot the "next" disk if the first fails, some will not fail over if the
first drive is returning a parity but still returning data. Take that
data any way you want, drive failure at power cycle is somewhat more
likely than failure while running.
* Can I use EVMS as a frontend?
Does it even use md or is EVMS's RAID something else entirely?
* Should I use the 300s as a single mirror, or span multiple ones over
the two disks?
* Am I even correct in assuming that I could stick an array in another
box and have it work?
Comments welcome
Thanks,
Chris
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bill davidsen <[EMAIL PROTECTED]>
CTO TMR Associates, Inc
Doing interesting things with small computers since 1979
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