Hello Joe,
Am 2007-03-07 16:56:07, schrieb Joe Emenaker:
> I recently put together a RAID5 array with 3 250GB SATA drives (using
> the raid456 driver). One partition, 500GB, ext2.
I have encountered the same problem. Your drives are definitivly ATA
with SATA interface and I have used ATA (WD800BB) with PATA interface
which is arround the same. (I used the 3w7506-4).
Switching to WD Raptor with 74 GByte and SATA 3w8500S-4LP solved the
problem since the "Raptor" of Western Digital are SCSI disks with SATA
interface.
In summary:
Hardisks with ATA hardware (vs SCSI) are going down by HIGH traffic even
if you use one with 16 MByte of cache...
If you realy need Drives for HEAVY traffic (like my Courier Maildir with
over 200.000.000 messages) you should swithch to SCSI hardware.
If you do not need very BIG storage systems I recommend using "cheep"
WD1500 Raptor (150 GByte) and a 3w95xx with 8 channels which then give
you between 300 (3 disks) and 1050 GByte (8 disks) ignoring HotSpare.
Also I suggest you to use ext3 vor better Data-Integrity.
Thanks, Greetings and nice Day
Michelle Konzack
Systemadministrator
Tamay Dogan Network
Debian GNU/Linux Consultant
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