November 5, 201015 yr I've been playing around with the unRAID free version before I take the final plunge, but noticed this when configuring 3 disks. I have hard disks as follows. Disk1 WD15EARS 1,500,290 MB Disk2 WD15EARS 1,500,301 MB Disk3 WD640EADS 640,000 MB I assumed both disk1 and disk2 were identical when setting up the parity drive, but unRAID quite correctly reports that disk1 is not the largest, and on looking I realize disk2 is, so started over. I know the obvious answer is 'yes, this is the expected behaviour' ...but is it?
November 5, 201015 yr Do you have a Gigabyte motherboard? If so, you may be experiencing the HPA issue.
November 5, 201015 yr Author No, it one of these. BIOSTAR A760G M2+ AM2+/AM2 AMD 760G Micro ATX AMD Motherboard I've had some fun and games with the WD EARS drives, so it might have something to do with that, I'm know RMA the disks.
November 5, 201015 yr No, it one of these. BIOSTAR A760G M2+ AM2+/AM2 AMD 760G Micro ATX AMD Motherboard I've had some fun and games with the WD EARS drives, so it might have something to do with that, I'm know RMA the disks. You do not need to RMA the disk, but instead just remove the HPA which apparently exists. So far, every manufacturer of disks has had exactly the same size, therefore your disk probably should be too. hdparm -N /dev/sdX will typically tell the story. Or, attach a syslog. Joe L.
November 5, 201015 yr Author I've decided to RMA the drives as this could all be related to the WD15EARS issues I've been having - see http://lime-technology.com/forum/index.php?topic=8333.msg80591#msg80591
November 5, 201015 yr I really don't think that the alignment issue changes the size of the disks. But maybe I'm wrong. I would guess HPA also. Have you ever used the drives with a Gigabyte motherboard at any point in the past? Doesn't matter if it was with unRAID or not.
November 5, 201015 yr Author Rajahal - very good point, and one I over looked, yes they were used in Gigabyte motherboard when I first got them and then subsequently ran WDAlign, and then my woes began! I've just shipped the drives back, I'm done with them...when I get the replacements they will be going straight into unRAID...and jumpered!
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