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Storage Server Refresh...Suggestions?

What are the backplanes you choose ? / where to find them ?

Cheers.

St3F

I believe they're Chenbro, but don't remember model offhand. It's on the Backblaze/Protocase websites. I bought mine from Protocase. They had already sourced a bunch of them for people buying those cases.
 
Sure thing. Here you go:

Thanks for the screenshot. I see now what you meant, it said that it found 12 drives. But it did not LIST 12 drives (on another screen), right?

My M1015s are in IT mode, and it actually lists 8 drives (make, model, etc.), but only 8 of the 24.
 
Again.. Int13 issue, meaning the card is limited to first 8 disks only in DOS mode when card is in IT mode. Not a bug but by design.
 
Thanks for the screenshot. I see now what you meant, it said that it found 12 drives. But it did not LIST 12 drives (on another screen), right?

My M1015s are in IT mode, and it actually lists 8 drives (make, model, etc.), but only 8 of the 24.

Correct. It doesn't list the drives out individually on any of the boot up screens. Though I imagine it would list them just fine in the webbios. Also note that my M1015 is NOT in IT mode. It's back to stock, working, and I'm done screwing with it before I brick it.
 
Correct. It doesn't list the drives out individually on any of the boot up screens. Though I imagine it would list them just fine in the webbios. Also note that my M1015 is NOT in IT mode. It's back to stock, working, and I'm done screwing with it before I brick it.

yap, webbios will show all available JBOD :D, just exit from webios without saving any options:D.

as my experience, M1015 is working nicely on linux , pretty stable ( mine is running centos 6.3, was 6.2 where I had USB 3 connection issue).
 
Again.. Int13 issue, meaning the card is limited to first 8 disks only in DOS mode when card is in IT mode. Not a bug but by design.

this is a legacy from DOS/MSDOS :)
but we are still using DOS for flashing hehehe
 
Another thing I always put on my HP expanders - is a 40x40x10mm fan (http://www.amazon.com/Scythe-40x40x10mm-Fan-pin-adapter/dp/B000RD0RDU), because it does make a difference in temperature for the expander chip - which has a pretty high temp ceiling but I've seen what happens when they get too hot and drives can start dropping. Granted most people don't bother with this and do just fine (I never really talked it up in the HP Expander thread until much later on after OP was written). However the screws that come with 40x40x10mm fans generally aren't long enough to be able to attach the fan by screwing them into the fins of the heatsink, so I remove two screws from an old VHS tape and those work perfectly to fasten the fan..

That fan and the VHS screws work like a charm! Thanks for the idea. I'm not missing a fan header directly on the expander that this could plug into, am I? Because right now it is just taking up one of fan headers on my mobo.
 
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Nope they never built a fan header onto the hp expander because they never intended it to have a fan, since it was intended to sit in high airflow HP servers.
 
JoeComp: BTW, for some reason when you label your ext4 partitions when you create them they don't generate the links for /dev/disks/by-label.

However, if you later use e2label to change or re-label them it will generate them. So now I have the option for listing out /dev/disks/by-label.
 
JoeComp: BTW, for some reason when you label your ext4 partitions when you create them they don't generate the links for /dev/disks/by-label.

However, if you later use e2label to change or re-label them it will generate them. So now I have the option for listing out /dev/disks/by-label.

You are confusing partition labels with filesystem labels. When you create a partition (GPT), you can assign it a partition label. But you cannot assign a filesystem label until you format a partition with a filesystem. You can label a filesystem with mkfs.ext4 (for example), or after the fact, with e2label. But neither of those affect the partition label.

/dev/disk/by-label handles filesystem labels

/dev/disk/by-partlabel handles partition labels
 
You are confusing partition labels with filesystem labels. When you create a partition (GPT), you can assign it a partition label. But you cannot assign a filesystem label until you format a partition with a filesystem. You can label a filesystem with mkfs.ext4 (for example), or after the fact, with e2label. But neither of those affect the partition label.

/dev/disk/by-label handles filesystem labels

/dev/disk/by-partlabel handles partition labels

Using mkfs.ext4 was what I meant by creating them. I should have worded that differently to differentiate between creating them in fdisk. Regardless, even though I initially labelled them with mkfs.ext4 I still did not have by-label or by-partlabel as an option under /dev/disk. They weren't just empty, they just straight up did not exist.

I just changed the labels using e2label and it created the by-label directory and all the appropriate links for each new label.
 
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