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All replies
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Helpful answers
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Feb 1, 2016 9:01 AM in response to upctry2by MrHoffman,Contact OWC and ask for help. If they've stated it works with Xserve, it should work. If they've not, then it might not, or won't.
The OWC folks appear to only offer used drives for Xserve, based on a quick search.
Xserve tends to be fussy about the drive settings. Check for forums for previous discussions of third-party disks in Xserve for related details. As part of this, the drive will probably have to be configured or jumpered or set to SATA-I (1.5 Gbps) speeds. Whether this SATA III drive supports that switch?
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Feb 1, 2016 10:44 AM in response to MrHoffmanby upctry2,Thanks for the note,
I contacted them and we partitioned the drive on my Mac Pro and then installed it into its caddy and powered up the xserve.
The xserve took a long tome to reconize the drive but we could not partition it or erace the drive we got a error message something
about not being able to do something with the last block? don't remember the whole sentence, so there sending me a new drive.
I will call them back and look for third part disks in xserve.
Thanks
Martin
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Feb 8, 2016 7:15 AM in response to upctry2by upctry2,Thanks for the note,
I contacted them and we partitioned the drive on my Mac Pro and then installed it into its caddy and powered up the xserve.
The xserve took a long tome to reconize the drive but we could not partition it or erace the drive we got a error message something
about not being able to do something with the last block? don't remember the whole sentence, so there sending me a new drive.
I will call them back and look for third part disks in xserve.
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Feb 8, 2016 8:45 AM in response to upctry2by MrHoffman,Either buy Apple modules where you can find them, or find some drive modules that are supported and tested here by somebody else, or — and this is not trivial — spend the time necessary to figure out what it is about these that the controller or the operating system doesn't like about the disks that you have.
This whole area can be subtle and complex, and there can be more than a few causes for a device to be rejected — firmware differences, disk drive firmware settings differences, differences in return status values across different vendors or even different firmware revisions, and various firmware bugs.
Sometimes the device firmware settings can be tweaked to make the device more compatible, as you're probably not — unlike where I was doing this integration and testing — to change the host software.
Or identify the specific disks that are in working configurations — vendor, model and firmware revision — and locate more of those.
There are discussions around the 'net that might point to some of these "compatible" devices, but unfortunately few folks think to post the firmware revisions they've found working (or not working), and compatibility does depend on the device firmware.
Or move the storage out to a FC SAN, and deal with compatibility out there.
Sorry. There's no good answer here. This stuff is gnarly. If everything were as compatible and interchangeable as... But it's not.
Background: I spent more than a few years doing device integration and testing for a vendor.
Unless I'm buying a lot of disks, I prefer to buy something that somebody else has tested and supports.
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Feb 8, 2016 3:50 PM in response to MrHoffmanby upctry2,Thanks Mr Hoffman,
The xserve has 3 80gb seagate Barracuta drive all work and show in finder. I bought a 1 TB WD apple xserve
drive on eBay so I'll see it that works. Maybe it just likes Seagate drives.

