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K Class and N Class Internal Disks

 
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doris grady
Frequent Advisor

K Class and N Class Internal Disks

Hello,
Can 18GB, 36GB internal K class and N class disks be used in an external array? Like an existing Jamaica we have. We are doing some server replacements and need to know how much flexibilty we possess.
Thanks.
7 REPLIES 7
Pete Randall
Outstanding Contributor

Re: K Class and N Class Internal Disks

The K class definitely not, the N class probably not. The problem with all these HP disks is that the mount is slightly different in all of them and something that will fit into your N class slot is probably not going to fit into your Jamaica slot.


Pete

Pete
Jeff Schussele
Honored Contributor

Re: K Class and N Class Internal Disks

Hi Doris,

Yes, but you'll need to come with Jamaica carrier enclosures for them. The internals have only snall connector type add-ons. The Jamaica drives have that black "box" the drive sits in.

HTH,
Jeff
PERSEVERANCE -- Remember, whatever does not kill you only makes you stronger!
A. Clay Stephenson
Acclaimed Contributor
Solution

Re: K Class and N Class Internal Disks

Not directly. The Jamaica enclosure requires a disk module that among other-things makes hot-plug possible and provides proper cooling. The disks will not directly fit into an A3312A (Jamaica) enclosure. It may be possible to replace some of the smaller existing Jamaica disks within these modules with larger drives. If you do so, pay very careful attention to the SCSI protocol used by the original and replacement drives. You should also note that the A3312A could support both SE-SCSI and HVD-SCSI disk modules (not on the same bus, of course) and even in the case where the disk module itself is HVD SCSI, the disk may not be HVD because the disk module also has a board that could convert HVD SCSI to something else.
If it ain't broke, I can fix that.
Torsten.
Acclaimed Contributor

Re: K Class and N Class Internal Disks

FYI: the internal K-Class drives are HVD drives, directly mounted to the chassis, non hot plug.

the N-Class drives are hot-plug LVD drives, mounted on a small frame.
You'll need for every external chassis the appropriate mounting kit / carrier.

You can't directly use the internal disks in an external chassis.

Hope this helps!
Regards
Torsten.

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TwoProc
Honored Contributor

Re: K Class and N Class Internal Disks

The disks that were of a compatible type for the Jamaicas were the drives from the D-class servers as well as the disks from the Autoraid servers.
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