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2 Intern

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63 Posts

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October 29th, 2012 11:00

Adding an HD to PE1950. SAS or SATA?

Hi, I have a PE1950 with a 2.5" x 4 backplane and PERC 5i.  Currently it has 3 x 2.5" SAS drives on a RAID 5 configured single volume.  I want to add a large capacity 2.5" drive in the empty 4th slot and use it as a single-disk backup volume.  Must I purchase a SAS drive or can I use a SATA drive?  Also, if SATA is a possibility, which interposer and caddy will I need, if any?

Many thanks!!

-sul.

11 Legend

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16.3K Posts

October 29th, 2012 11:00

As long as you are going to use the fourth drive by itself, you can use EITHER SAS or SATA, and it will need to be configured in a single-disk RAID 0.

11 Legend

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16.3K Posts

October 29th, 2012 12:00

An interposer (for SATA) is not usually required. SAS does not require an interposer.  I would recommend purchasing a drive WITH the caddy ... either by calling Dell or from a supplier:

www.xbyte.com/Dell-PowerEdge-1950-Hard-Drives.aspx

impactcomputers.com/dellparts-parts-for-dell-poweredge-parts-for-dell-poweredge-1950-storage-hard-drives.html

2 Intern

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63 Posts

October 29th, 2012 11:00

Thanks!  Yes, I will use RAID 0 for it.  Would you happen to know anything about the caddy and interposer requirements or part numbers for 2.5" SATA drives?  Thanks again!

2 Intern

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63 Posts

November 2nd, 2012 12:00

Follow-up:  I thought I should share and confirm that indeed a 2.5" SATA HD works perfectly on a PE1950 with 2.5" x 4 Backplane. I received the drive today and  I installed it as a single drive independently of the existing RAID 5 array.  Note: when installing a 2.5" SATA drive in the caddy, screw in the drive into the caddy into screw-holes that are NOT labeled SATAu.  I think the SATAu screw-holes are for installing the drive with an interposer, which is not necessary in my case.

Materials and Configuration:

Drive: WD 1TB 2.5" Scorpio Blue WD10JPVT

Caddy: KF248

RAID: 0

Thanks!

-sul.

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