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yafrank

3 Posts

13676

April 15th, 2007 09:00

Does PE2950 support Seagate Barracuda ES SATA disk?

We plan to purchase a PE2950 and build raid5 using 4x500G sata disks. If my recall is correct, one of the docs from Dell says the disk has to be SATA II to be installed in PE2950. The Seagate Barracuda ES disk ST3500630NS is prefered as it's server class with NCQ feature. According to http://www.seagate.com/www/en-us/products/servers/barracuda_es/, the interface speed of the series is 3Gb/s which is likely a SATA II, but it also specify it's SATA I interface. We are kind of confused and don't know if the Barracuda ES SATA disk is appropriate for PE2950. If not, what alternative we can use? Any suggestion will be appreciated.

at5147

884 Posts

April 16th, 2007 02:00

Most likely the drives are SATA drives on a SAS controller. The drives themselves use an interposer board which connect them to the backplane. From the backplane there is a SAS cable that goes to the controller.

Oh and you can also use SAS drives which would plug directly into the backplane without an interposer board. You can have both SATA and SAS drives in the system, but there cannot be a mix of drives within the same array.

Message Edited by at5147 on 04-15-2007 10:28 PM

yafrank

3 Posts

April 29th, 2007 07:00

Thanks for your quick reply. I'm busy these days testing various new hardware. The servers are shipped too. The ST3500630NS disk is successfuly recognized by the perc5/i in pe2950. I can put os on top of the virtue disk. However, it failed to pass the V5089.1(04/11/2007) diagnostics, reporting following error: Device: SATA_0_000_Disk_S/N:5QG197W8 Type: Conidence_test Error code: 4400:013A Msg: Command timeout Device: SATA_0_000_Disk_S/N:5QG197W Type: Device_Self_Test Error Code: 4400:023A Msg: Command timeout Device: SATA_0_002_Disk_S/N:5QG0TV42 Type: Device_Self_Test Error Code: 4400:021A Msg: Target not ready (2-0409) - Logical unit not ready, self test in progress. I also tested another 160G SATA disk, ST3160812AS, and everything passed. It's not likely both 500G disks are fail, as they are newly bought. Does it mean that the diag utility has difficulty dealing with large hard disk? Or, maybe the disk subsystem has issue? Thanks in advance. Regards, Frank Wang

yafrank

3 Posts

April 29th, 2007 09:00

It's likely to be a hard disk firmware issue. I just tested another ST3500630NS and it passed the
first stage of the confidence_test and is currently doing the whole disk scan.
It'll likely pass the rest test.
The new disk's firmware under test is 3.AEG, the failed one is 3.BKE.

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