September 27, 201510 yr Hello, been troubleshooting an ongoing issue and I finally got my hands on some beefier hardware to test with. I moved over all the drives and I was told the Partiy drive is "Wrong" upon boot. It's looking for a 4tb and its only coming up as 2.2TB. I have some 3tbs that are showing up fine so I'm wondering if 3TB is the max drive size or I am missing something else obvious. Diagnostics attached. Any help would be greatly appreciated. nas-diagnostics-20150927-1117.zip
September 27, 201510 yr Author All drives were connected directly to the mobo. This beast has 12 onboard sata connections. I also tested by moving the Parity drive to its own PCIE Raid Card that I use in my main box and still coming up as 2.2TB
September 27, 201510 yr Community Expert What motherboard? It's likely that some of those ports use a different controller chip. Have you looked for a BIOS update?
September 27, 201510 yr Author Latest bios (last updated 2012 sadly), using an HP XW8600 workstation with the motherboard it shipped with: http://www.cnet.com/products/hp-workstation-xw8600-xeon-x5460-3-16-ghz-monitor-none-series/specs/
September 27, 201510 yr Your motherboard has 2 controllers -- one supports 6 drives, the other 4. Most likely one of those does not support drive > 2TB. There's no limit at 3TB ... if a controller supports 3TB drives, it will support 4TB, 6TB, 8TB, etc. with no problem. Look carefully and see where the 3TB drives are plugged in ... and move your 4TB parity drive to the same controller.
September 27, 201510 yr Also might look for access to the controller BIOS, and check that it set to pass-through as JBOD. PS. Google brings up a ton of stuff for that model number. If you can track down your specific revision, it might help filter for valid results. For example one article from 2009 claims it can't create a RAID volume larger than 2TB. Odd but may be relevant.
September 28, 201510 yr Author Your motherboard has 2 controllers -- one supports 6 drives, the other 4. Most likely one of those does not support drive > 2TB. There's no limit at 3TB ... if a controller supports 3TB drives, it will support 4TB, 6TB, 8TB, etc. with no problem. Look carefully and see where the 3TB drives are plugged in ... and move your 4TB parity drive to the same controller. Thanks garycase! I hooked it up to a different sata port and it registered as 4TB (must have been a different controller) Appreciate all other other responses as well.
February 21, 20188 yr I'm having the same issue but I don't know if my motherboard has two controllers and if so how do I change it? the server I got was a dell r710 it has an HBA Dell PowerEdge E2K-UCP-61-B so I didn't know if the HBA could be the issue and I should just get a LSI raid carded flashed to it mode System Overview unRAID system: unRAID server Trial, version 6.4.1 Model: Custom Motherboard: Dell Inc. - 00W9X3 Processor: Intel® Xeon® CPU E5530 @ 2.40GHz HVM: Disabled IOMMU: Disabled Cache: Not Specified = 128 kB (max. capacity 128 kB) Memory: 12 GB (max. installable capacity 288 GB) BIOS Information Vendor: Dell Inc. Version: 6.4.0 Release Date: 07/23/2013 Address: 0xF0000 Runtime Size: 64 kB ROM Size: 4096 kB Characteristics: ISA is supported PCI is supported PNP is supported BIOS is upgradeable BIOS shadowing is allowed Boot from CD is supported Selectable boot is supported EDD is supported Japanese floppy for Toshiba 1.2 MB is supported (int 13h) 5.25"/360 kB floppy services are supported (int 13h) 5.25"/1.2 MB floppy services are supported (int 13h) 3.5"/720 kB floppy services are supported (int 13h) 8042 keyboard services are supported (int 9h) Serial services are supported (int 14h) CGA/mono video services are supported (int 10h) ACPI is supported USB legacy is supported BIOS boot specification is supported Function key-initiated network boot is supported Targeted content distribution is supported BIOS Revision: 6.4 Base Board Information Manufacturer: Dell Inc. Product Name: 00W9X3 Version: A01 Serial Number: ..CN1374098T04PN. Asset Tag: Not Specified Edited February 21, 20188 yr by James_Darkness
February 21, 20188 yr James, I had the same problem that this posting started out as. It turns out that my sata card didn't accept 4Gb drives. hope that helps.
February 21, 20188 yr 9 minutes ago, kompupro said: James, I had the same problem that this posting started out as. It turns out that my sata card didn't accept 4Gb drives. hope that helps. Yeah I'm guessing that's my problem as well what card are you using now or recommend me getting
February 21, 20188 yr Community Expert I actually had enough mb ports. But looking into a Renkforce 28554C182 0+10 Don't buy that, it uses SATA port multipliers, it's just asking for trouble, if you need more ports get an 8 port LSI HBA.
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