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My Proliant with Adaptec HostRAID controller fails to recognise a new Seagate 4TB drive, instead reading it as 1.8TB. A matched pair was installed connected to a Silicon Image SATA controller and reads to 4TB perfectly.

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Check the adaptec hostRaid model for maximum capacity it can support. I think maximum its support 1.8 TB

Posted on Nov 19, 2013


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Posted on Jan 02, 2017

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SOURCE: Can I add a SATA controller in a PCI slot?

Yes this can be done and the only limit on size is the drive size. The current max size for mainstream drives is around 2TB so make sure the adapter will host more then one SATA ports as at least 2 drives will be required.

Also make sure the adapter card will work with the Operating System as many are designed to be used under Windows only so if you are running Linux or BSD, there may be no support.

The other limit is the fact that the PCI is not a fast bus by current computer technology standards. If there are additional PCI devices such as network interface cards, integrated graphics, modems, soundcards, game controller adapters, USB expansion ports, Firewire expansion ports, etc.. theses devices will all be sharing the bandwidth of the PCI bus, leading to slow read and write performance of the additional storage.

If you are adding these drives to have fast storage, I suggest saving the money for a new system that makes use of current technology.

Posted on Feb 06, 2010

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SOURCE: Hello, I got an Reburbished. IBM Storage engine

it supports only these type of drives:

  • Up to 600 GB of internal hot-swap SCSI HD storage (using two 300 GB SCSI Ultra320 HDs) or up to 500 GB of fixed SATA storage
  • Economical 80 GB Serial-ATA (SATA) HD
if you are trying one of these then you may try another data interface...
good day

Posted on Nov 03, 2010

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SOURCE: problem with harddrive

hello mate. i have server hp proliant ml350 g5, when i buy it ,it works ok. when i replace the HDD from 250g to 80g the system doesent work anymore. i wont to install windwos server from begening but says that no hdd installed in system,but in reale i have 2x250,2x80 HDDs. i dont know how to install the windows.. i am looking in google but nothing.. do you know please. if yes please email me. thanks

Posted on Aug 09, 2012

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My LG Bp120 says USB Connected but will not read my Seagate 4tb Backup Plus. It reads all my other 1tb or 2tb WD and Seagate externals?

Well try updating your firmware..That worked for me...its connected but it doesnt show up in my computer..

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How do I install Windows 8.1 on an 4TB internal HDD???

Thanks guy! It's helpful! And friends you can also get your windows 8.1 upgraded from It's convenient and easy to finish the upgrade process with this site.

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Why does Windows not automatically detect Seagate 1F2168-300

1. You need Windows 7 or 8
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LaCie 2big Triple - I replaced one drive, but capacity is wrong

Most likely the problem you are encountering is due to the RAID mode the device is set in. Most RAID arrays utilize multiple drives of the same size, or with drives of differing size, they just use a portion of the largest that matches the smallest drive. When the device rebuilt the array it partitioned off a portion of the 4tb drive of the same size as the existing 500gb drive. If you want to use full capacity of both drives you would need to use JBOD mode, which just strings the disks together into a storage pool using all available space. This won't offer the data redundancy of RAID1 or speed boost of RAID0, but should allow using full space.

Backup any vital data before doing anything, then look for a switch on the back. Rather than RAID0 or 1 the options may be labelled Safe or Fast, but JBOD is usually still labelled JBOD, or sometimes Big. You can try just flipping the switch to JBOD and seeing if it rebuilds to use all space. If that doesn't work you may need to remove the 4tb drive, connect it to a different system and erase it to get rid of the 500gb partition, then with the Lacie set to JBOD reinstall the 4tb drive so it will add its full size to the array.

The safest option though would be to buy another 4tb drive, backup all data and install both 4tb drives with the device set to RAID1/Safe. You would only get 4tb of total storage, but it would mirror the data on both drives so if one fails the other will still have your data. With JBOD you won't have any auto-backup. If a drive fails the data on it will be lost.

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I formated my work station ibm now i try to install os xp but it required adaptec aic 7901 ultra 320 sci drive now what i have to do

On another PC go to the adaptec web site and find the drivers to match your operating system and hardware. When you boot from cd there is an option when the OS install first starts that says something like Press F6 to install additional drivers. (I'm working from memory here but you will know it when you see it) I did this recently for SATA drivers but the procedure is the same. The problem is that the drivers need to be on a floppy disk and I could find no way around this. My machine did not have a floppy disk. So I went digging in the old dead junk machines lying around my office until I found one. I copied the drivers to the floppy using another old still working machine then temporarily attached my new found floppy drive to the machine I was tyring to rebuild. I didn't bolt it in. It was just sitting there temporarly. Once the drivers are in you won't need the floppy again. Make sure the floppy drive is recognised in the bios before you boot from cd. Hope this hepls and let us know how you go :)

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Windows Server 2008 is still a little new to get accurate drivers for it. Check on and ask if they have a generic SCSI controller that will work for Windows Server 2008.

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I can´t use a serial ata disk in a proliant 350

I know ATA disks are cheaper , but they don't last as long or are less reliable.

I do not recommend mixing SCSI and ATA .

Use one or the other , not both.

Do not try , unless your server is non critical.
If it is non critical , why bother with server , a PC will do as well.


May 14, 2008 | HP Compaq ProLiant DL380 G4 Server

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