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pkraiker's avatar
pkraiker
Aspirant
Sep 17, 2012

Trying to use ST3000DM001 3TB drive in USB dock

I have 4 of these drives in my NV+ and want to use them for backups and/or hot swap for the raid array so I picked up 2 more along with a BlacX eSata dock to use for USB backups. This HDD/dock config replaces an older NexStar I've been using with Sata2 drives. Before buying these drives I checked that they were on the supported list. I beleive that's for internal use though, not USB connectivity.

I can format the drives on both my iMac and MacBook using the dock and see the full capacity. When I connect the dock/drive to my NV+ it sees it but says it has a whopping 196.9MB of storage (100% is free though!). I've tried the FAT variations available as well as the journaled Mac FS options. I don't see a way to format EXT anything (running OS/X 10.8.1)

My old backup relied on 1TB drives, with the new config I can't back up on those.

What am I missing? Is there a way to format the drives from SSH? Some parm I'm missing? Not supported (yet)?
And yes I installed the latest firmware before attempting all this. I also looked through the forum and found similar threads but no matches.

Regards,
PK

24 Replies

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  • Parted comparing two drives, the first (correctly identified as an ST3000DM001) is part of the 4 drive raid while the latter (labeled as the same but recognized as an Initio) is the in the USB dock. The second partition was created on OS/X but is not recognized by the NAS.

    Model: Seagate ST3000DM001-9YN1 (scsi)
    Disk /dev/sdd: 3001GB
    Sector size (logical/physical): 512B/512B
    Partition Table: gpt

    Number Start End Size File system Name Flags
    1 32.8kB 4295MB 4295MB raid
    2 4295MB 4832MB 537MB raid
    3 4832MB 3001GB 2996GB raid


    Model: Initio INIC-1610P (scsi)
    Disk /dev/sde: 3001GB
    Sector size (logical/physical): 512B/512B
    Partition Table: gpt

    Number Start End Size File system Name Flags
    1 20.5kB 210MB 210MB fat32 EFI System Partition boot
    2 211MB 3001GB 3000GB USB3TB005
  • mdgm-ntgr's avatar
    mdgm-ntgr
    NETGEAR Employee Retired
    You probably need to delete the partitions on the USB disk, create a new one and format it.
  • mdgm wrote:
    You probably need to delete the partitions on the USB disk, create a new one and format it.

    Bingo, thanks mdgm.
    I used parted to remove the partitions and then I was able to get mkfs.ext3 to work correctly

    Model: Initio INIC-1610P (scsi)
    Disk /dev/sde: 3001GB
    Sector size (logical/physical): 512B/512B
    Partition Table: loop

    Number Start End Size File system Flags
    1 0.00B 3001GB 3001GB ext3
  • I have the same problem but are on RAIDiator 4.1.10 [1.00a043] (ReadyNAS NV+),
    and neither sgdisk or apt-get is working.

    Can someone please post the commands I need to execute to delete the partition and create a new one? I'm know a bit of linux/unix, but only the basics like handling files and stuff.

    My USB drive is mounted on /dev/sda1

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