USB not showing as File System

  • So I've plugged a USB drive in (HDD in USB caddy)


    It shows up fine as a physical disk, but shouldn't it then show in file systems so I can mount it and copy data from it?


    It's from an old OMV setup so is formatted as EXT4.

    • Offizieller Beitrag

    It should. What is the output of: blkid

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  • It should. What is the output of: blkid


    Thanks for your reply, the output is....


    /dev/sda1: UUID="f764ba74-c78c-40da-a4cf-424be53cf0d3" TYPE="ext4"
    /dev/sda5: UUID="8d5c5445-9a67-4334-9a46-63a8a2c0d234" TYPE="swap"
    /dev/sdb: UUID="8f1ec97a-310a-5688-dbd1-10f823c4393d" UUID_SUB="f34ef623-3850-55 da-41cc-cd6e9149fe96" LABEL="OLYMPUS:MainRaid" TYPE="linux_raid_member"
    /dev/sdc: UUID="8f1ec97a-310a-5688-dbd1-10f823c4393d" UUID_SUB="6968c488-bf4e-6d 00-6c4e-cab409f540ab" LABEL="OLYMPUS:MainRaid" TYPE="linux_raid_member"
    /dev/sdd: UUID="8f1ec97a-310a-5688-dbd1-10f823c4393d" UUID_SUB="69bc78c7-a56f-67 27-9b15-dd0827b5a3a0" LABEL="OLYMPUS:MainRaid" TYPE="linux_raid_member"
    /dev/md0: LABEL="MainRaidFS" UUID="c594cdf5-c191-4502-9658-116f4f8df787" TYPE="e xt4"

    • Offizieller Beitrag

    I don't see anything other than your os drive and raid array. Are you sure the drive is working?

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  • I don't see anything other than your os drive and raid array. Are you sure the drive is working?


    Yes, it definitely works, here it is in the physical disks.


    I had OMV 0.5 on my HP MicroServer, I backup all my data to this drive, then removed this drive.
    Wiped all other disks, installed new disks into MicroServer to RAID, upgraded to OMV v1, then plugged this drive back into import data to new disks.


    • Offizieller Beitrag

    How about the output from: fdisk -l

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  • How about the output from: fdisk -l




    Disk /dev/sda: 250.1 GB, 250059350016 bytes
    255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x0008e8c3


    Device Boot Start End Blocks Id System
    /dev/sda1 * 2048 472150015 236073984 83 Linux
    /dev/sda2 472152062 488396799 8122369 5 Extended
    /dev/sda5 472152064 488396799 8122368 82 Linux swap / Solaris


    Disk /dev/sdb: 2000.4 GB, 2000398934016 bytes
    255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    I/O size (minimum/optimal): 4096 bytes / 4096 bytes
    Disk identifier: 0x00000000


    Disk /dev/sdb doesn't contain a valid partition table


    Disk /dev/sdc: 2000.4 GB, 2000398934016 bytes
    255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    I/O size (minimum/optimal): 4096 bytes / 4096 bytes
    Disk identifier: 0x00000000


    Disk /dev/sdc doesn't contain a valid partition table


    Disk /dev/sdd: 2000.4 GB, 2000398934016 bytes
    255 heads, 63 sectors/track, 243201 cylinders, total 3907029168 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    I/O size (minimum/optimal): 4096 bytes / 4096 bytes
    Disk identifier: 0x00000000


    Disk /dev/sdd doesn't contain a valid partition table


    Disk /dev/md0: 4000.5 GB, 4000528203776 bytes
    2 heads, 4 sectors/track, 976691456 cylinders, total 7813531648 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 4096 bytes
    I/O size (minimum/optimal): 524288 bytes / 1048576 bytes
    Disk identifier: 0x00000000


    Disk /dev/md0 doesn't contain a valid partition table


    Disk /dev/sde: 1000.2 GB, 1000204886016 bytes
    255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors
    Units = sectors of 1 * 512 = 512 bytes
    Sector size (logical/physical): 512 bytes / 512 bytes
    I/O size (minimum/optimal): 512 bytes / 512 bytes
    Disk identifier: 0x00000000


    Disk /dev/sde doesn't contain a valid partition table

    • Offizieller Beitrag

    It says sde doesn't have a partition table. I think you might have wiped it...

    omv 7.0-32 sandworm | 64 bit | 6.5 proxmox kernel

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  • It says sde doesn't have a partition table. I think you might have wiped it...


    Holy s**t ... I think your right, kinda, I think it's damaged/corrupt.


    I just connected it to my Ubuntu laptop and it wont mount.... ;(


    Awww crap. This is the exact reason I wanted to get data off that drive and onto Raided WD Red drives...


    Nevermind, nothing too important, just Movies & Music etc.... I Think....... (Although was about 900GB)


    Thanks for your help anyway! :thumbup:

    • Offizieller Beitrag

    A lot of people recommend extundelete too.

    omv 7.0-32 sandworm | 64 bit | 6.5 proxmox kernel

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    omv-extras.org plugins source code and issue tracker - github


    Please try ctrl-shift-R and read this before posting a question.

    Please put your OMV system details in your signature.
    Please don't PM for support... Too many PMs!

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