Latest FW for NAS540 lost my Disk Group

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I updated to V5.21(AATB.13), and now the Disk Group is no longer showing up, and neither is Disk2 (shows a fault in the RAID, but will not allow a hot swap). I had a new spare and put it in the Disk2 slot, after verifying it, and still nothing showing in Disk2.

Tried to downgrade firmware to AATB.7, and it wouldn't allow the downgrade.

Suggestions? I'm quite frustrated, and don't want to have to buy a new NAS.

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  • lnxcwby
    lnxcwby Posts: 4
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    UPDATE

    I found how to force the ability to downgrade:

    echo 1 >/firmware/mnt/info/revision
    

    Unfortunately, the Disk Group is still missing. Am I completely screwed here?

  • Mijzelf
    Mijzelf Posts: 2,645  Guru Member
    First Anniversary 10 Comments Friend Collector First Answer
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    Can you post the outputs of

    cat /proc/partitions
    cat /proc/mdstat
    cat /proc/mounts
    su
    vgdisplay
    

  • lnxcwby
    lnxcwby Posts: 4
    First Comment
    edited March 7
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    Certainly!

    login: can't chdir to home directory '/home/shares'

    BusyBox v1.19.4 (2021-04-01 10:35:24 CST) built-in shell (ash)
    Enter 'help' for a list of built-in commands.

    / $ cat /proc/partitions
    major minor #blocks name

    7 0 146432 loop0
    31 0 256 mtdblock0
    31 1 512 mtdblock1
    31 2 256 mtdblock2
    31 3 10240 mtdblock3
    31 4 10240 mtdblock4
    31 5 112640 mtdblock5
    31 6 10240 mtdblock6
    31 7 112640 mtdblock7
    31 8 6144 mtdblock8
    8 0 2930266584 sda
    8 1 1998848 sda1
    8 2 1999872 sda2
    8 3 2926266368 sda3
    8 16 2930266584 sdb
    8 17 1998848 sdb1
    8 18 1999872 sdb2
    8 19 2926266368 sdb3
    8 32 2930266584 sdc
    8 33 1998848 sdc1
    8 34 1999872 sdc2
    8 35 2926266368 sdc3
    31 9 102424 mtdblock9
    9 0 1997760 md0
    9 1 1998784 md1
    31 10 4464 mtdblock10
    9 2 8778405888 md2
    / $ cat /proc/mdstat
    Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4]
    md2 : active raid5 sda3[0] sdc3[4] sdb3[2]
    8778405888 blocks super 1.2 level 5, 64k chunk, algorithm 2 [4/3] [U_UU]

    md1 : active raid1 sda2[0] sdc2[4] sdb2[2]
    1998784 blocks super 1.2 [4/3] [U_UU]

    md0 : active raid1 sda1[0] sdc1[4] sdb1[2]
    1997760 blocks super 1.2 [4/3] [U_UU]

    unused devices: <none>
    / $ cat /proc/mounts
    rootfs / rootfs rw 0 0
    /proc /proc proc rw,relatime 0 0
    /sys /sys sysfs rw,relatime 0 0
    none /proc/bus/usb usbfs rw,relatime 0 0
    devpts /dev/pts devpts rw,relatime,mode=600 0 0
    ubi5:ubi_rootfs1 /firmware/mnt/nand ubifs ro,relatime 0 0
    /dev/md0 /firmware/mnt/sysdisk ext4 ro,relatime,user_xattr,barrier=1,data=ordered 0 0
    /dev/loop0 /ram_bin ext2 ro,relatime,user_xattr,barrier=1 0 0
    /dev/loop0 /usr ext2 ro,relatime,user_xattr,barrier=1 0 0
    /dev/loop0 /lib/security ext2 ro,relatime,user_xattr,barrier=1 0 0
    /dev/loop0 /lib/modules ext2 ro,relatime,user_xattr,barrier=1 0 0
    /dev/loop0 /lib/locale ext2 ro,relatime,user_xattr,barrier=1 0 0
    /dev/ram0 /tmp/tmpfs tmpfs rw,relatime,size=5120k 0 0
    /dev/ram0 /usr/local/etc tmpfs rw,relatime,size=5120k 0 0
    ubi3:ubi_config /etc/zyxel ubifs rw,relatime 0 0
    /dev/md2 /i-data/46e46fc8 ext4 rw,noatime,user_xattr,barrier=1,stripe=48,data=ordered,usrquota 0 0
    /dev/md2 /usr/local/apache/htdocs/desktop,/pkg ext4 rw,noatime,user_xattr,barrier=1,stripe=48,data=ordered,usrquota 0 0
    nfsd /proc/fs/nfsd nfsd rw,relatime 0 0
    configfs /sys/kernel/config configfs rw,relatime 0 0
    / $ su
    Password:

    BusyBox v1.19.4 (2021-04-01 10:35:24 CST) built-in shell (ash)
    Enter 'help' for a list of built-in commands.

    ~ # vgdisplay
    File descriptor 19 (/dev/urandom) leaked on vgdisplay invocation. Parent PID 20877: sh

    ~ #
    ~ # vgdisplay
    File descriptor 19 (/dev/urandom) leaked on vgdisplay invocation. Parent PID 20877: sh
    ~ #

  • Mijzelf
    Mijzelf Posts: 2,645  Guru Member
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    There is a disk in slot 2 at the moment? And you also had another disk in that slot? The disk is not seen at all. It's device name (/dev/sdb) is in use by the disk in slot 3.

    I'm afraid either the SATA port or the power supply in slot 2 died.

  • lnxcwby
    lnxcwby Posts: 4
    First Comment
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    That's what I was afraid of, that the hardware was at fault.

    I guess it's time for a new NAS.

    Thanks for another set of eyes!

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