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    • Expanding RAID volume on NAS326 is not working

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    • Posts: 2  Freshman Member
      edited August 2020
      I'm trying to follow the steps outlined by Joonas but I'm running into a problem when I try to check the file system on my disk before resizing the partition. I'm getting an error message saying /dev/md2 is in use. Is there any way to tell what process(es) are using it? 

      Edit: I did some more investigation. I haven't used LINUX before but when I did "mount | grep /dev/sd" I saw my device was sdc2. I tried "e2fsck -f /dev/sdc2" and got an error message saying the volume was mounted and I ran would severely damage the disk if I proceeded. The drive isn't in use other than what I'm doing to it currently so is this a boilerplate error or am I risking damaging the file system by doing the check?

    • Posts: 2,911  Guru Member
      250 Answers 2500 Comments Friend Collector Seventh Anniversary
      Joonas list has one fatal flaw. After point 11 'enter :wq' you should run 'poweroff' to initiate the shutdown.
    • Posts: 2  Freshman Member
      I am doing "poweroff" after exiting vi. Are there any other processes that might be keeping the drive open?
    • Posts: 2,911  Guru Member
      250 Answers 2500 Comments Friend Collector Seventh Anniversary
      lsof | grep /dev/md2

      might tell. I'm not sure if lsof is available.

      What does 'ps' say?
    • Posts: 6  Freshman Member
      Hello, I did the procedure
      # umount /i-data/14fa6d39 
      # e2fsck -f /dev/md2
      e2fsck 1.42.12 (29-Aug-2014)
      /dev/md2 is in use.
      e2fsck: Cannot continue, aborting.
       # resize2fs /dev/md2
      resize2fs 1.42.12 (29-Aug-2014)
      resize2fs: Device or resource busy while trying to open /dev/md2
      Couldn't find valid filesystem superblock.
    • Posts: 6  Freshman Member
      used  e2fsck -f  and resize2fs command on /dev/vg_5809fa3c/lv_94593ae instead of md2.
      It finally worked fine. Thanks a lot Mijzelf for your explanations
    • Posts: 4
      First Comment Fifth Anniversary
      trying to edit /etc/init.d/rc.shutdown, permission denied. Any comments
    • Posts: 2,911  Guru Member
      250 Answers 2500 Comments Friend Collector Seventh Anniversary
      You need to become 'root' first, by executing 'su'.
    • Posts: 4
      First Comment Fifth Anniversary
      Thank you Mijzelf, it worked out.

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