Failed Boot Mirror HDD Replacement Instructions

Failed Boot Mirror HDD Replacement Instructions

  • ​​From NMV:
    • Settings > Disks
    • Click blink on the far right for the faulted LUN
      • Ignore the warning, it will not cause issues
      • In this example, we will use c3t1d0
      • This will do a DD read blink on the drive.
  • From NMC:
    • # setup volume syspool offline-lun
    • # c3t1d0s0
  • Remove the faulted disk and insert the new disk and wait a minute, then do:
    • # lunsync -r -y
  • Once the scan completes:
    • # setup volume syspool online-lun
    • # c3t1d0s0
  • If applicable, clear the errors on the drive:
    • # setup volume syspool clear-errors
  • This should start the resilvering process. You can check progress with a:
    • #zpool status syspool
  • Once the disk is resilvered install grub:
    • # option expert_mode=1
    • # !bash
    • # y
    • # installgrub /boot/grub/stage1 /boot/grub/stage2 /dev/rdsk/c3t1d0s0

    • Related Articles

    • Failed HDD Replacement Instructions

      From Nexenta Management Console (NMC) check the status of your pools $ zpool status Find the faulted HDD and record the worldwide number (WWN) of the HDD, and the name of the pool it resides in. You will use the WWN to identify this HDD later An ...

    • Heartbeat HDD Replacement Instructions

      1. Replace the drive with the following instructions located here. Be sure to note the WWN of the failed HDD, as as well as the replacement HDD. 2. Open the cluster configuration file with your favorite editor (we will use vim in this example)  # vim ...

    • Disk mapping for failed drives

      How to identify failing drives When monitoring for drive failures in Nexenta and other ZFS-based storage appliances, not all failures will manifest as taking the drive offline completely. If a user or the technician suspects that a failing drive is ...

    • "Disk Layout Failed" during Boot.

      If your Compute Node is failing to boot with the error "Disk Layout Failed" then please gather the following information to submit with your support request.      Send /var/log/node-installer from the head node and the disk layout used for these ...

    • How to replace a failed HDD using sas2ircu

      1. Run as root: # zpool offline data2 <BAD WWN> 2. Remove the failed disk, then insert the replacement. Wait at least 20 seconds for the drive to initialize. 3. Run as root: # devfsadm -Cv This rescans and removes old dangling device links from the ...