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Downgrading iOmega ix2-200 drives challenges

Posted in Uncategorized by alfredomarchena on January 3, 2015

well folks, its been 3 years since my ‘upgrading iOmega ix2-200 drives’ post and then this happened.BadDrive

so after 3 years of the NAS being turned on 100% of the time, one of the drives decided to quit on me. so im at a point where im still trying to recover from a successful Christmas and didnt want to spend money on this.

Given the circumstances and of course me trying to be frugal, i looked at my hdd drawer and found two 1tb drives.

2015-01-03 08.16.00

at first i thought why downgrade, but after looking at the space i’m actually using after 3 years (575gb) i decided to go with spending 0 money and downgrade to two equal 1tb drives

2015-01-03 08.16.00

so here is what im going to try and do…

  1. turn off nas
  2. remove bad drive and replace with 1tb drive
  3. power on nas
  4. wait what will probably seem like eternity to rebuild
  5. profit

powered on device, sad drive, went to rebuild, authorized the drive to be used and wiped (forgot i had data written to it)

Capture

immediately it complained that the drive is too small to use

Capture

so i guess i need a drive of the same size.

wait a minute i thought, all the space i have is in 3 separate iSCSI luns. so what if i

  1. ssh into the device using its diagnostics page http://xx.xx.xx.xx/diagnostics.html to get port number etc,
  2. copy the iSCSi stores to my local computer
  3. break the raid
  4. initialize the drives separately
  5. after step $4 is done, power off NAS
  6. remove 2tb drive
  7. power on to see if it boots with just new drive
  8. if step 7 is successful, power off NAS again
  9. add secondary 1tb drive
  10. power on device
  11. create a raid mirror
  12. ssh into machine again
  13. copy 3 iscsi files back (change permissionsif needed)
  14. restart nas
  15. see if iscsi volumes are again shown

permissions

i am currently trying this approach and will post what happens after my iscsi stores copy which may be a while

3 Responses

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  1. alfredomarchena said, on January 3, 2015 at 9:37 AM

    seeing as how this make take a while i started thinking of plan B. lets say this fails. i know 1 of the iSCSI luns isnt used so i can discard that. the 2nd isci is still alive on the other drive so i can mount it (its a ntfs with bitlocker mount) copy the files then discard that. the last one (and the biggest) is the wii iscsi lun which is a mirror of my wii usb game drives which is formatted as WBFS, so if it came to be, i can create a new 500gb iscsi lun, then mount the existing one in windows, use something like wii usb manager to clone it to the other one in my current computer and then drop the 2tb drive from nas, create a new mirror then just move it back again.

    bottom line is if there is will.. there is always a way. i imagine IF my virtual machine iscsi lun was used i would have had to use something like vcenter to migrate the VM inside it to another datastore then trashed the file so that would have been a few extra steps but nonetheless still doable.

  2. alfredomarchena said, on January 3, 2015 at 9:43 AM

    also worth mentioning that the diagnostics page as this option: Perform an offline file system check then reboot.

    another option would be to try that and see if maybe it was just a power failure or something and the drive is alive just faulted and try fixing it (didnt think of this first so maybe this is what i will do after i backup the isci files) or you can always plug it into a windows machine, format it, do a through chkdsk to scan for bad sectors and if everything passes, plug it back into NAS, rebuild the RAID array since it was formatted and resume where you left off.

  3. bo diddly said, on November 3, 2015 at 3:16 AM

    Really good of you to post this information, it helped me a lot when I had a failed drive.
    good to see how so much thought has gone into it also.


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