ZFS. Lost a drive and pool goes offline?

Discussion in 'SSDs & Data Storage' started by Shockey, Mar 13, 2016.

  1. Shockey

    Shockey [H]ard|Gawd

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    So i recently started using my SSD pool i built on my ZFS NAS for VMWare data store

    I logged into the ESX host today to find that all my data stores were offline. (They're all on the NAS). So i login to nas and i find the SSD pool offline. Stating 1 of 4 drives is missing. Reason pool is offline is not enough replicas.

    I tried clearing the error on the pool, exporting and re importing pool as well. No luck.

    format command output
    Curious if anyone who knows raidz and storage better then me can shed some light on why losing a single drive in raid1z caused me to loose the entire pool?

    I'm working on restoring from backups right now. so save the lecture :p
     
  2. FnordMan

    FnordMan [H]ard|Gawd

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    How did you create the pool? Sounds a lot like you didn't make it RAID-Z given it's stating "not enough replicas". Given the error messages it sounds like everything's gone, time to restore from backups.
     
    ToddW2 likes this.
  3. danswartz

    danswartz 2[H]4U

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    Yes, without 'zpool status', we really can't say anything meaningful...
     
  4. levak

    levak Limp Gawd

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    Get us the output of 'zpool status' or if you, for some reason, don't see the pool there, get us the output of 'zpool import'.

    Matej