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Equipment/Lattner: Difference between revisions

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* 4 1TB drives connected directly to the motherboard SATA ports.
* 4 1TB drives connected directly to the motherboard SATA ports.
* System is using ZFS in a RAIDZ2 (Double-Parity) RAID providing 1800GiB of usable storage.  
* System is using ZFS in a RAIDZ2 (Double-Parity) RAID providing 1800GiB of usable storage:
* zpool was created using device-aware /dev/disk/by-id rather than generic /dev/sda,sdb,sdc,sdd enumeration to help facilitate disk replacements when a drive goes down:
    pool: chris
** HOW?  By labeling the outside of the drive-tray with the disk serial number, we can easily reconcile the serial number of a failed/failing drive with one that is in the array.
  state: ONLINE
    scan: none requested
  config:
 
  NAME                                            STATE    READ WRITE CKSUM
  chris                                          ONLINE      0    0    0
    raidz2-0                                      ONLINE      0    0    0
      ata-Hitachi_HUA721010KLA330_GTA060PBK2ZY1F  ONLINE      0    0    0
      ata-Hitachi_HUA721010KLA330_GTA060PBKEVKZF  ONLINE      0    0    0
      ata-Hitachi_HUA721010KLA330_GTA060PBKEWNTF  ONLINE      0    0    0
      ata-Hitachi_HUA721010KLA330_GTA060PBKEWX4F ONLINE      0    0    0
 
** zpool was created using device-aware /dev/disk/by-id rather than generic /dev/sda,sdb,sdc,sdd enumeration to help facilitate disk replacements when a drive goes down. And by labeling the outside of the drive-tray with the disk serial number, we can easily reconcile the serial number of a failed/failing drive with one that is in the array.
* Boot drive is simply a single SSD - it shouldn't hold anything precious nor be used as a caching device as there is sufficient system memory and ZFS can likely manage caching automatically.
* Boot drive is simply a single SSD - it shouldn't hold anything precious nor be used as a caching device as there is sufficient system memory and ZFS can likely manage caching automatically.