morfizm (morfizm) wrote,

ZFS: Raid-Z vs Raid-Z2

[root@mustang] ~# zpool status -v all
  pool: all
 state: ONLINE
  scan: scrub in progress since Sun Apr 12 00:00:06 2015
        1.74T scanned out of 4.08T at 343M/s, 1h58m to go
        20K repaired, 42.77% done  <=== woo-hoo! if a random scrub finds 20K
                                        of wrong or unreadable data, sounds like Raid-Z2 works
                                        (one drive can just fail completely PLUS there is 
                                        a possibility of small data issues, so at least 2 drives
                                        are really needed for redundancy).
Tags: devices, in english, software

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