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...512 100.00 DSL props 10 1 16K 512 1.50K 512 100.00 DSL directory child map 11 1 16K 512 0 512 0.00 DSL dataset 12 1 16K 512 1.50K 512 100.00 DSL dataset snap map 13 1 16K 128K 0 128K 0.00 bplist 14 1 16K 512 0 512 0.00 DSL dataset 15 1 16K 128K 0 128K 0.00 bplist 16 1 16K 512 0 512 0.00 DSL dataset 17 1 16K 512 1.50K 512 100.00 DSL dataset snap map 18 1 16K 128K...

Hi forum, I did something stupid the other day, managed to connect an external disk that was part of zpool A such that it appeared in zpool B. I realised as soon as I had done zpool status that zpool B should not have been online, but it was. I immediately switched off the machine, booted without that disk connected and destroyed zpool B. I managed to get zpool A back and all of my data appears

I have a huge problem with space maps on thumper. Space maps takes over 3GB and write operations generates massive read operations. Before every spa sync phase zfs reads space maps from disk. I decided to turn on compression for pool ( only for pool, not filesystems ) and it helps. Now space maps, intent log, spa history are compressed. Not I''m thinking about disabling checksums. All

...:02:21 SERVER144 i/o to invalid geometry Apr 23 02:02:22 SERVER144 unix: [ID 836849 kern.notice] Apr 23 02:02:22 SERVER144 ^Mpanic[cpu1]/thread=ffffff0017fa1c80: Apr 23 02:02:22 SERVER144 genunix: [ID 809409 kern.notice] ZFS: I/O failure (write on <unknown> off 0: zio ffffffff9a5d4cc0 [L0 bplist] 4000L/4000P DVA[0]=<0:770b24 000:4000> DVA[1]=<0:dfa984000:4000> fletcher4 uncompressed LE contiguous birth=260276 fill=1 cksum=1:1000:800800:2ab2ab000): error 5 Apr 23 02:02:22 SERVER144 unix: [ID 100000 kern.notice] Apr 23 02:02:23 SERVER144 genunix: [ID 655072 kern.notice] ffffff001...