It is, however, delivering almost the same data speeds.
I guess the blocks are bigger but how could this have happened?
zpool iostat -v 3 10 output:
- Code: Select all
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capacity operations bandwidth
pool alloc free read write read write
--------------------------------- ----- ----- ----- ----- ----- -----
ocean 11.6T 4.62T 10.0K 82 507M 2.37M
raidz2 11.6T 4.62T 10.0K 82 507M 2.37M
ST4000VN000-1H4168-Z30280C8:1 - - 1.92K 13 85.6M 400K
ST4000VN000-1H4168-Z30281BC:1 - - 1.91K 13 85.4M 397K
ST4000VN000-1H4168-Z301NKC6:1 - - 1.87K 13 85.2M 413K
ST3000DM001-1ER166-Z5006B1D:1 - - 1.87K 13 85.4M 416K
ST3000DM001-1ER166-W500F0E4:1 - - 1.81K 14 85.6M 416K
ST3000DM001-1ER166-Z5005QAW:1 - - 672 13 79.6M 389K
--------------------------------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
pool alloc free read write read write
--------------------------------- ----- ----- ----- ----- ----- -----
ocean 11.6T 4.62T 12.3K 0 604M 0
raidz2 11.6T 4.62T 12.3K 0 604M 0
ST4000VN000-1H4168-Z30280C8:1 - - 2.33K 0 102M 0
ST4000VN000-1H4168-Z30281BC:1 - - 2.32K 0 102M 0
ST4000VN000-1H4168-Z301NKC6:1 - - 2.33K 0 102M 0
ST3000DM001-1ER166-Z5006B1D:1 - - 2.31K 0 102M 0
ST3000DM001-1ER166-W500F0E4:1 - - 2.29K 0 102M 0
ST3000DM001-1ER166-Z5005QAW:1 - - 773 0 94.9M 0
--------------------------------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
pool alloc free read write read write
--------------------------------- ----- ----- ----- ----- ----- -----
ocean 11.6T 4.62T 11.1K 48 549M 1.09M
raidz2 11.6T 4.62T 11.1K 48 549M 1.09M
ST4000VN000-1H4168-Z30280C8:1 - - 2.07K 8 92.3M 197K
ST4000VN000-1H4168-Z30281BC:1 - - 2.08K 7 92.5M 197K
ST4000VN000-1H4168-Z301NKC6:1 - - 2.10K 6 92.5M 186K
ST3000DM001-1ER166-Z5006B1D:1 - - 2.09K 7 92.5M 176K
ST3000DM001-1ER166-W500F0E4:1 - - 2.03K 7 92.7M 176K
ST3000DM001-1ER166-Z5005QAW:1 - - 719 9 86.5M 186K
--------------------------------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
pool alloc free read write read write
--------------------------------- ----- ----- ----- ----- ----- -----
ocean 11.6T 4.62T 11.9K 0 590M 0
raidz2 11.6T 4.62T 11.9K 0 590M 0
ST4000VN000-1H4168-Z30280C8:1 - - 2.27K 0 99.4M 0
ST4000VN000-1H4168-Z30281BC:1 - - 2.23K 0 99.3M 0
ST4000VN000-1H4168-Z301NKC6:1 - - 2.23K 0 99.2M 0
ST3000DM001-1ER166-Z5006B1D:1 - - 2.24K 0 99.5M 0
ST3000DM001-1ER166-W500F0E4:1 - - 2.22K 0 99.7M 0
ST3000DM001-1ER166-Z5005QAW:1 - - 766 0 92.9M 0
--------------------------------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
pool alloc free read write read write
--------------------------------- ----- ----- ----- ----- ----- -----
ocean 11.6T 4.62T 10.1K 36 500M 928K
raidz2 11.6T 4.62T 10.1K 36 500M 928K
ST4000VN000-1H4168-Z30280C8:1 - - 1.89K 5 84.2M 157K
ST4000VN000-1H4168-Z30281BC:1 - - 1.91K 6 84.4M 157K
ST4000VN000-1H4168-Z301NKC6:1 - - 1.92K 5 84.3M 152K
ST3000DM001-1ER166-Z5006B1D:1 - - 1.91K 5 84.4M 152K
ST3000DM001-1ER166-W500F0E4:1 - - 1.82K 5 84.3M 152K
ST3000DM001-1ER166-Z5005QAW:1 - - 652 5 78.3M 157K
--------------------------------- ----- ----- ----- ----- ----- -----
capacity operations bandwidth
pool alloc free read write read write
--------------------------------- ----- ----- ----- ----- ----- -----
ocean 11.6T 4.62T 10.5K 36 526M 927K
raidz2 11.6T 4.62T 10.5K 36 526M 927K
ST4000VN000-1H4168-Z30280C8:1 - - 1.98K 5 88.6M 157K
ST4000VN000-1H4168-Z30281BC:1 - - 1.94K 6 88.6M 157K
ST4000VN000-1H4168-Z301NKC6:1 - - 1.98K 5 88.7M 152K
ST3000DM001-1ER166-Z5006B1D:1 - - 1.94K 5 88.6M 152K
ST3000DM001-1ER166-W500F0E4:1 - - 1.93K 5 89.1M 152K
ST3000DM001-1ER166-Z5005QAW:1 - - 690 6 82.7M 157K
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