Important when increasing mirrored stripe/concat volumes

mirror=target stands for = The attribute mirror=target specifies that volumes should be mirrored between identical target IDs on different controllers.

root@# vxdisk -e list | egrep 'emc2_07ce|emc2_07cf|apevmx14_0880|apevmx14_0881'
apevmx14_0880 auto:sliced    emc1_1ffc_ol1_1dbdg_m2  ol1_1dbdg   online thinrclm      c15t5000097408472964d111s2 tprclm
apevmx14_0881 auto:sliced    emc1_200c_ol1_1dbdg_m2  ol1_1dbdg   online thinrclm      c15t5000097408472964d112s2 tprclm

emc2_07ce    auto:sliced    emc1_1ffc_ol1_1dbdg_m  ol1_1dbdg   online thinrclm      c15t500009740847255Cd105s2 tprclm
emc2_07cf    auto:sliced    emc1_200c_ol1_1dbdg_m  ol1_1dbdg   online thinrclm      c15t500009740847255Cd106s2 tprclm


mirror=enclr enclr:enc1 enclr:enc2

The disks in one data plex are all taken from enclosure enc1 and the disks in the other data plex are all taken from enclosure enc2.

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root@# vxdisk -e list | egrep 'emc7_0326|emc7_034a|emc6_0327|emc6_034b'
emc6_034b    auto:cdsdisk   dbs10c1_us3db5dg  us3db5dbdg  online               c4t5006048452A8CCD2d218s2 std
emc6_0327    auto:cdsdisk   dbs09c1_us3db5dg  us3db5dbdg  online               c4t5006048452A8CCD2d214s2 std

emc7_034a    auto:cdsdisk   dbs10c0_us3db5dgm  us3db5dbdg  online               c4t5006048452A9CD92d212s2 std
emc7_0326    auto:cdsdisk   dbs09c0_us3db5dgm  us3db5dbdg  online               c4t5006048452A9CD92d208s2 std