There is an issue with GPU initialization once I've add 8th card to the rig. Some times if fails to initialize 1 cards, another time 2+. Its completely random. Running 2 instances of miner with 1-4 and 5-8 cards helps when you run them one after another though:
************ miniZ v2.0a ************
Number of miniZ CUDA>=[8.0] using driver CUDA[11.70] devices found: 8
Driver: 516.94
Algo: EQ[125,4] [smart-pers]
Pool#0:
server[ru.flux.herominers.com] port[1200] ssl[no] pers[ZelProof]
Telemetry: [http://localhost:3333]
Logging:: file[miniZ.log] period[60] delay[0]
Temp. limit: [90 C]
[INFO ] Mining fee set to 2.00%
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#6[6] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#5[5] ASUS GeForce RTX 3070
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#4[4] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#3[3] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[18:0:00.0: 9100]: Selecting GPU#0[0] Gigabyte GeForce RTX 3080
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#2[2] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#7[7] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#1[1] EVGA GeForce RTX 3070 FTW3 Ultra
[ 0d 0h 0m03s|13:33:23] 504(504.0)Sol/s 332(331.9)W
0>RTX 3080 S: 0/0 [48 C/ 0%] 52.48 I/s 104.70(104.70)Sol/s 88( 88.2)W clk=1649MHz mclk=8991MHz Sol/W=1.186
1>RTX 3070 S: 0/0 [43 C/ 0%] 34.15 I/s 68.13( 68.13)Sol/s 35( 35.1)W clk=1574MHz mclk=7193MHz Sol/W=1.942
2>RTX 3070 S: 0/0 [37 C/30%] 34.38 I/s 68.59( 68.59)Sol/s 30( 29.8)W clk=1574MHz mclk=7193MHz Sol/W=2.301
3>RTX 3070 S: 0/0 [41 C/30%] 34.21 I/s 68.25( 68.25)Sol/s 42( 41.8)W clk=1559MHz mclk=6994MHz Sol/W=1.633
4>RTX 3070 S: 0/0 [44 C/30%] 34.27 I/s 68.37( 68.37)Sol/s 32( 32.5)W clk=1574MHz mclk=7193MHz Sol/W=2.105
5>RTX 3070 S: 0/0 [44 C/ 0%] 0.00 I/s 0.00( 0.00)Sol/s 38( 38.0)W clk=1589MHz mclk=7193MHz Sol/W=0.000
6>RTX 3070 S: 0/0 [37 C/30%] 28.76 I/s 57.38( 57.38)Sol/s 34( 33.8)W clk=1529MHz mclk=7193MHz Sol/W=1.700
7>RTX 3070 S: 0/0 [37 C/30%] 34.36 I/s 68.56( 68.56)Sol/s 33( 32.7)W clk=1574MHz mclk=7193MHz Sol/W=2.100
************ miniZ v2.0a ************
Number of miniZ CUDA>=[8.0] using driver CUDA[11.70] devices found: 8
Driver: 516.94
Algo: EQ[125,4] [smart-pers]
Pool#0:
server[ru.flux.herominers.com] port[1200] ssl[no] pers[ZelProof]
Telemetry: [http://localhost:3333]
Logging:: file[miniZ.log] period[60] delay[0]
Temp. limit: [90 C]
[INFO ] Mining fee set to 2.00%
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#2[2] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#3[3] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#5[5] ASUS GeForce RTX 3070
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#4[4] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#6[6] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#7[7] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#1[1] EVGA GeForce RTX 3070 FTW3 Ultra
miniZ<125,4>[18:0:00.0: 9100]: Selecting GPU#0[0] Gigabyte GeForce RTX 3080
[ 0d 0h 0m03s|13:34:09] 134(133.9)Sol/s 334(334.3)W
0>RTX 3080 S: 0/0 [50 C/ 0%] 0.00 I/s 0.00( 0.00)Sol/s 89( 89.1)W clk=1649MHz mclk=8990MHz Sol/W=0.000
1>RTX 3070 S: 0/0 [45 C/ 0%] 0.00 I/s 0.00( 0.00)Sol/s 35( 35.4)W clk=1574MHz mclk=7193MHz Sol/W=0.000
2>RTX 3070 S: 0/0 [39 C/30%] 0.00 I/s 0.00( 0.00)Sol/s 31( 30.7)W clk=1574MHz mclk=7193MHz Sol/W=0.000
3>RTX 3070 S: 0/0 [43 C/30%] 0.00 I/s 0.00( 0.00)Sol/s 42( 42.0)W clk=1559MHz mclk=6994MHz Sol/W=0.000
4>RTX 3070 S: 0/0 [45 C/30%] 33.96 I/s 67.76(67.76)Sol/s 33( 32.6)W clk=1574MHz mclk=7193MHz Sol/W=2.076
5>RTX 3070 S: 0/0 [40 C/ 0%] 0.00 I/s 0.00( 0.00)Sol/s 37( 36.8)W clk=1589MHz mclk=7193MHz Sol/W=0.000
6>RTX 3070 S: 0/0 [40 C/30%] 33.14 I/s 66.11(66.11)Sol/s 34( 34.4)W clk=1529MHz mclk=7157MHz Sol/W=1.924
7>RTX 3070 S: 0/0 [39 C/30%] 0.00 I/s 0.00( 0.00)Sol/s 33( 33.3)W clk=1574MHz mclk=7120MHz Sol/W=0.000
************ miniZ v2.0a ************
Number of miniZ CUDA>=[8.0] using driver CUDA[11.70] devices found: 8
Driver: 516.94
Algo: EQ[125,4] [smart-pers]
Pool#0:
server[ru.flux.herominers.com] port[1200] ssl[no] pers[ZelProof]
Telemetry: [http://localhost:3333]
Logging:: file[miniZ.log] period[60] delay[0]
Temp. limit: [90 C]
[INFO ] Mining fee set to 2.00%
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#5[5] ASUS GeForce RTX 3070
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#3[3] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#2[2] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#1[1] EVGA GeForce RTX 3070 FTW3 Ultra
miniZ<125,4>[18:0:00.0: 9100]: Selecting GPU#0[0] Gigabyte GeForce RTX 3080
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#4[4] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#7[7] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#6[6] MSI GeForce RTX 3070 8GB Gaming X Trio
[ 0d 0h 0m04s|13:32:02] 309(309.2)Sol/s 305(305.0)W
0>RTX 3080 S: 0/0 [39 C/67%] 51.80 I/s 103.34(103.34)Sol/s 70( 69.9)W clk=1619MHz mclk=4997MHz Sol/W=1.479
1>RTX 3070 S: 0/0 [36 C/ 0%] 34.20 I/s 68.23( 68.23)Sol/s 34( 33.9)W clk=1574MHz mclk=7193MHz Sol/W=2.011
2>RTX 3070 S: 0/0 [36 C/30%] 0.00 I/s 0.00( 0.00)Sol/s 30( 29.5)W clk=1574MHz mclk=7193MHz Sol/W=0.000
3>RTX 3070 S: 0/0 [39 C/ 0%] 0.00 I/s 0.00( 0.00)Sol/s 41( 41.5)W clk=1574MHz mclk=6994MHz Sol/W=0.000
4>RTX 3070 S: 0/0 [39 C/30%] 34.35 I/s 68.52( 68.52)Sol/s 32( 32.0)W clk=1574MHz mclk=7193MHz Sol/W=2.139
5>RTX 3070 S: 0/0 [36 C/ 0%] 34.66 I/s 69.15( 69.15)Sol/s 32( 32.2)W clk=1589MHz mclk=7193MHz Sol/W=2.150
6>RTX 3070 S: 0/0 [36 C/30%] 0.00 I/s 0.00( 0.00)Sol/s 34( 33.6)W clk=1529MHz mclk=7193MHz Sol/W=0.000
7>RTX 3070 S: 0/0 [35 C/30%] 0.00 I/s 0.00( 0.00)Sol/s 32( 32.4)W clk=1574MHz mclk=7131MHz Sol/W=0.000
************ miniZ v2.0a ************
Number of miniZ CUDA>=[8.0] using driver CUDA[11.70] devices found: 8
Driver: 516.94
Algo: EQ[125,4] [smart-pers]
Pool#0:
server[ru.flux.herominers.com] port[1200] ssl[no] pers[ZelProof]
Telemetry: [http://localhost:3333]
Logging:: file[miniZ.log] period[60] delay[0]
Temp. limit: [90 C]
[INFO ] Mining fee set to 2.00%
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#1[1] EVGA GeForce RTX 3070 FTW3 Ultra
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#3[3] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#6[6] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#4[4] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#7[7] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#5[5] ASUS GeForce RTX 3070
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#2[2] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[18:0:00.0: 9100]: Selecting GPU#0[0] Gigabyte GeForce RTX 3080
[ 0d 0h 0m04s|13:28:33] 429(429.0)Sol/s 329(329.0)W
0>RTX 3080 S: 0/0 [48 C/67%] 51.31 I/s 102.36(102.36)Sol/s 89( 89.2)W clk=1649MHz mclk=8991MHz Sol/W=1.148
1>RTX 3070 S: 0/0 [42 C/42%] 28.74 I/s 57.33( 57.33)Sol/s 36( 35.7)W clk=1574MHz mclk=7193MHz Sol/W=1.605
2>RTX 3070 S: 0/0 [34 C/30%] 33.76 I/s 67.35( 67.35)Sol/s 30( 30.0)W clk=1574MHz mclk=7193MHz Sol/W=2.248
3>RTX 3070 S: 0/0 [34 C/30%] 33.82 I/s 67.47( 67.47)Sol/s 41( 41.1)W clk=1574MHz mclk=6994MHz Sol/W=1.643
4>RTX 3070 S: 0/0 [42 C/30%] 33.66 I/s 67.16( 67.16)Sol/s 33( 33.0)W clk=1574MHz mclk=7193MHz Sol/W=2.035
5>RTX 3070 S: 1/0 [43 C/49%]*33.76 I/s 67.35( 67.35)Sol/s 33( 32.9)W clk=1589MHz mclk=7193MHz Sol/W=2.050
6>RTX 3070 S: 0/0 [41 C/30%] 0.00 I/s 0.00( 0.00)Sol/s 34( 34.5)W clk=1529MHz mclk=7193MHz Sol/W=0.000
7>RTX 3070 S: 0/0 [40 C/30%] 0.00 I/s 0.00( 0.00)Sol/s 33( 32.7)W clk=1574MHz mclk=7120MHz Sol/W=0.000
************ miniZ v2.0a ************
Number of miniZ CUDA>=[8.0] using driver CUDA[11.70] devices found: 8
Driver: 516.94
Algo: EQ[125,4] [smart-pers]
Pool#0:
server[ru.flux.herominers.com] port[1200] ssl[no] pers[ZelProof]
Telemetry: [http://localhost:3333]
Logging:: file[miniZ.log] period[60] delay[0]
Temp. limit: [90 C]
[INFO ] Mining fee set to 2.00%
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#2[2] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#1[1] EVGA GeForce RTX 3070 FTW3 Ultra
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#3[3] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#5[5] ASUS GeForce RTX 3070
miniZ<125,4>[18:0:00.0: 9100]: Selecting GPU#0[0] Gigabyte GeForce RTX 3080
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#4[4] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#6[6] MSI GeForce RTX 3070 8GB Gaming X Trio
miniZ<125,4>[19:0:00.0: 7127]: Selecting GPU#7[7] MSI GeForce RTX 3070 8GB Gaming X Trio
[ 0d 0h 0m04s|13:26:29] 413(413.2)Sol/s 282(282.1)W
0>RTX 3080 S: 0/0 [34 C/67%] 50.73 I/s 101.20(101.20)Sol/s 68( 68.5)W clk=1619MHz mclk=4997MHz Sol/W=1.478
1>RTX 3070 S: 0/0 [32 C/48%] 29.62 I/s 59.09( 59.09)Sol/s 32( 31.7)W clk=1574MHz mclk=4995MHz Sol/W=1.862
2>RTX 3070 S: 0/0 [33 C/36%] 0.00 I/s 0.00( 0.00)Sol/s 30( 30.0)W clk=1574MHz mclk=7193MHz Sol/W=0.000
3>RTX 3070 S: 0/0 [34 C/ 0%] 0.00 I/s 0.00( 0.00)Sol/s 28( 28.0)W clk= 880MHz mclk=3158MHz Sol/W=0.000
4>RTX 3070 S: 0/0 [34 C/33%] 33.13 I/s 66.10( 66.10)Sol/s 32( 31.8)W clk=1574MHz mclk=7193MHz Sol/W=2.076
5>RTX 3070 S: 0/0 [33 C/53%] 33.29 I/s 66.41( 66.41)Sol/s 31( 31.2)W clk=1589MHz mclk=7193MHz Sol/W=2.128
6>RTX 3070 S: 0/0 [33 C/33%] 30.00 I/s 59.85( 59.85)Sol/s 32( 32.2)W clk=1544MHz mclk=4995MHz Sol/W=1.857
7>RTX 3070 S: 0/0 [33 C/33%] 30.33 I/s 60.50( 60.50)Sol/s 29( 28.6)W clk=1574MHz mclk=4995MHz Sol/W=2.112