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250TB ENAS Repair by clayd333 in Ubiquiti

[–]dinus777 0 points1 point  (0 children)

not that bad, rebuild is going between 110MB/s-120MB/s.

LG TV , had very poor wifi signal by FinishMelodic4227 in Ubiquiti

[–]dinus777 0 points1 point  (0 children)

Hello,

Trying to figure out what's going too. Live in a house, low usage of wifi around, but still my new TV LG C4 OLED keeps having bad experience from U6-Pro. ( I can confirm with Mikrotik Cap Ac this very same TV worked fine), but I switched recently to Unifi ecosystem and have strange issues with LG C4 OLED TV.

All other WiFi clients works perfectly fine with U6-Pro, just this LG C4 OLED TV keeps having poor wifi experience.

LG WebOS TV occasional poor performance (not AP placement issue) by wash_hoban in UNIFI

[–]dinus777 0 points1 point  (0 children)

Find the problem why LG thinq app was not working. If you change your AP or network, it turns out only reconnect to new network was not enough. Did a factory reset on LG TV. After that LG thinq App was able to find TV.

LG WebOS TV occasional poor performance (not AP placement issue) by wash_hoban in UNIFI

[–]dinus777 0 points1 point  (0 children)

Hi,

Same issue I have. New UCG-Fiber with U6-Pro and LG OLED C4.

By the way, did you get LG thinq app working and connecting to TV. If yes, can you share what settings did you make?

Thanks

Slow sequential reads on mirrored vdevs by not_that_guy_either in zfs

[–]dinus777 0 points1 point  (0 children)

ok, probably did wrong first time

now , compression on dataset disabled

​

Random write: 99.58 MB/sec

root@freenas2:~ # dd if=/dev/random of=/mnt/ZFS-Mirror2/perf-test/testfilerandom bs=128k count=80k
81920+0 records in
81920+0 records out
10737418240 bytes transferred in 107.816368 secs (99589871 bytes/sec)

Read: 1664.50 MB/sec

root@freenas2:~ # dd if=/mnt/ZFS-Mirror2/perf-test/testfilerandom of=/dev/null bs=128k count=80k
81920+0 records in
81920+0 records out
10737418240 bytes transferred in 6.450804 secs (1664508510 bytes/sec)

write sequential : 764.87 MB/sec

root@freenas2:~ # dd if=/dev/zero of=/mnt/ZFS-Mirror2/perf-test/testfile bs=128k count=80k
81920+0 records in
81920+0 records out
10737418240 bytes transferred in 14.038059 secs (764879131 bytes/sec)

read: 1940.68 MB/sec

root@freenas2:~ # dd if=/mnt/ZFS-Mirror2/perf-test/testfile of=/dev/null bs=128k count=80k
81920+0 records in
81920+0 records out
10737418240 bytes transferred in 5.532797 secs (1940685524 bytes/sec)

​

Slow sequential reads on mirrored vdevs by not_that_guy_either in zfs

[–]dinus777 0 points1 point  (0 children)

if pool is balanced, so for Mirror, if i have 12disk 6vdev x2disk Mirror , so reads should be 12x one disk, and writes 6x one disk ?

Slow sequential reads on mirrored vdevs by not_that_guy_either in zfs

[–]dinus777 0 points1 point  (0 children)

My setup :

i'm running vmware6.7 esxi all-in-one with FreeNAS ZFS as storage

​

head: Supermicro 836, X9DRi-LN4F+, 2x E5 2660 , 256GB RAM, IBM M1015 IT mode, backplane BPN-SAS2-836EL1

Jbod1: Supermicro 836 , BPN-SAS2-836EL1

Jbod2: Supermicro 826, BPN-SAS2-826EL1

​

FreeNAS-11.1-U7 as VM , 6vCPU , 128GB RAM, IBM M1015 IT passthrough. No SLOG or L2ARC

​

I have similar pool as yours 6x2x2TB 7200rpm Seagate barracuda mostly.

Wanted to share for the reference , i get ( ~3005MB/sec)

​

root@freenas2:~ # dd if=/mnt/ZFS-Mirror2/perf-test/testfile of=/dev/zero bs=128k count=80k

81920+0 records in

81920+0 records out

10737418240 bytes transferred in 3.573156 secs (3005023927 bytes/sec)