I was running badblocks as part of the burn in process and found the estimate time is excessively long ~14days, but I decided to let it finish anyway. Unfortenately at >90% of last pass it was cut off by a power problem. Anyway I was able to find the reason why badblocks runs so slow:
As you can see that read speed is decent but write is abnormally slow. Now the thing is that if I boot into a Ubuntu live image on the same hardware everything looks fine:
So may be a compatibility issue with FreeBSD? Where should I look at next?
My hardware:
Dell R620 as head unit:
Dual E5 2690 v2
128GB RAM
H710P
LSI 9207 8e
Dell network card with 2 x540 2 i350
1 s3500 80G as boot drive
NetAPP DS4243 as DAS:
24 3.5 Bay
swapped in HB-SBB2-E601-COMP IO module because of price on minisas to qsfp cable
12 4TB HGST NL SAS drives HUS726040AL5210
Code:
RAC0182: The iDRAC firmware was rebooted with the following reason: ac.
Code:
root@freenas:~ # dd if=/dev/zero of=/dev/da4 bs=1M ^C5111+0 records in 5110+0 records out 5358223360 bytes transferred in 369.763618 secs (14490943 bytes/sec) root@freenas:~ # dd if=/dev/da4 of=/dev/null bs=1M ^C125744+0 records in 125744+0 records out 131852140544 bytes transferred in 670.443633 secs (196664021 bytes/sec)
As you can see that read speed is decent but write is abnormally slow. Now the thing is that if I boot into a Ubuntu live image on the same hardware everything looks fine:
Code:
ubuntu@ubuntu:~$ sudo dd if=/dev/zero of=/dev/sde bs=1M count=10K 10240+0 records in 10240+0 records out 10737418240 bytes (11 GB, 10 GiB) copied, 63.386 s, 169 MB/s ubuntu@ubuntu:~$ sudo dd if=/dev/sde of=/dev/null bs=1M count=10K 10240+0 records in 10240+0 records out 10737418240 bytes (11 GB, 10 GiB) copied, 55.7659 s, 193 MB/s
So may be a compatibility issue with FreeBSD? Where should I look at next?
My hardware:
Dell R620 as head unit:
Dual E5 2690 v2
128GB RAM
H710P
LSI 9207 8e
Dell network card with 2 x540 2 i350
1 s3500 80G as boot drive
NetAPP DS4243 as DAS:
24 3.5 Bay
swapped in HB-SBB2-E601-COMP IO module because of price on minisas to qsfp cable
12 4TB HGST NL SAS drives HUS726040AL5210