[mythtv-users] HDHomeRun corruption

[Michael D. O'Brien]

>
> > obrienmd at mythtv:~$ ifconfig
>> > eth1 Link encap:Ethernet HWaddr 00:21:85:1a:c0:17
>> > inet addr:192.168.123.111 Bcast:192.168.123.255 Mask:255.255.255.0
>> > inet6 addr: fe80::221:85ff:fe1a:c017/64 Scope:Link
>> > UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
>> > RX packets:259430513 errors:0 dropped:671119702 overruns:0 frame:0
>>
>> That's *way* too many dropped packets for a healthy network interface.
>>
>> A packet will be dropped when it's received by the network card when
>> its internal buffer is full.  The CPU is responsible for periodically
>> emptying this buffer, which suggests that something is preventing this
>> from happening frequently enough, such as high disk I/O load or
>> something like that.
>
>
> I figured this.  However, even when recording 4 HD streams at once, 'iostat
> -xk 1' output shows disk utilization at well below 50% for each of the RAID1
> disks that recordings are written to.  Any other thoughts as to what could
> cause all of these dropped packets?
>

I've just started only ONE recording, and can verify that the network
interface is still dropping tons of packets.  iostat shows < 10% utilization
on each drive.
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