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Hi,<br>
<br>
I decided I would hammer my GlusterFS NFS mounts with:<br>
<br>
# watch -n 0 dd if=/dev/zero of=ddfile bs=8k count=2000000<br>
<br>
I stopped the writes long ago, yet my gluster server is still going
along.<br>
<br>
<small><small><font face="Courier New, Courier, monospace">MDD
| md0 | | busy 0% |
| read 259 | | write 315 |
| KiB/r 438 | | | KiB/w 507
| | MBr/s 22.20 | | MBw/s 31.20
| | avq 0.00 | | avio 0.00 ms
|<br>
MDD | md2 | | busy 0%
| | read 405 | | write 214
| | KiB/r 409 | |
| KiB/w 497 | | MBr/s 32.40 |
| MBw/s 20.80 | | avq 0.00 |
| avio 0.00 ms |<br>
DSK | sdk | | busy 18%
| | read 132 | | write 110
| | KiB/r 415 | |
| KiB/w 485 | | MBr/s 10.72 |
| MBw/s 10.43 | | avq 22.13 |
| avio 3.54 ms |<br>
DSK | sdl | | busy 16%
| | read 135 | | write 107
| | KiB/r 414 | |
| KiB/w 496 | | MBr/s 10.92 |
| MBw/s 10.38 | | avq 20.79 |
| avio 3.16 ms |<br>
DSK | sde | | busy 15%
| | read 135 | | write 110
| | KiB/r 409 | |
| KiB/w 488 | | MBr/s 10.80 |
| MBw/s 10.50 | | avq 25.55 |
| avio 2.96 ms |<br>
DSK | sdd | | busy 15%
| | read 53 | | write 111
| | KiB/r 434 | |
| KiB/w 479 | | MBr/s 4.50 |
| MBw/s 10.40 | | avq 15.65 |
| avio 4.27 ms |<br>
DSK | sdf | | busy 14%
| | read 52 | | write 109
| | KiB/r 437 | |
| KiB/w 489 | | MBr/s 4.44 |
| MBw/s 10.41 | | avq 25.47 |
| avio 4.12 ms |<br>
DSK | sdj | | busy 13%
| | read 54 | | write 108
| | KiB/r 424 | |
| KiB/w 493 | | MBr/s 4.47 |
| MBw/s 10.40 | | avq 25.53 |
| avio 3.85 ms |<br>
DSK | sdg | | busy 12%
| | read 51 | | write 109
| | KiB/r 441 | |
| KiB/w 489 | | MBr/s 4.40 |
| MBw/s 10.41 | | avq 24.37 |
| avio 3.67 ms |<br>
DSK | sdh | | busy 12%
| | read 51 | | write 110
| | KiB/r 441 | |
| KiB/w 484 | | MBr/s 4.40 |
| MBw/s 10.40 | | avq 22.06 |
| avio 3.48 ms |<br>
NET | transport | | tcpi 217035 | tcpo
469958 | | udpi 2 | |
udpo 2 | | tcpao 0 | tcppo 6
| | tcprs 84 | | tcpie 0
| | tcpor 2 | udpnp 0 |
| udpip 0 |<br>
NET | network | | ipi 217128
| | ipo 191986 | | ipfrw 0
| | deliv 217039 | |
| | | |
| | | icmpi 2 |
| icmpo 0 |<br>
NET | eth4 24% | | pcki 53820
| | pcko 100866 | | si 6391 Kbps
| | so 244 Mbps | | coll 0
| mlti 0 | | erri 0 |
| erro 0 | | drpi 0 |
| drpo 0 |<br>
NET | eth2 24% | | pcki 122557
| | pcko 123208 | | si 243 Mbps
| | so 241 Mbps | | coll 0
| mlti 5 | | erri 0 |
| erro 0 | | drpi 0 |
| drpo 0 |<br>
NET | eth3 24% | | pcki 53846
| | pcko 100256 | | si 6380 Kbps
| | so 242 Mbps | | coll 0
| mlti 0 | | erri 0 |
| erro 0 | | drpi 0 |
| drpo 0 |<br>
NET | eth1 24% | | pcki 121621
| | pcko 123520 | | si 241 Mbps
| | so 242 Mbps | | coll 0
| mlti 6 | | erri 0 |
| erro 0 | | drpi 0 |
| drpo 0 |</font></small></small><br>
<br>
What's happening? Why are there big reads when I was only doing a
write test? Why is the ethernet still busy?<br>
<br>
Looks like I'm back to trying DRBD.<br>
<br>
Gerald<br>
<br>
<pre class="moz-signature" cols="72">--
Gerald Brandt
Majentis Technologies
<a class="moz-txt-link-abbreviated" href="mailto:gbr@majentis.com">gbr@majentis.com</a>
204-229-6595
<a class="moz-txt-link-abbreviated" href="http://www.majentis.com">www.majentis.com</a>
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