<br><br><div class="gmail_quote">On Tue, Aug 9, 2011 at 5:40 PM, Joey McDonald <span dir="ltr"><<a href="mailto:joey@scare.org">joey@scare.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Hi Pavan,<div><br></div><div>Thanks for your quick reply, comments inline:<br><br><div class="gmail_quote"><div class="im"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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1. Are these baremetal systems or are they Virtual machines ?<br></blockquote><div><br></div></div><div>Bare metal systems. </div><div class="im"><div><br></div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
2. What is the amount of RAM of each of these systems ?<br></blockquote><div><br></div></div><div>They all have 4194304 kB of memory.</div><div class="im"><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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3. How many CPUs do they have ?<br></blockquote><div><br></div></div><div>They each have 8 procs.</div><div class="im"><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
4. Can you also perform the dd on /gluster as opposed to /root to check the backend performance ?<br></blockquote><div><br></div></div><div>Sure, here is that output:<br><br><div>[root@vm-container-0-0 ~]# dd if=/dev/zero of=/gluster/dd_test.img bs=1M count=2000</div>
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<div>2000+0 records in</div><div>2000+0 records out</div></div><div><a href="tel:2097152000" value="+12097152000" target="_blank">2097152000</a> bytes (2.1 GB) copied, 6.65193 seconds, 315 MB/s</div></div><div class="im">
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5. What is your disk backend ? Is it direct attached or is it an array ?<br></blockquote><div><br></div></div><div>Direct attached, /gluster is /dev/sdb1, 1TB SATA drive (as is /dev/sda):</div><div><br></div><div><div>[root@vm-container-0-0 ~]# hdparm -i /dev/sdb</div>
<div><br></div><div>/dev/sdb:</div><div><br></div><div> Model=WDC WD1002FBYS-02A6B0 , FwRev=03.00C06, SerialNo= WD-WMATV5311442</div><div> Config={ HardSect NotMFM HdSw>15uSec SpinMotCtl Fixed DTR>5Mbs FmtGapReq }</div>
<div> RawCHS=16383/16/63, TrkSize=0, SectSize=0, ECCbytes=50</div><div> BuffType=unknown, BuffSize=32767kB, MaxMultSect=16, MultSect=?0?</div><div> CurCHS=16383/16/63, CurSects=16514064, LBA=yes, LBAsects=268435455</div>
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IORDY=on/off, tPIO={min:120,w/IORDY:120}, tDMA={min:120,rec:120}</div><div> PIO modes: pio0 pio3 pio4 </div><div> DMA modes: mdma0 mdma1 mdma2 </div><div> UDMA modes: udma0 udma1 udma2 </div><div> AdvancedPM=no WriteCache=enabled</div>
<div> Drive conforms to: Unspecified: ATA/ATAPI-1 ATA/ATAPI-2 ATA/ATAPI-3 ATA/ATAPI-4 ATA/ATAPI-5 ATA/ATAPI-6 ATA/ATAPI-7</div><div><br></div><div> * signifies the current active mode</div></div><div class="im"><div><br>
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6. What is the backend filesystem ?<br></blockquote><div><br></div></div><div>ext3</div><div class="im"><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
7. Can you run a simple scp of about 10M between any two of these systems and report the speed ?<br></blockquote><div><br></div></div><div> Sure, output:</div><div><br></div><div><div>[root@vm-container-0-1 ~]# scp vm-container-0-0:/gluster/dd_test.img .</div>
<div>Warning: Permanently added 'vm-container-0-0' (RSA) to the list of known hosts.</div><div>root@vm-container-0-0's password: </div><div>dd_test.img 100% 2000MB 39.2MB/s 00:51 </div>
</div><div><br></div><font color="#888888"><div><br></div><div> --joey</div><div><br></div><div><br></div><div><br></div></font></div></div>
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