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Re: XFS tune to adaptec ASR71605

To: xfs@xxxxxxxxxxx, Steve Brooks <steveb@xxxxxxxxxxxxxxxx>
Subject: Re: XFS tune to adaptec ASR71605
From: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
Date: Tue, 6 May 2014 13:00:08 +0200
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <alpine.LRH.2.02.1405061104580.24742@xxxxxxxxxxxxxxxxxxxxxx>
Organization: Intellique
References: <alpine.LRH.2.02.1405061104580.24742@xxxxxxxxxxxxxxxxxxxxxx>
Le Tue, 6 May 2014 11:25:24 +0100 (BST)
Steve Brooks <steveb@xxxxxxxxxxxxxxxx> écrivait:
> 
> My question is are the "mkfs.xfs" and the mount options I used
> sensible? The RAID is to be used to store data from "numerical
> simulations" that were run on a high performance cluster and is not
> mission critical in the sense that it can be regenerated if lost. Of
> course that would take the user/cluster some time.
> 

Looks fine to me. In my experience, using non default mkfs.xfs settings
makes very little to no difference at all, anyway. In case you're
interested, here are some benchmarks I've made on a similar setup with
bonnie++ (Raid controller 71604, 16x 3 To HGST, RAID-6 + spare (13 data
drives)).

1.96,1.96,storiq,1,1386247609,32160M,,,,886148,94,511728,76,,,1364991,99,699.9,36,50,,,,,32874,93,
+++++,+++,37064,95,32901,96,+++++,+++,33100,93,,22110us,348ms,,62214us,141ms,11973us,111us,141us,131us,10us,134us
1.96,1.96,storiq,1,1386247609,32160M,,,,989408,95,568600,82,,,1623220,95,869.3,17,50,,,,,34624,96,
+++++,+++,39390,94,34764,94,+++++,+++,37472,96,,22037us,213ms,,253ms,232ms,324us,109us,140us,319us,7us,108us
1.96,1.96,storiq,1,1386247609,32160M,,,,1023291,97,580413,81,,,1634417,98,725.4,35,50,,,,,34913,96,
+++++,+++,41099,99,34578,97,+++++,+++,33708,94,,186us,216ms,,54367us,63127us,1016us,104us,5508us,1029us,7us,138us
1.96,1.96,storiq,1,1386247609,32160M,,,,942138,97,578247,81,,,1643345,96,909.4,19,50,,,,,33042,96,
+++++,+++,36391,95,33893,95,+++++,+++,34003,93,,1813us,222ms,,83887us,69003us,1032us,108us,144us,133us,7us,133us
1.96,1.96,storiq,1,1386247609,32160M,,,,939598,97,580680,82,,,1611637,97,728.1,34,50,,,,,34819,96,
+++++,+++,39870,96,34614,97,+++++,+++,37632,96,,2053us,210ms,,71363us,84645us,990us,108us,139us,1030us,6us,1042us
1.96,1.96,storiq,1,1386247609,32160M,,,,972033,98,576180,81,,,1656062,98,722.0,35,50,,,,,34923,97,
+++++,+++,39788,96,33449,95,+++++,+++,32783,95,,3608us,279ms,,82386us,46777us,1026us,105us,137us,1059us,17us,142us
1.96,1.96,storiq,1,1386247609,32160M,,,,937764,98,578995,83,,,1496290,96,731.3,36,50,,,,,34852,97,
+++++,+++,39990,96,34625,97,+++++,+++,35387,96,,185us,206ms,,52160us,41925us,344us,106us,136us,993us,5us,128us
1.96,1.96,storiq,1,1386247609,32160M,,,,1037074,97,580587,81,,,1681379,98,719.0,36,50,,,,,34673,96,
+++++,+++,39961,96,34799,97,+++++,+++,37775,96,,175us,252ms,,29845us,78347us,1035us,113us,137us,1011us,7us,3389us



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Emmanuel Florac     |   Direction technique
                    |   Intellique
                    |   <eflorac@xxxxxxxxxxxxxx>
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