<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Purchased 4 more 1TB spinpoint drives for the OSS's. This should allow for proper raid 6 if the boards, power supplies and backup power can handle the load. <br><br>--- On <b>Sat, 1/10/09, Arden Wiebe <i><albert682@yahoo.com></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"><br>From: Arden Wiebe <albert682@yahoo.com><br>Subject: Re: [Lustre-discuss] Optimal OSS OST drives for boxed deployment<br>To: lustre-discuss@lists.lustre.org<br>Date: Saturday, January 10, 2009, 1:48 PM<br><br><div id="yiv979928872"><table border="0" cellpadding="0" cellspacing="0"><tbody><tr><td style="font-family: inherit; font-style: inherit; font-variant: inherit; font-weight: inherit; font-size: inherit; line-height: inherit; font-size-adjust: inherit; font-stretch: inherit; -x-system-font:
none;" valign="top">The reason I ask is because I am at the tuning and configuration section of my deployment and that includes raiding the servers properly. So far this is what it looks like unmounted from a client. I've had it all mounted from the client connected to an OSS before but that is not ideal.<br><br><br>root@lustreone ~]# cat /proc/fs/lustre/devices<br> 0 UP mgc MGC192.168.0.19@tcp 0c8fe823-9b73-df4d-b3d3-73eb8db70038 5<br> 1 UP ost OSS OSS_uuid 3<br> 2 UP obdfilter datafs-OST001e datafs-OST001e_UUID 3<br> 3 UP obdfilter datafs-OST001f datafs-OST001f_UUID 3<br> 4 UP obdfilter datafs-OST0020 datafs-OST0020_UUID 3<br> 5 UP obdfilter datafs-OST0021 datafs-OST0021_UUID 3<br> 6 UP obdfilter datafs-OST0022 datafs-OST0022_UUID 3<br>[root@lustreone ~]#<br><br>Ouch!<br>[root@lustretwo Desktop]# cat
/proc/fs/lustre/devices<br> 0 UP mgc MGC192.168.0.19@tcp 19c4feb6-3285-f01f-b528-02dfeaef0b57 5<br> 1 UP ost OSS OSS_uuid 3<br> 2 UP obdfilter datafs-OST0023 datafs-OST0023_UUID 5<br> 3 UP obdfilter datafs-OST0024 datafs-OST0024_UUID 5<br> 4 UP obdfilter datafs-OST0025 datafs-OST0025_UUID 5<br> 5 UP obdfilter datafs-OST0026 datafs-OST0026_UUID 5<br> 6 UP obdfilter datafs-OST0027 datafs-OST0027_UUID 5<br>[root@lustretwo Desktop]# <br><br>[root@lustrethree Desktop]# cat /proc/fs/lustre/devices<br> 0 UP mgs MGS MGS 11<br> 1 UP mgc MGC192.168.0.19@tcp 3aba1efe-92c2-88dd-c06b-47be63d63f49 5<br>[root@lustrethree Desktop]#<br>[root@lustrefour Desktop]# cat /proc/fs/lustre/devices<br> 0 UP mgc MGC192.168.0.19@tcp c9c83cf8-2965-4677-5b76-404d738e15bc 5<br> 1 UP mdt MDS MDS_uuid 3<br> 2 UP lov datafs-mdtlov datafs-mdtlov_UUID 4<br> 3 IN osc datafs-OST0000-osc datafs-mdtlov_UUID
5<br> 4 IN osc datafs-OST0001-osc datafs-mdtlov_UUID 5<br> 5 IN osc datafs-OST0002-osc datafs-mdtlov_UUID 5<br> 6 IN osc datafs-OST0003-osc datafs-mdtlov_UUID 5<br> 7 IN osc datafs-OST0004-osc datafs-mdtlov_UUID 5<br> 8 IN osc datafs-OST0005-osc datafs-mdtlov_UUID 5<br> 9 IN osc datafs-OST0006-osc datafs-mdtlov_UUID 5<br> 10 IN osc datafs-OST0007-osc datafs-mdtlov_UUID 5<br> 11 IN osc datafs-OST0008-osc datafs-mdtlov_UUID 5<br> 12 IN osc datafs-OST0009-osc datafs-mdtlov_UUID 5<br> 13 IN osc datafs-OST000a-osc datafs-mdtlov_UUID 5<br> 14 IN osc datafs-OST000b-osc datafs-mdtlov_UUID 5<br> 15 IN osc datafs-OST000c-osc datafs-mdtlov_UUID 5<br> 16 IN osc datafs-OST000d-osc datafs-mdtlov_UUID 5<br> 17 IN osc datafs-OST000e-osc datafs-mdtlov_UUID 5<br> 18 IN osc datafs-OST000f-osc datafs-mdtlov_UUID 5<br> 19 IN osc datafs-OST0010-osc datafs-mdtlov_UUID 5<br> 20 IN osc
datafs-OST0011-osc datafs-mdtlov_UUID 5<br> 21 IN osc datafs-OST0012-osc datafs-mdtlov_UUID 5<br> 22 IN osc datafs-OST0013-osc datafs-mdtlov_UUID 5<br> 23 UP mds datafs-MDT0000 datafs-MDT0000_UUID 5<br> 24 UP osc datafs-OST0014-osc datafs-mdtlov_UUID 5<br> 25 UP osc datafs-OST0015-osc datafs-mdtlov_UUID 5<br> 26 UP osc datafs-OST0016-osc datafs-mdtlov_UUID 5<br> 27 UP osc datafs-OST0017-osc datafs-mdtlov_UUID 5<br> 28 UP osc datafs-OST0018-osc datafs-mdtlov_UUID 5<br> 29 UP osc datafs-OST0019-osc datafs-mdtlov_UUID 5<br> 30 UP osc datafs-OST001a-osc datafs-mdtlov_UUID 5<br> 31 UP osc datafs-OST001b-osc datafs-mdtlov_UUID 5<br> 32 UP osc datafs-OST001c-osc datafs-mdtlov_UUID 5<br> 33 UP osc datafs-OST001d-osc datafs-mdtlov_UUID 5<br> 34 UP osc datafs-OST001e-osc datafs-mdtlov_UUID 5<br> 35 UP osc datafs-OST001f-osc datafs-mdtlov_UUID 5<br> 36 UP osc datafs-OST0020-osc
datafs-mdtlov_UUID 5<br> 37 UP osc datafs-OST0021-osc datafs-mdtlov_UUID 5<br> 38 UP osc datafs-OST0022-osc datafs-mdtlov_UUID 5<br> 39 UP osc datafs-OST0023-osc datafs-mdtlov_UUID 5<br> 40 UP osc datafs-OST0024-osc datafs-mdtlov_UUID 5<br> 41 UP osc datafs-OST0025-osc datafs-mdtlov_UUID 5<br> 42 UP osc datafs-OST0026-osc datafs-mdtlov_UUID 5<br> 43 UP osc datafs-OST0027-osc datafs-mdtlov_UUID 5<br>[root@lustrefour Desktop]# <br><br>--- On <b>Sat, 1/10/09, Arden Wiebe <i><albert682@yahoo.com></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"><br>From: Arden Wiebe <albert682@yahoo.com><br>Subject: [Lustre-discuss] Optimal OSS OST drives for boxed deployment<br>To: lustre-discuss@lists.lustre.org<br>Date: Saturday, January 10, 2009, 1:40 PM<br><br><div class="plainMail">I have
two OSS each have six 1TB drives. <br>sda contains the kernel and the operating system.<br>sdb,sdc,sdd,sde,sdf are the targets and make only a raid 5.<br><br>Is it advisable to add another drive to each of these OSS's to facilitate raid 6 for the targets?<br><br>sda has only / partion and occupies the entire 1TB drive.<br><br><br> <br>_______________________________________________<br>Lustre-discuss mailing list<br><a rel="nofollow">Lustre-discuss@lists.lustre.org</a><br><a rel="nofollow" target="_blank" href="http://lists.lustre.org/mailman/listinfo/lustre-discuss">http://lists.lustre.org/mailman/listinfo/lustre-discuss</a><br></div></blockquote></td></tr></tbody></table><br>
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