<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>The discrepancies between lfs df -h and df -h I think that largely have to do with the way GB are calculated. Ether based on 1000 or 1024. Remember you lose about 5% of each underlying volume due to the 5% reserved for root. </div><div><br class="webkit-block-placeholder"></div><div>Aaron</div><br><div><div>On Feb 12, 2008, at 8:38 AM, Timh Bergstrm wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Hi,<br><br>Just got a smaller Lustre system running with 1 mdt/mgs and 2 ost's. On the osts i've added 1x10GB disk and 1x20GB disk<br clear="all"> on each system and formatted and mounted them as /mnt/ost1-4 (ost1) and /mnt/ost2-3 (ost2). I've also mounted the lustre system on the mdt/mgs server with mount -t lustre x.y.n.p@tcp:/testfs /mnt/lustre. So far so good, however df -h only reports 9/60GB avail where lsf df -h reports 54.4G available. <br> <br>172.16.x.y@tcp:/testfs<br> 60G 50G 9.0G 85% /mnt/lustre<br><br>vs<br><br>filesystem summary: 59.1G 4.7G 54.4G 7% /mnt/lustre<br><br>--<br><br>lustre-client:/mnt/lustre# du -hcs<br> 4.0K .<br>4.0K total<br><br>I cant find anything on this in the lists or manual, but do you have to have equal size disks to get all the usable space available to the system mounting lustre? Is this somehow connected to stripe-size or some automatic failover settings. My original intent was to create a large storage area using lustre for numerous clients to mount and use as diskspace.<br> <br>-- <br>Timh Bergstrm<br>System Administrator<br>Diino AB - <a href="http://www.diino.com">www.diino.com</a><br>:wq _______________________________________________<br>Lustre-discuss mailing list<br><a href="mailto:Lustre-discuss@lists.lustre.org">Lustre-discuss@lists.lustre.org</a><br><a href="http://lists.lustre.org/mailman/listinfo/lustre-discuss">http://lists.lustre.org/mailman/listinfo/lustre-discuss</a><br></blockquote></div><br><div apple-content-edited="true"> <span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div>Aaron Knister</div><div>Associate Systems Analyst</div><div><div><div>Center for Ocean-Land-Atmosphere Studies</div></div><div></div></div><div><br class="khtml-block-placeholder"></div><div>(301) 595-7000</div><div><a href="mailto:aaron@iges.org">aaron@iges.org</a></div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span></div></span></div></span><br class="Apple-interchange-newline"> </div><br></body></html>