<div dir="auto">Likely you're seeing the discrepancy as a result of precreated objects.<div dir="auto"><br></div><div dir="auto">Cheers</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Apr 13, 2019, 2:58 AM Youssef Eldakar <<a href="mailto:youssefeldakar@gmail.com">youssefeldakar@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div>For one Lustre filesystem, inode count in the summary is notably less than what the individual OST inode counts would add up to:</div><div><br></div><div># lfs df -i /lfs01<br>UUID Inodes IUsed IFree IUse% Mounted on<br>lustrefs-MDT0000_UUID 2402287616 46560885 2355726731 2% /share/lfs01[MDT:0]<br>lustrefs-OST0001_UUID 24117248 22883788 1233460 95% /share/lfs01[OST:1]<br>lustrefs-OST0003_UUID 24117248 22903308 1213940 95% /share/lfs01[OST:3]<br>lustrefs-OST0004_UUID 24117248 22895442 1221806 95% /share/lfs01[OST:4]<br>lustrefs-OST0006_UUID 24117248 22890201 1227047 95% /share/lfs01[OST:6]<br><br>filesystem_summary: 51457138 46560885 4896253 90% /share/lfs01<br><br></div><div>On another filesystem, this is not the case:</div><div><br></div><div># lfs df -i /lfs02<br>UUID Inodes IUsed IFree IUse% Mounted on<br>lustrefs-MDT0000_UUID 1288503296 19222318 1269280978 1% /share/lfs02[MDT:0]<br>lustrefs-OST0001_UUID 24117248 5942156 18175092 25% /share/lfs02[OST:1]<br>lustrefs-OST0002_UUID 24117248 5816469 18300779 24% /share/lfs02[OST:2]<br>lustrefs-OST0003_UUID 24117248 5982962 18134286 25% /share/lfs02[OST:3]<br><br>filesystem_summary: 73832475 19222318 54610157 26% /share/lfs02<br><br></div><div>In fact, in the latter case, the whole is slightly greater than the sum of its parts.</div><div><br></div><div>Any pointers regarding where I would look for an explanation would be appreciated.</div><div><br></div><div>Youssef Eldakar</div><div>Bibliotheca Alexandrina<br></div></div></div></div>
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