We use this filesystem for project and code storage without any backup. Users need to write these files manually to the tape if they need it a backup uptime 11:04:04 up 10 days, 45 min, 1 user, load average: 0.11, 0.22, 0.25 open 21842492 samples [reqs] close 7783529 samples [reqs] unlink 89046 samples [reqs] rename 10803 samples [reqs] getattr 136445347 samples [reqs] setattr 97527 samples [reqs] sync 43379 samples [reqs] 'lfs df' output: UUID 1K-blocks Used Available Use% Mounted on lustre-MDT0000_UUID 110092260 3350556 106741704 3% /lustre[MDT:0] lustre-OST0000_UUID 2884114628 2499472756 384641652 86% /lustre[OST:0] lustre-OST0001_UUID 2884114628 2531717148 352397396 87% /lustre[OST:1] lustre-OST0002_UUID 2884114628 2471885580 412215628 85% /lustre[OST:2] lustre-OST0003_UUID 2884114628 2494999084 389115444 86% /lustre[OST:3] lustre-OST0004_UUID 2884114628 2499011196 385103332 86% /lustre[OST:4] lustre-OST0005_UUID 2884114628 2486785532 397329008 86% /lustre[OST:5] lustre-OST0006_UUID 2884114628 2520312396 363801188 87% /lustre[OST:6] lustre-OST0007_UUID 2884114628 2453422812 430691748 85% /lustre[OST:7] lustre-OST0008_UUID 2884114628 2570931872 313182360 89% /lustre[OST:8] lustre-OST0009_UUID 2884085444 2383729096 500356272 82% /lustre[OST:9] lustre-OST000a_UUID 2884110020 2512100708 372009308 87% /lustre[OST:10] lustre-OST000b_UUID 2884110020 2460095924 424014092 85% /lustre[OST:11] lustre-OST000c_UUID 2884114628 2494064804 390049740 86% /lustre[OST:12] lustre-OST000d_UUID 2884114628 2378430176 505684448 82% /lustre[OST:13] lustre-OST000e_UUID 2884114628 2510388140 373726484 87% /lustre[OST:14] lustre-OST000f_UUID 2884114628 2483525540 400572704 86% /lustre[OST:15] lustre-OST0010_UUID 2884114628 2496379872 387734664 86% /lustre[OST:16] lustre-OST0011_UUID 2884114628 2460190636 423923896 85% /lustre[OST:17] lustre-OST0012_UUID 2884114628 2451608360 432506172 85% /lustre[OST:18] lustre-OST0013_UUID 2884114628 2413632956 470481516 83% /lustre[OST:19] lustre-OST0014_UUID 2884114628 2427340220 456774284 84% /lustre[OST:20] lustre-OST0015_UUID 2884110020 2386463304 497646628 82% /lustre[OST:21] lustre-OST0016_UUID 2884110020 2469800676 414309340 85% /lustre[OST:22] lustre-OST0017_UUID 2884110020 2508144364 375965512 86% /lustre[OST:23] lustre-OST0018_UUID 2884114628 2491842856 392264528 86% /lustre[OST:24] lustre-OST0019_UUID 2884114628 2544022572 340091964 88% /lustre[OST:25] lustre-OST001a_UUID 2884114628 2384050288 500064256 82% /lustre[OST:26] lustre-OST001b_UUID 2884114628 2541539344 342575220 88% /lustre[OST:27] lustre-OST001c_UUID 2884114628 2420779448 463335108 83% /lustre[OST:28] lustre-OST001d_UUID 2884114628 2505354096 378760528 86% /lustre[OST:29] lustre-OST001e_UUID 2884114628 2357578536 526536016 81% /lustre[OST:30] lustre-OST001f_UUID 2884114628 2540526796 343587744 88% /lustre[OST:31] lustre-OST0020_UUID 2884110020 2476502220 407607596 85% /lustre[OST:32] lustre-OST0021_UUID 2884110020 2477269720 406838184 85% /lustre[OST:33] lustre-OST0022_UUID 2884110020 2500748300 383361636 86% /lustre[OST:34] lustre-OST0023_UUID 2884114628 2462201160 421913380 85% /lustre[OST:35] lustre-OST0024_UUID 2883950796 2440698836 443251796 84% /lustre[OST:36] lustre-OST0025_UUID 2883950796 2482524832 401425792 86% /lustre[OST:37] lustre-OST0026_UUID 2883950796 2416383064 467567580 83% /lustre[OST:38] lustre-OST0027_UUID 2883950796 2455693800 428251840 85% /lustre[OST:39] lustre-OST0028_UUID 2883950796 2445335428 438614560 84% /lustre[OST:40] lustre-OST0029_UUID 2883950796 2443137624 440813060 84% /lustre[OST:41] lustre-OST002a_UUID 2883950796 2461243568 422707132 85% /lustre[OST:42] lustre-OST002b_UUID 2883950796 2439715980 444234808 84% /lustre[OST:43] lustre-OST002c_UUID 2883950796 2499767284 384183356 86% /lustre[OST:44] lustre-OST002d_UUID 2883950796 2365586028 518364668 82% /lustre[OST:45] lustre-OST002e_UUID 2883950796 2546567452 337382720 88% /lustre[OST:46] lustre-OST002f_UUID 2883950796 2432341816 451608888 84% /lustre[OST:47] filesystem summary: 138435470112 118495844200 19939575176 85% /lustre 'lfs df -i' output: UUID Inodes IUsed IFree IUse% Mounted on lustre-MDT0000_UUID 31457280 21292654 10164626 67% /lustre[MDT:0] lustre-OST0000_UUID 96533255 372787 96160468 0% /lustre[OST:0] lustre-OST0001_UUID 88448539 349169 88099370 0% /lustre[OST:1] lustre-OST0002_UUID 103403114 345853 103057261 0% /lustre[OST:2] lustre-OST0003_UUID 97609328 330442 97278886 0% /lustre[OST:3] lustre-OST0004_UUID 96605816 329958 96275858 0% /lustre[OST:4] lustre-OST0005_UUID 99659060 326786 99332274 0% /lustre[OST:5] lustre-OST0006_UUID 91319290 368732 90950558 0% /lustre[OST:6] lustre-OST0007_UUID 108048101 375147 107672954 0% /lustre[OST:7] lustre-OST0008_UUID 78569804 293663 78276141 0% /lustre[OST:8] lustre-OST0009_UUID 125402379 313292 125089087 0% /lustre[OST:9] lustre-OST000a_UUID 93318430 316102 93002328 0% /lustre[OST:10] lustre-OST000b_UUID 106322365 318846 106003519 0% /lustre[OST:11] lustre-OST000c_UUID 97758361 245905 97512456 0% /lustre[OST:12] lustre-OST000d_UUID 126748774 327661 126421113 0% /lustre[OST:13] lustre-OST000e_UUID 93786667 355045 93431622 0% /lustre[OST:14] lustre-OST000f_UUID 100467098 322388 100144710 0% /lustre[OST:15] lustre-OST0010_UUID 97267658 333970 96933688 0% /lustre[OST:16] lustre-OST0011_UUID 106334239 353241 105980998 0% /lustre[OST:17] lustre-OST0012_UUID 108411835 285270 108126565 0% /lustre[OST:18] lustre-OST0013_UUID 117952887 333641 117619246 0% /lustre[OST:19] lustre-OST0014_UUID 114526216 332614 114193602 0% /lustre[OST:20] lustre-OST0015_UUID 124742257 330578 124411679 0% /lustre[OST:21] lustre-OST0016_UUID 103917055 339719 103577336 0% /lustre[OST:22] lustre-OST0017_UUID 94337542 350736 93986806 0% /lustre[OST:23] lustre-OST0018_UUID 98509166 441223 98067943 0% /lustre[OST:24] lustre-OST0019_UUID 85452177 432591 85019586 0% /lustre[OST:25] lustre-OST001a_UUID 125453573 437488 125016085 0% /lustre[OST:26] lustre-OST001b_UUID 86097048 453227 85643821 0% /lustre[OST:27] lustre-OST001c_UUID 116282388 448593 115833795 0% /lustre[OST:28] lustre-OST001d_UUID 95133208 443076 94690132 0% /lustre[OST:29] lustre-OST001e_UUID 132088113 454090 131634023 0% /lustre[OST:30] lustre-OST001f_UUID 86329718 432760 85896958 0% /lustre[OST:31] lustre-OST0020_UUID 102316620 414670 101901950 0% /lustre[OST:32] lustre-OST0021_UUID 102164199 454124 101710075 0% /lustre[OST:33] lustre-OST0022_UUID 96297776 457346 95840430 0% /lustre[OST:34] lustre-OST0023_UUID 105905193 426827 105478366 0% /lustre[OST:35] lustre-OST0024_UUID 111478595 666776 110811819 0% /lustre[OST:36] lustre-OST0025_UUID 101013469 658184 100355285 0% /lustre[OST:37] lustre-OST0026_UUID 117527698 636971 116890727 0% /lustre[OST:38] lustre-OST0027_UUID 107707258 643009 107064249 0% /lustre[OST:39] lustre-OST0028_UUID 110287346 633506 109653840 0% /lustre[OST:40] lustre-OST0029_UUID 110859994 656701 110203293 0% /lustre[OST:41] lustre-OST002a_UUID 106307620 630813 105676807 0% /lustre[OST:42] lustre-OST002b_UUID 111705160 647482 111057678 0% /lustre[OST:43] lustre-OST002c_UUID 96698009 653175 96044834 0% /lustre[OST:44] lustre-OST002d_UUID 130237227 646036 129591191 0% /lustre[OST:45] lustre-OST002e_UUID 84928910 583928 84344982 0% /lustre[OST:46] lustre-OST002f_UUID 113564717 662474 112902243 0% /lustre[OST:47] filesystem summary: 31457280 21292654 10164626 67% /lustre