ALL_PLEDGED_DISK

RSE	Total (storage)	Used (rucio)	Used (other)	Quota (other)	Used (dark)	Used (persistent)	Used (temporary)	Unlocked (secondary)	Free (storage)	Min space	Difference	Primary diff	Avg tombstone
AGLT2_CALIBDISK	271.60	262.73	0.00	0.00	0.01	262.22	0.00	0.00	8.87	0.00	8.87	99.76	n/a
AGLT2_DATADISK	13761.62	12170.95	0.00	0.00	183.36	8675.59	665.05	2175.89	1407.30	300.00	1107.30	1738.09	n/a
AGLT2_SCRATCHDISK	200.00	129.54	0.00	0.00	9.19	0.00	76.83	52.04	61.27	50.00	11.27	-42.50	n/a
AU-MELBOURNE_DATADISK	300.00	239.03	0.00	0.00	0.07	3.27	37.14	198.74	60.90	30.00	30.90	-139.71	n/a
AU-MELBOURNE_SCRATCHDISK	50.00	19.51	0.00	0.00	0.02	0.00	1.38	18.06	30.47	12.50	17.97	-28.55	n/a
BEIJING-LCG2-EOS_DATADISK	950.00	747.21	0.00	0.00	2.77	18.97	192.18	535.78	200.02	95.00	105.02	-358.56	n/a
BEIJING-LCG2-EOS_SCRATCHDISK	50.00	32.41	0.00	0.00	0.12	0.00	9.99	22.42	17.48	12.50	4.98	-20.01	n/a
BNL-OSG2_DATADISK	41695.55	41151.91	0.00	0.00	10.67	27085.29	5354.10	8295.61	532.97	300.00	232.97	7838.97	n/a
BNL-OSG2_SCRATCHDISK	650.00	566.18	0.00	0.00	-0.62	43.33	212.43	308.39	84.44	50.00	34.44	-132.21	n/a
CA-SFU-T2_DATADISK	5670.00	4835.51	0.00	0.00	456.36	4343.49	274.77	213.78	378.12	300.00	78.12	1219.74	n/a
CA-SFU-T2_SCRATCHDISK	160.00	87.33	0.00	0.00	31.31	0.00	18.90	68.25	41.36	40.00	1.36	-76.92	n/a
CA-VICTORIA-WESTGRID-T2_DATADISK	1999.43	1690.62	0.00	0.00	20.66	462.17	196.80	1021.99	288.15	199.94	88.21	-531.03	n/a
CA-VICTORIA-WESTGRID-T2_SCRATCHDISK	80.00	57.05	0.00	0.00	0.37	0.00	9.48	47.43	22.58	20.00	2.58	-38.38	n/a
CERN-PROD_DATADISK	35702.00	34331.26	0.00	0.00	395.96	22854.50	5938.53	5505.20	974.78	300.00	674.78	7404.87	n/a
CERN-PROD_SCRATCHDISK	750.00	678.31	0.00	0.00	11.36	97.89	258.63	320.50	60.33	50.00	10.33	-92.18	n/a
CERN-PROD_TZDISK	12000.00	10631.48	0.00	0.00	91.28	0.06	5932.51	4575.86	1277.24	600.00	677.24	-1144.38	n/a
CSCS-LCG2_DATADISK	5500.00	4828.91	0.00	0.00	65.70	1448.65	752.12	2627.24	605.39	300.00	305.39	-1098.33	n/a
CSCS-LCG2_SCRATCHDISK	64.00	8.98	0.00	0.00	8.96	0.00	3.88	5.11	46.07	16.00	30.07	-34.54	n/a
CYFRONET-LCG2-EOS_DATADISK	3500.00	3087.41	64.22	109.00	-64.66	465.25	345.99	2268.18	413.02	300.00	113.02	-1215.37	n/a
CYFRONET-LCG2-EOS_SCRATCHDISK	150.00	63.00	0.00	0.00	-0.02	0.00	15.16	47.55	87.02	37.50	49.52	-74.55	n/a
DESY-HH_DATADISK	6000.00	5516.60	0.00	0.00	122.66	3771.86	1318.19	478.93	360.74	300.00	60.74	1437.67	n/a
DESY-HH_SCRATCHDISK	300.00	246.39	0.00	0.00	2.07	46.92	51.10	160.52	51.54	50.00	1.54	-94.13	n/a
DESY-ZN_DATADISK	4850.00	4515.35	0.03	50.00	1.53	3274.85	1003.27	240.35	333.09	300.00	33.09	1395.00	n/a
DESY-ZN_SCRATCHDISK	50.00	28.54	0.00	0.00	0.12	0.01	24.55	10.62	21.34	12.50	8.84	-12.08	n/a
EELA-UTFSM_DATADISK	358.31	128.90	0.00	0.00	185.92	59.18	18.00	51.26	43.49	35.83	7.66	-137.34	n/a
EELA-UTFSM_SCRATCHDISK	25.60	14.05	0.00	0.00	-0.60	0.00	0.13	13.92	12.14	6.40	5.74	-15.23	n/a
FMPHI-UNIBA_DATADISK	1129.02	798.90	0.00	0.00	205.11	204.46	48.12	545.60	125.02	112.90	12.11	-424.11	n/a
FMPHI-UNIBA_SCRATCHDISK	54.98	22.02	0.00	0.00	17.50	0.00	2.26	19.87	15.46	13.74	1.72	-30.84	n/a
FZK-LCG2_DATADISK	23000.00	22160.14	363.45	626.00	0.82	14426.58	2388.63	5337.43	475.58	300.00	175.58	3398.31	n/a
FZK-LCG2_SCRATCHDISK	250.00	191.83	0.00	0.00	0.79	2.81	87.59	100.65	57.38	50.00	7.38	-58.81	n/a
GOEGRID_DATADISK	3200.00	2511.95	57.96	63.00	135.93	676.59	265.70	1559.57	494.16	300.00	194.16	-929.81	n/a
GOEGRID_SCRATCHDISK	151.64	84.42	0.00	0.00	24.73	0.00	17.20	66.70	42.49	37.91	4.58	-73.26	n/a
GOEGRID_TESTDATADISK	40.00	17.20	0.00	0.00	1.11	0.11	13.33	2.57	21.69	4.00	17.69	-9.37	n/a
GOEGRID_TESTSCRATCHDISK	10.00	4.45	0.00	0.00	-0.00	0.00	0.88	3.57	5.55	2.50	3.05	-5.12	n/a
GRIF_DATADISK	7898.00	7634.29	0.00	0.00	-100.95	1324.47	148.18	5949.33	364.66	300.00	64.66	-3053.83	n/a
GRIF_SCRATCHDISK	180.00	113.37	0.00	0.00	-1.06	0.00	28.72	84.39	67.70	45.00	22.70	-79.02	n/a
HK-LCG2_DATADISK	945.58	718.59	0.00	0.00	15.79	45.10	117.99	555.50	211.20	94.56	116.64	-404.26	n/a
HK-LCG2_SCRATCHDISK	109.95	65.42	0.00	0.00	0.28	0.00	11.11	54.20	44.25	27.49	16.76	-54.75	n/a
IEPSAS-KOSICE_DATADISK	2401.47	1761.18	0.00	0.00	1.34	328.33	264.07	1165.01	638.95	240.15	398.81	-844.71	n/a
IEPSAS-KOSICE_SCRATCHDISK	170.99	61.55	0.00	0.00	0.21	0.02	20.15	41.11	109.22	42.75	66.47	-82.15	n/a
IFAE_DATADISK	1950.00	1528.75	0.00	0.00	1.23	195.08	157.60	1168.73	420.03	195.00	225.03	-809.98	n/a
IFAE_SCRATCHDISK	250.00	83.48	0.00	0.00	0.35	0.01	39.82	43.15	166.17	50.00	116.17	-109.67	n/a
IFIC-LCG2_CALIBDISK	22.00	18.31	0.00	0.00	-17.77	18.31	0.00	0.00	21.46	0.00	21.46	5.11	n/a
IFIC-LCG2_DATADISK	4950.00	4662.89	0.00	0.00	-14.43	3498.31	1045.73	117.07	301.54	300.00	1.54	1575.82	n/a
IFIC-LCG2_SCRATCHDISK	200.00	150.18	0.00	0.00	-0.47	10.29	26.37	112.99	50.29	50.00	0.29	-82.81	n/a
IN2P3-CC_DATADISK	25422.91	24294.56	600.50	937.00	-6.82	16223.10	2148.26	4888.02	534.67	300.00	234.67	4714.99	n/a
IN2P3-CC_SCRATCHDISK	166.03	106.56	0.00	0.00	14.70	1.14	51.59	53.81	44.76	41.51	3.25	-46.86	n/a
IN2P3-CPPM_DATADISK	2232.01	2036.69	0.00	0.00	1.59	1899.77	68.66	68.32	193.73	223.20	-29.47	629.17	n/a
IN2P3-CPPM_SCRATCHDISK	32.21	13.89	0.00	0.00	0.25	0.00	1.55	12.68	18.07	8.05	10.02	-18.12	n/a
IN2P3-LAPP-DCACHE_DATADISK	7450.00	6971.08	0.00	0.00	78.32	5476.51	1297.62	358.95	400.60	300.00	100.60	2142.13	n/a
IN2P3-LAPP-DCACHE_SCRATCHDISK	50.00	32.10	0.00	0.00	0.18	0.00	14.47	17.81	17.72	12.50	5.22	-15.71	n/a
IN2P3-LPC_DATADISK	2860.93	2480.01	0.00	0.00	0.15	578.03	161.74	1728.79	380.77	286.09	94.67	-965.33	n/a
IN2P3-LPC_SCRATCHDISK	52.78	36.84	0.00	0.00	0.06	0.00	7.69	29.11	15.87	13.19	2.68	-23.93	n/a
INFN-FRASCATI_DATADISK	4033.02	3689.01	0.00	0.00	6.06	570.41	281.97	2823.81	337.95	300.00	37.95	-1554.61	n/a
INFN-FRASCATI_SCRATCHDISK	43.98	28.51	0.00	0.00	1.77	0.00	2.21	26.36	13.69	11.00	2.70	-24.23	n/a
INFN-MILANO_DATADISK	2500.00	2179.25	0.00	0.00	62.89	110.91	49.36	2019.49	257.86	250.00	7.86	-1340.24	n/a
INFN-MILANO_SCRATCHDISK	24.00	11.86	0.00	0.00	0.68	0.00	0.44	11.37	11.46	6.00	5.46	-13.92	n/a
INFN-NAPOLI-ATLAS_DATADISK	5670.40	5192.10	84.71	90.00	1.24	4533.80	653.30	33.29	392.36	300.00	92.36	1810.57	n/a
INFN-NAPOLI-ATLAS_SCRATCHDISK	76.97	56.60	0.00	0.00	0.41	0.00	9.06	47.76	19.96	19.24	0.71	-37.34	n/a
INFN-ROMA1_CALIBDISK	67.03	48.25	0.00	0.00	0.00	47.76	0.00	0.00	18.77	0.00	18.77	8.04	n/a
INFN-ROMA1_DATADISK	3400.00	2158.96	0.00	0.00	1.19	505.92	202.27	1450.90	1239.85	300.00	939.85	-1331.94	n/a
INFN-ROMA1_SCRATCHDISK	87.96	64.45	0.00	0.00	0.21	0.00	8.70	55.63	23.30	21.99	1.31	-43.95	n/a
INFN-T1_DATADISK	16000.00	15062.37	0.00	0.00	562.72	10065.90	969.95	3898.40	374.90	300.00	74.90	1563.98	n/a
INFN-T1_SCRATCHDISK	200.00	122.93	0.00	0.00	25.16	43.74	76.60	40.48	51.91	50.00	1.91	-37.55	n/a
JINR-LCG2_DATADISK	920.00	677.42	0.00	0.00	-12.29	106.73	241.82	324.04	254.87	92.00	162.87	-198.62	n/a
JINR-LCG2_SCRATCHDISK	50.12	16.81	0.00	0.00	0.13	0.00	0.84	15.98	33.18	12.53	20.65	-29.24	n/a
KIT-T2_DATADISK	2233.00	1795.76	0.00	0.00	0.66	168.49	1329.89	512.61	436.58	223.30	213.28	-56.65	n/a
LRZ-LMU_CALIBDISK	52.77	32.19	0.00	0.00	0.07	32.19	0.00	0.00	20.51	0.00	20.51	0.53	n/a
LRZ-LMU_DATADISK	5103.37	4663.41	0.00	0.00	2.33	4252.25	283.49	123.54	437.62	300.00	137.62	1477.85	n/a
LRZ-LMU_SCRATCHDISK	91.38	65.74	0.00	0.00	0.13	0.00	36.96	29.24	25.51	22.85	2.67	-18.33	n/a
MPPMU_CALIBDISK	35.00	29.76	0.00	0.00	0.03	29.76	0.00	0.00	5.21	0.00	5.21	8.76	n/a
MPPMU_DATADISK	3400.00	2922.77	169.08	185.00	2.23	2824.48	90.48	8.91	305.92	300.00	5.92	984.86	n/a
MPPMU_SCRATCHDISK	100.00	74.33	0.00	0.00	-0.06	0.00	23.92	50.33	25.73	25.00	0.73	-36.00	n/a
MWT2_DATADISK	20200.00	19814.44	0.00	0.00	21.08	13707.74	694.06	4779.11	364.47	300.00	64.47	2915.33	n/a
MWT2_UC_SCRATCHDISK	350.00	172.43	0.00	0.00	0.94	0.00	96.32	69.98	176.63	50.00	126.63	-107.55	n/a
NCG-INGRID-PT_DATADISK	540.00	567.72	0.00	0.00	-175.30	70.29	80.28	418.13	147.58	54.00	93.58	-174.41	n/a
NCG-INGRID-PT_SCRATCHDISK	10.00	7.36	0.00	0.00	0.05	0.00	0.17	7.18	2.59	2.50	0.09	-5.83	n/a
NDGF-T1_DATADISK	24818.94	23852.80	410.91	656.00	215.07	18391.01	1127.21	4229.66	340.16	300.00	40.16	5125.38	n/a
NDGF-T1_SCRATCHDISK	300.00	172.41	0.00	0.00	74.99	0.00	82.72	87.99	52.61	50.00	2.61	-95.58	n/a
NET2_DATADISK	11014.22	9840.72	0.00	0.00	143.45	6238.98	620.83	2962.15	1030.04	1000.00	30.04	270.05	n/a
NET2_SCRATCHDISK	70.00	52.30	0.00	0.00	0.08	0.00	42.15	10.58	17.62	17.50	0.12	-0.28	n/a
NIKHEF_DATADISK	4721.91	4390.93	0.00	0.00	0.14	3560.73	676.69	151.32	330.83	300.00	30.83	1406.47	n/a
NIKHEF_SCRATCHDISK	55.62	27.67	0.00	0.00	0.01	0.00	9.63	17.72	27.93	13.90	14.03	-23.42	n/a
OU_OSCER_ATLAS_DATADISK	500.00	449.91	0.00	0.00	-0.26	86.85	7.81	353.75	50.35	50.00	0.35	-203.84	n/a
OU_OSCER_ATLAS_SCRATCHDISK	50.00	8.22	0.00	0.00	-7.07	0.00	0.25	7.97	48.85	12.50	36.35	-29.75	n/a
PIC_DATADISK	7650.00	7283.24	0.00	0.00	5.49	5582.67	962.09	519.99	361.27	300.00	61.27	2173.25	n/a
PIC_SCRATCHDISK	250.00	84.96	0.00	0.00	0.20	0.07	40.24	44.13	164.84	50.00	114.84	-109.17	n/a
PRAGUELCG2_DATADISK	4200.00	3615.86	179.17	180.00	94.10	3431.16	168.95	23.67	310.87	300.00	10.87	1180.19	n/a
PRAGUELCG2_SCRATCHDISK	109.95	74.69	0.00	0.00	2.56	0.00	15.01	59.22	32.70	27.49	5.22	-50.51	n/a
RAL-LCG2-ECHO_DATADISK	31056.00	30726.63	0.00	0.00	0.00	20888.12	1293.41	8334.78	329.37	300.00	29.37	3758.25	n/a
RAL-LCG2-ECHO_SCRATCHDISK	250.00	199.77	0.00	0.00	0.00	0.02	63.29	135.75	50.23	50.00	0.23	-85.97	n/a
RO-07-NIPNE_DATADISK	4100.00	3787.08	0.00	0.00	5.62	696.39	113.26	2976.14	307.30	300.00	7.30	-1649.05	n/a
RO-07-NIPNE_SCRATCHDISK	109.95	78.21	0.00	0.00	0.50	0.00	15.80	62.21	31.24	27.49	3.75	-49.97	n/a
SAMPA_DATADISK	268.60	167.60	0.00	0.00	-152.47	117.56	51.01	0.00	253.47	26.86	226.61	6.44	n/a
SAMPA_SCRATCHDISK	71.40	37.41	0.00	0.00	-37.40	0.00	14.79	22.42	71.40	17.85	53.55	-27.85	n/a
SARA-MATRIX_DATADISK	5267.05	4868.74	0.00	0.00	2.81	4639.48	198.82	23.83	395.50	300.00	95.50	1684.68	n/a
SARA-MATRIX_SCRATCHDISK	109.92	51.65	0.00	0.00	24.59	0.00	26.78	24.79	33.68	27.48	6.20	-39.09	n/a
SWT2_CPB_DATADISK	11700.00	11092.44	0.00	0.00	259.32	8854.11	426.70	1831.69	348.24	300.00	48.24	2240.75	n/a
SWT2_CPB_SCRATCHDISK	300.00	76.70	0.00	0.00	33.20	0.00	47.60	28.19	190.11	50.00	140.11	-131.49	n/a
TECHNION-HEP_DATADISK	3615.00	3148.03	0.00	0.00	-1.22	735.61	381.29	2013.17	468.19	300.00	168.19	-1034.13	n/a
TECHNION-HEP_SCRATCHDISK	25.00	13.32	0.00	0.00	3.32	0.00	2.27	11.06	8.36	6.25	2.11	-12.74	n/a
TOKYO-LCG2_DATADISK	10700.00	10184.74	150.32	271.00	0.66	8031.86	1417.38	814.30	364.28	300.00	64.28	3113.04	n/a
TOKYO-LCG2_SCRATCHDISK	300.00	240.26	0.00	0.00	0.10	0.00	113.70	32.99	59.64	50.00	9.64	27.27	n/a
TR-10-ULAKBIM_DATADISK	791.65	645.26	0.00	0.00	7.65	105.55	52.11	482.89	138.74	79.16	59.58	-312.62	n/a
TR-10-ULAKBIM_SCRATCHDISK	32.99	0.11	0.00	0.00	0.10	0.00	0.11	0.00	32.77	8.25	24.52	-19.68	n/a
TRIUMF-LCG2_DATADISK	16000.00	15001.00	716.77	789.00	-29.79	11310.09	836.70	2399.88	312.02	300.00	12.02	3474.51	n/a
TRIUMF-LCG2_SCRATCHDISK	300.00	139.44	0.00	0.00	2.29	0.00	57.84	80.49	158.27	50.00	108.27	-121.05	n/a
TW-LCG2_DATADISK	4398.05	1695.96	0.00	0.00	-0.33	108.60	115.15	1478.14	2702.42	300.00	2402.42	-2421.01	n/a
TW-LCG2_SCRATCHDISK	100.74	62.80	0.00	0.00	-0.00	0.11	13.24	49.30	37.94	25.18	12.75	-46.94	n/a
UAM-LCG2_DATADISK	1147.74	1003.82	0.00	0.00	22.10	847.95	155.78	7.52	121.82	114.77	7.05	307.65	n/a
UAM-LCG2_SCRATCHDISK	25.00	39.68	0.00	0.00	-21.52	0.00	1.82	37.86	6.84	6.25	0.59	-13.18	n/a
UKI-LT2-QMUL_DATADISK	10000.00	10038.73	0.00	0.00	-454.76	923.48	109.86	9011.54	416.03	300.00	116.03	-4972.81	n/a
UKI-LT2-QMUL_SCRATCHDISK	200.00	92.35	0.00	0.00	-35.60	0.00	38.34	53.76	143.25	50.00	93.25	-81.41	n/a
UKI-NORTHGRID-LANCS-HEP-CEPH_DATADISK	4550.00	3879.33	151.48	180.00	24.58	3413.96	409.55	42.16	494.62	300.00	194.62	1215.16	n/a
UKI-NORTHGRID-LANCS-HEP-CEPH_SCRATCHDISK	250.00	83.35	0.00	0.00	0.17	0.01	35.58	45.66	166.48	50.00	116.48	-112.31	n/a
UKI-NORTHGRID-LIV-HEP_DATADISK	455.83	389.41	0.00	0.00	0.06	171.54	114.86	102.98	66.36	45.58	20.78	12.93	n/a
UKI-NORTHGRID-LIV-HEP_SCRATCHDISK	43.98	28.32	0.00	0.00	-0.07	0.00	0.26	28.06	15.73	11.00	4.73	-26.12	n/a
UKI-NORTHGRID-MAN-HEP-CEPH_DATADISK	6597.07	6251.93	0.00	0.00	-19.36	1558.45	125.63	4542.91	364.50	300.00	64.50	-2249.22	n/a
UKI-NORTHGRID-MAN-HEP-CEPH_SCRATCHDISK	219.90	129.74	0.00	0.00	0.69	0.06	42.21	86.44	89.47	50.00	39.47	-88.64	n/a
UKI-NORTHGRID-MAN-HEP_DATADISK	1231.45	613.92	0.00	0.00	-44.63	528.72	117.23	0.00	662.16	123.15	539.01	-124.95	n/a
UKI-SCOTGRID-GLASGOW-CEPH_DATADISK	4500.00	4095.87	0.00	0.00	0.00	618.35	46.93	3439.58	404.13	300.00	104.13	-2043.71	n/a
UKI-SCOTGRID-GLASGOW-CEPH_SCRATCHDISK	600.00	120.51	0.00	0.00	0.00	0.00	76.35	68.84	479.49	50.00	429.49	-308.33	n/a
UKI-SOUTHGRID-RALPP_DATADISK	700.00	579.14	0.00	0.00	5.32	162.20	61.77	355.40	115.54	70.00	45.54	-196.26	n/a
UKI-SOUTHGRID-RALPP_SCRATCHDISK	150.00	111.29	0.00	0.00	0.27	0.00	18.10	92.96	38.44	37.50	0.94	-71.67	n/a
UNI-FREIBURG_DATADISK	2700.00	2552.83	0.00	0.00	1.61	2438.68	111.82	0.00	145.56	270.00	-124.44	932.83	n/a
UNI-FREIBURG_SCRATCHDISK	60.00	40.56	0.00	0.00	0.91	11.40	7.34	22.03	18.54	15.00	3.54	-17.47	n/a
WUPPERTALPROD_DATADISK	3685.12	3346.61	0.00	0.00	7.46	3145.01	167.48	41.59	331.05	300.00	31.05	1093.95	n/a
WUPPERTALPROD_SCRATCHDISK	65.97	44.72	0.00	0.00	-0.16	0.00	7.54	37.08	21.41	16.49	4.92	-31.94	n/a
BNL-ATLAS_GROUPDISK	450.00	0.00	189.69	227.00	0.26	189.69	2.48	0.00	257.57	0.00	192.43	0.00	0
CERN-PROD_GROUPDISK	1750.00	0.00	1318.25	2146.00	10.39	1318.25	178.00	0.00	243.36	0.00	1506.64	0.00	0

TOTAL

468076.66

429597.23

4456.54

6509.00

2541.28

262999.61

47101.97

117381.55

31301.13

17658.78

14840.49

35171.28

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This table was created using the RSE expression:

(tier=0|tier=1|tier=2)&(type=DATADISK|type=SCRATCHDISK|type=USERDISK|type=CALIBDISK|CERN-PROD_TZDISK=true|(type=GROUPDISK\spacetoken=ATLASDATADISK\IN2P3-CC_LOCALGROUPDISK-MW=true))

All numbers in TB. Click on table headers to sort.
Used (other) is other RSEs sharing the same space token.
Quota (other) is the sum of quotas defined on other RSEs sharing the same space token.
Used (dark) is the difference between Storage used and Rucio used for all the RSEs on the space token.
Unlocked is data eligible for deletion.

Min space is a limit dynamically set by a collector based on storage capacity of the endpoint (Total(storage) - Used(other)) and according to the following policy:

DATADISK: Min(10% or 300TB free)
SCRATCHDISK: Min(25% or 50TB free)
TAPE: 10TB (arbitrary limit for these tables - actual cleaning depends on the garbage collection algorithm on each site)

Primary diff - amount of primaries (UsedRucio-Unlocked) over a threshold: (Total(storage) - GroupQuota)*0.600000)
Avg tombstone - days between now and timestamp of average tombstone, giving an indication of the turnover of secondary data

Generated at 2025-08-06 15:46:10.098852 UTC on aiatlasddm001.cern.ch. This page is updated once per hour.