As you can see below, the usage of the 16 "LUNs" in lustre is not even (max
free space per "LUN" is 337 GB, min is 16 GB!). Do you know if it is possible
to level the usage while keeping the fs available? Or at least, without losing
data?
The problem is, as soon as one LUN becomes 100% full, we can not write to
lustre at all.
Thanks
UUID bytes Used Available Use% Mounted on
tiger_mds_UUID 113.5G 7.5G 106.1G 6 /mnt/lustre[MDT:0]
ost1_UUID 1.0T 787.9G 271.7G 74 /mnt/lustre[OST:0]
ost2_UUID 1.0T 779.1G 280.5G 73 /mnt/lustre[OST:1]
ost3_UUID 1.0T 814.9G 244.7G 76 /mnt/lustre[OST:2]
ost4_UUID 1.0T 758.6G 301.0G 71 /mnt/lustre[OST:3]
ost5_UUID 1.0T 722.0G 337.6G 68 /mnt/lustre[OST:4]
ost6_UUID 1.0T 938.8G 120.8G 88 /mnt/lustre[OST:5]
ost7_UUID 1.0T 803.7G 255.9G 75 /mnt/lustre[OST:6]
ost8_UUID 1.0T 828.5G 231.1G 78 /mnt/lustre[OST:7]
ost9_UUID 1.0T 921.3G 138.3G 86 /mnt/lustre[OST:8]
ost10_UUID 1.0T 941.2G 118.4G 88 /mnt/lustre[OST:9]
ost11_UUID 1.0T 927.8G 131.8G 87 /mnt/lustre[OST:10]
ost12_UUID 1.0T 1.0T 16.3G 98 /mnt/lustre[OST:11]
ost13_UUID 1.0T 995.3G 64.3G 93 /mnt/lustre[OST:12]
ost14_UUID 1.0T 779.1G 280.5G 73 /mnt/lustre[OST:13]
ost15_UUID 1.0T 904.3G 155.3G 85 /mnt/lustre[OST:14]
ost16_UUID 1.0T 905.6G 154.0G 85 /mnt/lustre[OST:15]
filesystem summary: 16.6T 13.5T 3.0T 81 /mnt/lustre
---------------------------------
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