[Lustre-discuss] OST0006 : inactive device

[linux freaker]

I installed 1 MDS , 2 OSS/OST and 2 Lustre Client. My MDS shows:

[code]
[root at MDS ~]#  lctl list_nids
10.94.214.185 at tcp
[root at MDS ~]#

[/code]

On Lustre Client1:
[code]
[root at lustreclient1 lustre]# lfs df -h
UUID                       bytes        Used   Available Use% Mounted on
lustre-MDT0000_UUID         4.5G      274.3M        3.9G   6% /mnt/lustre[MDT:0]
lustre-OST0000_UUID         5.9G      276.1M        5.3G   5% /mnt/lustre[OST:0]
lustre-OST0001_UUID         5.9G      276.1M        5.3G   5% /mnt/lustre[OST:1]
lustre-OST0002_UUID         5.9G      276.1M        5.3G   5% /mnt/lustre[OST:2]
lustre-OST0003_UUID         5.9G      276.1M        5.3G   5% /mnt/lustre[OST:3]
lustre-OST0004_UUID         5.9G      276.1M        5.3G   5% /mnt/lustre[OST:4]
lustre-OST0005_UUID         5.9G      276.1M        5.3G   5% /mnt/lustre[OST:5]
lustre-OST0006_UUID         5.9G      276.1M        5.3G   5% /mnt/lustre[OST:6]
lustre-OST0007_UUID         5.9G      276.1M        5.3G   5% /mnt/lustre[OST:7]
lustre-OST0008_UUID         5.9G      276.1M        5.3G   5% /mnt/lustre[OST:8]
lustre-OST0009_UUID         5.9G      276.1M        5.3G   5% /mnt/lustre[OST:9]
lustre-OST000a_UUID         5.9G      276.1M        5.3G   5%
/mnt/lustre[OST:10]
lustre-OST000b_UUID         5.9G      276.1M        5.3G   5%
/mnt/lustre[OST:11]

filesystem summary:        70.9G        3.2G       64.0G   5% /mnt/lustre


[/code]

But Lustre Client2 is displaying it as:

[code]

[root at alpha ~]# lfs df -h
UUID                       bytes        Used   Available Use% Mounted on
lustre-MDT0000_UUID         4.5G      274.3M        3.9G   6% /mnt/lustre[MDT:0]
lustre-OST0000_UUID         5.9G      276.1M        5.3G   5% /mnt/lustre[OST:0]
lustre-OST0001_UUID         5.9G      276.1M        5.3G   5% /mnt/lustre[OST:1]
lustre-OST0002_UUID         5.9G      276.1M        5.3G   5% /mnt/lustre[OST:2]
lustre-OST0003_UUID         5.9G      276.1M        5.3G   5% /mnt/lustre[OST:3]
lustre-OST0004_UUID         5.9G      276.1M        5.3G   5% /mnt/lustre[OST:4]
lustre-OST0005_UUID         5.9G      276.1M        5.3G   5% /mnt/lustre[OST:5]
OST0006             : inactive device
OST0007             : inactive device
OST0008             : inactive device
OST0009             : inactive device
OST000a             : inactive device
OST000b             : inactive device

filesystem summary:        35.4G        1.6G       32.0G   5% /mnt/lustre

[/code]

Why is it showing inactive device on one machine while not in another?