[Lustre-discuss] OST0006 : inactive device

[Andrus, Brian Contractor]

Just a stab, but check your connectivity between client2 and the OSS that serves out OST6-OSTb
peer_list is a good start from lctl


Brian Andrus
ITACS/Research Computing
Naval Postgraduate School
Monterey, California
voice: 831-656-6238



> -----Original Message-----
> From: lustre-discuss-bounces at lists.lustre.org [mailto:lustre-discuss-
> bounces at lists.lustre.org] On Behalf Of linux freaker
> Sent: Monday, March 18, 2013 12:57 AM
> To: lustre-discuss at lists.lustre.org
> Subject: [Lustre-discuss] OST0006 : inactive device
> 
> 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?
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