There's a list of the servers participating in each filesystem here, but
it doesn't give you current status.
cfs21:/tmp# cat /proc/fs/lustre/mgs/MGS/live/*
fsname: lustre
flags: 0x0 gen: 26
lustre-MDT0000
lustre-OST0000
lustre-OST0001
You can get the MDT's concept of which OST's are active here:
cfs21:/tmp# cat /proc/fs/lustre/lov/lustre-mdtlov/target_obd
0: lustre-OST0000_UUID ACTIVE
1: lustre-OST0001_UUID ACTIVE
But there isn't currently a nice centralized location with the status of
all the nodes in the cluster.
Anand Bisen wrote:
Hi,
I am thinking of writing a small script that would poll the various
OSS servers for their states. I was thinking of starting at
/proc/sys/lnet/peers to find out who is connected and their states.
When i printed out the content of "/proc/sys/lnet/peers" on the MGS
node this is what i see
[EMAIL PROTECTED] ~]# cat /proc/sys/lnet/peers
nid refs state max rtr min tx min queue
[EMAIL PROTECTED] 1 up 0 0 0 0 0 0
[EMAIL PROTECTED] 1 down 8 8 8 8 7
0 // This is OSS-1
[EMAIL PROTECTED] 1 down 8 8 8 8 7
0 // This is OSS-2
[EMAIL PROTECTED] 1 up 8 8 8 8 7
0 // This is MDS-1
[EMAIL PROTECTED] 1 up 8 8 8 8 7
0 // This is Client-1
The question i have is that the OSS nodes are running and are up but
on MGS it shows them as down, is there a reason why the state for the
OSS nodes is down?
Is there some other place on MGS node from where i can get a list of
nodes in a Lustre Cluster? Since that's what MGS saves on a MGT is
there a way to extract that information from the MGS?
Thanks
Anand
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