[lustre-discuss] Do old clients ever go away?

Moreno Diego (ID SIS) diego.moreno at id.ethz.ch
Fri Jun 5 09:49:40 PDT 2020

I don't see a way to clear the exports on the MGS side so it seems you get there every single NID that ever connected to the system. You can however clear this on the MDSes/OSSes:

[root at mds01 ~]# ls /proc/fs/lustre/mdt/fs1-MDT0001/exports/ | wc -l
[root at mds01 ~]# echo 1 > /proc/fs/lustre/mdt/fs1-MDT0001/exports/clear
[root at mds01 ~]# ls /proc/fs/lustre/mdt/fs1-MDT0001/exports/ | wc -l



On 05.06.20, 16:39, "lustre-discuss on behalf of William D. Colburn" <lustre-discuss-bounces at lists.lustre.org on behalf of wcolburn at nrao.edu> wrote:

    I was looking in /proc/fs/lustre/mgs/MGS/exports/, and I see ip
    addresses in there that don't go anywhere anymore.  I'm pretty sure they
    are gone so long that they predate the uptime of the mds.  Does a lost
    client linger forever, or am I just wrong about when the machines went
    offline in relation to the uptime of the MDS?
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