[Lustre-discuss] Cannot mount MDS: Lustre: Denying initial registration attempt from nid 10.201.62.11 at o2ib, specified as failover

Adrian Ulrich adrian at blinkenlights.ch
Sun Nov 21 12:06:31 PST 2010


Hi Kevin,

> But you specified that as a failover node:
>   # tunefs.lustre --erase-params --param="failover.node=10.201.62.11 at o2ib,10.201.30.11 at tcp failover.node=10.201.62.12 at o2ib,10.201.30.12 at tcp mdt.group_upcall=/usr/sbin/l_getgroups" /dev/md10

Well: First i was just running

# tunefs.lustre --param mdt.quota_type=ug /dev/md10

and this alone was enough to break it.

Then i tried to remove the quota-option with --erase-params and i've included
both nodes (the primary + failover) because 'tunefs.lustre /dev/md10' displayed them.


> Not sure what you mean when you say it worked before

It worked before we added the *.quota_type parameters: This installation
is over 1 year old, saw quite a few remounts and an upgrade from
1.8.1.1 -> 1.8.4.


> did you specify both sets on your mkfs command line?

The initial installation was done / dictated by the swiss branch of
an (no longer existing) three-letter company. This command was used
to create the filesystem on the MDS

# FS_NAME="lustre1"
# MGS_1="10.201.62.11 at o2ib0,10.201.30.11 at tcp0"
# MGS_2="10.201.62.12 at o2ib0,10.201.30.12 at tcp0"
# mkfs.lustre --reformat --fsname ${FS_NAME} --mdt --mgs --failnode=${MGS_1} --failnode=${MGS_2} /dev/md10


Regards and thanks,
 Adrian


-- 
 RFC 1925:
   (11) Every old idea will be proposed again with a different name and
        a different presentation, regardless of whether it works.




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