SLES 11 SP4

We are randomly running into an issue where users can no long reach mounted volumes.

The only fix so far has been to totally restart the server, which is inconvenient and takes forever.
Any suggestions?


In the log file var/log/messages :
Jan 10 03:52:09 WGSD-APPS kernel: [1012252.612422] Out of memory: Kill process 3742 (ndsd) score 578 or sacrifice child
Jan 10 03:52:09 WGSD-APPS kernel: [1012252.612427] Killed process 3742 (ndsd) total-vm:5529296kB, anon-rss:3380388kB, file-rss:0kB
Jan 10 03:52:09 WGSD-APPS kernel: [1012472.527344] sfcbd invoked oom-killer: gfp_mask=0x106d0, nodemask=0, order=2, oom_adj=0, oom_score_adj=0
Jan 10 03:52:09 WGSD-APPS kernel: [1012472.527348] sfcbd cpuset=/ mems_allowed=0

ncp2nss.log:
[! 2018-01-10 03:52:08] IPCClient::ReceiveReply failed bytesReceived (-1) != replyHeader (12)
[! 2018-01-10 03:52:08] IPCServRequest open/send/received failed rc=107
[! 2018-01-10 03:52:08] ... ncp server ping FAILED rc=107
[! 2018-01-10 03:52:23] IPCClient::Open connect failed rc=111
[! 2018-01-10 03:52:23] IPCServRequest open/send/received failed rc=111
[! 2018-01-10 03:52:23] ... ncp server ping FAILED rc=111
[! 2018-01-10 03:52:38] IPCClient::Open connect failed rc=111
[! 2018-01-10 03:52:38] IPCServRequest open/send/received failed rc=111
[! 2018-01-10 03:52:38] ... ncp server ping FAILED rc=111

ncpserv.log:
[! 2018-01-10 03:48:03] SendBroadcastPing: sendto() conn:54 err:104, errmsg:Connection reset by peer
[! 2018-01-10 03:48:05] SendBroadcastPing: sendto() conn:87 err:32, errmsg:Broken pipe
[! 2018-01-10 03:48:05] SendBroadcastPing: sendto() conn:257 err:9, errmsg:Bad file descriptor
[W 2018-01-10 03:48:07] Killing connection 41
[W 2018-01-10 03:48:14] Killing connection 54
[W 2018-01-10 03:48:21] Killing connection 87

Thank you for your time,

Liz