** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1602827
Title:
NFS server "shutting down socket" during large file copies Ubunutu
14.04.4 LTS
Status in linux package in Ubuntu:
Confirmed
Bug description:
This is very similar to bug 585657:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/585657
Difference is my server doesn't freeze, it closes the socket. System
integrity is still responsive.
I'm running NFS version 4 on Ubuntu 14.04.4 LTS and during large rsync
file copies (200MB+) they die midway. This is killing my zimbra email
backups :(. I haven't had the system freeze during this scenario but
what ends up happening is the copy fails on the client side and then
my NFS server shuts the socket down due to excessive failures. Smaller
file copies work perfectly fine.
Here are the client/server logs.
#Client
Jul 9 01:00:39 mailserv01 kernel: [591473.216168] nfs: server NFS-Backup01
not responding, still trying
Jul 9 01:00:39 mailserv01 kernel: [591473.216174] nfs: server NFS-Backup01
not responding, still trying
Jul 9 01:00:39 mailserv01 kernel: [591473.218841] nfs: server NFS-Backup01 OK
Jul 9 01:00:39 mailserv01 kernel: [591473.219159] nfs: server NFS-Backup01 OK
Jul 9 01:01:14 mailserv01 kernel: [591508.710863] nfs: server NFS-Backup01
not responding, still trying
Jul 9 01:08:16 mailserv01 kernel: [591929.870358] nfs: server NFS-Backup01 OK
Jul 9 01:08:44 mailserv01 kernel: [591958.514953] nfs: server NFS-Backup01
not responding, still trying
Jul 9 01:10:23 mailserv01 kernel: [592056.840273] nfs: server NFS-Backup01 OK
Jul 9 01:11:19 mailserv01 kernel: [592113.298900] nfs: server NFS-Backup01
not responding, still trying
Jul 9 01:13:07 mailserv01 kernel: [592221.275966] nfs: server NFS-Backup01 OK
Jul 9 01:15:22 mailserv01 kernel: [592355.580401] nfs: server NFS-Backup01
not responding, still trying
Jul 9 01:15:22 mailserv01 kernel: [592355.615649] nfs: server NFS-Backup01 OK
Jul 9 01:16:03 mailserv01 kernel: [592397.459848] nfs: server NFS-Backup01
not responding, still trying
Jul 9 01:16:08 mailserv01 kernel: [592401.663381] nfs: server NFS-Backup01 OK
Jul 9 01:17:06 mailserv01 kernel: [592460.381059] nfs: server NFS-Backup01
not responding, still trying
#NFS Server
Jul 9 01:01:51 NFS-Backup01 kernel: [130980.762798] RPC request reserved 156
but used 176
Jul 9 01:08:28 NFS-Backup01 kernel: [131377.839675] RPC request reserved 156
but used 176
Jul 9 01:08:46 NFS-Backup01 kernel: [131395.943517] rpc-srv/tcp: nfsd: got
error -32 when sending 136 bytes - shutting down socket
Jul 9 01:10:17 NFS-Backup01 kernel: [131486.962508] RPC request reserved 156
but used 176
Jul 9 01:10:22 NFS-Backup01 kernel: [131492.447565] RPC request reserved 156
but used 176
Jul 9 01:10:27 NFS-Backup01 kernel: [131496.837561] rpc-srv/tcp: nfsd: got
error -32 when sending 136 bytes - shutting down socket
Jul 9 01:10:54 NFS-Backup01 kernel: [131524.423501] RPC request reserved 156
but used 176
Jul 9 01:15:31 NFS-Backup01 kernel: [131801.603553] rpc-srv/tcp: nfsd: got
error -32 when sending 136 bytes - shutting down socket
Jul 9 01:16:55 NFS-Backup01 kernel: [131885.232973] rpc-srv/tcp: nfsd: got
error -32 when sending 136 bytes - shutting down socket
#Client fstab
NFS-Backup01:/mnt/backup /mnt/backup nfs
rsize=8192,wsize=8192,nfsvers=4,hard,timeo=14,intr
#NFS Server fstab
/mnt/backup /mnt/backup none bind 0 0
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