Here are some details from proc what is happening on our servers. Both running 4.15.0-47-generic.
server13 / uptime 2 days # cat /proc/fs/cifs/Stats Resources in use CIFS Session: 1 Share (unique mount targets): 2 SMB Request/Response Buffer: 1 Pool size: 5 SMB Small Req/Resp Buffer: 1 Pool size: 30 Operations (MIDs): 0
7 session 14 share reconnects Total vfs operations: 7223031 maximum at one time: 102
1) \\server\share SMBs: 13497286 Negotiates: 0 sent 0 failed SessionSetups: 0 sent 0 failed Logoffs: 0 sent 0 failed TreeConnects: 502 sent 0 failed TreeDisconnects: 0 sent 0 failed Creates: 0 sent 466291 failed Closes: 0 sent 2 failed Flushes: 0 sent 0 failed Reads: 0 sent 19 failed Writes: 0 sent 0 failed Locks: 0 sent 0 failed IOCTLs: 0 sent 0 failed Cancels: 0 sent 0 failed Echos: 0 sent 0 failed QueryDirectories: 0 sent 14011 failed ChangeNotifies: 0 sent 0 failed QueryInfos: 0 sent 0 failed SetInfos: 0 sent 0 failed OplockBreaks: 0 sent 16 failed
server15 / uptime 5 days # cat /proc/fs/cifs/Stats Resources in use CIFS Session: 1 Share (unique mount targets): 2 SMB Request/Response Buffer: 1 Pool size: 5 SMB Small Req/Resp Buffer: 1 Pool size: 30 Operations (MIDs): 0
1 session 2 share reconnects Total vfs operations: 118861442 maximum at one time: 52
1) \\server\share SMBs: 122017565 Negotiates: 0 sent 0 failed SessionSetups: 0 sent 0 failed Logoffs: 0 sent 0 failed TreeConnects: 19970 sent 0 failed TreeDisconnects: 0 sent 0 failed Creates: 0 sent 738187 failed Closes: 0 sent 0 failed Flushes: 0 sent 0 failed Reads: 0 sent 41 failed Writes: 0 sent 0 failed Locks: 0 sent 0 failed IOCTLs: 0 sent 0 failed Cancels: 0 sent 0 failed Echos: 0 sent 0 failed QueryDirectories: 0 sent 9776 failed ChangeNotifies: 0 sent 0 failed QueryInfos: 0 sent 0 failed SetInfos: 0 sent 0 failed OplockBreaks: 0 sent 3301 failed
Here are some details from proc what is happening on our servers. Both running 4.15.0-47-generic.
server13 / uptime 2 days
# cat /proc/fs/cifs/Stats
Resources in use
CIFS Session: 1
Share (unique mount targets): 2
SMB Request/Response Buffer: 1 Pool size: 5
SMB Small Req/Resp Buffer: 1 Pool size: 30
Operations (MIDs): 0
7 session 14 share reconnects
Total vfs operations: 7223031 maximum at one time: 102
1) \\server\share
SMBs: 13497286
Negotiates: 0 sent 0 failed
SessionSetups: 0 sent 0 failed
Logoffs: 0 sent 0 failed
TreeConnects: 502 sent 0 failed
TreeDisconnects: 0 sent 0 failed
Creates: 0 sent 466291 failed
Closes: 0 sent 2 failed
Flushes: 0 sent 0 failed
Reads: 0 sent 19 failed
Writes: 0 sent 0 failed
Locks: 0 sent 0 failed
IOCTLs: 0 sent 0 failed
Cancels: 0 sent 0 failed
Echos: 0 sent 0 failed
QueryDirectories: 0 sent 14011 failed
ChangeNotifies: 0 sent 0 failed
QueryInfos: 0 sent 0 failed
SetInfos: 0 sent 0 failed
OplockBreaks: 0 sent 16 failed
server15 / uptime 5 days
# cat /proc/fs/cifs/Stats
Resources in use
CIFS Session: 1
Share (unique mount targets): 2
SMB Request/Response Buffer: 1 Pool size: 5
SMB Small Req/Resp Buffer: 1 Pool size: 30
Operations (MIDs): 0
1 session 2 share reconnects
Total vfs operations: 118861442 maximum at one time: 52
1) \\server\share
SMBs: 122017565
Negotiates: 0 sent 0 failed
SessionSetups: 0 sent 0 failed
Logoffs: 0 sent 0 failed
TreeConnects: 19970 sent 0 failed
TreeDisconnects: 0 sent 0 failed
Creates: 0 sent 738187 failed
Closes: 0 sent 0 failed
Flushes: 0 sent 0 failed
Reads: 0 sent 41 failed
Writes: 0 sent 0 failed
Locks: 0 sent 0 failed
IOCTLs: 0 sent 0 failed
Cancels: 0 sent 0 failed
Echos: 0 sent 0 failed
QueryDirectories: 0 sent 9776 failed
ChangeNotifies: 0 sent 0 failed
QueryInfos: 0 sent 0 failed
SetInfos: 0 sent 0 failed
OplockBreaks: 0 sent 3301 failed