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  ORA-27054 NFS problem solving
     
  Add Date : 2018-11-21      
         
         
         
  ASMCMD [+ back / backup]> cp EDCRAWDATA_201307.dmp / bk01
copying + back / backup / EDCRAWDATA_201307.dmp -> /bk01/EDCRAWDATA_201307.dmp
ASMCMD-8016: copy source -> '+ back / backup / EDCRAWDATA_201307.dmp' and target -> '/ bk01 / EDCRAWDATA_201307.dmp' failed
ORA-19505: failed to identify file "/bk01/EDCRAWDATA_201307.dmp"
ORA-27054: NFS file system where the file is created or resides is not mounted with correct options
Additional information: 5
Additional information: 18
ORA-15120: ASM file name '/bk01/EDCRAWDATA_201307.dmp' does not begin with the ASM prefix character
ORA-06512: at "SYS.X $ DBMS_DISKGROUP", line 413
ORA-06512: at line 3 (DBD ERROR: OCIStmtExecute)
ASMCMD [+ back / backup]> exit
1 umount directory
umount / bk01
2 mount directory plus some parameters
mount -o rw, hard, nointr, noac, vers = 3, rsize = 32768, wsize = 32768 10.10.128.12:/s01/orabase/oradata / bk01

3. Problem Solving:
ASMCMD [+ back / backup]> cp EDCRAWDATA_201307.dmp / bk01
copying + back / backup / EDCRAWDATA_201307.dmp -> /bk01/EDCRAWDATA_201307.dmp


Specify the parameters specific meanings are as follows:
 
rw read-write file system is mounted (must also be derived in the same manner)
ro read-only mounted file system
bg If the installation fails (server not responding), has been trying in the background, others continue to send the installation request
hard hard-mounted file system (which is the default). If the server crashes, so trying to access its operation is blocked until the server is restored.
soft soft mounted file system. If the server crashes, so trying to access its operation fails to return an error message. This feature is to avoid the process of "hanging" very useful in the mounting operation is irrelevant.
intr allows the user to interrupt blocking operation (and allow them to return an error message)
nointr not allow users to interrupt
retrans = n Specifies the number of times on the file system soft mounted, and before returning an error message requesting repeat.
timeo = n Set the timeout request time (in tenths of a second unit)
rsize = n Set the read buffer size to n bytes. TCP and UDP are suitable for installation, but not the same as the optimal value (32K better).
wsize = n set the write buffer size to n bytes. TCP and UDP are suitable for installation.
nfsvers = n set the NFS protocol version 2 or 3 (under normal circumstances is automatic)
tcp to select TCP transmission. The default selection UDP
fg and bg on the contrary, is the default parameter
mountport set mount ports

Mount reported the following error:

# Mount -o rw, hard, nointr, noac, vers = 3, rsize = 32768, wsize = 32768 10.10.128.12:/s01/orabase/oradata / bk02

mount: 1831-008 giving up on:

10.10.128.12:/s01/orabase/oradata

vmount: Operation not permitted.

Modified Solution

nfso -o nfs_use_reserved_ports = 1
     
         
         
         
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