Storage Management (ASM ACFS DNFS ODM) (MOSC)

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datapump expdp randomly gets hung/stalled over NFS

edited Nov 17, 2022 8:52PM in Storage Management (ASM ACFS DNFS ODM) (MOSC) 1 commentAnswered

Hi Oracle Community,

We have a Linux DB server VM 7.9 version hosted in VMWare and frequently the datapump expdp gets stalled, the files are being generated in an NFS share, this is a NAS. DB size is between 8 and 9 TB. Here below are the mount options:

XX.XX.XX.XX:/NFS_FOLDER on /NFS_backup type nfs4 (rw,relatime,vers=4.1,rsize=65536,wsize=65536,namlen=255,acregmin=0,acregmax=0,acdirmin=0,acdirmax=0,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=XX.XX.XX.XX,local_lock=none,addr=XX.XX.XX.XX)


When this happens, we need to unmount/mount the NFS share, and other times we need to disable/enable the NIC interface from OS or VMware, after doing this then it runs fine, this backup runs daily and after few days it may fail again, or even the next day.

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