XCP复制/同步失败 、并显示错误：无法分配内存

XCP copy、sync、iSync失败并显示以下错误：

ERROR - 3351022 xcp sync renames move xxxx:/path/to/folder/b'_XCP_tmp'/b'c14d' to xxxx:/path/to/folder/: nfs3 RENAME 'c14d' in 'xxxx:/path/to/folder/_XCP_tmp': nfs3 error 2: no such file or directory file
ERROR - 3351022 xcp batch 6850 nfs3 CREATE '690_.Info' in 'xxxx:/path/to/folder/': nfs3 error 21: is a directory