EFS - NFS Client Error while creating a directory or file: Remote I/O Error

0

Hi All,

I setup a DataSync environment and create a task to transfer data from EFS to EFS.

I created 2 different EFS. Source EFS in us-west-1 and target EDS in us-east-1. I created 2 locations. When I started the task it gives an error. Then I tried to regenerate the same error which is coming from source site and there was a hint in the datasync document that says run the following command

sudo mount -t nfs -o nfsvers=4.1 ip-10-1-1-57.us-west-1.compute.internal:/ /efs

I run the command and mounted my NFS Server. When I tried to create a directory or file it gives the below error:
[root@ip-10-1-1-191 efs]# sudo mkdir test1
mkdir: cannot create directory ‘test1’: Input/output error

[root@ip-10-1-1-191 efs]# ls -al
ls: cannot access test2: Remote I/O error
ls: cannot access test1: Remote I/O error
total 4
drwxrwxrwx 4 root root 6144 Aug 16 21:22 .
drwxrwxrwx 19 root root 268 Aug 16 19:31 ..
?????????? ? ? ? ? ? test1
?????????? ? ? ? ? ? test2

EFS - NFS Server and NFS Client are in the same region and availability zone. I do not have any problem with mounting the EFS and NFS Server.

NFS SERVER COMMANDS USED on EC2 (10.1.1.57)
sudo su
cd /
sudo yum update -y
sudo yum -y install nfs-utils
sudo mkdir /efs

sudo nano etc/exports
sudo cat etc/exports
OUTPUT:
/efs *(rw,sync,fsid=0)

sudo service nfs start
sudo mount -t nfs4 -o nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2,noresvport fs-a25576bb.efs.us-west-1.amazonaws.com:/ efs

sudo exportfs -r
sudo showmount -e
OUTPUT:
Export list for ip-10-1-1-57.us-west-1.compute.internal:
/efs *

df -k
OUTPUT:
fs-a25576bb.efs.us-west-1.amazonaws.com:/ 9007199254739968 0 9007199254739968 0% /efs

NFS CLIENT COMMANDS USED on EC2 (10.1.1.191)
sudo su
cd /
sudo yum update -y
sudo yum -y install nfs-utils
sudo mkdir /efs
sudo service nfs start
sudo mount -t nfs -o nfsvers=4.1 ip-10-1-1-57.us-west-1.compute.internal:/ /efs
df -k
OUTPUT
ip-10-1-1-57.us-west-1.compute.internal:/ 9007199254739968 0 9007199254739968 0% /efs

[root@ip-10-1-1-191 efs]# sudo mkdir test
mkdir: cannot create directory ‘test’: Remote I/O error

[root@ip-10-1-1-191 efs]# ls -al
ls: cannot access test: Remote I/O error
total 4
drwxrwxrwx 3 root root 6144 Aug 16 22:58 .
drwxrwxrwx 19 root root 268 Aug 16 22:55 ..
?????????? ? ? ? ? ? test

Need an urgent help
Best Regards,
Hakan Korkmaz

質問済み 4年前1096ビュー
1回答
0

I solved the problem. The point here is NFS Server act as a buffer. EFS and NFS Server Should be mounted to the NFS Client and then you should copy the files from EFS to NFS Server by using the NFS Client command line.

回答済み 4年前

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