Environment

DP 11
DP Deduplication Server
Windows/Linux

Situation

[Major] From: BMA@xxx "xxx[GW xxx]"  Time: 17.02.2022 09:57:12
    The device "xxx [GW xxx]" could not be opened("Device could not be accessed")
    
    [Major] From: BMA@xxxt "xxx [GW xxx]"  Time: 17.02.2022 09:57:12
[90:54]      \\xxx\xxx\xx
    Cannot open device (System error)

Cause

The SDFS logs lists the error: Unable to initiate chunkstore

2022-03-28 13:11:33,151 [FATAL] [sdfs] [org.opendedup.sdfs.servers.HashChunkService] [67] [main] - Unable to initiate ChunkStore
java.io.IOException: java.io.EOFException
at org.opendedup.sdfs.filestore.BatchFileChunkStore.init(BatchFileChunkStore.java:276)
at org.opendedup.sdfs.servers.HashChunkService.<init>(HashChunkService.java:65)
at org.opendedup.sdfs.servers.HCServiceProxy.init(HCServiceProxy.java:142)
at org.opendedup.sdfs.servers.SDFSService.start(SDFSService.java:86)
at fuse.SDFS.MountSDFS.setup(MountSDFS.java:212)
at fuse.SDFS.MountSDFS.main(MountSDFS.java:62)
Caused by: java.io.EOFException
at java.base/java.io.ObjectInputStream$BlockDataInputStream.peekByte(Unknown Source)
at java.base/java.io.ObjectInputStream.readObject0(Unknown Source)
at java.base/java.io.ObjectInputStream.readObject(Unknown Source)
at java.base/java.io.ObjectInputStream.readObject(Unknown Source)
at java.base/java.util.HashMap.readObject(Unknown Source)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.base/java.lang.reflect.Method.invoke(Unknown Source)
at java.base/java.io.ObjectStreamClass.invokeReadObject(Unknown Source)
at java.base/java.io.ObjectInputStream.readSerialData(Unknown Source)
at java.base/java.io.ObjectInputStream.readOrdinaryObject(Unknown Source)
at java.base/java.io.ObjectInputStream.readObject0(Unknown Source)
at java.base/java.io.ObjectInputStream.readObject(Unknown Source)
at java.base/java.io.ObjectInputStream.readObject(Unknown Source)
at org.opendedup.sdfs.filestore.BatchFileChunkStore.init(BatchFileChunkStore.java:256)
... 5 more

Resolution

Upgrade MA Server to DP 11.01 (The upgraded SDFS server version is included in DP 11.01)

or

Request HF to manually upgrade the SDFS server version 

Find complete support article here