amazonAWS/VTL with open-iscsi on EC2 /dev/by-path/ not present

[Kelley, Jared]

I’m trying to setup a VTL on some AWS EC2 instances and have done so with success however the scsi devices (virtual tape drives)

show up as connected to the client but there is nothing listed under /dev/st* nor is there any /dev/by-path directory on the client.

Has anyone experienced this and what might be the issue?

Thanks in advance

Jk

[Donald Williams]

What are you using for an iSCSI target?   IETD doesn't support tape drives.   

Try STGT  http://stgt.sourceforge.net/

They claim to support VTL.  I haven't tried it myself.   I believe there are one or two other Linux iSCSI targets that support tape drives as well. 

Regards, 

Don 

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[Mike Christie]

What iscsi target are you using? This happens sometimes when you do not
have the target side ACLs setup correctly. Make sure the initiator name
is in whatever ACLs you need to put them in on the target.

[Jared]

iscsi targets are:

iqn.1997-05.com.amazon:sgw-bcb95cd5-tapedrive-01 - 10
as derived from the command:
/usr/bin/iscsiadm --mode discovery --type sendtargets --portal <GATEWAY-IP>:3260

[ema...@gmail.com]

iscsi targets are:

iqn.1997-05.com.amazon:sgw-

bcb95cd5-tapedrive-01 - 10
as derived from the command:
/usr/bin/iscsiadm --mode discovery --type sendtargets --portal <GATEWAY-IP>:3260

[Jared Kelley]

The fix for this was a missing module.  st

On the AWS side modprobe st did not work.  I had to run:
apt-get install linux-generic

then
modprobe st

Now /dev/tape/by-path is populated with the iscsi targets.

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