ZFS and ISCSI question
Jov
zhao6014 at gmail.com
Sun Jul 30 10:54:14 UTC 2017
See the inline comment about path.
Jov
2017年7月30日 2:59 AM,"Kaya Saman" <kayasaman at gmail.com>写道:
Hi,
I'm trying to find out how ZFS and ISCSI work together. So far I have
followed the guide in the handbook:
https://www.freebsd.org/doc/handbook/network-iscsi.html
Based on the guide what I have done is created 3 demo files using dd:
disk1, disk2, disk3
then created a zpool around them: zpool create iscsi-tst /data/disk1
/data/disk2 /data/disk3
and finally a ZVOL: zfs create -V iscsi-tst/tank
>From the guide a basic (for testing only) ctl.conf:
portal-group pg0 {
discovery-auth-group no-authentication
listen 0.0.0.0
listen [::]
}
target iqn.2012-06.com.example:target0 {
auth-group no-authentication
portal-group pg0
lun 0 {
path iscsi-tst/tank
Does this path really exist? Mybe should be prefixed with /dev/zvol ?
size 500M
}
}
and then on the Initiator machine:
iscsictl -A -p <IP Address> -t iqn.2012-06.com.example:target0
I can confirm a connection:
# iscsictl -L
Target name Target portal State
iqn.2012-06.com.example:target0 <IP Address> Connected: da24
But if we look at dmesg output it is saying the size cannot be queried?
da24 at iscsi4 bus 0 scbus9 target 0 lun 0
da24: <FREEBSD CTLDISK 0001> Fixed Direct Access SPC-4 SCSI device
da24: Serial Number MYSERIAL 0
da24: 150.000MB/s transfers
da24: Command Queueing enabled
da24: Attempt to query device size failed: NOT READY, Logical unit not
ready, manual
I am wondering what I have done wrong and additionally is it possible to
get the Initiator to see the zpool/ZVOL so that I can create a zfs dataset
on it?
Thanks.
Kaya
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