Re: Cannot change the original Target Information
On 10/29/2012 11:15 PM, Paul W. Poteete wrote: Thank you Mike! I really appreciate your help. nhnfs01 ~ # iscsiadm -m discovery -t sendtargets -p localhost [::1]:3260,1 iqn.2012-10.com.nahoku:nhnfs00.target01 Process: #Install Centos 6.3 (64bit) yum install scsi-target-utils iscsi-initiator-utils mkdir /home/iscsi time dd if=/dev/zero of=/home/iscsi/lun_exchange.img bs=1G count=300 time dd if=/dev/zero of=/home/iscsi/lun_mssql.img bs=1G count=300 #edit /etc/tgt/targets.conf for svc in iscsi iscsid tgtd; do /etc/init.d/$svc restart; done I created a quick test configuration to see if it would work, and presto, it worked fine. When I changed the config, I still only have a single Target. Is it possible to have two target servers when using dd images? Original test config: (worked great) -- # Default Driver default-driver iscsi # Initiator and Target Configuration target iqn.2012-10.com.nahoku:nhnfs00.target01 backing-store /home/iscsi/lun_mssql.img /target Changed config: (initiators still see the target listed above) -- nhnfs01 ~ # cat /etc/tgt/targets.conf # Driver default-driver iscsi # Targets target iqn.1997-03.com.example:nhnfs00-exchange backing-store /home/iscsi/lun_exchange.img allow-in-use yes /backing-store /target target iqn.1997-03.com.example:nhnfs00-mssql backing-store /home/iscsi/lun_mssql.img allow-in-use yes /backing-store /target I have removed the services, deleted everything related in /etc and /var/lib, reinstalled, and recreated the files from scratch. The old information still comes up. There must be a binary database somewhere referencing the target. The iscsi initiator (iscsiadm) stores it in /var/lib/iscsi. When you run iscsiadm -m node -P 1 you see what is in /var/lib/iscsi. When you run the discovery command you see what we just got back from the target when you ran the discovery command. The iscsi target (tgtadm) just uses the /etc/tgt/tagrets.conf file. When you run tgtadm you see what tgtd is currently using. So if tgtadm is returning the new targets then it should be returning them to iscsiadm and iscsiadm should be printing them out. When you change the target info in /etc/tgt/targets.conf you restarted tgtd right? On Mon, Oct 29, 2012 at 9:34 AM, Mike Christie micha...@cs.wisc.edu wrote: On 10/27/2012 12:00 AM, Paul W. Poteete wrote: *nhnfs01 iscsi # iscsiadm -m discovery -t sendtargets -p 10.0.1.60:3260* Are you sure 10.0.1.60 is the ip address for the portal on the production iscsi target? That command returns what is returned from the target. If you take a wireshark/tcpdump trace when you run that command do you see the target still returning the old target name? The target and initiator are running on the same box right? If you just do iscsiadm -m discovery -t sendtargets -p localhost do you see the updated target names? 10.0.1.60:3260,1iqn.2012-10.com.example:nhnfs00.target01 *nhnfs01 iscsi # tgtadm --lld iscsi --op show --mode target* Target 1: iqn.1997-03.com.example:nhnfs00-exchange System information: Driver: iscsi State: ready I_T nexus information: LUN information: LUN: 0 Type: controller SCSI ID: IET 0001 SCSI SN: beaf10 Size: 0 MB, Block size: 1 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: null Backing store path: None Backing store flags: LUN: 1 Type: disk SCSI ID: IET 00010001 SCSI SN: beaf11 Size: 322123 MB, Block size: 512 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: rdwr Backing store path: /home/iscsi/lun_exchange.img Backing store flags: Account information: ACL information: ALL Target 2: iqn.1997-03.com.example:nhnfs00-mssql System information: Driver: iscsi State: ready I_T nexus information: LUN information: LUN: 0 Type: controller SCSI ID: IET 0002 SCSI SN: beaf20 Size: 0 MB, Block size: 1 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: null Backing store path: None Backing store flags: LUN: 1 Type: disk SCSI ID: IET 00020001 SCSI SN: beaf21 Size: 322123 MB, Block size: 512 Online: Yes Removable media: No Prevent removal: No Readonly: No
Re: Cannot change the original Target Information
Aloha again! Yes. Even rebooted the server (which is a pain because it is hosting about 10 virtual machines over NFS) I'm stumped. On Oct 29, 2012, at 8:26 PM, Mike Christie wrote: On 10/29/2012 11:15 PM, Paul W. Poteete wrote: Thank you Mike! I really appreciate your help. nhnfs01 ~ # iscsiadm -m discovery -t sendtargets -p localhost [::1]:3260,1 iqn.2012-10.com.nahoku:nhnfs00.target01 Process: #Install Centos 6.3 (64bit) yum install scsi-target-utils iscsi-initiator-utils mkdir /home/iscsi time dd if=/dev/zero of=/home/iscsi/lun_exchange.img bs=1G count=300 time dd if=/dev/zero of=/home/iscsi/lun_mssql.img bs=1G count=300 #edit /etc/tgt/targets.conf for svc in iscsi iscsid tgtd; do /etc/init.d/$svc restart; done I created a quick test configuration to see if it would work, and presto, it worked fine. When I changed the config, I still only have a single Target. Is it possible to have two target servers when using dd images? Original test config: (worked great) -- # Default Driver default-driver iscsi # Initiator and Target Configuration target iqn.2012-10.com.nahoku:nhnfs00.target01 backing-store /home/iscsi/lun_mssql.img /target Changed config: (initiators still see the target listed above) -- nhnfs01 ~ # cat /etc/tgt/targets.conf # Driver default-driver iscsi # Targets target iqn.1997-03.com.example:nhnfs00-exchange backing-store /home/iscsi/lun_exchange.img allow-in-use yes /backing-store /target target iqn.1997-03.com.example:nhnfs00-mssql backing-store /home/iscsi/lun_mssql.img allow-in-use yes /backing-store /target I have removed the services, deleted everything related in /etc and /var/lib, reinstalled, and recreated the files from scratch. The old information still comes up. There must be a binary database somewhere referencing the target. The iscsi initiator (iscsiadm) stores it in /var/lib/iscsi. When you run iscsiadm -m node -P 1 you see what is in /var/lib/iscsi. When you run the discovery command you see what we just got back from the target when you ran the discovery command. The iscsi target (tgtadm) just uses the /etc/tgt/tagrets.conf file. When you run tgtadm you see what tgtd is currently using. So if tgtadm is returning the new targets then it should be returning them to iscsiadm and iscsiadm should be printing them out. When you change the target info in /etc/tgt/targets.conf you restarted tgtd right? On Mon, Oct 29, 2012 at 9:34 AM, Mike Christie micha...@cs.wisc.edu wrote: On 10/27/2012 12:00 AM, Paul W. Poteete wrote: *nhnfs01 iscsi # iscsiadm -m discovery -t sendtargets -p 10.0.1.60:3260* Are you sure 10.0.1.60 is the ip address for the portal on the production iscsi target? That command returns what is returned from the target. If you take a wireshark/tcpdump trace when you run that command do you see the target still returning the old target name? The target and initiator are running on the same box right? If you just do iscsiadm -m discovery -t sendtargets -p localhost do you see the updated target names? 10.0.1.60:3260,1iqn.2012-10.com.example:nhnfs00.target01 *nhnfs01 iscsi # tgtadm --lld iscsi --op show --mode target* Target 1: iqn.1997-03.com.example:nhnfs00-exchange System information: Driver: iscsi State: ready I_T nexus information: LUN information: LUN: 0 Type: controller SCSI ID: IET 0001 SCSI SN: beaf10 Size: 0 MB, Block size: 1 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: null Backing store path: None Backing store flags: LUN: 1 Type: disk SCSI ID: IET 00010001 SCSI SN: beaf11 Size: 322123 MB, Block size: 512 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: rdwr Backing store path: /home/iscsi/lun_exchange.img Backing store flags: Account information: ACL information: ALL Target 2: iqn.1997-03.com.example:nhnfs00-mssql System information: Driver: iscsi State: ready I_T nexus information: LUN information: LUN: 0 Type: controller SCSI ID: IET 0002 SCSI SN: beaf20 Size: 0 MB, Block size: 1 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: null Backing store path: None Backing store flags: LUN: 1 Type: disk SCSI ID: IET 00020001 SCSI SN: beaf21 Size:
Re: Cannot change the original Target Information
run: nhnfs01 ~ # iscsiadm -m discovery -t sendtargets -p localhost -d 8 and send all the output. On 10/30/2012 02:29 AM, Paul W. Poteete wrote: Aloha again! Yes. Even rebooted the server (which is a pain because it is hosting about 10 virtual machines over NFS) I'm stumped. On Oct 29, 2012, at 8:26 PM, Mike Christie wrote: On 10/29/2012 11:15 PM, Paul W. Poteete wrote: Thank you Mike! I really appreciate your help. nhnfs01 ~ # iscsiadm -m discovery -t sendtargets -p localhost [::1]:3260,1 iqn.2012-10.com.nahoku:nhnfs00.target01 Process: #Install Centos 6.3 (64bit) yum install scsi-target-utils iscsi-initiator-utils mkdir /home/iscsi time dd if=/dev/zero of=/home/iscsi/lun_exchange.img bs=1G count=300 time dd if=/dev/zero of=/home/iscsi/lun_mssql.img bs=1G count=300 #edit /etc/tgt/targets.conf for svc in iscsi iscsid tgtd; do /etc/init.d/$svc restart; done I created a quick test configuration to see if it would work, and presto, it worked fine. When I changed the config, I still only have a single Target. Is it possible to have two target servers when using dd images? Original test config: (worked great) -- # Default Driver default-driver iscsi # Initiator and Target Configuration target iqn.2012-10.com.nahoku:nhnfs00.target01 backing-store /home/iscsi/lun_mssql.img /target Changed config: (initiators still see the target listed above) -- nhnfs01 ~ # cat /etc/tgt/targets.conf # Driver default-driver iscsi # Targets target iqn.1997-03.com.example:nhnfs00-exchange backing-store /home/iscsi/lun_exchange.img allow-in-use yes /backing-store /target target iqn.1997-03.com.example:nhnfs00-mssql backing-store /home/iscsi/lun_mssql.img allow-in-use yes /backing-store /target I have removed the services, deleted everything related in /etc and /var/lib, reinstalled, and recreated the files from scratch. The old information still comes up. There must be a binary database somewhere referencing the target. The iscsi initiator (iscsiadm) stores it in /var/lib/iscsi. When you run iscsiadm -m node -P 1 you see what is in /var/lib/iscsi. When you run the discovery command you see what we just got back from the target when you ran the discovery command. The iscsi target (tgtadm) just uses the /etc/tgt/tagrets.conf file. When you run tgtadm you see what tgtd is currently using. So if tgtadm is returning the new targets then it should be returning them to iscsiadm and iscsiadm should be printing them out. When you change the target info in /etc/tgt/targets.conf you restarted tgtd right? On Mon, Oct 29, 2012 at 9:34 AM, Mike Christie micha...@cs.wisc.edu wrote: On 10/27/2012 12:00 AM, Paul W. Poteete wrote: *nhnfs01 iscsi # iscsiadm -m discovery -t sendtargets -p 10.0.1.60:3260* Are you sure 10.0.1.60 is the ip address for the portal on the production iscsi target? That command returns what is returned from the target. If you take a wireshark/tcpdump trace when you run that command do you see the target still returning the old target name? The target and initiator are running on the same box right? If you just do iscsiadm -m discovery -t sendtargets -p localhost do you see the updated target names? 10.0.1.60:3260,1iqn.2012-10.com.example:nhnfs00.target01 *nhnfs01 iscsi # tgtadm --lld iscsi --op show --mode target* Target 1: iqn.1997-03.com.example:nhnfs00-exchange System information: Driver: iscsi State: ready I_T nexus information: LUN information: LUN: 0 Type: controller SCSI ID: IET 0001 SCSI SN: beaf10 Size: 0 MB, Block size: 1 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: null Backing store path: None Backing store flags: LUN: 1 Type: disk SCSI ID: IET 00010001 SCSI SN: beaf11 Size: 322123 MB, Block size: 512 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: rdwr Backing store path: /home/iscsi/lun_exchange.img Backing store flags: Account information: ACL information: ALL Target 2: iqn.1997-03.com.example:nhnfs00-mssql System information: Driver: iscsi State: ready I_T nexus information: LUN information: LUN: 0 Type: controller SCSI ID: IET 0002 SCSI SN: beaf20 Size: 0 MB, Block size: 1 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: null Backing store path: None Backing store flags:
Re: Cannot change the original Target Information
Could you also send me the /var/log/messages for when tgtd starts up and when you run the command below? On 10/30/2012 02:00 PM, Mike Christie wrote: run: nhnfs01 ~ # iscsiadm -m discovery -t sendtargets -p localhost -d 8 and send all the output. On 10/30/2012 02:29 AM, Paul W. Poteete wrote: Aloha again! Yes. Even rebooted the server (which is a pain because it is hosting about 10 virtual machines over NFS) I'm stumped. On Oct 29, 2012, at 8:26 PM, Mike Christie wrote: On 10/29/2012 11:15 PM, Paul W. Poteete wrote: Thank you Mike! I really appreciate your help. nhnfs01 ~ # iscsiadm -m discovery -t sendtargets -p localhost [::1]:3260,1 iqn.2012-10.com.nahoku:nhnfs00.target01 Process: #Install Centos 6.3 (64bit) yum install scsi-target-utils iscsi-initiator-utils mkdir /home/iscsi time dd if=/dev/zero of=/home/iscsi/lun_exchange.img bs=1G count=300 time dd if=/dev/zero of=/home/iscsi/lun_mssql.img bs=1G count=300 #edit /etc/tgt/targets.conf for svc in iscsi iscsid tgtd; do /etc/init.d/$svc restart; done I created a quick test configuration to see if it would work, and presto, it worked fine. When I changed the config, I still only have a single Target. Is it possible to have two target servers when using dd images? Original test config: (worked great) -- # Default Driver default-driver iscsi # Initiator and Target Configuration target iqn.2012-10.com.nahoku:nhnfs00.target01 backing-store /home/iscsi/lun_mssql.img /target Changed config: (initiators still see the target listed above) -- nhnfs01 ~ # cat /etc/tgt/targets.conf # Driver default-driver iscsi # Targets target iqn.1997-03.com.example:nhnfs00-exchange backing-store /home/iscsi/lun_exchange.img allow-in-use yes /backing-store /target target iqn.1997-03.com.example:nhnfs00-mssql backing-store /home/iscsi/lun_mssql.img allow-in-use yes /backing-store /target I have removed the services, deleted everything related in /etc and /var/lib, reinstalled, and recreated the files from scratch. The old information still comes up. There must be a binary database somewhere referencing the target. The iscsi initiator (iscsiadm) stores it in /var/lib/iscsi. When you run iscsiadm -m node -P 1 you see what is in /var/lib/iscsi. When you run the discovery command you see what we just got back from the target when you ran the discovery command. The iscsi target (tgtadm) just uses the /etc/tgt/tagrets.conf file. When you run tgtadm you see what tgtd is currently using. So if tgtadm is returning the new targets then it should be returning them to iscsiadm and iscsiadm should be printing them out. When you change the target info in /etc/tgt/targets.conf you restarted tgtd right? On Mon, Oct 29, 2012 at 9:34 AM, Mike Christie micha...@cs.wisc.edu wrote: On 10/27/2012 12:00 AM, Paul W. Poteete wrote: *nhnfs01 iscsi # iscsiadm -m discovery -t sendtargets -p 10.0.1.60:3260* Are you sure 10.0.1.60 is the ip address for the portal on the production iscsi target? That command returns what is returned from the target. If you take a wireshark/tcpdump trace when you run that command do you see the target still returning the old target name? The target and initiator are running on the same box right? If you just do iscsiadm -m discovery -t sendtargets -p localhost do you see the updated target names? 10.0.1.60:3260,1iqn.2012-10.com.example:nhnfs00.target01 *nhnfs01 iscsi # tgtadm --lld iscsi --op show --mode target* Target 1: iqn.1997-03.com.example:nhnfs00-exchange System information: Driver: iscsi State: ready I_T nexus information: LUN information: LUN: 0 Type: controller SCSI ID: IET 0001 SCSI SN: beaf10 Size: 0 MB, Block size: 1 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: null Backing store path: None Backing store flags: LUN: 1 Type: disk SCSI ID: IET 00010001 SCSI SN: beaf11 Size: 322123 MB, Block size: 512 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: rdwr Backing store path: /home/iscsi/lun_exchange.img Backing store flags: Account information: ACL information: ALL Target 2: iqn.1997-03.com.example:nhnfs00-mssql System information: Driver: iscsi State: ready I_T nexus information: LUN information: LUN: 0 Type: controller SCSI ID: IET 0002 SCSI SN: beaf20 Size: 0 MB, Block size: 1 Online: Yes Removable media: No
Re: Cannot change the original Target Information
On 10/27/2012 12:00 AM, Paul W. Poteete wrote: *nhnfs01 iscsi # iscsiadm -m discovery -t sendtargets -p 10.0.1.60:3260* Are you sure 10.0.1.60 is the ip address for the portal on the production iscsi target? That command returns what is returned from the target. If you take a wireshark/tcpdump trace when you run that command do you see the target still returning the old target name? The target and initiator are running on the same box right? If you just do iscsiadm -m discovery -t sendtargets -p localhost do you see the updated target names? 10.0.1.60:3260,1iqn.2012-10.com.example:nhnfs00.target01 *nhnfs01 iscsi # tgtadm --lld iscsi --op show --mode target* Target 1: iqn.1997-03.com.example:nhnfs00-exchange System information: Driver: iscsi State: ready I_T nexus information: LUN information: LUN: 0 Type: controller SCSI ID: IET 0001 SCSI SN: beaf10 Size: 0 MB, Block size: 1 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: null Backing store path: None Backing store flags: LUN: 1 Type: disk SCSI ID: IET 00010001 SCSI SN: beaf11 Size: 322123 MB, Block size: 512 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: rdwr Backing store path: /home/iscsi/lun_exchange.img Backing store flags: Account information: ACL information: ALL Target 2: iqn.1997-03.com.example:nhnfs00-mssql System information: Driver: iscsi State: ready I_T nexus information: LUN information: LUN: 0 Type: controller SCSI ID: IET 0002 SCSI SN: beaf20 Size: 0 MB, Block size: 1 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: null Backing store path: None Backing store flags: LUN: 1 Type: disk SCSI ID: IET 00020001 SCSI SN: beaf21 Size: 322123 MB, Block size: 512 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: rdwr Backing store path: /home/iscsi/lun_mssql.img Backing store flags: Account information: ACL information: ALL -- You received this message because you are subscribed to the Google Groups open-iscsi group. To view this discussion on the web visit https://groups.google.com/d/msg/open-iscsi/-/KxmOYcWEyFIJ. To post to this group, send email to open-iscsi@googlegroups.com. To unsubscribe from this group, send email to open-iscsi+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/open-iscsi?hl=en. -- You received this message because you are subscribed to the Google Groups open-iscsi group. To post to this group, send email to open-iscsi@googlegroups.com. To unsubscribe from this group, send email to open-iscsi+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/open-iscsi?hl=en.
Re: Cannot change the original Target Information
Thank you Mike! I really appreciate your help. nhnfs01 ~ # iscsiadm -m discovery -t sendtargets -p localhost [::1]:3260,1 iqn.2012-10.com.nahoku:nhnfs00.target01 Process: #Install Centos 6.3 (64bit) yum install scsi-target-utils iscsi-initiator-utils mkdir /home/iscsi time dd if=/dev/zero of=/home/iscsi/lun_exchange.img bs=1G count=300 time dd if=/dev/zero of=/home/iscsi/lun_mssql.img bs=1G count=300 #edit /etc/tgt/targets.conf for svc in iscsi iscsid tgtd; do /etc/init.d/$svc restart; done I created a quick test configuration to see if it would work, and presto, it worked fine. When I changed the config, I still only have a single Target. Is it possible to have two target servers when using dd images? Original test config: (worked great) -- # Default Driver default-driver iscsi # Initiator and Target Configuration target iqn.2012-10.com.nahoku:nhnfs00.target01 backing-store /home/iscsi/lun_mssql.img /target Changed config: (initiators still see the target listed above) -- nhnfs01 ~ # cat /etc/tgt/targets.conf # Driver default-driver iscsi # Targets target iqn.1997-03.com.example:nhnfs00-exchange backing-store /home/iscsi/lun_exchange.img allow-in-use yes /backing-store /target target iqn.1997-03.com.example:nhnfs00-mssql backing-store /home/iscsi/lun_mssql.img allow-in-use yes /backing-store /target I have removed the services, deleted everything related in /etc and /var/lib, reinstalled, and recreated the files from scratch. The old information still comes up. There must be a binary database somewhere referencing the target. On Mon, Oct 29, 2012 at 9:34 AM, Mike Christie micha...@cs.wisc.edu wrote: On 10/27/2012 12:00 AM, Paul W. Poteete wrote: *nhnfs01 iscsi # iscsiadm -m discovery -t sendtargets -p 10.0.1.60:3260* Are you sure 10.0.1.60 is the ip address for the portal on the production iscsi target? That command returns what is returned from the target. If you take a wireshark/tcpdump trace when you run that command do you see the target still returning the old target name? The target and initiator are running on the same box right? If you just do iscsiadm -m discovery -t sendtargets -p localhost do you see the updated target names? 10.0.1.60:3260,1iqn.2012-10.com.example:nhnfs00.target01 *nhnfs01 iscsi # tgtadm --lld iscsi --op show --mode target* Target 1: iqn.1997-03.com.example:nhnfs00-exchange System information: Driver: iscsi State: ready I_T nexus information: LUN information: LUN: 0 Type: controller SCSI ID: IET 0001 SCSI SN: beaf10 Size: 0 MB, Block size: 1 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: null Backing store path: None Backing store flags: LUN: 1 Type: disk SCSI ID: IET 00010001 SCSI SN: beaf11 Size: 322123 MB, Block size: 512 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: rdwr Backing store path: /home/iscsi/lun_exchange.img Backing store flags: Account information: ACL information: ALL Target 2: iqn.1997-03.com.example:nhnfs00-mssql System information: Driver: iscsi State: ready I_T nexus information: LUN information: LUN: 0 Type: controller SCSI ID: IET 0002 SCSI SN: beaf20 Size: 0 MB, Block size: 1 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: null Backing store path: None Backing store flags: LUN: 1 Type: disk SCSI ID: IET 00020001 SCSI SN: beaf21 Size: 322123 MB, Block size: 512 Online: Yes Removable media: No Prevent removal: No Readonly: No Backing store type: rdwr Backing store path: /home/iscsi/lun_mssql.img Backing store flags: Account information: ACL information: ALL -- You received this message because you are subscribed to the Google Groups open-iscsi group. To view this discussion on the web visit https://groups.google.com/d/msg/open-iscsi/-/KxmOYcWEyFIJ. To post to this group, send email to open-iscsi@googlegroups.com. To unsubscribe from this group, send email to open-iscsi+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/open-iscsi?hl=en. -- You received this message because you are subscribed
