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Re: [Iscsitarget-devel] iscsitarget configuration
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From: Eric <epr...@ya...> - 2012-12-04 05:39:44
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Reloading iscsitarget on the SAN... > san1:~ # /etc/init.d/iscsitarget reload > Stopping iSCSI target service: done > Starting iSCSI target service: done ...and then clearing the initiator database.. > xen1:~ # iscsiadm -m discovery --op=delete -p 192.168.1.1 > > xen1:~ # iscsiadm -m discovery -t st -p 192.168.1.1 > 192.168.1.1:3260,1 iqn.2012-11.com.example.san1:sdb > 192.168.0.1:3260,1 iqn.2012-11.com.example.san1:sdb > 192.168.1.1:3260,1 iqn.2012-11.com.example.san1:sda > 192.168.0.1:3260,1 iqn.2012-11.com.example.san1:sda > > xen1:~ # iscsiadm -m node -p 192.168.1.1 -l > Logging in to [iface: default, target: iqn.2012-11.com.example.san1:sdb, portal: 192.168.1.1,3260] (multiple) > Logging in to [iface: default, target: iqn.2012-11.com.example.san1:sda, portal: 192.168.1.1,3260] (multiple) > Login to [iface: default, target: iqn.2012-11.com.example.san1:sdb, portal: 192.168.1.1,3260] successful. > Login to [iface: default, target: iqn.2012-11.com.example.san1:sda, portal: 192.168.1.1,3260] successful. > > xen1:~ # dmesg | tail > [16159.158419] sd 9:0:0:3: [sdf] Write cache: disabled, read cache: disabled, doesn't support DPO or FUA > [16159.158978] sd 8:0:0:0: [sdb] Attached SCSI disk > [16159.180750] sdc: unknown partition table > [16159.182476] sd 9:0:0:0: [sdc] Attached SCSI disk > [16159.196576] sdd: unknown partition table > [16159.198112] sd 9:0:0:1: [sdd] Attached SCSI disk > [16159.229768] sde: unknown partition table > [16159.231276] sd 9:0:0:2: [sde] Attached SCSI disk > [16159.238949] sdf: unknown partition table > [16159.240762] sd 9:0:0:3: [sdf] Attached SCSI disk > > xen1:~ # lsscsi > [0:0:0:0] disk ATA HDS728080PLA380 PF2O /dev/sda > [4:0:1:0] cd/dvd HL-DT-ST RW/DVD GCC-4244N 1.00 /dev/sr0 > [8:0:0:0] disk IET VIRTUAL-DISK 0 /dev/sdb > [9:0:0:0] disk IET VIRTUAL-DISK 0 /dev/sdc > [9:0:0:1] disk IET VIRTUAL-DISK 0 /dev/sdd > [9:0:0:2] disk IET VIRTUAL-DISK 0 /dev/sde > [9:0:0:3] disk IET VIRTUAL-DISK 0 /dev/sdf ...seems to have fixed the problem. Could this be an issue of timing? i.e., Could iscsitarget be trying to export the block devices before DRBD is ready? Eric Pretorious Truckee, CA >________________________________ > From: Eric <epr...@ya...> >To: "Isc...@li..." <Isc...@li...> >Sent: Monday, December 3, 2012 9:02 PM >Subject: [Iscsitarget-devel] iscsitarget configuration > > >I've created a very simple configuration for iscsitarget (i.e., IET): > >>Target iqn.2012-11.com.example.san1:sda >> Lun 0 Path=/dev/drbd7,Type=blockio >> Lun 1 Path=/dev/drbd8,Type=blockio >> Lun 2 Path=/dev/drbd9,Type=blockio >> Lun 3 Path=/dev/drbd10,Type=blockio >>Target iqn.2012-11.com.example.san1:sdb >> Lun 0 Path=/dev/drbd107,Type=blockio > >However, none of the LUN's appear on the initiator: > >>xen1:~ # iscsiadm -m session -P3 >>iSCSI Transport Class version 2.0-870 >>version 2.0-872.suse >>Target: iqn.2012-11.com.example.san1:sdb >> Current Portal: 192.168.1.1:3260,1 >> Persistent Portal: 192.168.1.1:3260,1 >> ********** >> Interface: >> ********** >> Iface Name: default >> Iface Transport: tcp >> Iface Initiatorname: iqn.1996-04.de.suse:01:2441bbdc6224 >> Iface IPaddress: 192.168.1.3 >> Iface HWaddress: <empty> >> Iface Netdev: <empty> >> SID: 1 >> iSCSI Connection State: LOGGED IN >> iSCSI Session State: LOGGED_IN >> Internal iscsid Session State: NO CHANGE >> ********* >> Timeouts: >> ********* >> Recovery Timeout: 120 >> Target Reset Timeout: 30 >> LUN Reset Timeout: 30 >> Abort Timeout: 15 >> ***** >> CHAP: >> ***** >> username: <empty> >> password: ******** >> username_in: <empty> >> password_in: ******** >> ************************ >> Negotiated iSCSI params: >> ************************ >> HeaderDigest: None >> DataDigest: None >> MaxRecvDataSegmentLength: 262144 >> MaxXmitDataSegmentLength: 8192 >> FirstBurstLength: 65536 >> MaxBurstLength: 262144 >> ImmediateData: Yes >> InitialR2T: Yes >> MaxOutstandingR2T: 1 >> ************************ >> Attached SCSI devices: >> ************************ >> Host Number: 6 State: running >>Target: iqn.2012-11.com.example.san1:sda >> Current Portal: 192.168.1.1:3260,1 >> Persistent Portal: 192.168.1.1:3260,1 >> ********** >> Interface: >> ********** >> Iface Name: default >> Iface Transport: tcp >> Iface Initiatorname: iqn.1996-04.de.suse:01:2441bbdc6224 >> Iface IPaddress: 192.168.1.3 >> Iface HWaddress: <empty> >> Iface Netdev: <empty> >> SID: 2 >> iSCSI Connection State: LOGGED IN >> iSCSI Session State: LOGGED_IN >> Internal iscsid Session State: NO CHANGE >> ********* >> Timeouts: >> ********* >> Recovery Timeout: 120 >> Target Reset Timeout: 30 >> LUN Reset Timeout: 30 >> Abort Timeout: 15 >> ***** >> CHAP: >> ***** >> username: <empty> >> password: ******** >> username_in: <empty> >> password_in: ******** >> ************************ >> Negotiated iSCSI params: >> ************************ >> HeaderDigest: None >> DataDigest: None >> MaxRecvDataSegmentLength: 262144 >> MaxXmitDataSegmentLength: 8192 >> FirstBurstLength: 65536 >> MaxBurstLength: 262144 >> ImmediateData: Yes >> InitialR2T: Yes >> MaxOutstandingR2T: 1 >> ************************ >> Attached SCSI devices: >> ************************ >> Host Number: 7 State: running > >Why aren't the LUN's visible to the initiator? > >Eric P. >Truckee, CA >------------------------------------------------------------------------------ >LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial >Remotely access PCs and mobile devices and provide instant support >Improve your efficiency, and focus on delivering more value-add services >Discover what IT Professionals Know. Rescue delivers >http://p.sf.net/sfu/logmein_12329d2d >_______________________________________________ >Iscsitarget-devel mailing list >Isc...@li... >https://lists.sourceforge.net/lists/listinfo/iscsitarget-devel > > > |