Big Problem...NO DISKS ON IET RESTART
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Big Problem...NO DISKS ON IET RESTART
by himanshu padmanabhi
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1. "open-iscsi(865-0.2)" initiator machine connected to 1 target from target machine(having "IET version 16.1").
2. output of "iscsiadm -m session -P 3" iSCSI Transport Class version 1.1-646 iscsiadm version 2.0-865 Target: iqn.2008-06.com.abcdefgh:Tar2 Current Portal: 192.168.7.173:3260,1 Persistent Portal: 192.168.7.173:3260,1 ********** Interface: ********** Iface Name: default Iface Transport: tcp Iface IPaddress: default Iface HWaddress: default Iface Netdev: default SID: 16 iSCSI Connection State: LOGGED IN Internal iscsid Session State: NO CHANGE ************************ Negotiated iSCSI params: ************************ HeaderDigest: CRC32C DataDigest: None MaxRecvDataSegmentLength: 131072 MaxXmitDataSegmentLength: 8192 FirstBurstLength: 65536 MaxBurstLength: 262144 ImmediateData: No InitialR2T: Yes MaxOutstandingR2T: 1 ************************ Attached SCSI devices: ************************ Host Number: 17 State: running scsi17 Channel 00 Id 0 Lun: 0 Attached scsi disk sdg State: running ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 3. When I restarted "iscsi-target" daemon on the target side,Disk on the initiator got "blocked" and took tooooo much time to recover. 4. When Disk state was "running" after toooo much time,it's status still was, iSCSI Connection State: IN LOGIN Internal iscsid Session State: REPOEN making disks inaccessible on the initiator side, It should be iSCSI Connection State: LOGGED IN Internal iscsid Session State: NO CHANGE -------------------------------------------------------------------------------------------------------------------------------------------------------------- here's how it is..... Target: iqn.2008-06.com.qualexsystems:Tar2 Current Portal: 192.168.7.173:3260,1 Persistent Portal: 192.168.7.173:3260,1 ********** Interface: ********** Iface Name: default Iface Transport: tcp Iface IPaddress: default Iface HWaddress: default Iface Netdev: default SID: 25 iSCSI Connection State: IN LOGIN Internal iscsid Session State: REPOEN ************************ Negotiated iSCSI params: ************************ HeaderDigest: None DataDigest: None MaxRecvDataSegmentLength: 131072 MaxXmitDataSegmentLength: 8192 FirstBurstLength: 65536 MaxBurstLength: 262144 ImmediateData: No InitialR2T: Yes MaxOutstandingR2T: 1 ************************ Attached SCSI devices: ************************ Host Number: 17 State: running scsi17 Channel 00 Id 0 Lun: 0 Attached scsi disk sdg State: blocked After some time only last line changes to Attached scsi disk sdg State: running But still disks are inaccessible on initiator side. So IET code need to changed for that? ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ Iscsitarget-devel mailing list Iscsitarget-devel@... https://lists.sourceforge.net/lists/listinfo/iscsitarget-devel |
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Fwd: Big Problem...NO DISKS ON IET RESTART
by himanshu padmanabhi
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Hi list,
here's "iscsi-target" daemon............... KVER=`uname -r` RETVAL=0 MODPATH=/lib/modules/${KVER}/kernel/iscsi start() { echo -n "Starting iSCSI target service: " modprobe -q crc32c modprobe iscsi_trgt daemon /usr/sbin/ietd RETVAL=$? echo return $RETVAL } stop() { echo -n "Stopping iSCSI target service: " ietadm --op delete >/dev/null 2>/dev/null killall ietd 2> /dev/null modprobe -r iscsi_trgt 2>/dev/null RETVAL=$? modprobe -r crc32c 2>/dev/null if [ $RETVAL -eq 0 ]; then echo_success else echo_failure fi echo return $RETVAL } On restarting it,initiator cannot retrieve disks which it was using at that time. ---------- Forwarded message ---------- From: himanshu padmanabhi <himanshu.padmanabhi@...> Date: Thu, Jun 19, 2008 at 4:17 PM Subject: Big Problem...NO DISKS ON IET RESTART To: iscsitarget-devel@... 1. "open-iscsi(865-0.2)" initiator machine connected to 1 target from target machine(having "IET version 16.1"). 2. output of "iscsiadm -m session -P 3" iSCSI Transport Class version 1.1-646 iscsiadm version 2.0-865 Target: iqn.2008-06.com.abcdefgh:Tar2 Current Portal: 192.168.7.173:3260,1 Persistent Portal: 192.168.7.173:3260,1 ********** Interface: ********** Iface Name: default Iface Transport: tcp Iface IPaddress: default Iface HWaddress: default Iface Netdev: default SID: 16 iSCSI Connection State: LOGGED IN Internal iscsid Session State: NO CHANGE ************************ Negotiated iSCSI params: ************************ HeaderDigest: CRC32C DataDigest: None MaxRecvDataSegmentLength: 131072 MaxXmitDataSegmentLength: 8192 FirstBurstLength: 65536 MaxBurstLength: 262144 ImmediateData: No InitialR2T: Yes MaxOutstandingR2T: 1 ************************ Attached SCSI devices: ************************ Host Number: 17 State: running scsi17 Channel 00 Id 0 Lun: 0 Attached scsi disk sdg State: running ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- 3. When I restarted "iscsi-target" daemon on the target side,Disk on the initiator got "blocked" and took tooooo much time to recover. 4. When Disk state was "running" after toooo much time,it's status still was, iSCSI Connection State: IN LOGIN Internal iscsid Session State: REPOEN making disks inaccessible on the initiator side, It should be iSCSI Connection State: LOGGED IN Internal iscsid Session State: NO CHANGE -------------------------------------------------------------------------------------------------------------------------------------------------------------- here's how it is..... Target: iqn.2008-06.com.qualexsystems:Tar2 Current Portal: 192.168.7.173:3260,1 Persistent Portal: 192.168.7.173:3260,1 ********** Interface: ********** Iface Name: default Iface Transport: tcp Iface IPaddress: default Iface HWaddress: default Iface Netdev: default SID: 25 iSCSI Connection State: IN LOGIN Internal iscsid Session State: REPOEN ************************ Negotiated iSCSI params: ************************ HeaderDigest: None DataDigest: None MaxRecvDataSegmentLength: 131072 MaxXmitDataSegmentLength: 8192 FirstBurstLength: 65536 MaxBurstLength: 262144 ImmediateData: No InitialR2T: Yes MaxOutstandingR2T: 1 ************************ Attached SCSI devices: ************************ Host Number: 17 State: running scsi17 Channel 00 Id 0 Lun: 0 Attached scsi disk sdg State: blocked After some time only last line changes to Attached scsi disk sdg State: running But still disks are inaccessible on initiator side. So IET code need to changed for that? ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php _______________________________________________ Iscsitarget-devel mailing list Iscsitarget-devel@... https://lists.sourceforge.net/lists/listinfo/iscsitarget-devel |
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