[ovirt-users] iSCSI Multipathing -> host inactive
Uwe Laverenz
uwe at laverenz.de
Tue Aug 16 06:26:45 UTC 2016
Hi,
Am 15.08.2016 um 16:53 schrieb Elad Ben Aharon:
> Is the iSCSI domain that supposed to be connected through the bond the
> current master domain?
No, it isn't. An NFS share is the master domain.
> Also, can you please provide the output of 'iscsiadm -m session -P3' ?
Yes, of course (meanwhile I have switched to 2 targets, 1 per portal).
This is _without_ iSCSI-Bond:
[root at ovh01 ~]# iscsiadm -m session -P3
iSCSI Transport Class version 2.0-870
version 6.2.0.873-33.2
Target: iqn.2005-10.org.freenas.ctl:tgta (non-flash)
Current Portal: 10.0.131.121:3260,257
Persistent Portal: 10.0.131.121:3260,257
**********
Interface:
**********
Iface Name: default
Iface Transport: tcp
Iface Initiatorname: iqn.1994-05.com.redhat:cda91b279ac5
Iface IPaddress: 10.0.131.122
Iface HWaddress: <empty>
Iface Netdev: <empty>
SID: 34
iSCSI Connection State: LOGGED IN
iSCSI Session State: LOGGED_IN
Internal iscsid Session State: NO CHANGE
*********
Timeouts:
*********
Recovery Timeout: 5
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: 131072
FirstBurstLength: 131072
MaxBurstLength: 16776192
ImmediateData: Yes
InitialR2T: Yes
MaxOutstandingR2T: 1
************************
Attached SCSI devices:
************************
Host Number: 44 State: running
scsi44 Channel 00 Id 0 Lun: 0
Attached scsi disk sdf State: running
scsi44 Channel 00 Id 0 Lun: 1
Attached scsi disk sdg State: running
scsi44 Channel 00 Id 0 Lun: 2
Attached scsi disk sdh State: running
scsi44 Channel 00 Id 0 Lun: 3
Attached scsi disk sdi State: running
Target: iqn.2005-10.org.freenas.ctl:tgtb (non-flash)
Current Portal: 10.0.132.121:3260,258
Persistent Portal: 10.0.132.121:3260,258
**********
Interface:
**********
Iface Name: default
Iface Transport: tcp
Iface Initiatorname: iqn.1994-05.com.redhat:cda91b279ac5
Iface IPaddress: 10.0.132.122
Iface HWaddress: <empty>
Iface Netdev: <empty>
SID: 35
iSCSI Connection State: LOGGED IN
iSCSI Session State: LOGGED_IN
Internal iscsid Session State: NO CHANGE
*********
Timeouts:
*********
Recovery Timeout: 5
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: 131072
FirstBurstLength: 131072
MaxBurstLength: 16776192
ImmediateData: Yes
InitialR2T: Yes
MaxOutstandingR2T: 1
************************
Attached SCSI devices:
************************
Host Number: 45 State: running
scsi45 Channel 00 Id 0 Lun: 0
Attached scsi disk sdj State: running
scsi45 Channel 00 Id 0 Lun: 1
Attached scsi disk sdk State: running
scsi45 Channel 00 Id 0 Lun: 2
Attached scsi disk sdl State: running
scsi45 Channel 00 Id 0 Lun: 3
Attached scsi disk sdm State: running
And `multipath -ll`:
[root at ovh01 ~]# multipath -ll
36589cfc000000fafcc87da5ddd69c7e2 dm-2 FreeNAS ,iSCSI Disk
size=128G features='0' hwhandler='0' wp=rw
|-+- policy='service-time 0' prio=1 status=active
| `- 45:0:0:2 sdl 8:176 active ready running
`-+- policy='service-time 0' prio=1 status=enabled
`- 44:0:0:2 sdh 8:112 active ready running
36589cfc000000d403b89dc6ad86ef2c0 dm-0 FreeNAS ,iSCSI Disk
size=128G features='0' hwhandler='0' wp=rw
|-+- policy='service-time 0' prio=1 status=active
| `- 45:0:0:3 sdm 8:192 active ready running
`-+- policy='service-time 0' prio=1 status=enabled
`- 44:0:0:3 sdi 8:128 active ready running
36589cfc0000001976e4e013ce9074fa7 dm-1 FreeNAS ,iSCSI Disk
size=128G features='0' hwhandler='0' wp=rw
|-+- policy='service-time 0' prio=1 status=active
| `- 45:0:0:1 sdk 8:160 active ready running
`-+- policy='service-time 0' prio=1 status=enabled
`- 44:0:0:1 sdg 8:96 active ready running
36589cfc0000002af0e93a13f7a73a54b dm-3 FreeNAS ,iSCSI Disk
size=128G features='0' hwhandler='0' wp=rw
|-+- policy='service-time 0' prio=1 status=active
| `- 45:0:0:0 sdj 8:144 active ready running
`-+- policy='service-time 0' prio=1 status=enabled
`- 44:0:0:0 sdf 8:80 active ready running
[root at ovh01 ~]# multipath -ll
36589cfc000000fafcc87da5ddd69c7e2 dm-2 FreeNAS ,iSCSI Disk
size=128G features='0' hwhandler='0' wp=rw
|-+- policy='service-time 0' prio=1 status=active
| `- 45:0:0:2 sdl 8:176 active ready running
`-+- policy='service-time 0' prio=1 status=enabled
`- 44:0:0:2 sdh 8:112 active ready running
36589cfc000000d403b89dc6ad86ef2c0 dm-0 FreeNAS ,iSCSI Disk
size=128G features='0' hwhandler='0' wp=rw
|-+- policy='service-time 0' prio=1 status=active
| `- 45:0:0:3 sdm 8:192 active ready running
`-+- policy='service-time 0' prio=1 status=enabled
`- 44:0:0:3 sdi 8:128 active ready running
36589cfc0000001976e4e013ce9074fa7 dm-1 FreeNAS ,iSCSI Disk
size=128G features='0' hwhandler='0' wp=rw
|-+- policy='service-time 0' prio=1 status=active
| `- 45:0:0:1 sdk 8:160 active ready running
`-+- policy='service-time 0' prio=1 status=enabled
`- 44:0:0:1 sdg 8:96 active ready running
36589cfc0000002af0e93a13f7a73a54b dm-3 FreeNAS ,iSCSI Disk
size=128G features='0' hwhandler='0' wp=rw
|-+- policy='service-time 0' prio=1 status=active
| `- 45:0:0:0 sdj 8:144 active ready running
`-+- policy='service-time 0' prio=1 status=enabled
`- 44:0:0:0 sdf 8:80 active ready running
Thanks,
Uwe
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