<p>I will he I.teresting to see your iscsi setup with drbd. Did you got splitbrain before failure?<br>
Did you check if your target went to readonly mode? <br>
Thanks <br>
Arman.</p>
<div class="gmail_quote">On Nov 4, 2014 5:40 PM, "Gianluca Cecchi" <<a href="mailto:gianluca.cecchi@gmail.com">gianluca.cecchi@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Nov 4, 2014 at 11:39 AM, Itamar Heim <span dir="ltr"><<a href="mailto:iheim@redhat.com" target="_blank">iheim@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span>On 10/27/2014 06:48 PM, Gianluca Cecchi wrote:<br>
</span><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><span>
Hello,<br>
an iSCSI SD went down and it seems it is not able to come up again.<br>
<br>
From an iSCSI point of view all seems ok..<br>
<br>
[root@ovnode04 vdsm]# iscsiadm -m session -P 1<br>
Target: iqn.2014-07.local.localdomain:<u></u>store1<br></span>
Current Portal: <a href="http://10.10.1.71:3260" target="_blank">10.10.1.71:3260</a> <<a href="http://10.10.1.71:3260" target="_blank">http://10.10.1.71:3260</a>>,1<br>
Persistent Portal: <a href="http://10.10.1.71:3260" target="_blank">10.10.1.71:3260</a> <<a href="http://10.10.1.71:3260" target="_blank">http://10.10.1.71:3260</a>>,1<div><div><br>
**********<br>
Interface:<br>
**********<br>
Iface Name: default<br>
Iface Transport: tcp<br>
Iface Initiatorname: iqn.1994-05.com.redhat:<u></u>5d9b31319a8e<br>
Iface IPaddress: 10.10.1.61<br>
Iface HWaddress: <empty><br>
Iface Netdev: <empty><br>
SID: 1<br>
iSCSI Connection State: LOGGED IN<br>
iSCSI Session State: LOGGED_IN<br>
Internal iscsid Session State: NO CHANGE<br>
<br>
<br>
[root@ovnode04 vdsm]# multipath -l<br>
1p_iscsi_store1_l dm-2 IET,VIRTUAL-DISK<br>
size=200G features='0' hwhandler='0' wp=rw<br>
`-+- policy='round-robin 0' prio=0 status=active<br>
`- 1:0:0:1 sdb 8:16 active undef running<br>
<br>
Access to the lun seems ok:<br>
[root@ovnode04 ~]# time dd if=/dev/mapper/1p_iscsi_<u></u>store1_l of=/dev/null<br>
bs=1024k count=1024<br>
1024+0 records in<br>
1024+0 records out<br>
1073741824 bytes (1.1 GB) copied, 9.24202 s, 116 MB/s<br>
<br>
real0m9.247s<br>
user0m0.002s<br>
sys0m0.463s<br>
<br>
<br>
But it continues to remain in contending and never comes to master.<br>
<br>
<br>
Failed to activate Storage Domain istore1 (Data Center iscsidc) by ovadmin<br>
<br>
I only have this host in this cluster.<br>
What to do?<br>
Already tried to restart both engine service on engine host and vdsmd<br>
service on the host.<br>
<br>
Any other commands to check anything?<br>
<br>
Gianluca<br>
<br>
<br>
<br></div></div>
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</blockquote>
<br>
resolved?<br>
</blockquote></div><br></div><div class="gmail_extra">yes, thanks.</div><div class="gmail_extra">I had to restart also host itself to regain access to SD....</div><div class="gmail_extra"><br></div><div class="gmail_extra">One note about the SD: it is iSCSI configured as sw iscsi target in HA with Pacemaker and drbd. </div><div class="gmail_extra">I had a problem on one node and apparently this was not so transparent to oVirt host.</div><div class="gmail_extra">I didn't have time to check more deeply....</div><div class="gmail_extra"><br></div><div class="gmail_extra">Gianluca</div><div class="gmail_extra"><br></div><div class="gmail_extra"><br></div></div>
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