[Linux-HA] Sending ping on other port

2013-11-12 Thread Ahmed Munir
Hi All, I would like to know, is it possible to change the ping port as 5060 using ocf::pingd? Means to say need to send ping at port 5060. If it is possible please advise what parameters do I need to enable it? -- Regards, Ahmed Munir Chohan ___

Re: [Linux-HA] Sending ping on other port

2013-11-12 Thread Takehiro Matsushima
Hi, Generally, ping uses ICMP which has no concept about port. ocf:pacemaker:pingd and calls internally ocf:pacemaker:ping are implemented using fping. BTW, I googled, to knock any tcp/udp port like ping. hping looks be useable. Of course, modify/create the resource agent is required. :)

[Linux-HA] drbd/pacemaker multiple tgt targets, portblock, and race conditions (long-ish)

2013-11-12 Thread Jefferson Ogata
Greetings. I'm working on a high-availability iSCSI target (tgt) cluster using CentOS 6.4, to support a blade VM infrastructure. I've encountered a number of problems i haven't found documented elsewhere (not for lack of looking), and i want to run some solutions past the list to see what

[Linux-HA] iSCSI corruption during interconnect failure with pacemaker+tgt+drbd+protocol C

2013-11-12 Thread Jefferson Ogata
Here's a problem i don't understand, and i'd like a solution to if possible, or at least i'd like to understand why it's a problem, because i'm clearly not getting something. I have an iSCSI target cluster using CentOS 6.4 with stock pacemaker/CMAN/corosync and tgt, and DRBD 8.4 which i've

Re: [Linux-HA] iSCSI corruption during interconnect failure with pacemaker+tgt+drbd+protocol C

2013-11-12 Thread Andrew Beekhof
On 13 Nov 2013, at 2:10 pm, Jefferson Ogata linux...@antibozo.net wrote: Here's a problem i don't understand, and i'd like a solution to if possible, or at least i'd like to understand why it's a problem, because i'm clearly not getting something. I have an iSCSI target cluster using

Re: [Linux-HA] iSCSI corruption during interconnect failure with pacemaker+tgt+drbd+protocol C

2013-11-12 Thread Vladislav Bogdanov
13.11.2013 06:10, Jefferson Ogata wrote: Here's a problem i don't understand, and i'd like a solution to if possible, or at least i'd like to understand why it's a problem, because i'm clearly not getting something. I have an iSCSI target cluster using CentOS 6.4 with stock

Re: [Linux-HA] drbd/pacemaker multiple tgt targets, portblock, and race conditions (long-ish)

2013-11-12 Thread Vladislav Bogdanov
13.11.2013 04:46, Jefferson Ogata wrote: ... In practice i ran into failover problems under load almost immediately. Under load, when i would initiate a failover, there was a race condition: the iSCSILogicalUnit RA will take down the LUNs one at a time, waiting for each connection to