backup-rserver issues

Unanswered Question
Aug 3rd, 2010

I have configured a serverfarm with two servers that are required by license to be active-passive:

probe http rush1
  interval 10
  faildetect 1
  passdetect interval 5
  passdetect count 1
  receive 5
  request method get url /mrush?operation=ding
  expect status 200 200
  open 5
  expect regex dong

serverfarm host rush
  probe rush1
  rserver rush1
    backup-rserver rush2
    inservice
  rserver rush2
    inservice standby

rserver host rush1
  description RUSH server
  ip address 192.168.0.101
  probe rush1
  inservice
rserver host rush2
  description Backup RUSH server
  ip address 192.168.0.102
  inservice

however, regardless of how I fail over, the second server never leaves 'standby' and does not respond to requests... the counters on the serverfarm go up, including the failuers, on the backup rserver

serverfarm     : rush, type: HOST
total rservers : 2

---------------------------------
                                                ----------connections-----------
       real                  weight state        current    total      failures
   ---+---------------------+------+------------+----------+----------+---------
   rserver: rush1
       192.168.0.101:0          8      PROBE-FAILED 0          1361       25
   rserver: rush2
       192.168.0.102:0          8      STANDBY      0          0          12

I have this problem too.
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yushimaz Mon, 08/09/2010 - 02:01

This looks strange behavior. I suspect a bug but have not found similar one.

In my lab, rserver state goes OPERATIONAL from STANDBY when primary

server goes PROBE-FAILED. (This is expected behavior.)

Did you configure as following step only? If not, could you please let me know

your config step? (For example, configure rserver rush1 and rush2 in serververm

and then change configuration with backup-rserver command.)

1) configure probe

2) configure rserver rush1 and rush2

3) configure backup-rserver rush2 in serverfarm (not configure rserver rush2 by hand)

If you use these 2 rservers on other serverfarm,

And also, could you please let me know the ACE version and the number of

'active rservers' in 'show serverfarm detail'?

---

ACE20/Admin# show ver | i image

  system image file: [LCP] disk0:c6ace-t1k9-mz.A2_3_1.bin

ACE20/Admin#

ACE20/Admin# show serverfarm detail

serverfarm     : sf, type: HOST

total rservers : 2

active rservers: 1  <<==

description    : -

state          : ACTIVE

---

When primary server goes down (PROBE-FAILED), does only 'failures' counter of

rush2 increase?

       real                  weight state        current    total      failures
   ---+---------------------+------+------------+----------+----------+---------
   rserver: rush1
       192.168.0.101:0          8      PROBE-FAILED 0          1361       25
   rserver: rush2
       192.168.0.102:0          8      STANDBY      0          0          12  <<== increase this counter?

Regards

Yuji

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