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VVR Replication configuration

lazaur
Level 4

HI Guys,

 

I am configuring the replication with our 2 node cluster using cluster. but when  adding the node is giving the error. i am not able to get proper logs also in engine.log and RVG.log. please help.

 

[root@AOSCEDA01 ~]# vradmin -g jceda_dg addsec jceda_rvg AOSCEDA01 AOSCEDA02 prlink=to_AOSCEDA01 srlink=to_AOSCEDA02
VxVM VVR vradmin ERROR V-5-52-417 RVG jceda_rvg already exists in disk group jceda_dg.
VxVM VVR vradmin ERROR V-5-52-802 Cannot start command execution on Secondary.
[root@AOSCEDA01 ~]#

 

 
Sarfraz Qazi
Certified
1 ACCEPTED SOLUTION

Accepted Solutions

mikebounds
Level 6
Partner Accredited

I don't know why config is still messed up, so I would re-create:

vradmin -g jceda_dg delsec jceda_rvg 
vradmin -g jceda_dg delpri jceda_rvg (may need -f)

vradmin -g jceda_dg createpri jceda_rvg lvol01,lvol2 Lvol_SRL
vradmin -g jceda_dg addsec jceda_rvg AOSCEDA01 AOSCEDA02 prlink=to_AOSCEDA02 srlink=to_AOSCEDA01
vradmin -g jceda_dg -a startrep jceda_rvg

 

It may also be worth making sure AOSCEDA01 and AOSCEDA02 resolve on both hosts by adding to DNS or local hosts file on both hosts.

Mike

View solution in original post

33 REPLIES 33

Gaurav_S
Moderator
Moderator
   VIP    Certified

Hi,

It seems like command is already executed once & objects are existing ..  What is the SF version you are using on both the nodes ? OS version ?

Can you paste a vxprint output from both the sites ..

Primary #  vxprint -qthg jceda_dg

Secondary# vxprint -qthg jceda_dg

 

Primary #  vxprint -Pl

Secondary# vxprint -Pl

 

Primary# vxprint -g jceda_dg -l printrvg

Secondary# vxprint -g jceda_dg -l printrvg

Primary# vxprint -g jceda_dg -l repstatus jceda_rvg

 

 

 

lazaur
Level 4

Hi Gaurav,

 

Please fins the output.

 

[root@AOSCEDA01 ~]# vxprint -qthg jceda_dg
dg jceda_dg     default      default  25000    1437551934.10.AOSCEDA01.DTP.AE

dm jvl01        disk_0       auto     65536    104788368 -
dm jvl02        disk_1       auto     65536    209639920 -
dm jvl03        disk_2       auto     65536    104788368 -

rl rlinkA       -            DETACHED UNASSOC  AOSCEDA01 jceda_dg rlinkB
rl rlinkB       -            DETACHED UNASSOC  AOSCEDA02 jceda_dg rlinkA

rv jceda_rvg    0            ENABLED  ACTIVE   primary  2         Lvol_SRL
v  lvol01       jceda_rvg    ENABLED  ACTIVE   104857600 SELECT   -        fsgen
pl lvol01-01    lvol01       ENABLED  ACTIVE   104857600 CONCAT   -        RW
sd jvl02-01     lvol01-01    jvl02    0        104857600 0        disk_1   ENA
pl lvol01-02    lvol01       ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW
sd jvl02-03     lvol01-02    jvl02    209574720 512     LOG       disk_1   ENA
pl lvol01-03    lvol01       ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW
sd jvl03-02     lvol01-03    jvl03    10485760 512      LOG       disk_2   ENA
v  lvol02       jceda_rvg    ENABLED  ACTIVE   209505488 SELECT   -        fsgen
pl lvol02-01    lvol02       ENABLED  ACTIVE   209505488 CONCAT   -        RW
sd jvl01-01     lvol02-01    jvl01    0        104788368 0        disk_0   ENA
sd jvl02-02     lvol02-01    jvl02    104857600 104717120 104788368 disk_1 ENA
pl lvol02-02    lvol02       ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW
sd jvl02-04     lvol02-02    jvl02    209575232 512     LOG       disk_1   ENA
pl lvol02-03    lvol02       ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW
sd jvl03-03     lvol02-03    jvl03    10486272 512      LOG       disk_2   ENA
v  Lvol_SRL     jceda_rvg    ENABLED  ACTIVE   10485760 SELECT    -        SRL
pl Lvol_SRL-01  Lvol_SRL     ENABLED  ACTIVE   10485760 CONCAT    -        RW
sd jvl03-01     Lvol_SRL-01  jvl03    0        10485760 0         disk_2   ENA
[root@AOSCEDA01 ~]#

[root@AOSCEDA02 /]# vxprint -qthg jceda_dg
dg jceda_dg     default      default  18000    1437914284.6.AOSCEDA02.DTP.AE

dm jvl01        disk_1       auto     65536    104788368 -
dm jvl02        disk_2       auto     65536    209639920 -
dm jvl03        disk_3       auto     65536    104788368 -

rv jceda_rvg    0            ENABLED  ACTIVE   primary  2         Lvol_SRL
v  lvol01       jceda_rvg    ENABLED  ACTIVE   104857600 SELECT   -        fsgen
pl lvol01-01    lvol01       ENABLED  ACTIVE   104857600 CONCAT   -        RW
sd jvl02-01     lvol01-01    jvl02    0        104857600 0        disk_2   ENA
pl lvol01-02    lvol01       ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW
sd jvl02-04     lvol01-02    jvl02    207687792 512     LOG       disk_2   ENA
pl lvol01-03    lvol01       ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW
sd jvl03-03     lvol01-03    jvl03    10486272 512      LOG       disk_3   ENA
v  lvol02       jceda_rvg    ENABLED  ACTIVE   207618048 SELECT   -        fsgen
pl lvol02-01    lvol02       ENABLED  ACTIVE   207618048 CONCAT   -        RW
sd jvl01-01     lvol02-01    jvl01    0        104788368 0        disk_1   ENA
sd jvl02-02     lvol02-01    jvl02    104857600 102829680 104788368 disk_2 ENA
pl lvol02-02    lvol02       ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW
sd jvl02-03     lvol02-02    jvl02    207687280 512     LOG       disk_2   ENA
pl lvol02-03    lvol02       ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW
sd jvl03-02     lvol02-03    jvl03    10485760 512      LOG       disk_3   ENA
v  Lvol_SRL     jceda_rvg    ENABLED  ACTIVE   10485760 SELECT    -        SRL
pl Lvol_SRL-01  Lvol_SRL     ENABLED  ACTIVE   10485760 CONCAT    -        RW
sd jvl03-01     Lvol_SRL-01  jvl03    0        10485760 0         disk_3   ENA
You have new mail in /var/spool/mail/root
[root@AOSCEDA02 /]#

[root@AOSCEDA01 ~]# vxprint -Pl
Disk group: jceda_dg

Rlink:    rlinkA
info:     timeout=500 rid=0.1189
          latency_high_mark=10000 latency_low_mark=9950
          bandwidth_limit=none
state:    state=UNASSOC
          synchronous=off latencyprot=off srlprot=dcm
assoc:    rvg=(dissoc)
          remote_host=AOSCEDA01 IP_addr=192.168.0.170 port=
          remote_dg=jceda_dg
          remote_dg_dgid=
          remote_rvg_version=unknown
          remote_rlink=rlinkB
          remote_rlink_rid=0.0
          local_host=AOSCEDA01 IP_addr=192.168.0.170 port=4145
protocol: TCP/IP
flags:    write disabled detached inconsistent cant_sync disconnected

Rlink:    rlinkB
info:     timeout=500 rid=0.1186
          latency_high_mark=10000 latency_low_mark=9950
          bandwidth_limit=none
state:    state=UNASSOC
          synchronous=off latencyprot=off srlprot=dcm
assoc:    rvg=(dissoc)
          remote_host=AOSCEDA02 IP_addr=192.168.0.171 port=
          remote_dg=jceda_dg
          remote_dg_dgid=
          remote_rvg_version=unknown
          remote_rlink=rlinkA
          remote_rlink_rid=0.0
          local_host=AOSCEDA01 IP_addr=192.168.0.170 port=4145
protocol: TCP/IP
flags:    write disabled detached inconsistent cant_sync disconnected

You have new mail in /var/spool/mail/root
[root@AOSCEDA01 ~]#


nothing display on secondry site

[root@AOSCEDA02 /]# vxprint -Pl
[root@AOSCEDA02 /]#

[root@AOSCEDA01 ~]# vxprint -g jceda_dg -l printrvg
VxVM vxprint ERROR V-5-1-924 Record printrvg not found
[root@AOSCEDA01 ~]#

[root@AOSCEDA02 /]# vxprint -g jceda_dg -l printrvg
VxVM vxprint ERROR V-5-1-924 Record printrvg not found
[root@AOSCEDA02 /]#

[root@AOSCEDA01 ~]# vxprint -g jceda_dg -l repstatus jceda_rvg
VxVM vxprint ERROR V-5-1-924 Record repstatus not found
Rvg:      jceda_rvg
info:     rid=0.1168 version=3 rvg_version=45 last_tag=2
state:    state=ACTIVE kernel=ENABLED
assoc:    datavols=lvol01,lvol02
          srl=Lvol_SRL
          rlinks=(none)
          exports=(none)
          vsets=(none)
att:      rlinks=(none)
flags:    closed primary enabled attached
device:   minor=25003 bdev=199/25003 cdev=199/25003 path=/dev/vx/dsk/jceda_dg/jceda_rvg
perms:    user=root group=root mode=0600

[root@AOSCEDA01 ~]#

[root@AOSCEDA02 /]# vxprint -g jceda_dg -l repstatus jceda_rvg
VxVM vxprint ERROR V-5-1-924 Record repstatus not found
Rvg:      jceda_rvg
info:     rid=0.1099 version=3 rvg_version=45 last_tag=2
state:    state=ACTIVE kernel=ENABLED
assoc:    datavols=lvol01,lvol02
          srl=Lvol_SRL
          rlinks=(none)
          exports=(none)
          vsets=(none)
att:      rlinks=(none)
flags:    closed primary enabled attached
device:   minor=18003 bdev=199/18003 cdev=199/18003 path=/dev/vx/dsk/jceda_dg/jceda_rvg
perms:    user=root group=root mode=0600

[root@AOSCEDA02 /]#

 

 

 
Sarfraz Qazi
Certified

lazaur
Level 4

hi Gaurav,

Please find the out put.

[root@AOSCEDA01 jceda]# vxprint -qthg jceda_dg
dg jceda_dg     default      default  25000    1437551934.10.AOSCEDA01.DTP.AE

dm jvl01        disk_0       auto     65536    104788368 -
dm jvl02        disk_1       auto     65536    209639920 -
dm jvl03        disk_2       auto     65536    104788368 -

rl rlinkA       -            DETACHED UNASSOC  AOSCEDA01 jceda_dg rlinkB
rl rlinkB       -            DETACHED UNASSOC  AOSCEDA02 jceda_dg rlinkA

rv jceda_rvg    0            ENABLED  ACTIVE   primary  2         Lvol_SRL
v  lvol01       jceda_rvg    ENABLED  ACTIVE   104857600 SELECT   -        fsgen
pl lvol01-01    lvol01       ENABLED  ACTIVE   104857600 CONCAT   -        RW
sd jvl02-01     lvol01-01    jvl02    0        104857600 0        disk_1   ENA
pl lvol01-02    lvol01       ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW
sd jvl02-03     lvol01-02    jvl02    209574720 512     LOG       disk_1   ENA
pl lvol01-03    lvol01       ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW
sd jvl03-02     lvol01-03    jvl03    10485760 512      LOG       disk_2   ENA
v  lvol02       jceda_rvg    ENABLED  ACTIVE   209505488 SELECT   -        fsgen
pl lvol02-01    lvol02       ENABLED  ACTIVE   209505488 CONCAT   -        RW
sd jvl01-01     lvol02-01    jvl01    0        104788368 0        disk_0   ENA
sd jvl02-02     lvol02-01    jvl02    104857600 104717120 104788368 disk_1 ENA
pl lvol02-02    lvol02       ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW
sd jvl02-04     lvol02-02    jvl02    209575232 512     LOG       disk_1   ENA
pl lvol02-03    lvol02       ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW
sd jvl03-03     lvol02-03    jvl03    10486272 512      LOG       disk_2   ENA
v  Lvol_SRL     jceda_rvg    ENABLED  ACTIVE   10485760 SELECT    -        SRL
pl Lvol_SRL-01  Lvol_SRL     ENABLED  ACTIVE   10485760 CONCAT    -        RW
sd jvl03-01     Lvol_SRL-01  jvl03    0        10485760 0         disk_2   ENA
[root@AOSCEDA01 jceda]#

[root@AOSCEDA02 jceda]# vxprint -qthg jceda_dg
dg jceda_dg     default      default  18000    1437914284.6.AOSCEDA02.DTP.AE

dm jvl01        disk_1       auto     65536    104788368 -
dm jvl02        disk_2       auto     65536    209639920 -
dm jvl03        disk_3       auto     65536    104788368 -

rv jceda_rvg    0            ENABLED  ACTIVE   primary  2         Lvol_SRL
v  lvol01       jceda_rvg    ENABLED  ACTIVE   104857600 SELECT   -        fsgen
pl lvol01-01    lvol01       ENABLED  ACTIVE   104857600 CONCAT   -        RW
sd jvl02-01     lvol01-01    jvl02    0        104857600 0        disk_2   ENA
pl lvol01-02    lvol01       ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW
sd jvl02-04     lvol01-02    jvl02    207687792 512     LOG       disk_2   ENA
pl lvol01-03    lvol01       ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW
sd jvl03-03     lvol01-03    jvl03    10486272 512      LOG       disk_3   ENA
v  lvol02       jceda_rvg    ENABLED  ACTIVE   207618048 SELECT   -        fsgen
pl lvol02-01    lvol02       ENABLED  ACTIVE   207618048 CONCAT   -        RW
sd jvl01-01     lvol02-01    jvl01    0        104788368 0        disk_1   ENA
sd jvl02-02     lvol02-01    jvl02    104857600 102829680 104788368 disk_2 ENA
pl lvol02-02    lvol02       ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW
sd jvl02-03     lvol02-02    jvl02    207687280 512     LOG       disk_2   ENA
pl lvol02-03    lvol02       ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW
sd jvl03-02     lvol02-03    jvl03    10485760 512      LOG       disk_3   ENA
v  Lvol_SRL     jceda_rvg    ENABLED  ACTIVE   10485760 SELECT    -        SRL
pl Lvol_SRL-01  Lvol_SRL     ENABLED  ACTIVE   10485760 CONCAT    -        RW
sd jvl03-01     Lvol_SRL-01  jvl03    0        10485760 0         disk_3   ENA
[root@AOSCEDA02 jceda]#

[root@AOSCEDA01 jceda]# vxprint -Pl
Disk group: jceda_dg

Rlink:    rlinkA
info:     timeout=500 rid=0.1189
          latency_high_mark=10000 latency_low_mark=9950
          bandwidth_limit=none
state:    state=UNASSOC
          synchronous=off latencyprot=off srlprot=dcm
assoc:    rvg=(dissoc)
          remote_host=AOSCEDA01 IP_addr=192.168.0.170 port=
          remote_dg=jceda_dg
          remote_dg_dgid=
          remote_rvg_version=unknown
          remote_rlink=rlinkB
          remote_rlink_rid=0.0
          local_host=AOSCEDA01 IP_addr=192.168.0.170 port=4145
protocol: TCP/IP
flags:    write disabled detached inconsistent cant_sync disconnected

Rlink:    rlinkB
info:     timeout=500 rid=0.1186
          latency_high_mark=10000 latency_low_mark=9950
          bandwidth_limit=none
state:    state=UNASSOC
          synchronous=off latencyprot=off srlprot=dcm
assoc:    rvg=(dissoc)
          remote_host=AOSCEDA02 IP_addr=192.168.0.171 port=
          remote_dg=jceda_dg
          remote_dg_dgid=
          remote_rvg_version=unknown
          remote_rlink=rlinkA
          remote_rlink_rid=0.0
          local_host=AOSCEDA01 IP_addr=192.168.0.170 port=4145
protocol: TCP/IP
flags:    write disabled detached inconsistent cant_sync disconnected

[root@AOSCEDA01 jceda]#

[root@AOSCEDA02 jceda]# vxprint -Pl
[root@AOSCEDA02 jceda]#

[root@AOSCEDA01 jceda]# vxprint -g jceda_dg -l printrvg
VxVM vxprint ERROR V-5-1-924 Record printrvg not found
[root@AOSCEDA01 jceda]# vxprint -g jceda_dg -l repstatus jceda_rvg
VxVM vxprint ERROR V-5-1-924 Record repstatus not found
Rvg:      jceda_rvg
info:     rid=0.1168 version=3 rvg_version=45 last_tag=2
state:    state=ACTIVE kernel=ENABLED
assoc:    datavols=lvol01,lvol02
          srl=Lvol_SRL
          rlinks=(none)
          exports=(none)
          vsets=(none)
att:      rlinks=(none)
flags:    closed primary enabled attached
device:   minor=25003 bdev=199/25003 cdev=199/25003 path=/dev/vx/dsk/jceda_dg/jceda_rvg
perms:    user=root group=root mode=0600

[root@AOSCEDA01 jceda]#

[root@AOSCEDA02 jceda]# vxprint -g jceda_dg -l printrvg
VxVM vxprint ERROR V-5-1-924 Record printrvg not found
[root@AOSCEDA02 jceda]#

 

 
Sarfraz Qazi
Certified

mikebounds
Level 6
Partner Accredited

You have an RVG on both sites, but only an rlink on site 01, therefore you either need to:

  1. Create the rlink at site 02

    OR
     
  2. Remove the RVG at site 02 and the rlink at site01 so you can then run the vxrvg addsec (which adds rlink at both sites and RVG at secondary site).

Mike

mikebounds
Level 6
Partner Accredited

Having looked at your config some more, I can see it is in a mess as you have 2 rlinks (but only 1 RVG), both rlinks are disassociated and you have a primary RVG on both sites (yone should be a secondary RVG) so you need to clean up the config for which the following should work:

Node: AOSCEDA01

vxedit -g jceda_dg rm rlinkA
vxedit -g jceda_dg rm rlinkB

 

Node: OSCEDA02

vradmin -g jceda_dg delpri jceda_rvg    

 

Then re-run your addsec command:

vradmin -g jceda_dg addsec jceda_rvg AOSCEDA01 AOSCEDA02 prlink=to_AOSCEDA01 srlink=to_AOSCEDA02

 

Mike

 

 

Gaurav_S
Moderator
Moderator
   VIP    Certified

I agree with Mike, the setup looks like you don't have a rlink at secondary at all ..  Look at below output as there is no "rl" object .... 

root@AOSCEDA02 /]# vxprint -qthg jceda_dg
dg jceda_dg     default      default  18000    1437914284.6.AOSCEDA02.DTP.AE

dm jvl01        disk_1       auto     65536    104788368 -
dm jvl02        disk_2       auto     65536    209639920 -
dm jvl03        disk_3       auto     65536    104788368 -

rv jceda_rvg    0            ENABLED  ACTIVE   primary  2         Lvol_SRL  
v  lvol01       jceda_rvg    ENABLED  ACTIVE   104857600 SELECT   -        fsgen
pl lvol01-01    lvol01       ENABLED  ACTIVE   104857600 CONCAT   -        RW
sd jvl02-01     lvol01-01    jvl02    0        104857600 0        disk_2   ENA

 

While your primary has 2 rl objects meaning 2 rlinks however both are not part of RVG .. basically on primary you are missing an associated rlink from primary to secondary while on secondary you are missing with rlink itself.

Let us know how above suggested commands go through ...

lazaur
Level 4

Hi Mike,

 

i am getting below error now.

[root@AOSCEDA01 test]# vradmin -g jceda_dg addsec jceda_rvg AOSCEDA01 AOSCEDA02 prlink=to_AOSCEDA01 srlink=to_AOSCEDA02
Message from Host AOSCEDA02:
VxVM VVR vradmin ERROR V-5-52-422 Primary disk group 1437551934.10.AOSCEDA01.DTP.AE is not authenticated.
VxVM VVR vradmin ERROR V-5-52-802 Cannot start command execution on Secondary.
[root@AOSCEDA01 test]#

 

[root@AOSCEDA01 test]# cat /etc/vx/vras/.rdg
1437551934.10.AOSCEDA01.DTP.AE
[root@AOSCEDA01 test]# vxprint -l jceda_dg | grep dgid
info:     dgid=1437551934.10.AOSCEDA01.DTP.AE noautoimport
[root@AOSCEDA01 test]#

[root@AOSCEDA02 ~]# cat /etc/vx/vras/.rdg
1437914284.6.AOSCEDA02.DTP.AE
[root@AOSCEDA02 ~]# vxprint -l jceda_dg | grep dgid
info:     dgid=1437914284.6.AOSCEDA02.DTP.AE noautoimport
[root@AOSCEDA02 ~]#


suggest me rdg configuration is correct

 

 
Sarfraz Qazi
Certified

Gaurav_S
Moderator
Moderator
   VIP    Certified

you are missing with diskgroup authentication as well ..

Find out the diskgroup ID using "vxdg list <diskgroup>" command & add it to below file on secondary

/etc/vx/vras/.rdg

For e.g

# vxdg list
NAME STATE ID
rootdg enabled 730344554.1025.tweety
newdg enabled 731118794.1213.tweety

Add this ID to /etc/vx/vras/.rdg file on secondary host

Same way, find diskgroup ID on secondary machine using same command & add the ID on same file on primary machine. This is required if you switch the roles later where secondary node becomes primary while primary becomes secondary.

 

G

mikebounds
Level 6
Partner Accredited

You need to add "1437551934.10.AOSCEDA01.DTP.AE" to /etc/vx/vras/.rdg on node AOSCEDA02 (or you can add a "+" to allow or nodes to create RVG objects.

Mike

lazaur
Level 4

Hi Gaurav/Mike,

 

I am new to VVR so please guide me i can do the reconfiguration.

 
Sarfraz Qazi
Certified

Gaurav_S
Moderator
Moderator
   VIP    Certified

AOSCEDA02 # echo "1437551934.10.AOSCEDA01.DTP.AE >> /etc/vx/vras/.rdg

AOSCEDA01 # echo "1437914284.6.AOSCEDA02.DTP.AE" >> /etc/vx/vras/.rdg

 

G

mikebounds
Level 6
Partner Accredited

Just to explain, this is giving permission for node01 to create VVR objects on node02, so you only need to give permission on node2 and you could even remove this afterwards, but useful to keep it here in case you need to re-run (and hence why it can be useful to create permissions on both nodes in case you want to create RVG primary on node2)

Mike

mikebounds
Level 6
Partner Accredited

If you are still have issues, please post output of "vxprint -VPl" from both sites

Mike

lazaur
Level 4

Hi Saurav/Mike,

 

i getting bellow error. please let me know how i can detached this volume and recreate and attach again or any suggest any other solution

[root@AOSCEDA01 ~]# vradmin -g jceda_dg addsec jceda_rvg AOSCEDA01 AOSCEDA02 prlink=to_AOSCEDA01 srlink=to_AOSCEDA02
Message from Host AOSCEDA02:
VxVM VVR vradmin ERROR V-5-52-609 Volume lvol02 in disk group jceda_dg not of equal length as Primary volume.
VxVM VVR vradmin ERROR V-5-52-802 Cannot start command execution on Secondary.
[root@AOSCEDA01 ~]#

 

/dev/vx/dsk/jceda_dg/lvol02  100G   95M   94G   1% /jcealog
[root@AOSCEDA02 ~]#

[root@AOSCEDA01 ~]# df -Ph | grep /jcealog
/dev/vx/dsk/jceda_dg/lvol02  100G   95M   94G   1% /jcealog
[root@AOSCEDA01 ~]#

 

 
Sarfraz Qazi
Certified

mikebounds
Level 6
Partner Accredited

You need to make volumes the same length, so on system AOSCEDA02, run:

vxresize -g jceda_dg resize lvol02 209505488 

 

After this run "vxprint -vg jceda_dg" on both nodes to make sure the lengths are the same for each volume

Just to add you must not have filesystem mouned on 02, as if volumes are open on secondary, then the addsec command will fail.

Mike

Gaurav_S
Moderator
Moderator
   VIP    Certified

Just to explain, Size in df command is appearing same as 100G however carefully observe the size

Primary

v  lvol02       jceda_rvg    ENABLED  ACTIVE   209505488 SELECT   -        fsgen   - 99.90GB

Secondary

v  lvol02       jceda_rvg    ENABLED  ACTIVE   207618048 SELECT   -        fsgen   - 99.00GB

 

VVR needs volumes to be of same sizes, you need to use vxresize to make both volumes & FS on both the nodes as exact same size.

 

G

lazaur
Level 4

Hi Saurav/Mike,

 

thanks alots for helps its works now

[root@AOSCEDA01 ~]# vradmin -g jceda_dg addsec jceda_rvg AOSCEDA01 AOSCEDA02 prlink=to_AOSCEDA01 srlink=to_AOSCEDA02
You have new mail in /var/spool/mail/root
[root@AOSCEDA01 ~]#

please guide me if i ca start the replication now from below command or let me know further step.

vradmin -g jceda_dg -a startrep jceda_rvg AOSCEDA02

its is possible to to run above command if both mounted a FS for testing if data replicating or not.

 
Sarfraz Qazi
Certified

mikebounds
Level 6
Partner Accredited

Yes this is correct command.

If you want to test, then create files in one or both of your filesystems (for lvol01 and lvol02 volumes) on node 01.  Then umount filesystems on 01 and run:

vradmin -g jceda_dg -migrate jceda_rvg 

This will reverse roles so that now node 02 is primary (and 01 is secondary)

Then mount filesystems on node 02 to verify you can see files you created.  

You can then create further files (or edit existing files) on node 2 and then do the same again (umount on node2 and run "vradmin -g jceda_dg -migrate jceda_rvg " again) to get back to filesystems mounted on node1.

Mike

 

lazaur
Level 4

i got one more error

[root@AOSCEDA01 ~]# vradmin -g jceda_dg -a startrep jceda_rvg AOSCEDA02
Message from Primary:
VxVM VVR vradmin ERROR V-5-52-448 Secondary on AOSCEDA02 has configuration error. Check information about this RDS.
[root@AOSCEDA01 ~]#

 

please helpt

 
Sarfraz Qazi
Certified