[Ocfs2-tools-devel] ocfs2-tools-o2cb-1.8.2 - critical issue o2cb

[Sunil Mushran]

add-node only adds to the local config file. You have to do add-node on all
nodes... followed by register-cluster on all nodes.
Until that is done, the cluster will refuse to mount new volumes on any
node.


On Thu, Mar 14, 2013 at 2:37 PM, Eugene Istomin <E.Istomin at edss.ee> wrote:

> **
>
> Additional log:
>
>
>
> tsc-hv01:/tmp # o2cb add-node storage tsc-hv03 --ip 10.251.2.13
>
> tsc-hv01:/tmp # /tmp/o2cb list-nodes --oneline storage
>
> node: 1 tsc-hv01 10.251.2.11:7777 storage
>
> node: 2 tsc-hv02 10.251.2.12:7777 storage
>
> node: 0 tsc-hv03 10.251.2.13:7777 storage
>
>
>
> tsc-hv01:/tmp # o2cb add-node storage tsc-hv04 --ip 10.251.2.14
>
> tsc-hv01:/tmp # /tmp/o2cb list-nodes --oneline storage
>
> node: 1 tsc-hv01 10.251.2.11:7777 storage
>
> node: 2 tsc-hv02 10.251.2.12:7777 storage
>
> node: 0 tsc-hv03 10.251.2.13:7777 storage
>
> node: 3 tsc-hv04 10.251.2.14:7777 storage
>
>
>
>
>
> # cat /etc/ocfs2/cluster.conf
>
> cluster:
>
> heartbeat_mode = global
>
> node_count = 4
>
> name = storage
>
>
>
> node:
>
> number = 1
>
> cluster = storage
>
> ip_port = 7777
>
> ip_address = 10.251.2.11
>
> name = tsc-hv01
>
>
>
> node:
>
> number = 2
>
> cluster = storage
>
> ip_port = 7777
>
> ip_address = 10.251.2.12
>
> name = tsc-hv02
>
>
>
> node:
>
> number = 0
>
> cluster = storage
>
> ip_port = 7777
>
> ip_address = 10.251.2.13
>
> name = tsc-hv03
>
>
>
> node:
>
> number = 3
>
> cluster = storage
>
> ip_port = 7777
>
> ip_address = 10.251.2.14
>
> name = tsc-hv04
>
>
>
>
>
> but
>
>
>
>
>
> tsc-hv01:/tmp # /sbin/o2cb add-node storage tsc-hv05 --ip 10.251.2.15
>
> tsc-hv01:/tmp # cat /etc/ocfs2/cluster.conf
>
> cluster:
>
> heartbeat_mode = global
>
> node_count = 5
>
> name = storage
>
>
>
> node:
>
> number = 1
>
> cluster = storage
>
> ip_port = 7777
>
> ip_address = 10.251.2.11
>
> name = tsc-hv01
>
>
>
>
>
>
>
> --
>
> Best regards,
>
> Eugene Istomin
>
> Senior System Administrator
>
> EDS Systems
>
> E.Istomin at edss.ee
>
> Work: +372-640-96-01
>
>
>
>
>
>
> On Thursday 14 March 2013 23:33:58 Eugene Istomin wrote:
>
> Thanks for the answer,
>
>
>
>
>
> # /sbin/o2cb -V
>
> o2cb.old 1.8.2
>
>
>
> # /sbin/o2cb list-nodes --oneline storage
>
> node: 1 tsc-hv01 10.251.2.11:7777 storage
>
>
>
>
>
> but
>
>
>
>
>
> #/tmp/o2cb -V
>
> o2cb 1.8.0
>
>
>
> # /tmp/o2cb list-nodes --oneline storage
>
> node: 1 tsc-hv01 10.251.2.11:7777 storage
>
> node: 2 tsc-hv02 10.251.2.12:7777 storage
>
>
>
>
>
> --
>
> Best regards,
>
> Eugene Istomin
>
> Senior System Administrator
>
> EDS Systems
>
> E.Istomin at edss.ee
>
> Work: +372-640-96-01
>
>
>
>
>
>
> On Thursday 14 March 2013 14:20:53 Sunil Mushran wrote:
>
> strace is hard to read.
>
> list-nodes --online prints the nodes that have been registered. If a node
> shows fewer than in the config file, then the cluster needs to be
> (re)registered on that node.
>
>
>
> On Thu, Mar 14, 2013 at 12:21 PM, Eugene Istomin <E.Istomin at edss.ee>
> wrote:
>
> Hello Sunil,
>
>
>
> we have critical issue in o2cb part of ocfs2 1.8.2 - getting list of node
> or adding node does not affect to ocfs2.conf.
>
>
>
> We have this issue on 3 different linuxes (kernel 3.2 - 3.8) so i thik
> this might be a sort of general o2cb problems.
>
>
>
>
>
> #####
>
>
>
> Here is some debug info
>
>
>
> # cat /etc/ocfs2/cluster.conf
>
> cluster:
>
> heartbeat_mode = global
>
> node_count = 2
>
> name = storage
>
>
>
> node:
>
> number = 1
>
> cluster = storage
>
> ip_port = 7777
>
> ip_address = 10.251.2.11
>
> name = tsc-hv01
>
>
>
> node:
>
> number = 2
>
> cluster = storage
>
> ip_port = 7777
>
> ip_address = 10.251.2.12
>
> name = tsc-hv02
>
>
>
>
>
>
>
> In ocfs2 1.8.0 (return 2 nodes):
>
> # strace -s 2048 ./o2cb list-nodes --oneline storage
>
>
>
>
>
> stat("/etc/ocfs2/cluster.conf", {st_mode=S_IFREG|0644, st_size=261, ...})
> = 0
>
> open("/etc/ocfs2/cluster.conf", O_RDONLY) = 3
>
> read(3, "cluster:\n\theartbeat_mode = global\n\tnode_count = 2\n\tname =
> storage\n\nnode:\n\tnumber = 1\n\tcluster = storage\n\tip_port =
> 7777\n\tip_address = 10.251.2.11\n\tname = tsc-hv01\n\nnode:\n\tnumber =
> 2\n\tcluster = storage\n\tip_port = 7777\n\tip_address =
> 10.251.2.12\n\tname = tsc-hv02\n\n", 4000) = 261
>
> read(3, "", 4000) = 0
>
> close(3) = 0
>
> write(1, "node: 1 tsc-hv01 10.251.2.11:7777 storage\n", 42node: 1
> tsc-hv01 10.251.2.11:7777 storage
>
> ) = 42
>
> write(1, "node: 2 tsc-hv02 10.251.2.12:7777 storage\n", 42node: 2
> tsc-hv02 10.251.2.12:7777 storage
>
> ) = 42
>
> exit_group(0) = ?
>
>
>
>
>
>
>
> In ocfs2 1.8.2 (return 1 node but config have 2 nodes ):
>
> #strace -s 2048 /sbin/o2cb list-nodes --oneline storage
>
>
>
> stat("/etc/ocfs2/cluster.conf", {st_mode=S_IFREG|0644, st_size=261, ...})
> = 0
>
> open("/etc/ocfs2/cluster.conf", O_RDONLY) = 3
>
> read(3, "cluster:\n\theartbeat_mode = global\n\tnode_count = 2\n\tname =
> storage\n\nnode:\n\tnumber = 1\n\tcluster = storage\n\tip_port =
> 7777\n\tip_address = 10.251.2.11\n\tname = tsc-hv01\n\nnode:\n\tnumber =
> 2\n\tcluster = storage\n\tip_port = 7777\n\tip_address =
> 10.251.2.12\n\tname = tsc-hv02\n\n", 4000) = 261
>
> read(3, "", 4000) = 0
>
> close(3) = 0
>
> write(1, "node: 1 tsc-hv01 10.251.2.11:7777 storage\n", 42node: 1
> tsc-hv01 10.251.2.11:7777 storage
>
> ) = 42
>
> exit_group(0) = ?
>
>
>
>
>
>
>
>
>
> I can mail you any info you need, please help to resolve this issue.
>
> --
>
> Best regards,
>
> Eugene Istomin
>
> Senior System Administrator
>
> EDS Systems
>
> E.Istomin at edss.ee
>
> Work: +372-640-96-01
>
>
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>
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>
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