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Member "arla-0.43/appl/udebug/udebug.1" of archive arla-0.43.tar.gz:

UDEBUG

Section: User Commands (1)
Index

BSD mandoc
The Arla Project

NAME

udebug - a tool to diagnose synchronization problems with ubik-database servers.

SYNOPSIS

[-servers servers ... ] [-port port ] [-long ]

DESCRIPTION

Supported options:

-servers servers ...: A list of server to probe.
-port port: The port number of where the server resides.
-long: Verbose information.

DIAGNOSTICS

is used to diagnose synchronization problems with ubik-servers.

Ubik is quorum-complete protocol. Servers vote on each other to elect a sync-site. The sync-site have the ability to synchronize a two-phase write with the other servers if at least half of them is available.

EXAMPLES

datan# udebug -servers anden.e.kth.se -port 7003
Host 130.237.48.7 time is Mon Aug  7 13:46:24 2000
Localtime is Mon Aug  7 13:46:43 2000, differ 19 seconds
Last yes vote for 130.237.48.7 secs was 8 ago (at Mon Aug  7 13:46:16 2000)
Last vote started 8 secs ago (at Mon Aug  7 13:46:16 2000)
Local db version is 965530500.199
Syncsite db version is 965530500.199
0 locked pages, 0 of them for write
I'm the synchost for 49 seconds more (Mon Aug  7 13:47:13 2000)
Recover state is 0x1f
Last time a new db version was laballed was:
                118284 secs ago (at Sun Aug  6 04:55:00 2000)

Server 130.237.48.244: (db 965530500.199)
        last vote recived 8 secs ago (at Mon Aug  7 13:46:16 2000)
        last beacon sent 8 secs ago (at Mon Aug  7 13:46:16 2000)
        dbcurrent=1, up=1, beaconSince=1

Server 130.237.48.8: (db 965530500.199)
        last vote recived 11 secs ago (at Mon Aug  7 13:46:13 2000)
        last beacon sent 8 secs ago (at Mon Aug  7 13:46:16 2000)
        dbcurrent=1, up=1, beaconSince=1