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March 2nd, 2014 10:00

Clariion CX4-120 Mirrorview Replication logs

Hi All,

We configured Mirrorview/A between two sites. Both source and destination arrays are Clariion CX4-120. Now, my management team wants replication logs every month. Where i can generate mirrorview replication logs from unisphere window? I have gone through SP event logs but it contains all storage events.Is there any tool available to generate mirrorview replication logs only? and also let me know if any NaviCli/ NaviSecCli commands to achieve this.

4 Operator

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4K Posts

March 2nd, 2014 17:00

According to KB emc149252 "Logging MirrorView/Asynchronous (MV/A) operations for audit purposes"

The naviseccli or navicli.jar mirror -async -list command with a -timestamp option gives the date and time stamp when the mirror's last update started.  The time stamp information is saved only until the next update. For logging, you will  have to save the output to a file. The same command  with the -faulted option will tell whether the remote mirror is faulted. Also, the mirror -async -info command displays other general information on asynchronous mirrors. EMC MirrorView/Asynchronous Command Line Interface  Reference (P/N 300-001-335) on http://support.emc.com describes how to use these and other commands.

MV/A itself does not report the amount of data updated. If you have a SAN Copy license, you can use the sancopy -info -reserved command to look at the reserved SAN Copy session associated with the mirror. This command has a "blocks to be transferred" field. If using the manual update option, you could run this run this before triggering an update.   

Navisphere Analyzer offers some insight into the amount of data being transferred and whether MirrorView is keeping up. Analyzer has a data log metric for MV/A. Since the log is affected by the ongoing write activity, it is a better metric for determining whether MV/A is keeping up over longer periods of time, rather than determining the amount of data transferred on each update. The smaller the update interval, the more important this metric is instead of knowing the exact transfer counts of each update.

2 Intern

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174 Posts

March 3rd, 2014 03:00

Hi Roger,

I ran 'sancopy -info -reserved' but it shows only current mirror session.But, i need all the logs for a month pertaining to this mirror.

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