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тАО06-08-2009 10:09 PM
тАО06-08-2009 10:09 PM
continuous access on eva query
o Is there a process to remove the existing CA Data Replication configuration in the event of an EVA Failure so a new configuration can be applied?
o Is there a process to delete a VDisk that is a member of a CA Data Replication group when the connection is suspended?
regards,
krs
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тАО06-09-2009 03:43 PM
тАО06-09-2009 03:43 PM
Re: continuous access on eva query
You can delete the replication group provided it is not suspended. I have had a case where nothing would allow me to do this and HP eventually modified CV to allow me to delete the replication group.
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тАО06-09-2009 05:27 PM
тАО06-09-2009 05:27 PM
Re: continuous access on eva query
You should be able to put a limit on the log size via the DR group "log" tab
>>o Is there a process to remove the existing CA Data Replication configuration in the event of an EVA Failure so a new configuration can be applied?
If the far side failed, you should just be able to delete the DR group (the local disks will always remain there) and that will do it.
>>o Is there a process to delete a VDisk that is a member of a CA Data Replication group when the connection is suspended?
Have not tried it, but I would think that deleting the DR group would do it.
Of course, if you delete the DR group, or the logs fill us, to restart replication you will have to do a full copy on each vdisk.
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тАО06-09-2009 06:32 PM
тАО06-09-2009 06:32 PM
Re: continuous access on eva query
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тАО06-10-2009 12:56 AM
тАО06-10-2009 12:56 AM
Re: continuous access on eva query
The alternative is to use the smallest log disk possible (136 Mb, 1,624 MB or 5 GB depending on the EVA model and firmware) and let it fill. Then it will stop logging, delete the log disk and mark the source vdisk for a full copy.
But this will copy a lot more data than just the changes. The replication link will be more saturated and the host access will be slow down (since one host I/O is performed for each 2 copy I/Os).