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How can I replicate volume larger than 16TB?
Problem: I want to replicate volumes larger than 16TB. Is there any possibility to avoid this limitation? Solution: There is a patch but there is a risk that the bigger the volume is the harder it may be to repair file system in case of corruption etc. Also all our tests and certifications...
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31 Jan, 2013
Views: 1615
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Hardware failure, RAID rebuilds, and Data/Volume Replication
Hardware failure can be a show stopper for any shop without proper backups, and hardware reserves. It can be very costly to send hard drives for data recovery. Even with a proper backup plan in place, failures can happen. To mitigate some of the headache, and expense in drive recovery, and...
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06 May, 2011
Views: 2805
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How to recreate volume replication meta-data
Problem: I had modified my tasks and now would like to recreate the volume replication meta-data task. How this can be accomplished? Solution: In order to recreate the Volume Replication meta-data, access the GUI in the CONFIGURATION -> Volume Manager -> Vol. Replication ->...
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06 Jul, 2010
Views: 3805
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Description of Connections Status in relation to Replications
Discription of Connections in relation to Replications: Failed. Transient state following an I/O failure report by the local block device. Next state: Diskless. Inconsistent. The data is inconsistent. This status occurs immediately upon creation of a new resource, on both...
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29 Jul, 2009
Views: 3793
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Why Open-E request to specify bandwidth value for volume replication?
Problem: Can you shed some light why we need to specify the bandwidth when create a volume replication task and what is the recommended value for the SyncSource bandwidth. Solution: The bandwidth need to be specified because the daemon works with very high priority. So, in some...
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26 Feb, 2009
Views: 5110
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How does Volume Replication work?
Volume replication is very similar to RAID 1. The first stage involves rebuilding the destination as a copy of the source volume. The next stage is a continuous online modification of the destination volume to preserve the mirror copy. The difference between this process...
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22 Oct, 2008
Views: 5225
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When using volume replication, will a file deleted on the source volume also be deleted from the destination volume?
Yes, the file would in this situation also be deleted on the destination volume.
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18 Sep, 2008
Views: 2472
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What to do when one of the servers involved in volume replication needs to change its IP?
Example application: There are two SANs using replication; one of them needs to be moved to a different location so that it synchronizes over the WAN, which means its IP will change. Solution: Stop your replication task by clicking on the stop button in...
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18 Sep, 2008
Views: 2587
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Is the destination volume available during replication?
Data replication: In data replication, the destination share is available all the time - however, it should be used only for backup purposes because if you change some files, they will be replaced during the next synchronization. Volume replication: In volume replication, the volume will...
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18 Sep, 2008
Views: 4666
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Is it possible to perform volume replication between different versions of Open-E software?
As concerns volume replication, you need to make sure that the DRBD daemon version is the same on both Open-E machines (you can check this by downloading the system logs and examining the file drbd.log). If the version is the same, it should work.
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18 Sep, 2008
Views: 2913
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