Was this done from a MarkLogic database backup (that is what my assumption 
was)?  Is it just that forest that is having trouble mounting?  How big is this 
backup (size and number of forests)?  Are you restoring into the exact same 
topology as you backed up from (that is what restore expects)?

-Danny

From: Gene Thomas [mailto:[email protected]]
Sent: Friday, March 28, 2014 2:16 PM
To: Danny Sokolsky; MarkLogic Developer Discussion
Subject: Re: [MarkLogic Dev General] ML 4.2 backup restore to ML 7.x

Thank you Danny,

That is what I am trying to do.

Here is the text of an email I sent internally about it.

We have an NAS mount connected to both clusters.  On the ML 4.2 side it is 
read/write.
On the ML 7.x side it is mounted read only.

I have not been able to complete a restore from that location either by 
database restore or forest restore.
The access to the /Marklogic_temp/ mount may need to be read write.  When the 
actual restore process gets to 00:00:00 estimated time left, it just sits there 
with the forest state saying “recovering”

I see this message in the logs at that point:
Mar 28 16:01:02  MarkLogic: Missing journal file 
/mldata02/RestoredForests/dodge-daily-forest01/Journals/Journal1-19700101000000-0-0-0

I have waited 30 minutes past the time it said it had finished copying data and 
still no completion of the restore.

Any help would be appreciated as we are supposed to perform the actual process 
from ML 4.2 QA to ML 7.x QA over the weekend.

Gene

________________________________
From: Danny Sokolsky <[email protected]>
To: Gene Thomas <[email protected]>; MarkLogic Developer Discussion 
<[email protected]>
Sent: Friday, March 28, 2014 2:02 PM
Subject: RE: [MarkLogic Dev General] ML 4.2 backup restore to ML 7.x

I can’t say that I have done this, but I would expect it to work.  I would 
expect that, as soon as it mounted the db in 7, that it would start reindexing 
(if reindexing is enabled).

I would test it first, but I think it will work.

-Danny

From: [email protected] 
[mailto:[email protected]] On Behalf Of Gene Thomas
Sent: Friday, March 28, 2014 1:59 PM
To: [email protected]
Subject: [MarkLogic Dev General] ML 4.2 backup restore to ML 7.x

Has anyone successfully backed up a database on ML 4.2-7 and restored it in a 
new environment with a fresh ML 7.0-2.1 install?

Gene

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