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Date: Fri, 2 Nov 2012 00:19:39 -0700 (PDT)
From: Justin Meltzer <jus...@airtimehq.com>
To: mongodb-user@googlegroups.com
Message-Id: <cee07135-90fb-4e4d-aced-6ca21a256b6a@googlegroups.com>
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Subject: Re: Can I delete old journaling files?
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Also I did not have any sort of database crash. I cleanly shutdown my 
database.

Plus I'd be curious to learn what these prealloc.X files are for.

On Friday, November 2, 2012 3:15:36 AM UTC-4, Justin Meltzer wrote:
>
> First off, I'm fairly new to mongodb and journaling so I do not fully 
> understand exactly how journaling works.
>
> I'm trying to change the dbpath after having already used a previously 
> different dbpath. I followed the ec2 quickstart guide here: 
> http://www.mongodb.org/display/DOCS/Amazon+EC2+Quickstart#AmazonEC2Quickstart-Prerequisitesand am now copying over my data to a filesystem that is backed by RAID 10. 
> Copying over my regular database files worked fine, but the prealloc.X 
> files in the journal directory are completely filling up the /journal 
> partition. Is it ok to delete these files, and will journaling still work 
> if I do?
>

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Also I did not have any sort of database crash. I cleanly shutdown my datab=
ase.<div><br></div><div>Plus I'd be curious to learn what these prealloc.X =
files are for.<br><br>On Friday, November 2, 2012 3:15:36 AM UTC-4, Justin =
Meltzer wrote:<blockquote class=3D"gmail_quote" style=3D"margin: 0;margin-l=
eft: 0.8ex;border-left: 1px #ccc solid;padding-left: 1ex;">First off, I'm f=
airly new to mongodb and journaling so I do not fully understand exactly ho=
w journaling works.<div><br></div><div>I'm trying to change the dbpath afte=
r having already used a previously different dbpath. I followed the ec2 qui=
ckstart guide here:&nbsp;<a href=3D"http://www.mongodb.org/display/DOCS/Ama=
zon+EC2+Quickstart#AmazonEC2Quickstart-Prerequisites" target=3D"_blank">htt=
p://www.mongodb.org/<wbr>display/DOCS/Amazon+EC2+<wbr>Quickstart#<wbr>Amazo=
nEC2Quickstart-<wbr>Prerequisites</a> and am now copying over my data to a =
filesystem that is backed by RAID 10. Copying over my regular database file=
s worked fine, but the prealloc.X files in the journal directory are comple=
tely filling up the /journal partition. Is it ok to delete these files, and=
 will journaling still work if I do?</div></blockquote></div>
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