Hi Randy,
After reading this list for some time now I am excited to respond with first hand information we had going through a similar transition.
This was for CIFS not block but we used the transition tool extensively to automate the tasks of migrating volumes to a new CDOT filer (albeit 8.2.3 CDOT not 8.3). We liked the transition tool very much it made managing the migration very easy.
This also has ramifications for migrating to 64-bit aggregates. We had several volumes that were 32-bit volumes/aggregates that we also transitioned with the tool. The tool sets up snapmirror relationships between the source and new filer and they must keep the volume as 32bit. After the final cutover for any volume we migrated the volume then went through a background conversion to 64-bit. I could not find this documented anywhere in the transition tool documentation (though I might have just missed it) but this process happened on several volumes without any issues at all.
Stephen Watt IS Infrastructure Manager Hyland Software
http://www.hyland.com Connect with us: http://blog.hyland.com ________________________________________ From: toasters-bounces@teaparty.net toasters-bounces@teaparty.net on behalf of Rue, Randy rrue@fredhutch.org Sent: Monday, May 11, 2015 6:30 PM To: 'toasters@teaparty.net' Subject: questions about converting 32 bit aggrs and the 7-Mode Transition Tool
Hello All,
We're replacing our v3170 with new gear (two clusters) and making the leap from 8.1.3 in 7-mode to 8.3 CDOT.
I have a couple of questions around migrating our vFilers to the new cluster.
Converting 32-bit aggrs: I see several places in NetApp's documentation saying the only way to convert in 8.1.3 is to expand the aggr to more than 16TB and it will happen automatically. I see references online to CLI commands that will set this off without needing to cross the 16TB line, and other references saying this is not recommended by NetApp or is even unsupported. And yet I have a co-worker here who converted a vFiler here when it outgrew 32-bit and swears a) expanding to 16TB did not spark the conversion and b) the CLI tool worked just fine.
What is the official way to convert 32 bit to 64 bit?
Second: how widely used is the 7-Mode Transition Tool? Got a candid opinion on how likely it is to be a better option than copying volumes by hand?
Hope to hear from you,
Randy
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