[Lustre-discuss] 答复: Interoperable issues between 1.8.6 and 2.1

[Jason Brooks]

Hello Dylan,

Thank you very much for your reply!  This gives me a good idea how to proceed.

--jason

On Aug 22, 2012, at 8:27 PM, dylan wrote:

> I got it in the Chapter 16 of "lustre_manual-2.x.pdf". I had tested the
> different configuration.
> as follows:
> OSS/OST        MGS/MDT          Client       Status
> lustre-2.1.2     lustre-2.1.2        lustre-1.8.5      OK
> 2.1.2             1.8.5             1.8.5         OK
> 2.1.2             1.8.5             2.1.2         NO
> 1.8.5             2.1.2             1.8.5         OK
> 1.8.5             2.1.2             2.1.2         OK 
> -----邮件原件-----
> 发件人: lustre-discuss-bounces at lists.lustre.org
> [mailto:lustre-discuss-bounces at lists.lustre.org] 代表 Ken Hornstein
> 发送时间: 2012年8月23日 9:00
> 收件人: Jason Brooks
> 抄送: lustre-discuss at lists.lustre.org
> 主题: Re: [Lustre-discuss] Interoperable issues between 1.8.6 and 2.1
> 
>> I am not finding where it says explicitly that a lustre client running
>> 1.8 will successfully be able to read and write to a set of lustre 
>> servers running lustre 2.1. are there any known issues?
> 
> I forget where that was written down; I can report that it works fine.
> WITH THE EXCEPTION of ia64 1.8-based clients; that totally doesn't work.
> 
>> Are there any known issues upgrading the oss/ost and mds/mdt systems 
>> from 1.8 to 2.1?  There's already > 16 terabytes in place...
> 
> Nope, it was basically umount->upgrade->mount for us.
> 
> --Ken
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