[Ocfs2-devel] OCFS2 support which architectures and can the cluster work under mixed architectures?

[Joseph Qi]

On 2015/8/6 13:26, Junxiao Bi wrote:
> Hi Gang,
> 
> On 08/06/2015 11:03 AM, Gang He wrote:
>> Hello guys,
>>
>> >From the document(https://oss.oracle.com/projects/ocfs2/), it says that OCFS2 supports x86, x86_64, ia64 and ppc64. I am not sure that this doc is up-to-date, now, OCFS2 supports any other architecture? e.g. s390x?
>> The second question, since OCFS2 is a cluster FS and support multiple architectures, can a OCFS2 cluster work under a mixed architectures environment? e.g. some nodes are x86, some nodes are ppc64.
> I think ocfs2 works good on le endian, but maybe not on big endian
> though i never test it. From the source code, kernel seemed be prepared
> for big endian, but for tools, maybe not, i found lot of codes reading
> stuff from disk to memory without conversion in fsck.ocfs2. I am not
> sure about other tools, so may need do a full check.
> 
Junxiao is right. Most tools are not taking care the endian conversion.
They just treat them as little endian which fits x86.
Maybe we have to do some changes for this.

Thanks,
Joseph
> Thanks,
> Junxiao.
>>
>>
>> Thanks a lot.
>> Gang 
>>
>>
>>
>>
>> _______________________________________________
>> Ocfs2-devel mailing list
>> Ocfs2-devel at oss.oracle.com
>> https://oss.oracle.com/mailman/listinfo/ocfs2-devel
>>
> 
> 
> _______________________________________________
> Ocfs2-devel mailing list
> Ocfs2-devel at oss.oracle.com
> https://oss.oracle.com/mailman/listinfo/ocfs2-devel
> 
>