[Linux-cluster] GFS 2Tb limit

Mike Fedyk mfedyk at matchmail.com
Wed Sep 1 21:23:20 UTC 2004


William Lee Irwin III wrote:

>Stephen Willey wrote:
>  
>
>>>There was a post a while back asking about 2Tb limits and the 
>>>consensus was that with 2.6 you should be able to exceed the 2Tb limit 
>>>with GFS.  I've been trying several ways to get GFS working including 
>>>using software raidtabs and LVM (seperately :) ) and everytime I try 
>>>to use mkfs.gfs on a block device larger than 2Tb I get the following:
>>>Command: mkfs.gfs -p lock_dlm -t cluster1:gfs1 -j 8 /dev/md0
>>>Result: mkfs.gfs: can't determine size of /dev/md0: File too large
>>>      
>>>
>
>On Wed, Sep 01, 2004 at 01:45:05PM -0700, Mike Fedyk wrote:
>  
>
>>Doesn't MD have trouble with SW RAID arrays larger than 2TB?
>>    
>>
>
>If it does, then it needs to be made 64-bit sector_t clean.
>
ISTR a thread from a few months back saying that both MD and DM have 
some code that isn't.




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