[nycbug-talk] OpenBSD large filesystem experiences?

Isaac Levy isaac at diversaform.com
Tue May 19 17:49:49 EDT 2009


Word,

On May 19, 2009, at 4:53 PM, Pete Wright wrote:

>> I hate to say it but zfs is your only choice in the 1TB size , and  
>> its freebsd or solaris on whole disks not partitions is the only  
>> option .
>
> ermm...UFS on FreeBSD supports file systems larger than 1TB.   
> Although background fsck's will take a fiscal month to complete...

I believe Mark must have meant 'sanely' supports.  :P

>
> thus said the manual:
> The UFS2 filesystem was introduced in 2003 as a replacement to the  
> original UFS and provides 64 bit counters and offsets. This allows  
> for files and filesystems to grow to 2^73 bytes (2^64 * 512) in size  
> and hopefully be sufficient for quite a long time. UFS2 largely  
> solved the storage size limits imposed by the filesystem.  
> Unfortunately, many tools and storage mechanisms still use or assume  
> 32 bit values, often keeping FreeBSD limited to 2TB.
>
>
> I'm not sure if obsd has merged the changes kirk et. al. made to the  
> new UFS or not so ymmv.

Yes- UFS2 since version 4.2, I believe.

/salute

Best,
.ike





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