zfs discuss - Oct 2010 - Getting rid of RAID6 LUNs in a pool

Hi,

my current pool looks like this:

config:

         NAME                     STATE     READ WRITE CKSUM
         obelixData               ONLINE       0     0     0
           c4t210000D023038FA8d0  ONLINE       0     0     0
           c4t210000D02305FF42d0  ONLINE       0     0     0

where c4t210000D023038FA8d0 (6TB) and c4t210000D02305FF42d0 (12TB)  are 
the RAID6 LUNs that are presented by my two raid boxes. Now, I want to 
get them out of the pool and have mirrors of disks that I will also get 
via FC.

I need to be able to use zfs send -i from these file systems and I was 
wondering, if I would zfs send/receive the whole parent zfs onto a new 
pool, would I still be able to continue my incremental zfs sends from 
the new pool? I guess not since the new pool will have another UUID and 
zfs send will detect that, won''t it?

I think the issue is, that I don''t have any appropriate vdevs at hand
to
"upgrade" the two existing vdevs to mirrors, so I could pull out the 
RAID6 LUNS. Does anyone know another approach?.

Cheers,
budy

-- 
Stephan Budach
Jung von Matt/it-services GmbH
Glash?ttenstra?e 79
20357 Hamburg

Tel: +49 40-4321-1353
Fax: +49 40-4321-1114
E-Mail: stephan.budach at jvm.de
Internet: http://www.jvm.com

Gesch?ftsf?hrer: Ulrich Pallas, Frank Wilhelm
AG HH HRB 98380

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Opps... answering myself here... ;)

Am 21.10.10 14:08, schrieb Stephan Budach:
> Hi,
>
> my current pool looks like this:
>
> config:
>
>         NAME                     STATE     READ WRITE CKSUM
>         obelixData               ONLINE       0     0     0
>           c4t210000D023038FA8d0  ONLINE       0     0     0
>           c4t210000D02305FF42d0  ONLINE       0     0     0
>
> where c4t210000D023038FA8d0 (6TB) and c4t210000D02305FF42d0 (12TB)  
> are the RAID6 LUNs that are presented by my two raid boxes. Now, I 
> want to get them out of the pool and have mirrors of disks that I will 
> also get via FC.
>
> I need to be able to use zfs send -i from these file systems and I was 
> wondering, if I would zfs send/receive the whole parent zfs onto a new 
> pool, would I still be able to
easy like cake! It just works the way, I had thought it wouldn''t. This 
is really great stuff.

Now off, ordering some new hardware...

Cheers,
budy

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