zfs v28 solaris compatibility

2013-02-07 Thread Eugene M. Zheganin
Hi.

Is the FreeBSD v28 zfs fully compatible with solaris zfs ? I need to
switch disks between servers, these disks are SAN disks, and it's about
20T of data. I don't want to lose them. I am aware that our zfs is
compatible with Solaris, but I just want to be sure, like really really
sure. Of course I can switch back at any moment, but only if the data
won't become corrupted.

Thanks.
Eugene.
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Re: zfs v28 solaris compatibility

2013-02-07 Thread Volodymyr Kostyrko

07.02.2013 14:16, Eugene M. Zheganin:

Hi.

Is the FreeBSD v28 zfs fully compatible with solaris zfs ? I need to
switch disks between servers, these disks are SAN disks, and it's about
20T of data. I don't want to lose them. I am aware that our zfs is
compatible with Solaris, but I just want to be sure, like really really
sure. Of course I can switch back at any moment, but only if the data
won't become corrupted.


I think one simple way to test that is to create a replication stream 
for some filesystem with `zfs send` on first machine and check whether 
this stream is received correctly on the second machine.


I'm mostly sure that you wouldn't lose your data, however Solaris is 
staying with ZFS v28 since the last release and FreeBSD is progressing 
slowly with Illumos. I'm pretty sure that 9-STABLE is already using ZFS 
feats and any pool created with current STABLE would not become writable 
for Solaris.


--
Sphinx of black quartz, judge my vow.
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Re: zfs v28 solaris compatibility

2013-02-07 Thread Freddie Cash
If the pool is created as v28 in FreeBSD, then you will be able to import
the pool into Solaris 10 or 11 without any issues.

Just be sure to ignore all the your pool is outdated messages, and do
*NOT* upgrade your pool to ZFSv32 in Solaris.  If you do that, you will not
be able to import the pool in FreeBSD again.


On Thu, Feb 7, 2013 at 4:16 AM, Eugene M. Zheganin e...@norma.perm.ruwrote:

 Hi.

 Is the FreeBSD v28 zfs fully compatible with solaris zfs ? I need to
 switch disks between servers, these disks are SAN disks, and it's about
 20T of data. I don't want to lose them. I am aware that our zfs is
 compatible with Solaris, but I just want to be sure, like really really
 sure. Of course I can switch back at any moment, but only if the data
 won't become corrupted.

 Thanks.
 Eugene.
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-- 
Freddie Cash
fjwc...@gmail.com
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