On 06/05/2011, at 10:26 PM, Hans J. Albertsson wrote:

> Rather, question is how to deal with the 4kB block size!
> Choice of disks: Will 4kB Blocksize  Seagate Barracuda Green ST2000DL003 64MB 
> 2TB work OK in OI148??

I have one of these drives in my system, mirrored against a 512b sector Samsung 
drive.

The drive reports to the system that it has 512 byte sectors (it's emulated) 
and works just fine.

As far as I understand, the modified zpool with ashift=12 will make it work 
better. For a new pool, i'd go that way. Note that ashift=12 isn't supported 
for boot pools, but neither is concatenated volumes either.

So if you make a smaller partition for the system, formatted with defatul 
ashift=9 and the the bigger data pool with ashift=12 you should be in good 
shape.

Best,
Matt


> 
> On 2011-05-06 08:34, Hans J. Albertsson wrote:
>> Or are there any gotchas?
>> 
>> I intend to put 4 identical ones, as mirrored pairs in ZFS.
>> 
>> It's on a SuperMicro XB7Si motherboard, the 4 onboard SATA connectors
>> left after the system rpool's 2 500GB Seagate Barracuda.
>> 
>> These will serve up media files as an SMB/Cifs share (iSCSI??) for
>> various media players
> 
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