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I haven't experimented with any cross-platform stuff on ZFS myself, but I believe it should work in theory. Probably worth posting the issue on "zfs discuss" as you will find more ZFS experts there plus Solaris people.

You can get rid of the long gptid's by setting kern.geom.label.gptid.enable=0 in /boot/loader.conf, although it would seem to me this is a work around for a ZFS issue. This, I don't know what this relates to... Andy.

I think NFSv4 style ACLs are fundamental to ZFS, so there's no question of Solaris having this and FreeBSD not. Regarding changing from CURRENT, 8.2 is the current RELEASE which doesn't have ZFS v28 (you can add it via a patch though). The other alternative which I think SirDice was suggesting...

Ok, so the output of zpool upgrade is wrong, but when ZFS starts at boot its showing v28. Definately something amiss with your installation, I'd suggest a make world is probably necessary, think this is the relevant info: http://www.freebsd.org/doc/handbook/makeworld.html

Thanks, still just seems to say its automagic. Well if it really works its great! And would beg the question why all 4k drive manufacturers haven't used something similar, would have saved a lot of problems!!

Anyone any idea what SmartAlign actually does? The two PDFs I pulled off the seagate site don't really explain anything, other than its automagic! http://www.seagate.com/docs/pdf/whitepaper/mb604_4k_transition_faq.pdf cheers Andy.

That looks like your system is only running pool version 15, odd as the pool itself is reporting 28. What is the output from: grep -i zfs /var/run/dmesg.boot Andy.

Can you show your steps used to test gpart GPT labels? The steps in the very first post are bad so hopefully you have tried again with corrected steps?

Personally I'd use GPT and GPT labels, it's the new cross platform standard so why not use it? I know lots of people use glabel but I don't like it, from what I understand it writes data to the end of the disk, which FreeBSD magically won't overwrite however if you glabel a disk with existing...

In theory a scrub should be able to confirm whether corruption has occured. I've read that ZFS creates some kind of GPT partition if asked to use whole disk, although on FreeBSD you can't tell via gpart show adx, but if true then gpart create may not be corrupting the actual data, and glabel...

Hi, Looks to me like your RAIDZ2 vdev is using whole disks, and then you are trying to use glabel or gpart to add a label to the physical disks. AFAIK both of these will write data to the disk (gpart the first 34 blocks and glabel the last block or something like that) and as such you are...

Yeah you will need ksh, just having a little look at the handbook where it states: In case you didn't know dtrace support isn't in the default GENERIC kernel, so if you didn't already you will have to recompile with the relevant dtrace options enabled. Shame it's not in by default IMO, maybe...

Hi, I think rwsnoop should do what you want, should be included in the DTraceToolkit port: http://www.freshports.org/sysutils/DTraceToolkit/ Not tried it though, feel free to report back to enlighten me and anyone else reading ;) cheers Andy.

Hi, /dev/zero will give unrealistic results if you are using compression. Also try not running the write and read back to back as ZFS will continue writing data to disk after write operations return complete. I.e.: dd if=/dev/zero of=foo bs=2M count=1000 ; sleep 30 ; dd if=foo of=/dev/null...

The main reason not to choose RAIDZ1 is with very large disks (2TB etc) in the event of a disk failure the RAID set can take over 24 hours to rebuild which leaves all the data in your pool vulnerable to a second disk failure. It's obviously not veryyy likely to have 2 disks fail within a day or...

Ah ok, in this case this option is not configured in maudib's dovecot config, so he won't have to worry about that, assuming it isn't a security requirement for him. cheers Andy.

Kpa, are you referring to the fact the client will want to verify the certificate of the server? The client isn't actually required to send a key, just to verify that the server is who it says it is (via a CA certificate for example). Or are you talking about some kind of private key...

Hi, where did you read that? Normally for IMAP you will authenticate with a password so I think you are worrying yourself over nothing. What is your main concern? That your connection is secure? If you are connecting to the IMAPS port then all passwords and data will be encrypted, which is the...

You could try disabling AHCI and running a scrub to help zero in on the issue...

Hi, you can stop a scrub with: zpool scrub -s poolname WRT to the problem, I doubt its a case of the disks not handling it because they are 5400rpm or consumer grade. I'd guess its most likely a hardware issue or some issue with the AHCI driver and your specific controller. Have you...