Date: Tue, 5 Apr 2011 09:22:35 +0100 From: krad <kraduk@gmail.com> To: jhell <jhell@dataix.net> Cc: freebsd-fs@freebsd.org, Daryl Richards <daryl@isletech.net> Subject: Re: ZFS failed after hard power off Message-ID: <BANLkTinagH98gA3UCAzFJRrBuD1BGCxF3A@mail.gmail.com> In-Reply-To: <20110404185930.GA96734@DataIX.net> References: <AANLkTi=Ohyq5XVyhUkxfoiJL8%2B37HxC%2Bw3SpN-S-Ad3k@mail.gmail.com> <20110401013603.GA31034@icarus.home.lan> <84DF4838-CE43-430E-8C3A-4CC7881E44BD@gmail.com> <AANLkTi=8jrD%2BY0A%2BwStQubtC9vjiBxtK_T-0LCicOwax@mail.gmail.com> <AANLkTim-fayivurk0JyU5L-0t7CCbeLgDfdo6gxMSiM=@mail.gmail.com> <E7467A0C-42AE-4997-8223-55B37CD145DF@isletech.net> <BANLkTikQxCB-J4cU%2BkurmbDy29AQin=BRQ@mail.gmail.com> <BANLkTi=mCgx0QAZ5rQd7R_HS4Tswa0okmA@mail.gmail.com> <1301911993.17884.4.camel@core.nessbank> <BANLkTikXa3PGJc7VMyK8Acd69GnKFpJFSw@mail.gmail.com> <20110404185930.GA96734@DataIX.net>
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On 4 April 2011 19:59, jhell <jhell@dataix.net> wrote:
> On Mon, Apr 04, 2011 at 12:48:35PM +0200, Piotr Paczynski wrote:
> > > gpt, not gpart. gpt - Guid Partition Table - is the table format, gpart
> > > is the tool. gpart can also create mbr partition tables.
> >
> > Let me paste the partition table of my boot disk:
> >
> > $ gpart show da0
> > => 34 3906207677 da0 GPT (1.8T)
> > 34 128 1 freebsd-boot (64K)
> > 162 8388608 2 freebsd-swap (4.0G)
> > 8388770 3897818941 3 freebsd-zfs (1.8T)
> >
> > It looks like an ordinary GPT, which should work ok on Solaris, no?
> >
> > Disks in my second pool do not use any partition table at all (raw
> > disk device is added directly to zpool) and this was imported ok in
> > Solaris.
> >
>
> Just to put a final NOTE on this:
>
> Yes! ( *Solaris, OpenIndiana, IllumOS )
> 1. Can... from FreeBSD...
> A. Import
> B. Destroy
> C. Scrub
> D. Export
> E. Send/Recieve
> F. Most anything else ZFS can do...
>
> ( *Solaris, OpenIndiana, IllumOS ) Recognizes pools from FreeBSD for...
> 2.
> A. Versions 6-28
>
> MBR slice partitions from FreeBSD on ( *Solaris, OpenIndiana, IllumOS )
> 3.
> A. Will relocate adNsN{x} to adNsN if imported on on any of the above
> resulting in the pool to be resized to entire length of slice.
> B. Does not see adNsN{x} and thus any other {x} will be lost on
> import. (3A)
>
> GPT partitions (adNpX) or (adaNpX) (daNpX)
> 4.
> A. Are interchangeable between both Solaris & FreeBSD upto v28
> B. Usually results in using whole_disk enabling use of write cache.
>
> Labels, FreeBSD & ( *Solaris, OpenIndiana, IllumOS )
> 5.
> A. Generic labels are not reccognized but the pool itself will be and
> will result in a loss of the label and a resize to the full length of
> the partition or slice if imported.
> B. GPT labels are not recognized but the disk still is.
> C. GPT labels can be used on FreeBSD while Solaris still uses the
> disk partition or slice.
> D. Labels as provided by glabel(8) are not found on other OS's do not
> expect them to show up anywhere but FreeBSD. Especially the generic
> labels.
>
>
> If your setting up a pool and you plan on using *Solaris for repair you
> should plan appropriately and setup your pool on a whole slice(sN) or
> partition(pN) and forget about using generic labels.
>
> That being said, Martin Matuska has created mfsBSD[6] images that have an
> available v28 module that can be used to repair your current install and
> can also be used to repair older pools without an upgrade of the on-disk
> versions.
>
> FreeBSD 9-CURRENT should also have snapshots available that will have
> ZFSv28 too! so relying on another OS is not entirely a must. At this
> time the URL to where those are located is not available from my
> location. Google ( site:ftp.freebsd.org snapshots ) for a list.
>
>
> 6. http://mfsbsd.vx.sk
>
>
>
> Good God, Good ZFS, Good Luck, Great Pawel!
>
> --
>
> Regards,
>
> J. Hellenthal
> JJH48-ARIN
> 0x89D8547E
>
>
you will need to force import if it wasn't exported as the hostid will be
different on the solaris box than the freebsd one
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