Hello,
I am a final year computer engg student and I am planning to implement
zfs on linux,
I have gone through the articles posted on solaris . Please let me
know about the
feasibility of zfs to be implemented on linux.
waiting for valuable replies.
thanks in advance.
On 9/14/07, zfs-discuss-request at opensolaris.org
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> Today''s Topics:
>
> 1. Re: How do I get my pool back? (Solaris)
> 2. Re: ZFS/WAFL lawsuit (Rob Windsor)
> 3. Re: How do I get my pool back? (Peter Tribble)
> 4. Re: How do I get my pool back? (Mike Lee)
> 5. Re: How do I get my pool back? (Peter Tribble)
> 6. Re: How do I get my pool back? (Eric Schrock)
> 7. Re: How do I get my pool back? (Marion Hakanson)
> 8. Re: How do I get my pool back? (Solaris)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 13 Sep 2007 13:27:22 -0400
> From: Solaris <solaris at alderhost.net>
> Subject: Re: [zfs-discuss] How do I get my pool back?
> To: zfs-discuss at opensolaris.org
> Message-ID:
> <460dadb90709131027ob925d33x1db50474ec911222 at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Try exporting the pool then import it. I have seen this after moving disks
> between systems, and on a couple of occasions just rebooting.
>
> On 9/13/07, zfs-discuss-request at opensolaris.org <
> zfs-discuss-request at opensolaris.org> wrote:
> >
> > Date: Thu, 13 Sep 2007 15:19:02 +0100
> > From: "Peter Tribble" <peter.tribble at gmail.com>
> > Subject: [zfs-discuss] How do I get my pool back?
> > To: zfs-discuss at opensolaris.org
> > Message-ID:
> > <df1347730709130719p60c955cetef1f52db57a66e1a at
mail.gmail.com>
> > Content-Type: text/plain; charset=ISO-8859-1
> >
> > After having to replace an internal raid card in an X2200 (S10U3 in
> > this case), I can see the disks just fine - and can boot, so the data
> > isn''t completely missing.
> >
> > However, my zpool has gone.
> >
> > # zpool status -x
> > pool: storage
> > state: FAULTED
> > status: One or more devices could not be opened. There are
insufficient
> > replicas for the pool to continue functioning.
> > action: Attach the missing device and online it using ''zpool
online''.
> > see: http://www.sun.com/msg/ZFS-8000-D3
> > scrub: none requested
> > config:
> >
> > NAME STATE READ WRITE CKSUM
> > storage UNAVAIL 0 0 0 insufficient replicas
> > c1t0d0s7 UNAVAIL 0 0 0 cannot open
> >
> > Note that this is just a slice on my boot drive. So the device
> > is physically accessible.
> >
> > How do I get my pool back?
> >
> > (And how can this sort of thing happen?)
> >
> > # zpool import
> > no pools available to import
> >
> > # zdb
> > storage
> > version=3
> > name=''storage''
> > state=0
> > txg=4
> > pool_guid=2378224617566178223
> > vdev_tree
> > type=''root''
> > id=0
> > guid=2378224617566178223
> > children[0]
> > type=''disk''
> > id=0
> > guid=12723054067535078074
> > path=''/dev/dsk/c1t0d0s7''
> > devid=''id1,sd at
n600508e000000000feafea6b80e2b906/h''
> > whole_disk=0
> > metaslab_array=13
> > metaslab_shift=32
> > ashift=9
> > asize=448412778496
> >
> >
> > --
> > -Peter Tribble
> > http://www.petertribble.co.uk/ - http://ptribble.blogspot.com/
> >
> >
> >
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> ------------------------------
>
> Message: 2
> Date: Thu, 13 Sep 2007 12:30:30 -0500
> From: Rob Windsor <windsor at warthog.com>
> Subject: Re: [zfs-discuss] ZFS/WAFL lawsuit
> To: zfs-discuss at opensolaris.org
> Message-ID: <46E973B6.1060705 at warthog.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Wade.Stuart at fallon.com wrote:
>
> > From what I gather about the East Texas venue they tend to
> repeatedly
> > dismiss very competent technical testimony (prior
art/non-infringement) --
> > instead relying more on the lawyer''s arguments, lay
conjecture and soft
> > fact. This seems to be why the venue is so valued by patent sharks
> holding
> > potentially unsupportable patents (they face little risk of losing
> > enforceability of the patent and better odds of winning).
>
> Well, another way I''ve heard it is "East Texas courts are
much more pro-IP."
>
> What you describe above are the means to be pro-IP. ;)
>
> Rob++
> --
> Internet: windsor at warthog.com __o
> Life: Rob at Carrollton.Texas.USA.Earth _`\<,_
> (_)/ (_)
> "They couldn''t hit an elephant at this distance."
> -- Major General John Sedgwick
>
>
> ------------------------------
>
> Message: 3
> Date: Thu, 13 Sep 2007 18:36:33 +0100
> From: "Peter Tribble" <peter.tribble at gmail.com>
> Subject: Re: [zfs-discuss] How do I get my pool back?
> To: Solaris <solaris at alderhost.net>
> Cc: zfs-discuss at opensolaris.org
> Message-ID:
> <df1347730709131036jf1fbb00ia6e700bbdb70bc71 at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> On 9/13/07, Solaris <solaris at alderhost.net> wrote:
> > Try exporting the pool then import it. I have seen this after moving
> disks
> > between systems, and on a couple of occasions just rebooting.
>
> Doesn''t work. (How can you export something that isn''t
imported
> anyway?)
>
> --
> -Peter Tribble
> http://www.petertribble.co.uk/ - http://ptribble.blogspot.com/
>
>
> ------------------------------
>
> Message: 4
> Date: Thu, 13 Sep 2007 13:47:47 -0400
> From: Mike Lee <Mike.Lee at Sun.COM>
> Subject: Re: [zfs-discuss] How do I get my pool back?
> To: Peter Tribble <peter.tribble at gmail.com>
> Cc: zfs-discuss at opensolaris.org, Solaris <solaris at
alderhost.net>
> Message-ID: <46E977C3.7060001 at sun.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> have you tried zpool clear?
>
> Peter Tribble wrote:
> > On 9/13/07, Solaris <solaris at alderhost.net> wrote:
> >
> >> Try exporting the pool then import it. I have seen this after
moving
> disks
> >> between systems, and on a couple of occasions just rebooting.
> >>
> >
> > Doesn''t work. (How can you export something that
isn''t imported
> > anyway?)
> >
> >
>
> --
> <http://www.sun.com/solaris> * Michael Lee *
> Area System Support Engineer
>
> *Sun Microsystems, Inc.*
> Phone x40782 / 866 877 8350
> Email Mike.Lee at Sun.COM
> <http://www.sun.com/solaris>
>
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> ------------------------------
>
> Message: 5
> Date: Thu, 13 Sep 2007 19:00:48 +0100
> From: "Peter Tribble" <peter.tribble at gmail.com>
> Subject: Re: [zfs-discuss] How do I get my pool back?
> To: "Mike Lee" <Mike.Lee at sun.com>
> Cc: zfs-discuss at opensolaris.org, Solaris <solaris at
alderhost.net>
> Message-ID:
> <df1347730709131100i2bf338ceg4ddd28b6d0326c52 at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> On 9/13/07, Mike Lee <Mike.Lee at sun.com> wrote:
> >
> > have you tried zpool clear?
> >
>
> Not yet. Let me give it a try:
>
> # zpool clear storage
> cannot open ''storage'': pool is unavailable
>
> Bother...
>
> Thanks anyway!
>
> --
> -Peter Tribble
> http://www.petertribble.co.uk/ - http://ptribble.blogspot.com/
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> ------------------------------
>
> Message: 6
> Date: Thu, 13 Sep 2007 10:47:41 -0700
> From: Eric Schrock <eric.schrock at sun.com>
> Subject: Re: [zfs-discuss] How do I get my pool back?
> To: Peter Tribble <peter.tribble at gmail.com>
> Cc: zfs-discuss at opensolaris.org, Solaris <solaris at
alderhost.net>
> Message-ID: <20070913174740.GF9113 at eng.sun.com>
> Content-Type: text/plain; charset=us-ascii
>
> On Thu, Sep 13, 2007 at 06:36:33PM +0100, Peter Tribble wrote:
> >
> > Doesn''t work. (How can you export something that
isn''t imported
> > anyway?)
> >
>
> The pool is imported, or else ''zpool status''
wouldn''t show it at all.
> It''s just faulted. So when you say "doesn''t
work", does that mean that
> the "zpool export" failed, or that it doesn''t find the
pool when doing
> the subsequent "zpool import"?
>
> - Eric
>
> --
> Eric Schrock, Solaris Kernel Development
http://blogs.sun.com/eschrock
>
>
> ------------------------------
>
> Message: 7
> Date: Thu, 13 Sep 2007 11:11:31 -0700
> From: Marion Hakanson <hakansom at ohsu.edu>
> Subject: Re: [zfs-discuss] How do I get my pool back?
> To: zfs-discuss at opensolaris.org
> Message-ID: <200709131811.l8DIBVO2007381 at kyklops.ohsu.edu>
> Content-Type: text/plain; charset=us-ascii
>
> peter.tribble at gmail.com said:
> > # zpool clear storage
> > cannot open ''storage'': pool is unavailable
> >
> > Bother...
>
> Greetings,
>
> It looks to me like maybe the device names changed with the controller
> swap you mentioned. Possibly the "new" device has not been fully
> recognized by the OS yet. Maybe a "cfgadm -al" will trigger a
rescan
> of disk devices, and/or show if anything is awry.
>
> Once you''ve confirmed that the OS actually sees the disks, you
might
> try removing /etc/zfs/zpool.cache and then doing "zpool import".
>
> Regards,
>
> Marion
>
>
>
>
> ------------------------------
>
> Message: 8
> Date: Thu, 13 Sep 2007 14:36:59 -0400
> From: Solaris <solaris at alderhost.net>
> Subject: Re: [zfs-discuss] How do I get my pool back?
> To: "Peter Tribble" <peter.tribble at gmail.com>
> Cc: zfs-discuss at opensolaris.org
> Message-ID:
> <460dadb90709131136x781cfcd7g5e577b0de2ba74c7 at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Ok, I guess I misunderstood the status of your pool. If you can do a zpool
> status then your zpool is configured, and should be exportable, even if the
> pool is inoperable, right? If you do a zpool status and it says no pools
> available (just like the zpool import command you had shown), then my
> suggestion would not be applicable to your situation.
>
> On 9/13/07, Peter Tribble <peter.tribble at gmail.com> wrote:
> >
> > On 9/13/07, Solaris <solaris at alderhost.net> wrote:
> > > Try exporting the pool then import it. I have seen this after
moving
> > disks
> > > between systems, and on a couple of occasions just rebooting.
> >
> > Doesn''t work. (How can you export something that
isn''t imported
> > anyway?)
> >
> > --
> > -Peter Tribble
> > http://www.petertribble.co.uk/ - http://ptribble.blogspot.com/
> >
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