Re: Please help with cleaning up an accident on 9.0 release

2015-05-20 Thread Lars Engels
On Tue, May 19, 2015 at 07:23:56AM -0800, Royce Williams wrote:
> On Tue, May 19, 2015 at 7:15 AM, Ulrich Drolshagen  > wrote:
> 
> > Hi all,
> >
> > I brought myself in real trouble with a really important 9.0 release
> > system (9.0-RELEASE-p4). It's amd64. By accident I deleted the following
> > binaries from /bin: cat, chflags, chio, chmod and cp
> > Does anybody still have an old iso from which he can extract these
> > binaries for me please?
> >
> > I would be really thankful if anybody could help
> >
> 
> Here you go:
> 
> http://www.techsolvency.com/tmp/
> 

And all of them have statically compiled versions in /rescue


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Re: table with bug in ipfw

2015-05-20 Thread Alexander V . Chernikov
19.05.2015, 03:22, "Marcelo Gondim" :
> Hi all,
Hi,
>
> I see that there is still the following bug in ipfw:
>
> # ipfw table 33 add 0.0.0.0/8
> # ipfw table 33 list
> ::/8 0
>
> and
>
> # ipfw table 33 add 255.255.255.255
> # ipfw table 33 list
> ::/8 0
>
> The IP 255.255.255.255 not appear but it's there. Look below:
>
> # ipfw table 33 add 255.255.255.255
> ipfw: setsockopt(IP_FW_TABLE_XADD): File exists
>
> This is very ugly to see. As it was not fixed in 10.1, would be expected
> to 10.2?
It was fixed in -head but didn't get to -stable. I'll try to take a look soon.

>
> Best regards,
> Gondim
>
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L2ARC degraded. Checksum errors, I/O errors

2015-05-20 Thread George Kontostanos
Hello,

Appologies if that has been asked before. I was wondering if the following
bug has been addressed so far:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=198242

Thanks


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Re: L2ARC degraded. Checksum errors, I/O errors

2015-05-20 Thread Slawa Olhovchenkov
On Wed, May 20, 2015 at 07:17:44PM +0300, George Kontostanos wrote:

> Hello,
> 
> Appologies if that has been asked before. I was wondering if the following
> bug has been addressed so far:
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=198242

As I know

kstat.zfs.misc.arcstats.l2_cksum_bad: 14495
kstat.zfs.misc.arcstats.l2_io_error: 12877

caused by hardware failure on L2ARC device.
try replace it.
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Re: L2ARC degraded. Checksum errors, I/O errors

2015-05-20 Thread Karli Sjöberg

Den 20 maj 2015 7:50 em skrev Slawa Olhovchenkov :
>
> On Wed, May 20, 2015 at 07:17:44PM +0300, George Kontostanos wrote:
>
> > Hello,
> >
> > Appologies if that has been asked before. I was wondering if the following
> > bug has been addressed so far:
> > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=198242
>
> As I know
>
> kstat.zfs.misc.arcstats.l2_cksum_bad: 14495
> kstat.zfs.misc.arcstats.l2_io_error: 12877
>
> caused by hardware failure on L2ARC device.
> try replace it.

Hardly. We are seeing this phenomenon on all of your ZFS storage's, where some 
of the L2ARC's are new, so I'd be very surprised if these are real hardware 
failures. That, as well as being reported by so many, my vote is on bug.

@gkontos
Thanks for bringing this to attention, I'm also interested in hearing if 
anyone's working on this.

/K

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Re: L2ARC degraded. Checksum errors, I/O errors

2015-05-20 Thread George Kontostanos
On Wed, May 20, 2015 at 9:53 PM, Karli Sjöberg  wrote:

>
> Den 20 maj 2015 7:50 em skrev Slawa Olhovchenkov :
> >
> > On Wed, May 20, 2015 at 07:17:44PM +0300, George Kontostanos wrote:
> >
> > > Hello,
> > >
> > > Appologies if that has been asked before. I was wondering if the
> following
> > > bug has been addressed so far:
> > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=198242
> >
> > As I know
> >
> > kstat.zfs.misc.arcstats.l2_cksum_bad: 14495
> > kstat.zfs.misc.arcstats.l2_io_error: 12877
> >
> > caused by hardware failure on L2ARC device.
> > try replace it.
>
> Hardly. We are seeing this phenomenon on all of your ZFS storage's, where
> some of the L2ARC's are new, so I'd be very surprised if these are real
> hardware failures. That, as well as being reported by so many, my vote is
> on bug.
>
> @gkontos
> Thanks for bringing this to attention, I'm also interested in hearing if
> anyone's working on this.
>
> /K
>

Thanks, I am ignoring the previous comment as it makes no real sense.


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Re: L2ARC degraded. Checksum errors, I/O errors

2015-05-20 Thread Karli Sjöberg

Den 20 maj 2015 9:40 em skrev George Kontostanos :
>
>
>
> On Wed, May 20, 2015 at 9:53 PM, Karli Sjöberg  wrote:
>>
>>
>> Den 20 maj 2015 7:50 em skrev Slawa Olhovchenkov :
>> >
>> > On Wed, May 20, 2015 at 07:17:44PM +0300, George Kontostanos wrote:
>> >
>> > > Hello,
>> > >
>> > > Appologies if that has been asked before. I was wondering if the 
>> > > following
>> > > bug has been addressed so far:
>> > > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=198242
>> >
>> > As I know
>> >
>> > kstat.zfs.misc.arcstats.l2_cksum_bad: 14495
>> > kstat.zfs.misc.arcstats.l2_io_error: 12877
>> >
>> > caused by hardware failure on L2ARC device.
>> > try replace it.
>>
>> Hardly. We are seeing this phenomenon on all of your ZFS stora hela, where 
>> some of the L2ARC's are new, so I'd be very surprised if these are real 
>> hardware failures. That, as well as being reported by so many, my vote is on 
>> bug.
>>
>> @gkontos
>> Thanks for bringing this to attention, I'm also interested in hearing if 
>> anyone's working on this.
>>
>> /K
>
>
> Thanks, I am ignoring the previous comment as it makes no real sense.

Whoops!

's/your ZFS storage's/our ZFS storage's/' :)

/K

>
>>
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>
>
>
>
> --
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> ---
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Status of NFS4.1 FS_RECLAIM in FreeBSD 10.1?

2015-05-20 Thread Mahmoud Al-Qudsi
Hello,

I have not delved too deeply into either the NFS spec or the FreeBSD nfsd
code, but from my admittedly-limited understanding, it seems that reclaim is
both a mandatory feature and one that is present in the current FreeBSD NFS
v4.1 implementation. Is my understanding of this correct?

My reason for asking is when attempting to migrate an ESXi server to a FreeBSD
NFSv4.1 datastore, ESXi throws the following error:

> WARNING: NFS41: NFS41FSCompleteMount:3601: RECLAIM_COMPLETE FS failed: Not
> supported; forcing read-only operation

VMware ESXi 6.0 is able to mount NFSv4.1 shares exported from other 
operating systems, so I figured I would ask here on the list before digging
out a copy of tcpdump and going down that rabbit hole.

I can mount and use NFSv3 shares just fine with ESXi from this same server, and 
can mount the same shares as NFSv4 from other clients (e.g. OS X) as well.

Thanks,

Mahmoud Al-Qudsi
NeoSmart Technologies

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Will iSAT's ALMMS improve my ADSL speed? MailRef#B4-2066030#

2015-05-20 Thread iSAT



 Wed 20 May 2015

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   If you aren't using ADSL access, please forward this email on to
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   This email was sent to freebsd-stable@freebsd.org. Click
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References

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   7. 
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   8. https://www.isat.co.za/documents/isat-almms-registration-form.pdf
   9. 
mailto:al...@isat.co.za?subject=?Subject=unsubscribe%20-freebsd-sta...@freebsd.org
  10. mailto:al...@isat.co.za
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Re: Status of NFS4.1 FS_RECLAIM in FreeBSD 10.1?

2015-05-20 Thread Rick Macklem
Mahoud Al-Qudsi wrote:
> Hello,
> 
> I have not delved too deeply into either the NFS spec or the FreeBSD
> nfsd
> code, but from my admittedly-limited understanding, it seems that
> reclaim is
> both a mandatory feature and one that is present in the current
> FreeBSD NFS
> v4.1 implementation. Is my understanding of this correct?
> 
Only the global RECLAIM_COMPLETE is implemented. I'll be honest that
I don't even really understand what the "single fs reclaim_complete"
semantics are and, as such, it isn't implemented.

I think it is meant to be used when a file system is migrated from
one server to another (transferring the locks to the new server) or
something like that.
Migration/replication isn't supported. Maybe someday if I figure out
what the RFC expects the server to do for this case.

> My reason for asking is when attempting to migrate an ESXi server to
> a FreeBSD
> NFSv4.1 datastore, ESXi throws the following error:
> 
> > WARNING: NFS41: NFS41FSCompleteMount:3601: RECLAIM_COMPLETE FS
> > failed: Not
> > supported; forcing read-only operation
> 
This is the first time I've heard of a client using this. The only clients
I've ever had the opportunity to test against are Linux, Solaris and the
FreeBSD one.

> VMware ESXi 6.0 is able to mount NFSv4.1 shares exported from other
> operating systems, so I figured I would ask here on the list before
> digging
> out a copy of tcpdump and going down that rabbit hole.
> 
> I can mount and use NFSv3 shares just fine with ESXi from this same
> server, and
> can mount the same shares as NFSv4 from other clients (e.g. OS X) as
> well.
> 
This is NFSv4.1 specific, so NFSv4.0 should work, I think. Or just use NFSv3.

rick

> Thanks,
> 
> Mahmoud Al-Qudsi
> NeoSmart Technologies
> 
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Re: Status of NFS4.1 FS_RECLAIM in FreeBSD 10.1?

2015-05-20 Thread Mahmoud Al-Qudsi
On May 20, 2015, at 8:57 PM, Rick Macklem  wrote:
> Only the global RECLAIM_COMPLETE is implemented. I'll be honest that
> I don't even really understand what the "single fs reclaim_complete"
> semantics are and, as such, it isn't implemented.

Thanks for verifying that.

> I think it is meant to be used when a file system is migrated from
> one server to another (transferring the locks to the new server) or
> something like that.
> Migration/replication isn't supported. Maybe someday if I figure out
> what the RFC expects the server to do for this case.

I wasn’t clear on if this was lock reclaiming or block reclaiming. Thanks.

>> I can mount and use NFSv3 shares just fine with ESXi from this same
>> server, and
>> can mount the same shares as NFSv4 from other clients (e.g. OS X) as
>> well.
>> 
> This is NFSv4.1 specific, so NFSv4.0 should work, I think. Or just use NFSv3.
> 
> rick

For some reason, ESXi doesn’t do ESXi 4.0, only v3 or v4.1.

I am using NFS v3 for now, but unless I’m mistaken, since FreeBSD supports
neither “nohide” nor “crossmnt” there is no way for a single export(/import)
to cross ZFS filesystem boundaries. 

I am using ZFS snapshots to manage virtual machine images, each machine
has its own ZFS filesystem so I can snapshot and rollback individually. But 
this means that under NFSv3 (so far as I can tell), each “folder” (ZFS fs) 
must be mounted separately on the ESXi host. I can get around exporting 
them each individually with the -alldirs parameter, but client-side, there does
not seem to be a way of traversing ZFS filesystem mounts without explicitly
mounting each and every one - a maintenance nightmare if there ever was one.

The only thing I can think of would be unions for the top-level directory, but 
I’m
very, very leery of the the nullfs/unionfs modules as they’ve been a source of 
system instability for us in the past (deadlocks, undetected lock inversions, 
etc).
That and I really rather a maintenance nightmare than a hack.

Would you have any other suggestions?

Thanks,

Mahmoud

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