Re: ZFS booting without partitions

2009-06-05 Thread Henri Hennebert

Kip Macy wrote:

On Mon, Jun 1, 2009 at 10:21 AM, Adam McDougall mcdou...@egr.msu.edu wrote:

I'm thinking that too.  I spent some time taking stabs at figuring it out
yesterday but didn't get anywhere useful.  I did try compiling the -current
src/sys/boot tree on 7.2 after a couple header tweaks to make it compile but
the loader still didn't work.  The working loader is the same file size as
the broken loader unless it was compiled on i386 and then it is ~30k bigger
for some reason (it shrinks to the same size as the rest if I force it to
use the same 32bit compilation flags as used on amd64).  Just mentioning
this in case it saves someone else some time.  I'm real pleased it works at
all.


If someone has the time to track down the differences I'll MFC them.
I'm not using ZFS boot at the moment so I have no way of testing.


At last I get this F.G diff!!!

The problem was in libstand.a. By the way , the patch also take into 
account the update of Doug Rabson to answer my problem with too many 
devices / pools.


Happy to help on this one.



Cheers,
Kip


--- lib/libstand/stand.h.orig   2007-01-09 02:02:04.0 +0100
+++ lib/libstand/stand.h2009-06-03 17:24:42.627552341 +0200
@@ -167,7 +167,7 @@
 #define SOPEN_RASIZE   512
 };
 
-#defineSOPEN_MAX   8
+#defineSOPEN_MAX   64
 extern struct open_file files[];
 
 /* f_flags values */
--- lib/libstand/nfs.c.orig 2004-01-21 21:12:23.0 +0100
+++ lib/libstand/nfs.c  2009-06-05 20:36:26.001368421 +0200
@@ -29,7 +29,7 @@
  */
 
 #include sys/cdefs.h
-__FBSDID($FreeBSD: src/lib/libstand/nfs.c,v 1.12 2004/01/21 20:12:23 jhb Exp 
$);
+__FBSDID($FreeBSD: src/lib/libstand/nfs.c,v 1.14 2008/11/21 09:14:29 luigi 
Exp $);
 
 #include sys/param.h
 #include sys/time.h
@@ -405,16 +405,23 @@
 
 #ifdef NFS_DEBUG
if (debug)
-   printf(nfs_open: %s (rootpath=%s)\n, path, rootpath);
+   printf(nfs_open: %s (rootpath=%s)\n, upath, rootpath);
 #endif
if (!rootpath[0]) {
printf(no rootpath, no nfs\n);
return (ENXIO);
}
 
+   /*
+* This is silly - we should look at dv_type but that value is
+* arch dependant and we can't use it here.
+*/
 #ifndef __i386__
if (strcmp(f-f_dev-dv_name, net) != 0)
return(EINVAL);
+#else
+   if (strcmp(f-f_dev-dv_name, pxe) != 0)
+   return(EINVAL);
 #endif
 
if (!(desc = socktodesc(*(int *)(f-f_devdata
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Re: ZFS booting without partitions

2009-06-05 Thread Adam McDougall

Henri Hennebert wrote:

Kip Macy wrote:
On Mon, Jun 1, 2009 at 10:21 AM, Adam McDougall 
mcdou...@egr.msu.edu wrote:
I'm thinking that too.  I spent some time taking stabs at figuring 
it out
yesterday but didn't get anywhere useful.  I did try compiling the 
-current
src/sys/boot tree on 7.2 after a couple header tweaks to make it 
compile but
the loader still didn't work.  The working loader is the same file 
size as
the broken loader unless it was compiled on i386 and then it is ~30k 
bigger
for some reason (it shrinks to the same size as the rest if I force 
it to
use the same 32bit compilation flags as used on amd64).  Just 
mentioning
this in case it saves someone else some time.  I'm real pleased it 
works at

all.


If someone has the time to track down the differences I'll MFC them.
I'm not using ZFS boot at the moment so I have no way of testing.


At last I get this F.G diff!!!

The problem was in libstand.a. By the way , the patch also take into 
account the update of Doug Rabson to answer my problem with too many 
devices / pools.


Happy to help on this one.

I can confirm that this fixes my loader when I patch, compile, install 
libstand then compile and install the loader.  Thanks for finding it!

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Re: ZFS booting without partitions

2009-06-03 Thread Lorenzo Perone

OK, so I've got my next little adventure here to share :-)

... after reading Your posts I was very eager to give the
whole boot-zfs-without-partitions thing a new try.

My starting situation was a ZFS mirror made up, as I wrote,
of two GPT partitions, so my pool looked like:

phaedrus# zpool status
  pool: tank
 state: ONLINE
 scrub: none requested
config:

NAMESTATE READ WRITE CKSUM
tank ONLINE   0 0 0
  ad6p4   ONLINE   0 0 0
  ad4p4   ONLINE   0 0 0

it was root-mounted and everything was seemingly working
fine, with the machine surviving several bonnie++'s,
sysbenches, and supersmacks concurrently for many
hours (cool!).

So to give it another try my plan was to detach one
partition, clear the gmirror on the UFS boot partition,
make a new pool made out of the free disk and start
the experiment over.

it looked almost like this:

zpool offline tank ad4p4
zpool detach tank ad4p4

gmirror stop gmboot (made out of ad6p2 and ad4p2)
gmirror remove gmboot ad4p2

then I had to reboot cause it wouldn't give up
on the swap partition on the zpool.

That's where the first problem began: it wouldn't boot
anymore... just because I removed a device?
In this case I was stuck at the mountroot: stage.
It wouldn't find the root filesystem on zfs.
(this happened also when physically detaching ad4).

So I booted off a recent 8-CURRENT iso DVD, and although
the mounroot stage is, iirc, at a later stage than
the loader, I smelled it could have something to do
with it and downloaded Adam's CURRENT/ZFS loader, put it in
the appropriate place on my UFS boot partition...

note:
From the CD, I had to import the pool with
zpool import -o altroot=/somewhere tank to avoid having
problems with the datasets being mounted on top
of the 8-fixit environment's /usr ...

Ok, rebooted, and whoops it would boot again in the previous
environment.

So... from there I started over with the creation of
a ZFS-bootonly situation on ad4 (with the intention
of zpool-attaching ad6 later on)

dd if=/dev/zero bs=1m of=/dev/ad4 count=200
(just to be safe, some 'whitespace'..)

zpool create esso da4

zfs snapshot -r t...@night
zfs send -R t...@night | zfs recv -d -F esso
(it did what it had to do - cool new v13 feature BTW!)

zpool export esso

dd if=/boot/zfsboot of=/dev/ad4 bs=512 count=1
dd if=/boot/zfsboot of=/dev/ad4 bs=512 skip=1 seek=1024

zpool import esso

zpool set bootfs=esso esso

the mountpoints (legacy on the poolfs, esso,
and the corresponding ones) had been correctly
copied by the send -R.

Just shortly mounted esso somewhere else,
edited loader.conf and fstab, and put it back
to legacy.

shutdown -r now.

Upon boot, it would wait a while, not present
any F1/F5, and booted into the old environment
(ad6p2 boot partition and then mounted tank as root).

From there, a zfs list or zpool status just showed
the root pool (tank), but the new one (esso) was
not present.

A zpool import showed:

heidegger# zpool import
  pool: esso
id: 865609520845688328
 state: UNAVAIL
status: One or more devices are missing from the system.
action: The pool cannot be imported. Attach the missing
devices and try again.
   see: http://www.sun.com/msg/ZFS-8000-3C
config:

essoUNAVAIL  insufficient replicas
  ad4   UNAVAIL  cannot open

zpool import -f esso did not succeed, instead,
looking on the console, I found
ZFS: WARNING: could not open ad4 for writing

I repeated the steps above two more times, making sure
I had wiped everyhing off ad4 before trying... but it
would always come up with that message. The disk is OK,
the cables too, I triple-checked it. Besides, writing
to the disk with other means (such as dd or creating a new
pool) succeeded... (albeit after the usual
sysctl kern.geom.debugflags=16 ...)

well for now I think I'll stick to the GPT + UFS Root +
ZFS Root solution (I'm so happy this works seemlessly,
so this is a big THANX and not a complaint!), but I
thought I'd share the latest hickups...

I won't be getting to that machine for a few days before
restoring to the gpt-ufs-based mirror, so if someone would like
me to provide other info I'll be happy to contribute it.

Big Regards!

Lorenzo


On 01.06.2009, at 19:09, Lorenzo Perone wrote:


On 31.05.2009, at 09:18, Adam McDougall wrote:


I encountered the same symptoms today on both a 32bit and 64bit
brand new install using gptzfsboot.  It works for me when I use
a copy of loader from an 8-current box with zfs support compiled in.
I haven't looked into it much yet but it might help you.  If you
want, you can try the loader I am using from:
http://www.egr.msu.edu/~mcdouga9/loader


Thanx for posting me your loader,  I'll try with this tomorrow night!
(any hint, btw, on why the one in -STABLE seems to be
broken, or whether it has actually been fixed by now?)



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Re: ZFS booting without partitions (was: ZFS boot on zfs mirror)

2009-06-01 Thread Alberto Villa
On Thu, May 28, 2009 at 3:58 PM, Lorenzo Perone
lopez.on.the.li...@yellowspace.net wrote:
 the result is, when choosing the disk with the zfs boot
 sectors in it (in my case F5, which goes to ad6), the kernel
 is not found. the console shows:

 forth not found
 definitions not found
 only not found
 (the above repeated several times)

 can't load 'kernel'

 and I get thrown to the loader prompt.
 lsdev does not show any ZFS devices.

same here on 7-stable (csupped yesterday)
i've followed the same steps, but i've used gpt as explained in the
first mail. the same exact steps worked perfectly on 8-current in
virtualbox
-- 
Alberto Villa villa.albe...@gmail.com
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Re: ZFS booting without partitions

2009-06-01 Thread Henri Hennebert

Lorenzo Perone wrote:

Hi,

I tried hard... but without success ;(

the result is, when choosing the disk with the zfs boot
sectors in it (in my case F5, which goes to ad6), the kernel
is not found. the console shows:

forth not found
definitions not found
only not found
(the above repeated several times)


This is the file /boot/loader from 7.2-STABLE which is wrong.

You can find a copy from 8.0-CURRENT and a script that I tested on a USB 
key) and is running for me:


http://verbier.restart.be/xfer/boot-zfs/

Put this directory somewhere, eg /tmp/boot-zfs

and run the script eg:
`cd /tmp/boot-zfs  sh -x make_usb_key.sh da6 kingston`

good luck

Henri


can't load 'kernel'

and I get thrown to the loader prompt.
lsdev does not show any ZFS devices.

Strange thing: if I boot from the other disk, F1, which is my
ad4 containing the normal ufs system I used to make up the other
one, and escape to the loader prompt, lsdev actually sees the
zpool which is on the other disk, and shows:
zfs0: tank

I tried booting with boot zfs:tank or zfs:tank:/boot/kernel/kernel,
but there I get the panic: free: guard1 fail message.
(would boot zfs:tank:/boot/kernel/kernel be correct, anyways?)

Sure I'm doing something wrong, but what...? Is it a problem that
the pool is made out of the second disk only (ad6)?

Here are my details (note: latest stable and biosdisk.c merged
with changes shown in r185095. no problems in buildworld/kernel):

snip

Machine: p4 4GHz 4 GB RAM (i386)

Note: the pool has actually a different name (heidi
instead of tank, if this can be of any relevance...),
just using tank here as it's one of the conventions...

mount (just to show my starting situation)

/dev/mirror/gm0s1a on / (ufs, local)
devfs on /dev (devfs, local)
/dev/mirror/gm0s1e on /tmp (ufs, local, soft-updates)
/dev/mirror/gm0s1f on /usr (ufs, local, soft-updates)
/dev/mirror/gm0s1d on /var (ufs, local, soft-updates)

gmirror status
  NameStatus  Components
mirror/gm0  DEGRADED  ad4
(ad6 used to be the second disk...)

echo 'LOADER_ZFS_SUPPORT=yes'  /etc/make.conf

cd /usr/src
make buildworld  make buildkernel KERNCONF=HEIDI
make installkernel KERNCONF=HEIDI
mergemaster
make installworld
shutdown -r now

dd if=/dev/zero of=/dev/ad6 bs=512 count=32

zpool create tank ad6
zfs create tank/usr
zfs create tank/var
zfs create -V 4gb tank/swap
zfs set org.freebsd:swap=on tank/swap
zpool set bootfs=tank tank

rsync -avx / /tank
rsync -avx /usr/ /tank/usr
rsync -avx /var/ /tank/var
cd /usr/src
make installkernel KERNCONF=HEIDI DESTDIR=/tank

zpool export tank

dd if=/boot/zfsboot of=/dev/ad6 bs=512 count=1
dd if=/boot/zfsboot of=/dev/ad6 bs=512 skip=1 seek=1024

zpool import tank

zfs set mountpoint=legacy tank
zfs set mountpoint=/usr tank/usr
zfs set mountpoint=/var tank/var

shutdown -r now ...

at the 'mbr prompt' I pressed F5 (the second disk, ad6)
.. as written above, loader gets loaded (at this stage
I suppose it's the stuff dd't after block 1024?),
but kernel not found.

/usr/src/sys/i386/conf/HEIDI:
(among other things...):
options KVA_PAGES=512

(/tank)/boot/loader.conf:
vm.kmem_size=1024M
vm.kmem_size_max=1024M
vfs.zfs.arc_max=128M
vfs.zfs.vdev.cache.size=8M
vfs.root.mountfrom=zfs:tank

(/tank)/etc/fstab:
# DeviceMountpointFStypeOptionsDumpPass#
tank/zfsrw00
/dev/acd0/cdromcd9660ro,noauto00

/snap

any help is welcome... don't know where to go from here right now.

BTW: I can't stop thanking the team for the incredible
pace at which bugs are fixed these days!


Regards,

Lorenzo



On 26.05.2009, at 18:42, George Hartzell wrote:


Andriy Gapon writes:

on 26/05/2009 19:21 George Hartzell said the following:

Dmitry Morozovsky writes:

On Tue, 26 May 2009, Mickael MAILLOT wrote:

MM Hi,
MM
MM i prefere use zfsboot boot sector, an example is better than a 
long talk:

MM
MM $ zpool create tank mirror ad4 ad6
MM $ zpool export tank
MM $ dd if=/boot/zfsboot of=/dev/ad4 bs=512 count=1
MM $ dd if=/boot/zfsboot of=/dev/ad6 bs=512 count=1
MM $ dd if=/boot/zfsboot of=/dev/ad4 bs=512 skeep=1  seek=1024
MM $ dd if=/boot/zfsboot of=/dev/ad6 bs=512 skeep=1  seek=1024

s/skeep/skip/ ? ;-)


What is the reason for copying zfsboot one bit at a time, as opposed
to

 dd if=/boot/zfsboot of=/dev/ad4 bs=512 count=2


seek=1024 for the second part? and no 'count=1' for it? :-)

[Just guessing] Apparently the first block of zfsboot is some form of 
MBR and the

rest is zfs-specific code that goes to magical sector 1024.


Ok, I managed to read the argument to seek as one block, apparently
my coffee hasn't hit yet.

I'm still confused about the two parts of zfsboot and what's magical
about seeking to 1024.

g.

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Re: ZFS booting without partitions

2009-06-01 Thread Henri Hennebert

Henri Hennebert wrote:

Lorenzo Perone wrote:

Hi,

I tried hard... but without success ;(

the result is, when choosing the disk with the zfs boot
sectors in it (in my case F5, which goes to ad6), the kernel
is not found. the console shows:

forth not found
definitions not found
only not found
(the above repeated several times)


This is the file /boot/loader from 7.2-STABLE which is wrong.

You can find a copy from 8.0-CURRENT and a script that I tested on a USB 
key) and is running for me:


http://verbier.restart.be/xfer/boot-zfs/

Put this directory somewhere, eg /tmp/boot-zfs

and run the script eg:
`cd /tmp/boot-zfs  sh -x make_usb_key.sh da6 kingston`

good luck


CAVEAT:

The script put tuning in '/boot/loader.conf' wich imply options 
 KVA_PAGES=384 in my i386 kernel.


Henri



Henri


can't load 'kernel'

and I get thrown to the loader prompt.
lsdev does not show any ZFS devices.

Strange thing: if I boot from the other disk, F1, which is my
ad4 containing the normal ufs system I used to make up the other
one, and escape to the loader prompt, lsdev actually sees the
zpool which is on the other disk, and shows:
zfs0: tank

I tried booting with boot zfs:tank or zfs:tank:/boot/kernel/kernel,
but there I get the panic: free: guard1 fail message.
(would boot zfs:tank:/boot/kernel/kernel be correct, anyways?)

Sure I'm doing something wrong, but what...? Is it a problem that
the pool is made out of the second disk only (ad6)?

Here are my details (note: latest stable and biosdisk.c merged
with changes shown in r185095. no problems in buildworld/kernel):

snip

Machine: p4 4GHz 4 GB RAM (i386)

Note: the pool has actually a different name (heidi
instead of tank, if this can be of any relevance...),
just using tank here as it's one of the conventions...

mount (just to show my starting situation)

/dev/mirror/gm0s1a on / (ufs, local)
devfs on /dev (devfs, local)
/dev/mirror/gm0s1e on /tmp (ufs, local, soft-updates)
/dev/mirror/gm0s1f on /usr (ufs, local, soft-updates)
/dev/mirror/gm0s1d on /var (ufs, local, soft-updates)

gmirror status
  NameStatus  Components
mirror/gm0  DEGRADED  ad4
(ad6 used to be the second disk...)

echo 'LOADER_ZFS_SUPPORT=yes'  /etc/make.conf

cd /usr/src
make buildworld  make buildkernel KERNCONF=HEIDI
make installkernel KERNCONF=HEIDI
mergemaster
make installworld
shutdown -r now

dd if=/dev/zero of=/dev/ad6 bs=512 count=32

zpool create tank ad6
zfs create tank/usr
zfs create tank/var
zfs create -V 4gb tank/swap
zfs set org.freebsd:swap=on tank/swap
zpool set bootfs=tank tank

rsync -avx / /tank
rsync -avx /usr/ /tank/usr
rsync -avx /var/ /tank/var
cd /usr/src
make installkernel KERNCONF=HEIDI DESTDIR=/tank

zpool export tank

dd if=/boot/zfsboot of=/dev/ad6 bs=512 count=1
dd if=/boot/zfsboot of=/dev/ad6 bs=512 skip=1 seek=1024

zpool import tank

zfs set mountpoint=legacy tank
zfs set mountpoint=/usr tank/usr
zfs set mountpoint=/var tank/var

shutdown -r now ...

at the 'mbr prompt' I pressed F5 (the second disk, ad6)
.. as written above, loader gets loaded (at this stage
I suppose it's the stuff dd't after block 1024?),
but kernel not found.

/usr/src/sys/i386/conf/HEIDI:
(among other things...):
options KVA_PAGES=512

(/tank)/boot/loader.conf:
vm.kmem_size=1024M
vm.kmem_size_max=1024M
vfs.zfs.arc_max=128M
vfs.zfs.vdev.cache.size=8M
vfs.root.mountfrom=zfs:tank

(/tank)/etc/fstab:
# DeviceMountpointFStypeOptionsDumpPass#
tank/zfsrw00
/dev/acd0/cdromcd9660ro,noauto00

/snap

any help is welcome... don't know where to go from here right now.

BTW: I can't stop thanking the team for the incredible
pace at which bugs are fixed these days!


Regards,

Lorenzo



On 26.05.2009, at 18:42, George Hartzell wrote:


Andriy Gapon writes:

on 26/05/2009 19:21 George Hartzell said the following:

Dmitry Morozovsky writes:

On Tue, 26 May 2009, Mickael MAILLOT wrote:

MM Hi,
MM
MM i prefere use zfsboot boot sector, an example is better than a 
long talk:

MM
MM $ zpool create tank mirror ad4 ad6
MM $ zpool export tank
MM $ dd if=/boot/zfsboot of=/dev/ad4 bs=512 count=1
MM $ dd if=/boot/zfsboot of=/dev/ad6 bs=512 count=1
MM $ dd if=/boot/zfsboot of=/dev/ad4 bs=512 skeep=1  seek=1024
MM $ dd if=/boot/zfsboot of=/dev/ad6 bs=512 skeep=1  seek=1024

s/skeep/skip/ ? ;-)


What is the reason for copying zfsboot one bit at a time, as opposed
to

 dd if=/boot/zfsboot of=/dev/ad4 bs=512 count=2


seek=1024 for the second part? and no 'count=1' for it? :-)

[Just guessing] Apparently the first block of zfsboot is some form 
of MBR and the

rest is zfs-specific code that goes to magical sector 1024.


Ok, I managed to read the argument to seek as one block, apparently
my coffee hasn't hit yet.

I'm still confused about the two parts of zfsboot and what's magical
about seeking to 1024.

g.

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Re: ZFS booting without partitions

2009-06-01 Thread Alberto Villa
On Mon, Jun 1, 2009 at 12:06 PM, Henri Hennebert h...@restart.be wrote:
 This is the file /boot/loader from 7.2-STABLE which is wrong.

 You can find a copy from 8.0-CURRENT and a script that I tested on a USB
 key) and is running for me:

replacing /boot/loader with yours did the job
thanks!
-- 
Alberto Villa villa.albe...@gmail.com
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Re: ZFS booting without partitions

2009-06-01 Thread Kip Macy
Odds are that there are more changes that were made in HEAD to the
loader that need to be MFC'd.

-Kip

On Mon, Jun 1, 2009 at 3:55 AM, Alberto Villa villa.albe...@gmail.com wrote:
 On Mon, Jun 1, 2009 at 12:06 PM, Henri Hennebert h...@restart.be wrote:
 This is the file /boot/loader from 7.2-STABLE which is wrong.

 You can find a copy from 8.0-CURRENT and a script that I tested on a USB
 key) and is running for me:

 replacing /boot/loader with yours did the job
 thanks!
 --
 Alberto Villa villa.albe...@gmail.com
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-- 
When bad men combine, the good must associate; else they will fall one
by one, an unpitied sacrifice in a contemptible struggle.

Edmund Burke
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Re: ZFS booting without partitions (was: ZFS boot on zfs mirror)

2009-06-01 Thread Lorenzo Perone

On 31.05.2009, at 09:18, Adam McDougall wrote:


I encountered the same symptoms today on both a 32bit and 64bit
brand new install using gptzfsboot.  It works for me when I use
a copy of loader from an 8-current box with zfs support compiled in.
I haven't looked into it much yet but it might help you.  If you
want, you can try the loader I am using from:
http://www.egr.msu.edu/~mcdouga9/loader



Hi, thanx a lot for this hint. Meanwhile, I was almost giving up,
and had a try with ZFS on Root with GPT partitioning, using
gptzfsboot as the bootloader, a UFS root partition as boot
partition (gmirrored to both disks), and the rest (inclusive of a
zvol for swap!) on ZFS. This worked perfectly on the first try.
(if anyone is interested, I can post my commented command
series for that, but it's just a mix of the available tutorials on
the web..).

I'll be glad do give the zfs-only solution a new try.
Had the same impression, that the loader was involved in the
problem, but had no env at hand to build a -CURRENT right
away... (I did, in fact, repeat the dd-steps a zfsboot
bootloader from a recent 8- snapshot iso... with the results
being the same as before...).

Sidenote: I encountered a few panics when using rsync with the
HAX flags enabled (rsync -avxHAX from UFS to ZFS).
I'll try to figure out which one of the flags caused it...
(Hard links, ACLs, or eXtended attributes..).
Never had even the slightest problem with rsync -avx.

Thanx for posting me your loader,  I'll try with this tomorrow night!
(any hint, btw, on why the one in -STABLE seems to be
broken, or whether it has actually been fixed by now?)

Regards,
Lorenzo


(...)


2009/5/28 Lorenzo Perone:

Hi,

I tried hard... but without success ;(

the result is, when choosing the disk with the zfs boot
sectors in it (in my case F5, which goes to ad6), the kernel
is not found. the console shows:

forth not found
definitions not found
only not found
(the above repeated several times)

can't load 'kernel'

and I get thrown to the loader prompt.
lsdev does not show any ZFS devices.

(...)



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Re: ZFS booting without partitions

2009-06-01 Thread Adam McDougall
I'm thinking that too.  I spent some time taking stabs at figuring it 
out yesterday but didn't get anywhere useful.  I did try compiling the 
-current src/sys/boot tree on 7.2 after a couple header tweaks to make 
it compile but the loader still didn't work.  The working loader is the 
same file size as the broken loader unless it was compiled on i386 and 
then it is ~30k bigger for some reason (it shrinks to the same size as 
the rest if I force it to use the same 32bit compilation flags as used 
on amd64).  Just mentioning this in case it saves someone else some 
time.  I'm real pleased it works at all.


Kip Macy wrote:

Odds are that there are more changes that were made in HEAD to the
loader that need to be MFC'd.

-Kip

On Mon, Jun 1, 2009 at 3:55 AM, Alberto Villa villa.albe...@gmail.com wrote:
  

On Mon, Jun 1, 2009 at 12:06 PM, Henri Hennebert h...@restart.be wrote:


This is the file /boot/loader from 7.2-STABLE which is wrong.

You can find a copy from 8.0-CURRENT and a script that I tested on a USB
key) and is running for me:
  

replacing /boot/loader with yours did the job
thanks!
--
Alberto Villa villa.albe...@gmail.com
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Re: ZFS booting without partitions

2009-06-01 Thread Enrico M.
On Monday 01 June 2009 12:06:18 Henri Hennebert wrote:
 Lorenzo Perone wrote:
  Hi,
 
  I tried hard... but without success ;(
 
  the result is, when choosing the disk with the zfs boot
  sectors in it (in my case F5, which goes to ad6), the kernel
  is not found. the console shows:
 
  forth not found
  definitions not found
  only not found
  (the above repeated several times)

 This is the file /boot/loader from 7.2-STABLE which is wrong.

 You can find a copy from 8.0-CURRENT and a script that I tested on a USB
 key) and is running for me:

 http://verbier.restart.be/xfer/boot-zfs/

Thanks!
I replaced /boot/loader with the file from your link.
Now the system boot.
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Re: ZFS booting without partitions

2009-06-01 Thread Kip Macy
On Mon, Jun 1, 2009 at 10:21 AM, Adam McDougall mcdou...@egr.msu.edu wrote:
 I'm thinking that too.  I spent some time taking stabs at figuring it out
 yesterday but didn't get anywhere useful.  I did try compiling the -current
 src/sys/boot tree on 7.2 after a couple header tweaks to make it compile but
 the loader still didn't work.  The working loader is the same file size as
 the broken loader unless it was compiled on i386 and then it is ~30k bigger
 for some reason (it shrinks to the same size as the rest if I force it to
 use the same 32bit compilation flags as used on amd64).  Just mentioning
 this in case it saves someone else some time.  I'm real pleased it works at
 all.

If someone has the time to track down the differences I'll MFC them.
I'm not using ZFS boot at the moment so I have no way of testing.

Cheers,
Kip
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Re: ZFS booting without partitions (was: ZFS boot on zfs mirror)

2009-05-31 Thread Adam McDougall
I encountered the same symptoms today on both a 32bit and 64bit
brand new install using gptzfsboot.  It works for me when I use
a copy of loader from an 8-current box with zfs support compiled in.
I haven't looked into it much yet but it might help you.  If you
want, you can try the loader I am using from:
http://www.egr.msu.edu/~mcdouga9/loader

On Thu, May 28, 2009 at 10:41:42PM +0200, Lorenzo Perone wrote:

  
  On 28.05.2009, at 21:46, Mickael MAILLOT wrote:
  
   hi,
  
   did you erase gmirror meta ? (on the last sector)
   with: gmirror clear ad6
  
  ohps I had forgotten that. just did it (in single user mode),
  but it  didn't help :( Shall I repeat any of the other steps
  after clearing gmirror meta?
  
  thanx a lot for your help...
  
  Lorenzo
  
   2009/5/28 Lorenzo Perone lopez.on.the.li...@yellowspace.net:
   Hi,
  
   I tried hard... but without success ;(
  
   the result is, when choosing the disk with the zfs boot
   sectors in it (in my case F5, which goes to ad6), the kernel
   is not found. the console shows:
  
   forth not found
   definitions not found
   only not found
   (the above repeated several times)
  
   can't load 'kernel'
  
   and I get thrown to the loader prompt.
   lsdev does not show any ZFS devices.
  
   Strange thing: if I boot from the other disk, F1, which is my
   ad4 containing the normal ufs system I used to make up the other
   one, and escape to the loader prompt, lsdev actually sees the
   zpool which is on the other disk, and shows:
   zfs0: tank
  
   I tried booting with boot zfs:tank or zfs:tank:/boot/kernel/kernel,
   but there I get the panic: free: guard1 fail message.
   (would boot zfs:tank:/boot/kernel/kernel be correct, anyways?)
  
   Sure I'm doing something wrong, but what...? Is it a problem that
   the pool is made out of the second disk only (ad6)?
  
   Here are my details (note: latest stable and biosdisk.c merged
   with changes shown in r185095. no problems in buildworld/kernel):
   ()
  
  
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Re: ZFS booting without partitions (was: ZFS boot on zfs mirror)

2009-05-31 Thread Enrico M.
On Thursday 28 May 2009 15:58:04 Lorenzo Perone wrote:
 Hi,

 I tried hard... but without success ;(

 the result is, when choosing the disk with the zfs boot
 sectors in it (in my case F5, which goes to ad6), the kernel
 is not found. the console shows:

 forth not found
 definitions not found
 only not found
 (the above repeated several times)

 can't load 'kernel'

 and I get thrown to the loader prompt.
 lsdev does not show any ZFS devices.

 Strange thing: if I boot from the other disk, F1, which is my
 ad4 containing the normal ufs system I used to make up the other
 one, and escape to the loader prompt, lsdev actually sees the
 zpool which is on the other disk, and shows:
 zfs0: tank

 I tried booting with boot zfs:tank or zfs:tank:/boot/kernel/kernel,
 but there I get the panic: free: guard1 fail message.
 (would boot zfs:tank:/boot/kernel/kernel be correct, anyways?)

 Sure I'm doing something wrong, but what...? Is it a problem that
 the pool is made out of the second disk only (ad6)?

 Here are my details (note: latest stable and biosdisk.c merged
 with changes shown in r185095. no problems in buildworld/kernel):

 snip

 Machine: p4 4GHz 4 GB RAM (i386)

 Note: the pool has actually a different name (heidi
 instead of tank, if this can be of any relevance...),
 just using tank here as it's one of the conventions...

 mount (just to show my starting situation)

 /dev/mirror/gm0s1a on / (ufs, local)
 devfs on /dev (devfs, local)
 /dev/mirror/gm0s1e on /tmp (ufs, local, soft-updates)
 /dev/mirror/gm0s1f on /usr (ufs, local, soft-updates)
 /dev/mirror/gm0s1d on /var (ufs, local, soft-updates)

 gmirror status
NameStatus  Components
 mirror/gm0  DEGRADED  ad4
 (ad6 used to be the second disk...)

 echo 'LOADER_ZFS_SUPPORT=yes'  /etc/make.conf

 cd /usr/src
 make buildworld  make buildkernel KERNCONF=HEIDI
 make installkernel KERNCONF=HEIDI
 mergemaster
 make installworld
 shutdown -r now

 dd if=/dev/zero of=/dev/ad6 bs=512 count=32

 zpool create tank ad6
 zfs create tank/usr
 zfs create tank/var
 zfs create -V 4gb tank/swap
 zfs set org.freebsd:swap=on tank/swap
 zpool set bootfs=tank tank

 rsync -avx / /tank
 rsync -avx /usr/ /tank/usr
 rsync -avx /var/ /tank/var
 cd /usr/src
 make installkernel KERNCONF=HEIDI DESTDIR=/tank

 zpool export tank

 dd if=/boot/zfsboot of=/dev/ad6 bs=512 count=1
 dd if=/boot/zfsboot of=/dev/ad6 bs=512 skip=1 seek=1024

 zpool import tank

 zfs set mountpoint=legacy tank
 zfs set mountpoint=/usr tank/usr
 zfs set mountpoint=/var tank/var

 shutdown -r now ...

 at the 'mbr prompt' I pressed F5 (the second disk, ad6)
 .. as written above, loader gets loaded (at this stage
 I suppose it's the stuff dd't after block 1024?),
 but kernel not found.

 /usr/src/sys/i386/conf/HEIDI:
 (among other things...):
 options KVA_PAGES=512

 (/tank)/boot/loader.conf:
 vm.kmem_size=1024M
 vm.kmem_size_max=1024M
 vfs.zfs.arc_max=128M
 vfs.zfs.vdev.cache.size=8M
 vfs.root.mountfrom=zfs:tank

 (/tank)/etc/fstab:
 # Device  Mountpoint  FStype  Options DumpPass#
 tank  /   zfs rw  0   0
 /dev/acd0 /cdrom  cd9660  ro,noauto   0   0

 /snap

 any help is welcome... don't know where to go from here right now.

 BTW: I can't stop thanking the team for the incredible
 pace at which bugs are fixed these days!


 Regards,

 Lorenzo

 On 26.05.2009, at 18:42, George Hartzell wrote:
  Andriy Gapon writes:
  on 26/05/2009 19:21 George Hartzell said the following:
  Dmitry Morozovsky writes:
  On Tue, 26 May 2009, Mickael MAILLOT wrote:
 
  MM Hi,
  MM
  MM i prefere use zfsboot boot sector, an example is better than
  a long talk:
  MM
  MM $ zpool create tank mirror ad4 ad6
  MM $ zpool export tank
  MM $ dd if=/boot/zfsboot of=/dev/ad4 bs=512 count=1
  MM $ dd if=/boot/zfsboot of=/dev/ad6 bs=512 count=1
  MM $ dd if=/boot/zfsboot of=/dev/ad4 bs=512 skeep=1  seek=1024
  MM $ dd if=/boot/zfsboot of=/dev/ad6 bs=512 skeep=1  seek=1024
 
  s/skeep/skip/ ? ;-)
 
  What is the reason for copying zfsboot one bit at a time, as opposed
  to
 
   dd if=/boot/zfsboot of=/dev/ad4 bs=512 count=2
 
  seek=1024 for the second part? and no 'count=1' for it? :-)
 
  [Just guessing] Apparently the first block of zfsboot is some form
  of MBR and the
  rest is zfs-specific code that goes to magical sector 1024.
 
  Ok, I managed to read the argument to seek as one block, apparently
  my coffee hasn't hit yet.
 
  I'm still confused about the two parts of zfsboot and what's magical
  about seeking to 1024.
 
  g.

I obtained the same result with FreeBSD 7 stable.
I installed first a new system in a scsi disk with ufs
I put LOADER_ZFS_SUPPORT=yes in /etc/make.conf, updated src and made 
buildworld without trouble.
I built a new kernel, installed it and installed new world.
Until here, that's all right

Then, I tried with a PATA hard drive, ad2
I resetted the mbr and the partition table with dd if=/dev/zero 

ZFS booting without partitions (was: ZFS boot on zfs mirror)

2009-05-28 Thread Lorenzo Perone

Hi,

I tried hard... but without success ;(

the result is, when choosing the disk with the zfs boot
sectors in it (in my case F5, which goes to ad6), the kernel
is not found. the console shows:

forth not found
definitions not found
only not found
(the above repeated several times)

can't load 'kernel'

and I get thrown to the loader prompt.
lsdev does not show any ZFS devices.

Strange thing: if I boot from the other disk, F1, which is my
ad4 containing the normal ufs system I used to make up the other
one, and escape to the loader prompt, lsdev actually sees the
zpool which is on the other disk, and shows:
zfs0: tank

I tried booting with boot zfs:tank or zfs:tank:/boot/kernel/kernel,
but there I get the panic: free: guard1 fail message.
(would boot zfs:tank:/boot/kernel/kernel be correct, anyways?)

Sure I'm doing something wrong, but what...? Is it a problem that
the pool is made out of the second disk only (ad6)?

Here are my details (note: latest stable and biosdisk.c merged
with changes shown in r185095. no problems in buildworld/kernel):

snip

Machine: p4 4GHz 4 GB RAM (i386)

Note: the pool has actually a different name (heidi
instead of tank, if this can be of any relevance...),
just using tank here as it's one of the conventions...

mount (just to show my starting situation)

/dev/mirror/gm0s1a on / (ufs, local)
devfs on /dev (devfs, local)
/dev/mirror/gm0s1e on /tmp (ufs, local, soft-updates)
/dev/mirror/gm0s1f on /usr (ufs, local, soft-updates)
/dev/mirror/gm0s1d on /var (ufs, local, soft-updates)

gmirror status
  NameStatus  Components
mirror/gm0  DEGRADED  ad4
(ad6 used to be the second disk...)

echo 'LOADER_ZFS_SUPPORT=yes'  /etc/make.conf

cd /usr/src
make buildworld  make buildkernel KERNCONF=HEIDI
make installkernel KERNCONF=HEIDI
mergemaster
make installworld
shutdown -r now

dd if=/dev/zero of=/dev/ad6 bs=512 count=32

zpool create tank ad6
zfs create tank/usr
zfs create tank/var
zfs create -V 4gb tank/swap
zfs set org.freebsd:swap=on tank/swap
zpool set bootfs=tank tank

rsync -avx / /tank
rsync -avx /usr/ /tank/usr
rsync -avx /var/ /tank/var
cd /usr/src
make installkernel KERNCONF=HEIDI DESTDIR=/tank

zpool export tank

dd if=/boot/zfsboot of=/dev/ad6 bs=512 count=1
dd if=/boot/zfsboot of=/dev/ad6 bs=512 skip=1 seek=1024

zpool import tank

zfs set mountpoint=legacy tank
zfs set mountpoint=/usr tank/usr
zfs set mountpoint=/var tank/var

shutdown -r now ...

at the 'mbr prompt' I pressed F5 (the second disk, ad6)
.. as written above, loader gets loaded (at this stage
I suppose it's the stuff dd't after block 1024?),
but kernel not found.

/usr/src/sys/i386/conf/HEIDI:
(among other things...):
options KVA_PAGES=512

(/tank)/boot/loader.conf:
vm.kmem_size=1024M
vm.kmem_size_max=1024M
vfs.zfs.arc_max=128M
vfs.zfs.vdev.cache.size=8M
vfs.root.mountfrom=zfs:tank

(/tank)/etc/fstab:
# DeviceMountpoint  FStype  Options DumpPass#
tank/   zfs rw  0   0
/dev/acd0   /cdrom  cd9660  ro,noauto   0   0

/snap

any help is welcome... don't know where to go from here right now.

BTW: I can't stop thanking the team for the incredible
pace at which bugs are fixed these days!


Regards,

Lorenzo



On 26.05.2009, at 18:42, George Hartzell wrote:


Andriy Gapon writes:

on 26/05/2009 19:21 George Hartzell said the following:

Dmitry Morozovsky writes:

On Tue, 26 May 2009, Mickael MAILLOT wrote:

MM Hi,
MM
MM i prefere use zfsboot boot sector, an example is better than  
a long talk:

MM
MM $ zpool create tank mirror ad4 ad6
MM $ zpool export tank
MM $ dd if=/boot/zfsboot of=/dev/ad4 bs=512 count=1
MM $ dd if=/boot/zfsboot of=/dev/ad6 bs=512 count=1
MM $ dd if=/boot/zfsboot of=/dev/ad4 bs=512 skeep=1  seek=1024
MM $ dd if=/boot/zfsboot of=/dev/ad6 bs=512 skeep=1  seek=1024

s/skeep/skip/ ? ;-)


What is the reason for copying zfsboot one bit at a time, as opposed
to

 dd if=/boot/zfsboot of=/dev/ad4 bs=512 count=2


seek=1024 for the second part? and no 'count=1' for it? :-)

[Just guessing] Apparently the first block of zfsboot is some form  
of MBR and the

rest is zfs-specific code that goes to magical sector 1024.


Ok, I managed to read the argument to seek as one block, apparently
my coffee hasn't hit yet.

I'm still confused about the two parts of zfsboot and what's magical
about seeking to 1024.

g.

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Re: ZFS booting without partitions (was: ZFS boot on zfs mirror)

2009-05-28 Thread Mickael MAILLOT
hi,

did you erase gmirror meta ? (on the last sector)
with: gmirror clear ad6

2009/5/28 Lorenzo Perone lopez.on.the.li...@yellowspace.net:
 Hi,

 I tried hard... but without success ;(

 the result is, when choosing the disk with the zfs boot
 sectors in it (in my case F5, which goes to ad6), the kernel
 is not found. the console shows:

 forth not found
 definitions not found
 only not found
 (the above repeated several times)

 can't load 'kernel'

 and I get thrown to the loader prompt.
 lsdev does not show any ZFS devices.

 Strange thing: if I boot from the other disk, F1, which is my
 ad4 containing the normal ufs system I used to make up the other
 one, and escape to the loader prompt, lsdev actually sees the
 zpool which is on the other disk, and shows:
 zfs0: tank

 I tried booting with boot zfs:tank or zfs:tank:/boot/kernel/kernel,
 but there I get the panic: free: guard1 fail message.
 (would boot zfs:tank:/boot/kernel/kernel be correct, anyways?)

 Sure I'm doing something wrong, but what...? Is it a problem that
 the pool is made out of the second disk only (ad6)?

 Here are my details (note: latest stable and biosdisk.c merged
 with changes shown in r185095. no problems in buildworld/kernel):

 snip

 Machine: p4 4GHz 4 GB RAM (i386)

 Note: the pool has actually a different name (heidi
 instead of tank, if this can be of any relevance...),
 just using tank here as it's one of the conventions...

 mount (just to show my starting situation)

 /dev/mirror/gm0s1a on / (ufs, local)
 devfs on /dev (devfs, local)
 /dev/mirror/gm0s1e on /tmp (ufs, local, soft-updates)
 /dev/mirror/gm0s1f on /usr (ufs, local, soft-updates)
 /dev/mirror/gm0s1d on /var (ufs, local, soft-updates)

 gmirror status
      Name    Status  Components
 mirror/gm0  DEGRADED  ad4
 (ad6 used to be the second disk...)

 echo 'LOADER_ZFS_SUPPORT=yes'  /etc/make.conf

 cd /usr/src
 make buildworld  make buildkernel KERNCONF=HEIDI
 make installkernel KERNCONF=HEIDI
 mergemaster
 make installworld
 shutdown -r now

 dd if=/dev/zero of=/dev/ad6 bs=512 count=32

 zpool create tank ad6
 zfs create tank/usr
 zfs create tank/var
 zfs create -V 4gb tank/swap
 zfs set org.freebsd:swap=on tank/swap
 zpool set bootfs=tank tank

 rsync -avx / /tank
 rsync -avx /usr/ /tank/usr
 rsync -avx /var/ /tank/var
 cd /usr/src
 make installkernel KERNCONF=HEIDI DESTDIR=/tank

 zpool export tank

 dd if=/boot/zfsboot of=/dev/ad6 bs=512 count=1
 dd if=/boot/zfsboot of=/dev/ad6 bs=512 skip=1 seek=1024

 zpool import tank

 zfs set mountpoint=legacy tank
 zfs set mountpoint=/usr tank/usr
 zfs set mountpoint=/var tank/var

 shutdown -r now ...

 at the 'mbr prompt' I pressed F5 (the second disk, ad6)
 .. as written above, loader gets loaded (at this stage
 I suppose it's the stuff dd't after block 1024?),
 but kernel not found.

 /usr/src/sys/i386/conf/HEIDI:
 (among other things...):
 options KVA_PAGES=512

 (/tank)/boot/loader.conf:
 vm.kmem_size=1024M
 vm.kmem_size_max=1024M
 vfs.zfs.arc_max=128M
 vfs.zfs.vdev.cache.size=8M
 vfs.root.mountfrom=zfs:tank

 (/tank)/etc/fstab:
 # Device                Mountpoint      FStype  Options         Dump
  Pass#
 tank            /               zfs     rw              0       0
 /dev/acd0               /cdrom          cd9660  ro,noauto       0       0

 /snap

 any help is welcome... don't know where to go from here right now.

 BTW: I can't stop thanking the team for the incredible
 pace at which bugs are fixed these days!


 Regards,

 Lorenzo



 On 26.05.2009, at 18:42, George Hartzell wrote:

 Andriy Gapon writes:

 on 26/05/2009 19:21 George Hartzell said the following:

 Dmitry Morozovsky writes:

 On Tue, 26 May 2009, Mickael MAILLOT wrote:

 MM Hi,
 MM
 MM i prefere use zfsboot boot sector, an example is better than a long
 talk:
 MM
 MM $ zpool create tank mirror ad4 ad6
 MM $ zpool export tank
 MM $ dd if=/boot/zfsboot of=/dev/ad4 bs=512 count=1
 MM $ dd if=/boot/zfsboot of=/dev/ad6 bs=512 count=1
 MM $ dd if=/boot/zfsboot of=/dev/ad4 bs=512 skeep=1  seek=1024
 MM $ dd if=/boot/zfsboot of=/dev/ad6 bs=512 skeep=1  seek=1024

 s/skeep/skip/ ? ;-)

 What is the reason for copying zfsboot one bit at a time, as opposed
 to

  dd if=/boot/zfsboot of=/dev/ad4 bs=512 count=2

 seek=1024 for the second part? and no 'count=1' for it? :-)

 [Just guessing] Apparently the first block of zfsboot is some form of MBR
 and the
 rest is zfs-specific code that goes to magical sector 1024.

 Ok, I managed to read the argument to seek as one block, apparently
 my coffee hasn't hit yet.

 I'm still confused about the two parts of zfsboot and what's magical
 about seeking to 1024.

 g.

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Re: ZFS booting without partitions (was: ZFS boot on zfs mirror)

2009-05-28 Thread Lorenzo Perone


On 28.05.2009, at 21:46, Mickael MAILLOT wrote:


hi,

did you erase gmirror meta ? (on the last sector)
with: gmirror clear ad6


ohps I had forgotten that. just did it (in single user mode),
but it  didn't help :( Shall I repeat any of the other steps
after clearing gmirror meta?

thanx a lot for your help...

Lorenzo


2009/5/28 Lorenzo Perone lopez.on.the.li...@yellowspace.net:

Hi,

I tried hard... but without success ;(

the result is, when choosing the disk with the zfs boot
sectors in it (in my case F5, which goes to ad6), the kernel
is not found. the console shows:

forth not found
definitions not found
only not found
(the above repeated several times)

can't load 'kernel'

and I get thrown to the loader prompt.
lsdev does not show any ZFS devices.

Strange thing: if I boot from the other disk, F1, which is my
ad4 containing the normal ufs system I used to make up the other
one, and escape to the loader prompt, lsdev actually sees the
zpool which is on the other disk, and shows:
zfs0: tank

I tried booting with boot zfs:tank or zfs:tank:/boot/kernel/kernel,
but there I get the panic: free: guard1 fail message.
(would boot zfs:tank:/boot/kernel/kernel be correct, anyways?)

Sure I'm doing something wrong, but what...? Is it a problem that
the pool is made out of the second disk only (ad6)?

Here are my details (note: latest stable and biosdisk.c merged
with changes shown in r185095. no problems in buildworld/kernel):
()



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