g-incremental-backups/
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Constantin Gonzalez Sun Microsystems GmbH, Germany
Principal Field Technologist Blog: constantin.glez.de
Tel.: +49 89/4 60 08-25 91
/
Constantin Gonzalez Sun Microsystems GmbH, Germany
Principal Field Technologist Blog: constantin.glez.de
Tel.: +49 89/4 60 08-25 91 Twitter: @zalez
Sitz d. Ges.: Sun Microsystems GmbH, Sonnenallee 1, 85551 Kirchheim
eone can
correct me here), the only way to do that is run a scrub-like process and
build up a table of files and their blocks.
Cheers,
Constantin
--
Constantin Gonzalez Schmitz | Principal Field Technologist
Phone: +49 89 460 08 25 91 || Mobile: +49 172 834 90 30
Oracle Hardware Presales German
look something?
Thanks,
Constantin
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Constantin Gonzalez Sun Microsystems GmbH, Germany
Principal Field Technologisthttp://blogs.sun.com/constantin
Tel.: +49 89/4 60 08-25 91 http://google
Cheers,
Constantin
--
Sent from OpenSolaris, http://www.opensolaris.org/
Constantin Gonzalez Sun Microsystems GmbH, Germany
Principal Field Technologisthttp://blogs.sun.com/constantin
Tel.: +49 89/4 60 08-25 91 http://google.com/search?q
p://breden.org.uk/2008/03/02/a-home-fileserver-using-zfs/
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Sent from OpenSolaris, http://www.opensolaris.org/
Constantin Gonzalez Sun Microsystems GmbH, Germany
Principal Field Technologisthttp://blogs.sun.com/constantin
Tel.: +49 89/4 60 08-25 91
blocks that were
unforeseen. And that can be a lot, too, as everone who has seen cluttered
desktops full of downloaded files can probably confirm.
Cheers,
Constantin
--
Constantin Gonzalez Schmitz, Sales Consultant,
Oracle Hardware Presales Germany
Phone: +49 89 460 08 25 91
1]: http://blogs.sun.com/roch/entry/nfs_and_zfs_a_fine
[2]: http://blogs.sun.com/perrin/entry/slog_blog_or_blogging_on
--
Constantin Gonzalez Sun Microsystems GmbH, Germany
Principal Field Technologisthttp://blogs.sun.com/constantin
Tel.: +49 89/4
choose whether they
want to honor COMMIT requests or not.
Disabling ZIL on a per filesystem basis is only the second best solution, but
since that CR already exists, it seems to be the more realistic route.
Thanks,
Constantin
--
Constantin Gonzalez Su
Hi,
Bob Friesenhahn wrote:
> On Wed, 22 Oct 2008, Neil Perrin wrote:
>> On 10/22/08 10:26, Constantin Gonzalez wrote:
>>> 3. Disable ZIL[1]. This is of course evil, but one customer pointed out to
>>> me
>>> that if a tar xvf were writing loca
27;ll
> see some supported PCIe cards by next Spring.
> --
> This message posted from opensolaris.org
> ___
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> zfs-discuss@opensolaris.org
> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
--
Constantin Gonzalez Sun M
Hi,
Bob Friesenhahn wrote:
> On Thu, 23 Oct 2008, Constantin Gonzalez wrote:
>>
>> Yes, we're both aware of this. In this particular situation, the customer
>> would restart his backup job (and thus the client application) in case
>> the
>> server dies.
ing is only
supported on the K10 architecture. But don't expect to much power saving from
it. A lower voltage yields far greater savings than a lower frequency. In
september I'll do a post about the afore mentioned M4A boards and an lsi sas
controller in one of the pcie x16 slots.
--
Con
Cryptographic Framework:
http://www.opensolaris.org/os/project/crypto/inprogress/padlock/
Cheers,
Constantin
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Constantin Gonzalez Sun Microsystems GmbH, Germany
Principal Field Technologisthttp://blogs.sun.com/constantin
Tel.: +49 89/4 60 08-25
em for a while.
The IDR I was sent appears to have fixed the problem. I have been
abusing the box for a couple of weeks without any lockups. Roll on
update 8!
Was that IDR140221-17? That one fixed a deadlock bug for us back
in May.
--
Constantin Gonzalez Sun M
move as early as possible, but IMHO
this is not an objective barrier to entry for ZFS.
Note my use of the word "objective". I do feel that we have to implement
zpool remove for subjective reasons, but that is a non technical matter.
Is this an agreeable summary of the situation?
Bes
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineering http://www.sun.de/
Tel.: +49 89/4 60 08-25 91 http://blogs.sun.com/constantin/
Constantin
>
> thx & bye
> christian
>
> Artem Kachitchkine schrieb:
>>
>>> Brilliant video, guys.
>>
>> Totally agreed, great work.
>>
>> Boy, would I like to see Peter Stormare in that video %)
>>
>> -Artem.
>
--
Constantin
at a good
redundancy/performance compromise.
Hope this helps,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineering http://www.sun.de/
Tel.: +49 89/4 60 08-25 91 http://blogs.sun.com
than the german one :).
Have fun,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineering http://www.sun.de/
Tel.: +49 89/4 60 08-25 91 http://blogs.sun.com/constantin/
Sitz d.
pool, then run a send (-i) orgy?
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineering http://www.sun.de/
Tel.: +49 89/4 60 08-25 91 http://blogs.sun.com/constantin/
S
end pool | zfs receive dest and
all blocks would be transferred as they are, including all embedded snapshots.
Is that already an RFE?
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineer
nd a final incremental snapshot then zfs set mountpoint=x to the new
filesystem, then bring up the services again.
Hope this works as I imagine.
Cheers,
Constantin
Matthew Ahrens wrote:
> Constantin Gonzalez wrote:
>> What is the most elegant way of migrating all filesystems to the new
&g
Rob T
> _______
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> zfs-discuss@opensolaris.org
> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
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Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Syste
t.
- When using disks, you need to consider availability, performance and space.
Of all the three, space is the cheapest. Therefore it's best to sacrifice
space and you'll get better availability and better performance.
Hope this helps,
Constantin
--
Constantin Gonzalez
nless ZFS itself
does it.
But maybe someone from the ZFS team can clarify this.
Cheers,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineering http://www.sun.de/
Tel.: +49 89/4 60 08-25 91
measure how much CPU overhead RAID-Z and RAID-Z2 parity
computation induces, both for writes and for reads (assuming a data disk
is broken)? This data would be useful when arguing for a "software RAID"
scheme in front of hardware-RAID addicted customers.
Best regards,
Constantin
fine.
What and how does ZFS tell rmvolmgr that a particular set of disks belongs
to ZFS and should not be treated as removable?
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineering
? What if the pool is
composed out of two mirrors? Can I attach devices to both mirrors, let them
resilver, then detach them and import the pool from those?
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Globa
y with no known data
errors and the destination pool is brand new and I'm scrubbing it as we speak.
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineering http://www.sun.de/
Tel.: +49
zpool send/receive would be the better way of implementing
5097228 in the first place?
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineering http://www.sun.de/
T
s kinda strange. This means, that we'll need to zfs unmount, then
zfs rollback a lot when doing send/receive on a regular basis
(as in weekly, daily, hourly, minutely cron-jobs) to be sure. Or keep any
replicated filesystems unmounted _all_ the time.
Best regards,
Constantin
>
> Tre
s (other than the t_optmgmt bug)
- Then migrated to ZFS boot
- Now the sharetab issues shows up.
So why did the sharetab issue only show up after the ZFSification of the
boot process?
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platfo
replicate to, but just use it as a sink for backup purposes, you can mark
it unmountable, then just send stuff to it.
zfs set canmount=off pool/filesystem
zfs rollback (latest snapshot, one last time)
Then, whenever you want to access the receiving filesystem, clone it.
Hope this help
alid even if I didn't work for Sun.
So please take this email as being written by a private ZFS user and not
a Sun employee.
So, again, thank you so much ZFS team and keep up the good work!
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH,
e in the RAID-Z set during certain circumstances and
therefore slightly affect the performance of the RAID-Z vdev.
Hope this helps,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineering http://www.
changed between the clone and the reboot, but is there anything else?
- Did someone already blog about this and I haven't noticed yet?
Cheers,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineerin
t too?
Cheers,
Constantin
>
> http://blogs.sun.com/timh/entry/friday_fun_with_bfu_and
>
> lori
>
> Constantin Gonzalez wrote:
>> Hi,
>>
>> I'm a big fan of live upgrade. I'm also a big fan of ZFS boot. The
>> latter is
>> more import
all recursive snapshots correspond to the same
moment in time.
Or did you mean send -r?
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineering http://
for my country.
There are also some new ZFS slides that go with it, also in german.
Let me know if you have any suggestions.
Hope this helps,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineering ht
some confidence before doing it in production.
I have a script that automatically does 1-6 that is looking for beta
testers. If you're interested, let me know.
Hope this helps,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Te
rom the 250GB drive then
went into a scratch pool.
Kinda like playing Tetris with RAID-Z...
Later, I decided using just paired disks as mirrors are really more
flexible and easier to expand, since disk space is cheap.
Hope this helps,
Constantin
--
Constantin Gonzalez
on ZFS. It's full of new concepts and one needs
some getting used to to explore all possibilities.
Cheers,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineering http://www.sun.de/
Tel.: +49 8
between space and reliability.
Hope this helps,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineering http://www.sun.de/
Tel.: +49 89/4 60 08-25 91 http://blogs.sun.com/consta
lesystem to the most recent snapshot.
I've written a script to do all of this, but it's only "works on my system"
certified.
I'd like to get some feedback and validation before I post it on my blog,
so anyone, let me know if you want to try it out.
will this compatibility be here, or if it's possible now, what
> is the secret?
>
> Paul
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Maybe it's a USB issue. Have you checked:
http://www.sun.com/io_technologies/usb/USB-Faq.html#Storage
Especially #19?
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineering http:
Hi Paul,
> # fdisk -E /dev/rdsk/c7t0d0s2
then
> # zpool create -f Radical-Vol /dev/dsk/c7t0d0
should work. The warnings you see are just there to double-check you don't
overwrite any previously used pool which you may regret. -f overrules that.
Hope this helps,
Constantin
--
on zfs filesystem before receiving
> the data. I think that would be a great feature.
>
> Just some food for thought.
>
> Thanks in advance,
> Brad
>
> _______
> zfs-discuss mailing list
> zfs-discuss@opensolaris.org
> http://mail.op
Hi,
great, thank you. So ZFS isn't picky about finding the target fs already
created and attributed when replicating data into it.
This is very cool!
Best regards,
Constantin
Darren J Moffat wrote:
> Constantin Gonzalez wrote:
>> Hi Darren,
>>
>> thank you for t
in order to allow for things like
>> recompression, en/decryption, change of attributes at the dataset level,
>> etc.
>
> No need this already works this way.
>
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Globa
o separate undo-snapshots from user-triggered ones, the undo-code could
place its snapshots in .zfs/snapshots/undo .
Did I miss something why undo can't be implemented with snapshots?
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems Gm
appropriate.
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Client Solutionshttp://www.sun.de/
Tel.: +49 89/4 60 08-25 91 http://blogs.sun.com/constantin/
___
aware and if so, is it ZFS aware in S10u2b09a?
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Client Solutionshttp://www.sun.de/
Tel.: +49 89/4 60 08-25 91 http://blogs.su
r mount all ZFS
filesystems from hand, then re-run mount_all or replace the vfstab entry with
a simple symlink. Which only works until you say add_install_client the next
time.
Is this a known issue?
Best regards,
Constantin
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m' message.)
>
>
> This message posted from opensolaris.org
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> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
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e use unlink(1M) in these cases?
Best regards,
Constantin
>
> - Eric
>
> On Mon, Jul 03, 2006 at 02:23:06PM +0200, Constantin Gonzalez wrote:
>> Hi,
>>
>> of course, the reason for this is the copy-on-write approach: ZFS has
>> to write new blocks first bef
;
>
> ----
>
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sical disk at once?
I'm pretty sure ZFS is very intelligent and will do the right thing, but a
confirmation would be nice here.
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Client Solutions
ated for the gain achieved.
So what data does ZFS base it's dynamic stripig on? Does it count IOPs per
vdev or does it try to sense the load on the vdevs by measuring, say response
times, queue leghts etc.?
Best regards,
Constantin
--
Constantin GonzalezS
blocks.
- Compression can be easily switched on for some extra space
depending of the nature of the data.
See also:
http://blogs.sun.com/roller/page/bonwick?entry=raid_z
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Tech
more and the faulted state is for pools that do
not have enough valid devices to be complete.
Hope this helps,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Client Solutionshttp://www.sun.de/
Te
plistic in my view of the
underlying root of the problem?
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Client Solutionshttp://www.sun.de/
Tel.: +49 89/4 60 08-25 91 http:/
way to
deal with this, then, is to multi-thread on the application layer.
Reminds my of many UltraSPARC T1 issues, which don't sit in hardware nor
OS, but in the way applications have been developed for years :).
Best regards,
Constantin
--
Constantin Gonzalez
plied how often?
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Client Solutionshttp://www.sun.de/
Tel.: +49 89/4 60 08-25 91 h
that you may find useful".
The basic idea behind this whole thinking is to maximize utilization of free
blocks. If your disk utilization is only 50%, why not use the other 50% for
snapshots by default, that could save your life?
Best regards,
Constantin
--
Constantin Gonzalez
space on disk
for keeping snapshots as part of overall snapshot management are definitely
something that ZFS can do much better internally, as opposed to having to
implement it with some other app.
Best regards,
Constantin
--
Constantin GonzalezSun Microsystem
gards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Client Solutionshttp://www.sun.de/
Tel.: +49 89/4 60 08-25 91 http://blogs.sun.com/constantin/
__
cient or not generic
enough for all users to be really useful.
Feel free to add to the lists so we can make up our minds. Maybe this can
evolve into something the ZFS team may be interested in.
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems Gm
en go with it.
Best regards,
Constantin
Tim Foster wrote:
Hey Constantin,
On Mon, 2006-05-08 at 11:37 +0200, Constantin Gonzalez wrote:
I took the liberty of renaming the thread to $SUBJECT because I think that what
we really are looking for is an ability for ZFS to automatically manage snapshot
e above entry to see what I mean. Works great (but I had to
use -f to zpool create :) ) and gives me enough performance for all my
home-serving needs.
Hope this helps,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technolog
a customer confcall next
week with a customer asking for exactly zpool remove :).
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Client Solutionshttp://www.sun.de/
Tel.: +49 89/4 60 08-25 91 http://blogs.s
you only should do this on laptos and other machines where you only
have 1 disk or are otherwise very disk-limited :).
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Client Solutionshttp://ww
the drives
2. Find their USB serial numbers with lshal
3. Set up an fdi file that matches the disks and tells hal to ignore them
The naming of the file
/etc/hal/fdi/preprobe/30user/10-ignore-usb.fdi
sounds like init.d style directory and file naming, ist this correct?
Best regards,
Constantin
--
Cons
Hi Mark,
Mark J Musante wrote:
> On Tue, 10 Apr 2007, Constantin Gonzalez wrote:
>
>> Has anybody tried it yet with a striped mirror? What if the pool is
>> composed out of two mirrors? Can I attach devices to both mirrors, let
>> them resilver, then detach them and im
x27;cause it's quick, easy and reliable.
Cheers,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineering http://www.sun.de/
Tel.: +49 89/4 60 08-25 91 http://blogs.sun.com/constant
dm list -p claims all is well...).
Best regards and again, congratulations to the ZFS boot team!
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Global Systems Engineering http://www.sun.de/
Tel.: +49 89/4 60 08-25 9
7;t unpack everything if you just
turn off compression).
Can anybody clarify?
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Client Solutionshttp://www.sun.de/
Tel.: +49 89/4 6
ctionality (i.e. RecycleBin from within Nautilus (as it already
does), and true deletion via "rm").
-Erik
--
Constantin GonzalezSun Microsystems GmbH, Germany
Platform Technology Group, Client Solutionshttp://www.sun.de/
Tel.: +49 89/4 60
t properties may be case-insensitive. Is that the case
(sorry for the pun)? If so, that should be noted in the user defined property
definition just for clarity.
Best regards,
Constantin
--
Constantin GonzalezSun Microsystems GmbH, Germany
Pl
ance. Interesting, Teris-like calculation exercise that I'd be
happy to blog about when I'm done.
Feel free to visit my blog for how to set up your home server as a ZFS iTunes
streaming server :).
Best regards,
Constantin
--
Constantin GonzalezSu
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