vfs.hammer) but they are already tuned.
The only real adjustments you might want to make would be if you also
were running swapcache with a SSD.
-Matt
Matthew Dillon
dil
, with no added overhead to use it.
-Matt
Matthew Dillon
dil...@backplane.com
essentially a 'writable snapshot'
as the mount.
So it's a very interesting area but complex and difficult to implement
properly under any circumstances.
-Matt
Matthew Dillon
Also note that you may be able to get more detailed information
on the problem using smartctl:
pkg_radd smartmontools
smartctl -d sat -a /dev/daXXX (where daXXX is the correct device for
the SSD).
In particular look at the wear
:
:On Wed, Aug 8, 2012 at 10:44 AM, Matthew Dillon
:dil...@apollo.backplane.com wrote:
:
: Full graph spanning tree protocol so there can be loops, multiple ways
: to get to the same target, and so on and so forth. The SPANs propagate
: the best N (one or two) paths for each
:
:On Monday 13 August 2012 12:30:05 Matthew Dillon wrote:
: Well, a 2.8 CD wouldn't have worked but you now burned a more recent
: CD and you are getting the panic again? The question is what is the
: console output above the 'lockmgr' line ? i.e. all I see there is
: part
:On Monday 13 August 2012 15:38:46 Matthew Dillon wrote:
:If you have a DDB prompt you can hit the scoll-lock button and then
:cursor up.
:
:HAMMER(ROOT) recovery check seqno=7a824b53
:recovery range 308735b0-30878e48
:recovery nexto 30878e48 endseqno=7a824c80
Hammer2 continues to progress. I've been working on the userland
spanning tree protocol.
* The socket/messaging system now connects, handshakes with public
key encryption, and negotiates AES keys for the session data stream.
* The low level transactional messaging
SSD can be limited to e.g. 40 MBytes/sec writing. A 200GB SSD
with a 6GBit/sec SATA phy can do 400 MBytes/sec writing and exceed
500 MBytes/sec reading. Big difference.
-Matt
Matthew Dillon
will definitely want to turn pruning on, it doesn't do all that much
I/O and its needed to clean up the fine-grained snapshots. Rebalance,
dedup, and recopy can be left turned off.
-Matt
Matthew Dillon
Also on the D5* atoms on FreeBSD it would be nice to check that it
actually works as advertised, by running a few cpu-bound processes
(i.e. for (;;); ) and measuring the watts being burned at different
frequencies. That's the real proof that the frequency scaling is doing
Matthew Dillon
dil...@backplane.com
to 'hammer recover' it to another filesystem on a different partition,
but that particular filesystem looks like it is toast to me.
-Matt
Matthew Dillon
dil...@backplane.com
Matthew Dillon
dil...@backplane.com
the softlinks from the output.
-Matt
Matthew Dillon
dil...@backplane.com
Matthew Dillon
dil...@backplane.com
Normally this issue can be fixed by setting the BIOS to access the
disk in LBA or LARGE mode. The problem is due to a bug in the BIOS's
attempt to interpret the slice table in CHS mode instead of logical
block mode. It's a BIOS bug. These old BIOS's make a lot of assumptions
installations intact.
-Matt
Matthew Dillon
dil...@backplane.com
: I consider it almost a lost cause.
:
:
:Don't get it: trying to fix this is a lost cause?
Yah, because if we fix it for one BIOS we break it for another.
Hence, a lost cause. There is no single fix which covers all BIOSs.
-Matt
:Hi.
:
:The latest commit on pkgsrcv2.git is 8ce625e3, which is from
:9 days ago. But I see more commits after this date on
:pkgsrc-changes@.
: http://mail-index.netbsd.org/pkgsrc-changes/
:
:Could someone take care of it?
:
:Best Regards,
:YONETANI Tomokazu.
Ok, working on it. Grr, that
. It already takes
crater between 1 and 2 hours to run the cvs-git script so for now I
am still leaving it set to do an incremental checkout.
-Matt
Matthew Dillon
dil
! The ghost in the machine strikes again!
We should probably modify the script to blow the directory away once
a week just to make sure it can auto-recover from that situation.
-Matt
Matthew Dillon
.
-Matt
Matthew Dillon
dil...@backplane.com
if you have unpacked the sources
should be where this kprintf() resides).
-Matt
Matthew Dillon
dil...@backplane.com
' in the
boot loader.
-Matt
Matthew Dillon
dil...@backplane.com
I think the answer is probably 'no'. We don't try to make the system
work with such a small amount of memory. It should be able to boot
with 128MB of ram or more, though to really be decent a more contemporary
machine is necessary.
It might boot on less memory... in fact it
since the last posting.
-Matt
Matthew Dillon
dil...@backplane.com
months that other people
can help too.
Ok, here's what I have got.
HAMMER2 DESIGN DOCUMENT
Matthew Dillon
08-Feb-2012
dil...@backplane.com
* These features have
of the transaction ids it
lists.
-Matt
Matthew Dillon
dil...@backplane.com
.
-Matt
Matthew Dillon
dil...@backplane.com
and a 200G SSD for swapcache.
-Matt
Matthew Dillon
dil...@backplane.com
on a new, better web-based mailing list management interface is
ongoing. We know the old mail-based bestserv stuff has gotten a bit
too crufty.
-Matt
Matthew Dillon
dil
is suid and sgid. Maybe a simple 'LPR_USE_PKGSRC'
env variable that could be set to '1'.
-Matt
Matthew Dillon
dil...@backplane.com
:
:Again the site is down (GMT 08:53:45 Decemeber 27, 2011). Make me
:worry whether I could really go for a dfbsd production server?!!!
And there will probably be downtime in the future. The machines behind
our web site typically run the absolute latest development code and
we
fallback hardware is the only
way to go. Soft-raid won't cut it.
-Matt
Matthew Dillon
dil...@backplane.com
:
:Thanks for the pointer, but again the dragonflybsd site is down (GMT
:08:53:45 Decemeber 27, 2011) to access the link Justin pointed to:
:leaf.dragonflybsd.org/mailarchive/commits/2009-12/msg00068.html. :-(
Insofar as I can tell the site is up, accessed from the outside internet.
on
avalon (which routes dragonfly's internal network via openvpn) which
I thought I had fixed but hadn't. The site should be accessible again.
-Matt
Matthew Dillon
dil
:I'm running du on snapshots to see how much space is taken by work directories
:(which will stick around for over another month; the downloaded tarballs will
:disappear in just a few days). I got this error:
:
:# du -s /var/hammer/usr/snap-20111?11*/pkgsrc/
:du:
Hello everyone! First, I apologize for the aborted 2.12 release. We
got as far as rolling it but I decided to make a real push to try to
fix the occassional random seg-fault bug that we were still seeing
on 64-bit at the time.
The seg-fault issue has now been resolved, I
Matthew Dillon
dil...@backplane.com
/6e73105ec5492ebba66b83ced8a62e16f87e0498
-Matt
Matthew Dillon
dil...@backplane.com
binaries developers have compiled in their leaf accounts
will have to be recompiled.
Our repository box will probably be upgraded Thursday afternoon.
-Matt
Matthew Dillon
Sorry folks, the cvs2git scripts were running only the base
conversion for the 2011 pkgsrc branches and not running the
synchronization pass to fixup missing bits.
I've adding the synchronization pass for all 2011 branches. It will
be a few hours before it gets them synced
be really nice after that, particularly for
developers who use leaf regularly.
This will occur Wednesday and/or Thursday if all goes well.
-Matt
Matthew Dillon
dil
) but
that might be related to some of the lwkt_yield()s added and not so
much the PQ_INACTIVE/PQ_ACTIVE vm_page_queues[] changes.
-Matt
Matthew Dillon
dil...@backplane.com
A process which is sleeping most of the time will tend to be scheduled
on whatever cpu is available. From the perspective of the scheduler
which may switch between user processes on a 1/100 second clock a
process which uses the cpu heavily will tend to be scheduled on the
same
It is a bug, it shouldn't have removed the softlink for the PFS. However,
the
only way to destroy a pfs is with pfs-destroy and since you didn't do that
the
PFS is still intact.
All you have to do is re-create the softlink.
The PFS softlink points to @@-1:n Where 'n'
was being ignored before and now works as well.
-Matt
Matthew Dillon
dil...@backplane.com
I think master currently has a VM issue somewhere (in software). I'm
sometimes getting an internal compiler error when building the world,
too.
-Matt
Matthew Dillon
:I have been using pkgsrc from our git mirror (pkgsrcv2), but I recently
:noticed some patches were missing as it caused me to submit a bad patch
:to pkgsrc while fixing multimedia/xine-lib port, and since then I've
:found many missing files.
:
:I pulled pkgsrc via CVS and created a script to
Ok, I upgraded rsync to the latest version and it appears to work now.
I think it might have been a protocol incompatibility between the
older rsync crater was running (2.something) verses the current version
3.0.8.
I will manually run the pkgsrc updating script, please check
:Hi Matt,
:It looks much better now.
:All the MISSING files have been restored.
:There are still some DIFF files making it through the script. I
:increased the regex to filter out $Revision[:$] and $Date[:$] as well as
:$Id[:$] and $NetBSD[:$], and the attached file shows what is left.
:
:The
Matthew Dillon
dil...@backplane.com
.
-Matt
Matthew Dillon
dil...@backplane.com
The problem here is that cpdup'ing /pfs will result in the wrong
symlinks on the target filesystem because the PFS IDs are different on
the target filesystem. There is nothing cpdup can do here to help,
you have to tell it to ignore the pfs directory (see -x option to cpdup
Matthew Dillon
dil...@backplane.com
The DragonFly network is being renumbered. Hopefully it will be painless
but we're doing it in stages and there may be some disruption.
-Matt
Matthew Dillon
dil
:http://www.dragonflybsd.org/release210/ has MD5 sums listed there. I
:don't have access to crater to update the md5.txt file, though.
Ok, I pasted them into md5.txt.
-Matt
:I'm thinking of founding an ISP and running it with a mix of DragonFly and
:Linux boxes. My current boss showed me a rack-mountable server which he uses.
:If I understood him right, it has three bays where hot-swappable SCSI drives
:can be inserted. I was thinking about how to handle disks
Arrays
No, it just means a block of memory being used for mutexes suffered
from a copy-on-write (probably due to a fork()). The mutex code
in the kernel deals with this situation automatically. It was just
some old debugging cruft.
Matthew
:Siju,
:
:I NFS mount /usr/src and /usr/obj in the slow machine (being the NFS
:server the faster machine) and then I issue the usual
:installkernel/installworld/upgrade commands.
:
:Cheers,
:Antonio Huete
I do the same thing. In fact, sometimes I even NFS-mount /usr/obj
across the
the
monopoly and intentionally keeps AMD as a poor second cousin to keep
the anti-trust hounds at bay. Sorry AMD, I love you but I can only
support you in some ways :-( )
-Matt
Matthew Dillon
Here is a fun statistic. For running a server 24x7 how many days
do you have to run the Intel i7 vs the phenom II to make up for the
$100 difference in the price tag?
Using a generous 65W for the AMD and 33W for the intel, assuming
a mostly idle server, and $0.25/kWh, you get
.
-Matt
Matthew Dillon
dil...@backplane.com
:Hello!
:I can't download pkgsrc-repository via git. I got such message:
:* [new branch] dragonfly-2010Q3 - origin/dragonfly-2010Q3
:
:May 4 17:24:10 kernel: pid 801 (git), uid 0: exited on signal 10 (core
:dumped)
:*** Signal 10
:Stop in /usr
:
:What's wrong?
Check your
On the other core dumps, I'm not sure what is going on but make sure
the repo and the source tree is fully owned by the user (you or root)
doing the git operations.
I don't rebase often myself.
One possibility is that the pthreads per-thread stack is too small,
and the
:I see this message on halt/reboot occasionally. Is it something I need to
:worry about?
:
:Synching disks...
:done
:No strategy for buffer at 0xffe056aabf00
:: 0xffe0840876a8: type VBAD, sysrefs 1, writecount 0, holdcnt 0,
:Uptime: 12h9m53s
:the operating system has halted
:\
:
:Tim
.
/etc/dntpd.conf is installed by default with {0,1,2}.pool.ntp.org.
-Matt
Matthew Dillon
dil...@backplane.com
with
the AHCI and SILI drivers.
-Matt
Matthew Dillon
dil...@backplane.com
cache before getting thrown away, and will be re-read as needed.
-Matt
Matthew Dillon
dil...@backplane.com
made it into the release, so
significant improvements in concurrent random disk I/O for AHCI-attached
devices should be noticeable.
-Matt
Matthew Dillon
dil
hash algorithm changes.
That's the only issue w/ regards to upgrading.
-Matt
Matthew Dillon
dil...@backplane.com
Matthew Dillon
dil...@backplane.com
token and is
the only real bottleneck left.
-Matt
Matthew Dillon
dil...@backplane.com
box
with an older $100 SSD in it.
-Matt
Matthew Dillon
dil...@backplane.com
to ruse39's issue).
-Matt
Matthew Dillon
dil...@backplane.com
The IP space for the primary dragonflybsd.org network has been
reworked, please report any problems!
-Matt
Matthew Dillon
dil...@backplane.com
Matthew Dillon
dil...@backplane.com
:
:Great news!
:
:Is there any chance to support more features in the bridge code? RSTP,
:span port , filtering based on mac address
.
:
:Godot
RSTP would be doable as a GSOC project, I think it would be
very easy to implement. Perhaps almost too easy but if someone
were to do it I
:On 02/24/11 11:50, Matthew Dillon wrote:
:
: http://apollo-vc.backplane.com/DFlyMisc/bridge1.txt
: http://apollo-vc.backplane.com/DFlyMisc/bridge2.txt
:
:So - reading over this - is it correct that the setup is roughly like:
:
:- assign a local interface (lan0) to a network
:- add
:Hi,
:
:So I deciced to format the master drive to install the system on and
:then get back my data from the slave. But, that's not cool, when I try
:to mount I get this message Not a valid HAMMER filesystem.
:
:Did I destroyed the filesystem by installing the bootblock on both disks ?
:Can I get
Hahaha... ok, well, I spoke too soon. U-Verse is a piece of crap.
That's my conclusion. Here's some detail:
* The physical infrastructure is fine, as long as you make sure
there's no packet loss. To make sure you have to upload and
download continuously at
:This was a 1.8.2 system. Having a 1.9 system handy, I plugged the drive
:(300GB IDE) into it and tried hammer recover for the first time to see what
:I could save. The good news is that it's recovering a ton of data! The bad
:news is that it's taking an incredible amount of time. So far it's
:
:Thanks for your reply.
:
:I don't remember if I installed it on a disklabel or a slice. I will
:be able to know what I did once I get the usb flash disk with the
:system and look at the fstab.
:
:Hopefully, I didn't lose data because I did several backups before :-)
Ok, if the data is
Matthew Dillon
dil...@backplane.com
and really began to miss it once I started
doing parallel pkgsrc bulkbuild tests.
-Matt
Matthew Dillon
dil...@backplane.com
-Matt
Matthew Dillon
dil...@backplane.com
:The guy who gave me the box says he has another one like it, but one is
:hyperthreaded and the other isn't. Here's the beginning of dmesg. Is it
:hyperthreaded, and if so, should I compile a kernel to take advantage of it?
:
:CPU: Intel(R) Pentium(R) 4 CPU 2.80GHz (2793.02-MHz 686-class CPU)
:
. That baby has 1 core and 2 hyperthreads.
In anycase, it is worth running a SMP kernel on it.
-Matt
Matthew Dillon
dil...@backplane.com
:On Sunday 30 January 2011 22:43:01 Matthew Dillon wrote:
: :I still get this warning. Is it ever going to be fixed?
: :
: :Pierre
:
: I could remove the kprintf I guess and have it just reported by
: hammer cleanup.
:
:Is the number of buffers something I can change, or is it determined
:Hi,
:I had read in november that there was plans for 2.8.3 release coming.
:I plan to install a server next week with 2.8.2, but i will delay install if
:2.8.3 is coming in few more weeks.
:Someone got an estimation of release date?
:Thanks
:Damian
:
:--
:http://dfbsd.trackbsd.org.ar
It's
+client on your server and then setenv DISPLAY server:0.0
on your client.
Even though the link is remote both machines might still need
at least the fonts installed.
-Matt
Matthew Dillon
ipfilter can be removed.
-Matt
Matthew Dillon
dil...@backplane.com
keeping a watch on its stability.
-Matt
Matthew Dillon
dil...@backplane.com
Avalon has been shipped back and should be online again by Monday.
It's been upgraded with a 80G SSD and a 1TB and 2TB HD, in addition
to the 750G Seacrate. The other 750G HD (with the read error) has been
removed. The SSD is set up for meta-data caching and the bulk build
:Hi all,
:
:HEAD users only.
:
:It could panic your system upon TCP activities, so please backup your
:working kernel :). If the panic happens, please send us the link to
:the core dumps.
:
:Thank you for your help in advance.
:
:Best Regards,
:sephe
Crater crunched on this. I could not get
I'd rather not change the DNS, it could create confusion for the
mirrors. And it will probably confuse the hell out of crater and
pkgbox64 too.
-Matt
directive to exhaustively locate and copy
the directory tree to another hammer filesystem on different media.
-Matt
Matthew Dillon
dil...@backplane.com
of the data on the physical media winds
up being different than what the HAMMER recovery code expects.
On a real system the disk flush command actually works properly.
-Matt
Matthew Dillon
caches. What VM were you running it on?
-Matt
Matthew Dillon
dil...@backplane.com
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