Usually if there is more than IP in a given subnet on an interface, you
give it a /32 netmask. Only the first IP in a subnet should have the
full netmask.
So your example should look like this:
inet 10.11.16.14 netmask 0xff00 broadcast 10.11.16.255
inet 10.11.16.9 netmask 0xfff
Larry Rosenman wrote:
There is a key release timeout checkbox on the keyboard/mouse
settings tab for the KVM that wasn't checked. Checking it
fixed it.
Sorry for the noise. :(
Actually, it worked *ONCE*, and now is not behaving itself.
Any ideas from other SuperMicro users?
In the IPMI car
Jo Rhett wrote:
Because frankly we're going to be forced to run our own internal
release management process instead.
I guess this is not surprising, as this appears to be what every other
business using significant amounts of freebsd in production are doing
today.
I'm afraid you've hit the na
Mark Linimon wrote:
So, in your opinion, what's the way to reconcile all these demands
(features + stability + long-term support of release branches) with
a group that is 95%-plus volunteer effort?
Its important to me that people keep using FreeBSD. Numbers are
important. To that end I'm hap
Another thing that I believe would help: Voting on PRs.
Currently a maintainer has no idea if a PR is due to one guy's flakey
hardware or if 50 people have had the same problem and are waiting for a
fix.
For each major problem report, there are probably many people who tried
FreeBSD on part
However, as a core general purpose filesystem, it seems to have flaws, not
the least of which is a re-separation of file cache and memory cache.
For me, this doesn't matter because ZFS is so much faster than UFS
overall. Even if you don't use any of its features, the latest version
does sequent
Matthew Dillon wrote:
It can take 6 hours to fsck a full 1TB HD. It can
take over a day to fsck larger setups. Putting in a few sleeps here
and there just makes the run time even longer and perpetuates the pain.
We have a box with millions of files spread over 2TB, on a 16 disk RAID.
Zaphod Beeblebrox wrote:
Also, there
exists data within the ARC (I'm always tempted to say the ARC Cache, but
that is redundant) that is also then in paging memory.
OK, but one advantage of ZFS memory consumption is under heavy write
loads, where much of the memory is used to store and reorde
Dan Nelson wrote:
That'd be handy, but at least on my system the data prefetcher isn't
really called often enough to make a difference either way (assuming
the counts are accurate). Metadata prefetch is a big win, however.
arcstats.prefetch_data_hits: 4538242 (13%)
arcstats.prefetch_data_misse
Jeremy Chadwick wrote:
You're the first person I've encountered who has had to disable the ZIL
to get stability in ZFS; ouch, that must hurt.
Its not so bad: this machine is doing backups with rsync, sometimes
running 50 simultaneously. This workload doesn't contain any need for
synchronous
Holger Kipp wrote:
- FreeBSD 7-Stable (amd64 with 8GB RAM)
+ special tuning necessary (apart from increasing kernel memory
to 1 or more GB for ZFS)
I haven't had much luck running ZFS under heavy load on 7-stable, I was
forced to install 8-current and use the latest patch set posted by p
I am playing with an iSCSI device on FreeBSD client running UFS2 on the
device over a LAN. Everything works well until I reboot the iSCSI
server - the client pauses for a minute or so then continues working
after iSCSI server comes back. No I/O errors are reported. Everything
seems to work f
I love ZFS, but I suddenly found out last night that I
have lost the ability tto do a 'du' on a directory to work out if it will
fit onto a CD or not :-)
I have created a shell script, /usr/local/bin/dirsize :
#!/bin/sh
find $1 -type f -ls | awk '{j += $7} END {print j}'
Usage: dirsize
__
lhmwzy wrote:
where is the patch?
I can't find it in freebsd-fs@ and [EMAIL PROTECTED]
http://people.freebsd.org/~pjd/patches/zfs_20080727.patch.bz2
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T
IMO, A much better option to run on a weekly basis is to use a RAID
controller with "verify" feature (eg. 3ware) or use ZFS "scrub" mode.
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I've written a backup system using rsync's ability to generate "diff"
files using batch file mode. It works like this:
1. We take a backup of the live system and store that
2. We generate a diff batch file against an older copy
3. We update the older copy to be identical to the current copy
Nikolay Denev wrote:
Do you experience problems with the snapshots?
Last time I tried something similiar for backups the bachine
began to spit errors after a few days of snapshots.
http://lists.freebsd.org/pipermail/freebsd-fs/2008-February/004413.html
Haven't seen that one specifically, but I
Rudy wrote:
Speaking of losing data on a ZFS system, I haven't yet (knock on wood)
had a disk failure. Anyone have a disk failure occur and have an
easy/hard time replacing the bad disk?
On a system with AHCI, I can literally yank the SATA disks, zfs keeps
working after a pause, and when I r
The problem appears to be that the latest ZFS commit in 8-CURRENT relies
on too many other new features that aren't in 7.1.
After 7.1 is released, then perhaps ZFS and the other new code it
requires can be moved into 7-STABLE?
- Andrew
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lagg is ultimately a problem as a high-availability solution since most
switches do not support multi-switch 802.3ad yet, and most probably never well.
So you are limited to a single switch. So 802.3ad is good only for
aggregation, and not for high availability.
What about using STP or RS
Pete French wrote:
I was experimenting with iscsi earlier, using both a flat file as the
backing store and also a zvol. I noticed that the zvol was giving me
dreadful performance - reading at about 20 meg/second and writing at
about 12. the fklat file gives about 45 meg/second both ways.
i thouh
Oliver Fromme wrote:
On the other hand, 8-current seems to run quite stable at
the moment; I have it running on a workstation for several
weeks without problems.
What date of CURRENT are you running? I tracked down crashes related to
changes in SMBFS, but I am still experiencing almost weekly
Ivan Voras wrote:
Andrew Snow wrote:
Oliver Fromme wrote:
On the other hand, 8-current seems to run quite stable at
the moment; I have it running on a workstation for several
weeks without problems.
What date of CURRENT are you running? I tracked down crashes related to
changes in SMBFS, but
Andriy Gapon wrote:
To me it seems like fsck_y passes suboptimal flags to fsck, it doesn't
have to examine each and every filesystem in fstab.
I think think this is because it does a quick check first to see if it
can run the fsck in background after boot into multi-user mode.
If it cannot,
I think that if you use eSATA you probably need dedicated eSATA
controller ports. eSATA standard specifies a higher voltage for the
longer cable distances.
Judging from the sporadic problem reports, Promise TX4 is probably not
the best at signal purity to begin with so using it for eSATA pu
Andriy Gapon wrote:
Previously I heard about problems with hardware running hot, but not
with it being "cold". I put the word in quotes, because the system is in
a room with normal room temperature.
Any guesses what hardware part might be acting up like this?
Power supply. Give all the capaci
Dmitry Morozovsky wrote:
am I right concluding that under FreeBSD jail there is no way to attach two
processes to the same port of external interface address and localhost?
I tried to move rather standard two-tier nginx(ip:80)+apache(127.1:80) scheme
into a jail and on apache start got
In Fr
Ivan Voras wrote:
It is true that ZFS in theory doesn't do very well with random writes of
any kind - the kind that torrent clients do should actually be the worst
case for ZFS, *but*, this very much depends on the actual workload.
ZFS has aggressive read-ahead for sequential read-aheads, so
Hi Mikhail, I assume these tests were done on UFS. Have you tried ZFS?
I'm curious to see the results.
- Andrew
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Jordi Espasa Clofent wrote:
¿Is there some ionice(1) equivalent in FreeBSD?
No.
- Andrew
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http://www.supermicro.com/products/motherboard/ATOM/ICH9/X7SPA.cfm?typ=H
Supermicro just released a new Mini-ITX fanless Atom server board with
6xSATA ports (based on Intel ICH9) and a PCIe 16x slot. It takes up to
4GB of RAM, and there's even a version with KVM-over-LAN for headless
operat
The statements about the scheduler flipping between cores is also
somewhat false, ULE does the right thing now for long-running
computational threads.
Furthermore, I can't see how a Gflops benchmark which fits in the CPU
cache has anything to do with the memory architecture of the operating
Demelier David wrote:
I'm so sad because FreeBSD is the one which can runs almost perfectly on
my laptop. But it freezes. Sometime I just do anything and I want to
click on a link in firefox, or open a terminal and then freeze.
Sounds like a problem with the X graphics d
Hello,
Can anyone help me try and work out what went wrong here?
I am running on 7.0-PRERELEASE on amd64. However, the file kern_event.c
hasn't changed anytime since then in 7-STABLE.
Fatal trap 12: page fault while in kernel mode
cpuid = 2; apic id = 02
fault virtual address = 0x9a050
Pete French wrote:
I did some benchmarking, and "load" gives me a bit better performance than
"round-robin" so I've elected to use that. Haven't tried "prefer" as
syncing all the drives backwards and forwards to get the preferences set
seems a bit too much like hard work!
I use this patch for s
Zaphod Beeblebrox wrote:
I use this patch for sbin/geom/class/mirror/geom_mirror.c
Change:
md.md_priority = i - 1;
To:
md.md_priority = i - 1 + 100;
I hate to ask for the "right" solution, but shouldn't we be patching
the gmirror userland to accept a priority argument t
Karl Denninger wrote:
I assume SCSI is the best path forward (either SA/SCSI or traditional) but
have been out of the loop on the card(s) that work properly for a good long
while.
I've used several of the new 3ware SATA PCI-express cards: 2, 4 and 16
ports. They always work really well under F
I havent looked at the code in detail, but I can't see that it would be too
difficult. What do people think ?
If the first drive is always priority=0, then it is going to be stuck at
the highest priority, or under your plan, the lower priority.
My original idea OTOH (starting the counting at
But I think that it is not "fair" that at re-lock former
owner gets the lock immediately and the thread that waited on it for
longer time doesn't get a chance.
I believe this is what yield() is for. Before attempting a re-lock you
should call yield() to allow other threads a chance to run.
(
Arnaud Houdelette wrote:
I also tried with tso disabled. Same results. Is it related to the re(4)
driver ? Or to the TCP stack ?
Having used em driver with 7-RELEASE and 7-STABLE, I can assure you that
large MTU size (9100) works well and gives 100mb/s transfer rates easily.
So I can only co
The problem is not powerd but cpufreq. While cpufreq appears to work
well on my Athlon X2, it has never worked on any of my Core2Duo or
Core-based Xeon servers.
This is a great shame as these newer Intel chips have the capability to
clock up and down very quickly and seamlessly.
Who can f
Evren Yurtesen wrote:
When you say that it doesnt work, does it give an error or? In my case
it doesnt give any errors just says it set it but I see that nothing is
set.
Here's one box:
CPU: Intel(R) Core(TM)2 Duo CPU E8500 @ 3.16GHz
cpu0: on acpi0
est0: on cpu0
est: CPU supports Enhance
Andy Kosela wrote:
Then you can even
remotely mount iso images from your laptop at home directly on the
server (very handy sometimes).
Incidentally, when I tried to use a Supermicro IPMI card for networked
remote media, FreeBSD boot loader crashed the machine (video went
haywire and it didnt
Jeremy Chadwick wrote:
Supermicro IPMI cards are notoriously buggy. A few of the system
engineers at Yahoo! who I know continually bitch and moan about how
horrible they are. My advice: do not install the IPMI card which is
causing your problems.
The remote KVM control feature was an importan
Jeremy Chadwick wrote:
Okay, so then your original comment ("The same thing happened when
trying to use a USB CDROM drive, so I suspect USB boot support is at
fault somehow") might actually not be caused by FreeBSD at all? The
reason I say that:
OK, good point. I didn't try any other OS, I ju
Joe Kelsey wrote:
The entire problem comes down to the definition of -RELEASE. Jo
apparantly feels that they can ONLY run -RELEASE branded code at their
workplace. That means that they cannot run any form of -STABLE.
Interesting, and unfortunate. Empirically, I always felt that the
-STAB
Xin LI wrote:
Speaking as my own: Base system needs more conservative QA process, e.g.
...
rushing into a "presumably patched" state would not be a very good
solution.
I second this opinion. When there is hype all over the net about a new
vulnerability, it is too easy to allow ill-considere
Matthew Dillon wrote:
Try that first. If it helps then it is a known issue. Basically
a combination of the on-disk write cache and possible ECC corrections,
remappings, or excessive remapped sectors can cause the drive to take
much longer then normal to complete a request. The
We have deployed an IMAP server running on Cyrus on FreeBSD 6.2, with a
500GB UFS2 partition mirrored with geom_mirror and geom_gate across a
dedicated 1gbps link.
It has proven to be very stable and reliable after appropriate tweaking.
The uptime of the mirror is usually 1-3 months, someti
I heartily recommend 3ware controllers for FreeBSD 6/7, even if you only
need 2 ports.
- Andrew
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Perhaps you used "gmirror configure" instead of "gmirror label" when you
created the gmirror?
You need to use "label" mode to actually save the configuration to disks
for use on next bootup.
- Andrew
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h
Sorry, I meant "label -h" instead of just plain "label"... was getting
confused with gstripe.
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Ivan Voras wrote:
I seem to remember hearing an anecdote somewhere that using hundreds
(or thousands?) nullfs mounts for jails results in unreasonably bad
file system access performance. Does somebody have this kind of setup
/ is it true?
I'm using about several readonly nullfs mounts per jail:
Here's the steps I use to create a 1GB USB image:
# dd if=/dev/zero of=bootable.image bs=1m count=1 oseek=1000 conv=sparse
# mdconfig -a -t vnode -f bootable.image -u 0
# newfs -m 0 -o space -n /dev/md0
# mount /dev/md0 /mnt
# cd /usr/src
# make installworld DESTDIR=/mnt
# make distribution DES
Mikhail T. wrote:
dump 0aCf 64 /ibm/ibmo.0.2009-03-24.dump /old
DUMP: WARNING: should use -L when dumping live read-write filesystems!
I thought you said it was a read-only filesystem?
In my experience, restore can sometimes throw warnings if you dump a
live filesystem. It might be
Mikhail T. wrote:
> Now can one get /real/ support for the most basic functionality of the
> most advanced modern Unix in the world? Thanks,
I think before this goes any further, you will need to try
rebooting/unmouting it, running fsck on it, and then dump the unmounted
partition and see how that
Mikhail T. wrote:
> To qualify for your (and your kind's) recognition then, a person
> needs to have at least as much extra storage capacity as the
> largest filesystem they are backing up. They also need
> non-trivial scripting abilities, because the OS doesn't
> include anything like what you ar
Miroslav Lachman wrote:
are there somebody with some experiences (bad or good) with Supermicro
Twin servers? Mainly with 2U model 6026TT-TF or 1U model 6016TT-TF build
on top of Intel 5520 Tylersburg (or any other?)
They lack PS2 ports so you need USB keyboard to work properly. When I
tried
Pat Wendorf wrote:
I spoke too soon I guess: A buddy of mine at the hosting provider took down
the box and did a fsck -y on the var partition, this seems to have cleaned
it up. It looks like the regular fsck -p could not repair it.
You may like to put fsck_y_enable="YES" in your /etc/rc.conf,
Mahlon E. Smith wrote:
Strangely, the ETA is jumping all over the place, from 50 hours to 2000+
hours. Never seen the percent complete over 0.01% done, but then it
goes back to 0.00%.
Are you taking snapshots from crontab? Older versions of the ZFS code
re-started scrubbing whenever a snaps
Patrick M. Hausen wrote:
You cannot escape the poor write performance of RAID 5 and
comparable setups with or without hardware. No matter how
much you cache, one time a block must be written to disk.
ZFS RAIDZ works differently: It is based on variable-sized blocks
written to the disks based
The performance of ZFS is quite bad when the volume is nearly full
anyway. I would recommend creating a parent filesystem with a space
limit of 90% of the pool size, and then creating your other filesystems
under that.
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How did you expand the filesystem onto the new volume? UFS2 expansion
is not supported.
I originally created the concatted disk in two steps. First I created
the concat on my new mirrored disks and copied the files from my
existing mirror in there. Second I appended the existing mirror to
Pierre-Luc Drouin wrote:
I have an overclocked i7 920 CPU for which I have enabled Turbo Mode in
the BIOS (21x multiplier). The base clock is set at 190 MHz, so the CPU
frequency with Turbo mode activated should be 3990 MHz. However the
maximum value FreeBSD amd64 shows for the CPU frequency i
Peter C. Lai wrote:
What is the status of growfs(8) then?
As far as I can tell, it doesn't work reliably with UFS2 partitions, and
it doesn't work at all with large partitions.
People who do try to use it, can end up with corrupted filesystems...
and the code is currently unmaintained.
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