woody) and has a quite good
configuration-sample.
If you need help, you can also contact me off-list as I have compiled it
just a few hours ago... :o)
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availab
es.
You'll have to write a few configuration files for all the services and
each client you want to monitor, but if all nodes in the cluster are
similar, it wont be too much work...
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network
or that: www.debian-on-proliant.com
Currently there is only a basic framework and a hardware-matrix online,
but I hope to get some real content soon - just haven't had much free
time during the last weeks.
Comments, suggestions and especially contributions are welcome!
best regards,
> Or, should I try to use Sarge?
Sarge will probably work out of the box. At least the last time I tried
I could install a DL140 without any problems...
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High
mic content - no problem at all. The HTTP-cluster next to it is
intended to handle WAY bigger loads...
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415
woody and update to sarge -
definitely a lot less work ;o)
[1] Copy it to your disk and adapt /etc/modules if you want to continue
using 2.4.18-bf24. I usually install a current kernel before I reboot
again so I don't care...
[2] I've packaged DL380G3 kernels and the corresponding .config
woody and update to sarge -
definitely a lot less work ;o)
[1] Copy it to your disk and adapt /etc/modules if you want to continue
using 2.4.18-bf24. I usually install a current kernel before I reboot
again so I don't care...
[2] I've packaged DL380G3 kernels and the corresponding .config
ce with coda, lustre or afs?
Haven't used any of them yet as I didn't need any of their features...
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\ System Consulting
Fax:+43 316 428896 \ Web Development
ce with coda, lustre or afs?
Haven't used any of them yet as I didn't need any of their features...
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 648541
l, apples and oranges...
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\ System Consulting
Fax:+43 316 428896 \ Web Development
l, apples and oranges...
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\ System Consulting
Fax:+43 316 428896 \ Web Development
ess (or switch to
# maildir style, which needs no application-level lock controls).
So if you use maildir (which you probably will with a setup like this)
you won't have any problems with NFS at all.
And yes, we run setups like this - with some hundred thousand mails per
day - and never had a
ess (or switch to
# maildir style, which needs no application-level lock controls).
So if you use maildir (which you probably will with a setup like this)
you won't have any problems with NFS at all.
And yes, we run setups like this - with some hundred thousand mails per
day - and never had a
Am Mi, den 14.04.2004 schrieb Christopher Sharp um 21:36:
> On Sat, 17 Jan 2004 16:11:26 +0100, Markus Oswald <[EMAIL PROTECTED]> wrote:
>
> >Having said that, the ProLiant ML330 come with an ATA-RAID which is
> >based on an LSI chipset (MegaIDE) which is not supported
If it's too hard (read: time invested is too high) then
> we'll go buy IBM instead for the Linux servers.
We have a lot of them in production too - BECAUSE they're fast to setup
and work flawlessly... ;o)
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \
Am Mi, den 14.04.2004 schrieb Christopher Sharp um 21:36:
> On Sat, 17 Jan 2004 16:11:26 +0100, Markus Oswald <[EMAIL PROTECTED]> wrote:
>
> >Having said that, the ProLiant ML330 come with an ATA-RAID which is
> >based on an LSI chipset (MegaIDE) which is not supported
If it's too hard (read: time invested is too high) then
> we'll go buy IBM instead for the Linux servers.
We have a lot of them in production too - BECAUSE they're fast to setup
and work flawlessly... ;o)
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \
en source to get driver image megaide.o.
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\ System Consulting
Fax:+43 316 428896 \ Web Development
en source to get driver image megaide.o.
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\ System Consulting
Fax:+43 316 428896 \ W
controller, buy the SCSI version or use a RAID
controller wich is supported by the kernel. It will save you a lot of
time and headaches... ;o)
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Avail
controller, buy the SCSI version or use a RAID
controller wich is supported by the kernel. It will save you a lot of
time and headaches... ;o)
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Avail
l for raid-5
> performance.
We have 4 160GB Maxtor drives attached to it, configured as RAID5.
If anyone is interested I can do a quick bonnie++ benchmark, though I
don't know if our card has 64MB or 128MB.
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \
or raid-5
> performance.
We have 4 160GB Maxtor drives attached to it, configured as RAID5.
If anyone is interested I can do a quick bonnie++ benchmark, though I
don't know if our card has 64MB or 128MB.
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Uni
u can grab the compiled modules from my repository
(http://people.iirc.at/moswald/linux/bf24_modules/bcm5700/) or the
source directly from Broadcom (http://www.broadcom.com/drivers/)
[1] It may work with the cciss module just as the SmartArray 5i does -
but I read somewhere about a bug in the drive
u can grab the compiled modules from my repository
(http://people.iirc.at/moswald/linux/bf24_modules/bcm5700/) or the
source directly from Broadcom (http://www.broadcom.com/drivers/)
[1] It may work with the cciss module just as the SmartArray 5i does -
but I read somewhere about a bug in the drive
rtual
console" either via an integrated webserver (which loads a java applet
to emulate the console output) or via telnet.
It's a little bit slower than the output on your normal screen but you
can setup the whole server (BIOS, RAID and OS) without connecting a
keyboard or screen at all.
rtual
console" either via an integrated webserver (which loads a java applet
to emulate the console output) or via telnet.
It's a little bit slower than the output on your normal screen but you
can setup the whole server (BIOS, RAID and OS) without connecting a
keyboard or screen at all.
e not accessible as
"normal" IDE devices (i.e. /dev/hda) so you basically get a machine
without any usable IDE interface except for one which is attached to the
CD-ROM.
If you buy one of these machines you'll either have to use a model with
SCSI controller or install an extra IDE-contro
e not accessible as
"normal" IDE devices (i.e. /dev/hda) so you basically get a machine
without any usable IDE interface except for one which is attached to the
CD-ROM.
If you buy one of these machines you'll either have to use a model with
SCSI controller or install an extra IDE-contro
I do) you don't have to pay anything.
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\ System Consulting
Fax:+43 316 428896
www.gibraltar.at)? It's a Debian
GNU/Linux based Firewall-Distribution which will boot straight off the
CD - should be ideal for your application as many encryption tools and
kernel-patches are already applied to the stock-ISO.
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECT
Am Son, 2003-10-19 um 08.29 schrieb Arnt Karlsen:
> ..I saw "raid over net" somewhere, where? Testing? Sid?
> I allway keep finding stuff I can use, the next month. ;-)
You probably mean DRBD.
As far as I remember it's packaged for testing and unstable...
best regard
;
http://www.netapp.com/products/filer/snaprestore.html
Disclaimer: I don't work for NetApp or any of their associates nor did I
in the past. I don't even sell their products ;-)
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
G
hould work just fine. It's "just" a
kernel module after all. You may need to use a vanilla kernel instead of
the Debian kernel (maybe some patches conflict but I doubt it) though.
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administ
(www.linuxvirtualserver.org)
> How have others setup web clusters using debian? We're not adverse to
> backporting packages or using outside apt sources if necessary.
Either way, you don't need any backports - almost (?) everything should
be packaged for Debian. If you want th
ill generate a lot of I/O on the disks - you'll need a REALLY fast
disk-array for that (not bulk transfer but I/O per second).
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluste
data when only 100GB have changed since the last backup.
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\ System Consulting
Fax:+43 31
is something you'll definitely want to take a closer look at as
500k user will generate enough data to keep larger libraries busy for
hours (don't forget the restore procedure may take a long time too).
Incremental FS snapshots would be cool for this, but I don't know of any
way how t
talk a few hours with someone (real-life, not ML) who
has build something similar (not necessarily a mail-cluster, but
something with huge amounts of data on a network) as they probably know
most of the pitfalls first-hand :-)
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \
for storage
might be an advantage here.
> Anyone used supersparrow for source based load balancing?
Nope. Don't see a reason why to use it here as LVS does everything (and
more) I need for setting up something like this.
As hardware planning might go "a little" in detail (and th
Samba, ... ) you might
want to take a look at heartbeat, piranha, failsafe or something like
that.
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\
routing/firewalling if you choose to use direct-routing
or tunneling instead of NAT behind your balancer) and can be integrated
in the cluster within a few minutes.
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA
build into the FreeBSD kernel like LVS?
How does *BSD handle it? Any URL?
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\ System Consulting
Fa
don't think this would work. You'll need a third box which will do
the balancing (well, maybe you could get it to work but it's not
intended this way).
As I said before, the balancer doesn't have to be a fast machine -
almost anything you can find will be sufficient.
best reg
you would expect.
A dedicated loadbalancer is probably the better solution as it doesn't
add much overhead - its only job is to distribute incoming requests.
Anyway: please correct me if I'm wrong! ;o)
best regards
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \
...
If you have further questions, we can discuss details off-list as I may
become OT.
best regards,
Markus Oswald
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\
lock device. You can use
almost any filesystem on top of it. Preferably journaling of course.
best regards
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\
clusters, some with quite a lot of traffic
(well, that's what load-balancing is good for) some just needed the HA
features. No serious problems with keepalived and no problems at all
with LVS.
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
o install it for some customers and there where no problems
whatsoever, neither when installing nor running it in production.
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Clus
s (like subscription, updates, ...)
Installation on Debian is really straightforward and even supported!
(i.e. documented in INSTALL)
best regards
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
kets incoming. Even with wrong IP-addresses or routing you should see
traffic from others hosts on the same network (at least their
broadcasts)...
best regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Av
is to let the user
select which version of a package will be installed. This
selection can be made in a number of ways that fall into
three categories, version, release and origin.
[...]
HTH
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Admi
is to let the user
select which version of a package will be installed. This
selection can be made in a number of ways that fall into
three categories, version, release and origin.
[...]
HTH
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Admi
regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\ System Consulting
Fax:+43 316 428896 \ Web Development
regards,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\ System Consulting
Fax:+43 316 428896 \ Web Development
--
To UNSUBSCRIBE, email to [
d
provide reasonable fast re-sync times.
> Does there exists a solution? Maybe with qmail?
The scenario above is completely MTA independent - you can use qmail,
sendmail, postfix, exim, courier-mta, $whatever...
best regards,
Markus
--
Markus Oswald <[EMAIL PROTEC
On Tue, 2003-03-25 at 23:49, [EMAIL PROTECTED] wrote:
> Can anyone reach aljazeera.net or english.aljazeera.net from outside
> of US? Or any nameservers for it?
>
> I'm trying to determine if this is a US only issue, .
As this seems to be a large-scale outage/attack a group of independent
people
On Tue, 2003-03-25 at 23:49, [EMAIL PROTECTED] wrote:
> Can anyone reach aljazeera.net or english.aljazeera.net from outside
> of US? Or any nameservers for it?
>
> I'm trying to determine if this is a US only issue, .
As this seems to be a large-scale outage/attack a group of independent
people
On Wed, 2002-11-27 at 05:30, Brad Lay wrote:
> I'm sure theres a debian-specific way, but this way works ;)
Of course there is a debian-way of doing this ;o)
man mkboot
best regards
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
try to
help you as good as I can.
HTH
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\ System Consulting
Fax:+43 316 428896 \ Web Development
-
ral servers
without any significant problems.
HTH,
Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\ System Consulting
Fax:+43 316 428896 \
g regular expressions.
Just 'apt-get install syslog-ng' (and klogd if needed)
HTH Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415\ System Consulti
lien and install some strange RPMS - just
get the native packages via 'apt-get install libstdc++2.9-glibc2.1'
> Are there any other simple packages that I might recommend as a dummy
> proof alternative ?
PHP4?
regards
Markus
--
Markus Oswald <[EMAIL PROTECTED]&g
again...
mfg Markus
--
Markus Oswald <[EMAIL PROTECTED]> \ Unix and Network
Administration
Graz, AUSTRIA \ High Availability / Cluster
Mobile: +43 676 6485415 || +43 664 4865125 \ System Consulting
Fax:+43 316 428896 \ Web D
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