http://xn--brboden-mxa.dk/tu/ijvzx.wycyspfmmw
Mag Gam
7/21/2013 7:22:35 AM
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Here is my situation, I have 3TB of data on a NFS server which has 2
NICs (bonded). I have 50 clients which access this data -- mainly
reading. Now, I also have spare servers and I would like to use these
servers to cache the NFS traffic (if possible). Are there any
programs/techniques to 'cache' N
ner wrote:
> Mag Gam put forth on 11/28/2010 7:31 AM:
>> Erp, pressed 'send' to quickly.
>>
>>
>> TCP/UDP offloading, to my understanding hardware has to support and
>> my hardware Intel e1000 doesn't by our engineering team.
>> i know we can off
d, RT is a good option but I am really not sure how
it will affect our latency.
On Sun, Nov 28, 2010 at 8:10 AM, Mag Gam wrote:
> Stan,
>
> thanks for the response.
>
> To my understanding, CONFIG_HZ is a kernel time option. Has that
> changed? I can certainly rebuild the
weird random tasks
starting up at production hours which causes interrupts. This is a
notoriously underestimated tip.
On Sat, Nov 27, 2010 at 11:49 PM, Stan Hoeppner wrote:
> Mag Gam put forth on 11/27/2010 11:06 AM:
>> Stan,
>>
>> Correct. On my severs I too have sound c
pipe" from lmbench to measure transaction latency of a UNIX pipe.
My goal is to have the most optimal kernel/tuning since our
application is very latency sensitive.
On Sat, Nov 27, 2010 at 11:01 AM, Leandro Minatel
wrote:
>
> On Sat, Nov 27, 2010 at 2:43 AM, Stan Hoeppner
> wrote:
&g
Hello,
I am currently working on a ecommerce system for a client. We are
using Debian 5. I was told by an engineer that unloading unnecessary
modules will improve performance in the system. My question(s) are: is
this true? Also, how do I measure the kernel (or base OS) system
before and after I u
Currently we do alot of `rsync -e ssh` to a host. Is it possible to
restrict only 5 logins per user on the server? My goal is to avoid
having 100s of these sshd processes running on the server which will
slow it down.
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with a sub
I manage close to 4k servers at my research lab. Most of these hosts
are used for research simulations.
My problem is, most of these hosts need to have a very similar
configuration such as having the same /etc/passwd, /etc/group,
/etc/hosts.allow and etc...Are there any tools which exist will help
Hello,
Currently I download a file (which is about 700MB) from wget and place
it in my /tmp and do my task on the file. If I have to work with 10 of
these fies at a single time I have to have 10 files in /tmp;
I was wondering if anyone has a clever idea how I can avoid having all
10 in /tmp and h
I have 3 NFS servers which are serving the same exact data - ISO images.
I have close to 50 clients who access this data so I manually mount up
1/3 clients to serverA, 1/3 clients to serverB, and the remainder to
serverC.
I was wondering if I can place the 3 NFS server in a pool and have all
the
How do I send multicast traffic? How do I receive it?
2009/9/16 Γιώργος Πάλλας :
> Mag Gam wrote:
>> How can I check if my adapter is sending and receiving multicast traffic?
>>
>>
>>
>
> I'd say install wireshark, capture the traffic and examine it...
&g
How can I check if my adapter is sending and receiving multicast traffic?
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I was wondering if anyone here has experience with HP MSA60 with P400
and P800 controller. How reliable are they for a 24x7 shop?
TIA
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interesting indeed
Does anyone have any experience with:
http://freshmeat.net/projects/sudoscript/
On Fri, Jul 24, 2009 at 9:55 AM, Berthold Cogel wrote:
> Chris Davies schrieb:
>> Berthold Cogel wrote:
>>> We're doing somthing like this in /etc/sudoers:
>>
>>
>>> Cmnd_Alias SHELLS =
I though there was already a tool which integrates sudo and script.
This is the combination I was looking for.
On Thu, Jun 11, 2009 at 2:02 AM, Frank Lin PIAT wrote:
> On Wed, 2009-06-10 at 19:57 -0400, Mag Gam wrote:
>> We have many users at my university engineering lab. Some p
We have many users at my university engineering lab. Some professors
need commands for root and of other users, so we decided to setup sudo
permissions. I was wondering if there is a way to log all commands
when they sudo into an account or root account.
I would like to even capture key strokes...
ned by wget docs either. But I might err
> ...
>
> // Oliver
>
> PS: Had accidentally replied to the sender only.
>
> Original-Nachricht
>> Datum: Wed, 10 Jun 2009 07:58:13 -0500
>> Von: Mark Allums
>> An: debian-user
>>
I would like to automatically get files from a FTPs using TLS. Is it
better to use wget or curl?
or is there another alternative?
TIA
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We are planning to run an email server at my university. We would like
to use something that has a nice Web based gui for its configuration.
Does anyone have any good ideas? We have tried courier and exim, but
their web-based GUIs were not that good. Any other email packages out
there we can try?
I don't really care about the size. But I really want the entire rsync
distribution to be in 1 file.
What is the difference between static binary and standalone?
On Tue, Apr 7, 2009 at 10:39 AM, Ron Johnson wrote:
> On 2009-04-06 18:59, Mag Gam wrote:
>>
>> I was wonderin
correct. I want to make a static linked binary for rsync. Thanks for
stating the obvious.
On Tue, Apr 7, 2009 at 6:01 AM, Sharninder wrote:
> On Tue, Apr 7, 2009 at 5:29 AM, Mag Gam wrote:
>> I was wondering if its possible to compile src code (for example
>> rsync) to create
I was wondering if its possible to compile src code (for example
rsync) to create 1 large binary. I want to do this to easily
distribute rsync.
TIA
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I was wondering if there was some clever technique you can do with
symbolic links and exports.
On Tue, Mar 17, 2009 at 8:30 PM, Douglas A. Tutty wrote:
> On Tue, Mar 17, 2009 at 07:22:13PM -0400, Mag Gam wrote:
>> Is it possible to combine 2 filesystems so they would appear as one?
Is it possible to combine 2 filesystems so they would appear as one?
For example, you have 2 volumes:
/vol0 (500GB)
/vol1 (500GB)
I want to export both of them so it would appear as 1TB volume.
Any ideas?
TIA
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Hello Debian Users:
Have there been any instances where a RAID controller wiped out data
in particular the logical drives it creates are no longer able to use.
The only solution is to recreate the logical drive?
Just curious.
TIA
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we are looking for by date,
the data retreivel is very fast when its on a Unix filesystem.
For instance, grep "something" country/2005/??/01/foo.txt
It gives an instant result. Thats how we are using it and we love it.
TIA
On Tue, Feb 24, 2009 at 10:06 AM, Paul E Condon
wrote:
>
I was curious why this was faster:
At our company we store close to 50TB of certain transaction data and
we stored it on a UNIX filesystem raw without any DBMS help.
For example:
country/A/name/A.txt
country/B/name/B.txt
country/C/name/C.txt
and so on...
We have close to 500 million entries in t
andy,
thanks for the response. I may try this.
On Mon, Dec 29, 2008 at 12:17 PM, Mag Gam wrote:
> Hello All,
>
> We are using NIS for our university's mechanical/computer/civil
> engineering lab. We have near 4000 clients and 1 NIS server. We have 4
> global NIS servers, wh
Hello All,
We are using NIS for our university's mechanical/computer/civil
engineering lab. We have near 4000 clients and 1 NIS server. We have 4
global NIS servers, which is used thru out the university, but I
replicate 1 NIS server nightly to be used for the 4000 clients.
Obviously, we will get
At my university we have 10 servers. Each server has 8 cores with 32
GIG of memory running Debian 4.0. We have to give these servers to a
different department, and our Dean would like to consiladate 10
servers into 5 servers. The new server will have 16 cores with 64 GIG
of memory. Basically a 2:1
Great. Thanks. Basically I have 500+ directories; each directory which
has over 9000 files. I was wondering if there is a trick I can use.
TIA
On Thu, Oct 2, 2008 at 9:29 AM, James Youngman <[EMAIL PROTECTED]> wrote:
> On Thu, Oct 2, 2008 at 11:18 AM, Ron Johnson <[EMAIL PROTECTED]> wrote:
>> Si
WEll, I am more interesting is searching a large Networked filesystem.
On Thu, Oct 2, 2008 at 6:18 AM, Ron Johnson <[EMAIL PROTECTED]> wrote:
> On 10/02/08 04:28, James Youngman wrote:
>>
>> On Wed, Oct 1, 2008 at 12:15 PM, Mag Gam <[EMAIL PROTECTED]> wrote:
>
Thanks Sven. Is it possible to get file user owner and file size with
the mlocate/updatedb ?
I would like to get granular reports like that...
On Wed, Oct 1, 2008 at 7:48 AM, Sven Joachim <[EMAIL PROTECTED]> wrote:
> On 2008-10-01 13:15 +0200, Mag Gam wrote:
>
>> I was wonderi
I was wondering if its possible to run updatedb on a very large
filesystem (6 TB). Has anyone done this before? I plan on running this
on a weekly basis, but I was wondering if updatedb was faster than a
simple 'find'. Are there any optimizations in 'updatedb' ?
TIA
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Michael:
Interesting. That will just not use swap? So, it will FIFO pages into
physical memory?
On Sun, Sep 14, 2008 at 3:29 PM, Michael <[EMAIL PROTECTED]> wrote:
> On Sat, Sep 13, 2008 at 06:28:31PM -0400, Mag Gam wrote:
>> I have a system with 32GB of RAM. The application is
I have to tar up many small files. I have over 30k files in a
directory. What is the best way to do this? If I tar it its taking a
long time but from what I have been reading if I increase my blocksize
it should go faster. But I am not sure if that will work. Any
thoughts?
TIA
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Also, my I/O is pretty fast. It can do 250/MBsec read/write randomly.
If that helps..
TIA
On Sat, Sep 13, 2008 at 6:28 PM, Mag Gam <[EMAIL PROTECTED]> wrote:
> I have a system with 32GB of RAM. The application is designed so it
> does not do sequential reads and it does random ope
I have a system with 32GB of RAM. The application is designed so it
does not do sequential reads and it does random operations. The
application memory intensive and I would like it to not swap. I want
it to use physical memory as much as possible. Once the memory is read
and operated on, I want tha
I am trying to use fuse to mount up a user created filesystem.
$ /sbin/lsmod | grep fuse
fuse 40404 0
$ dd if=/dev/zero bs=1024k count=10 of=fs
$ /sbin/mkfs.ext3 fs
$ fusermount fs mnt
fusermount: old style mounting not supported
I am not sure what I am dong wrong.
Any id
I noticed when exporting NFS we are specifying fsid=X
Is it possible to auto increment this fsid? I am exporting over 70
directories and keeping track of this fsid number is becoming a task
of its own.
Any thoughts? How is everything else doing this?
TIA
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like it to email me. Is that possible?
TIA
On Wed, Aug 27, 2008 at 2:33 AM, Paul Johnson <[EMAIL PROTECTED]> wrote:
> On Mon, 2008-08-25 at 07:58 -0400, Mag Gam wrote:
>> Currently at my university we have 50 servers in our physics lab, and
>> I am forwarding all syslog messages
Currently at my university we have 50 servers in our physics lab, and
I am forwarding all syslog messages to 1 server. Is it possible to
email me an alert once a particular alert occurs? Instead of
constantly parsing the log file, I would like something a big more
realtime.
TIA
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FUSE looks really good. I am going to investigate it.
TIA
On Thu, Aug 21, 2008 at 10:49 AM, Shachar Or <[EMAIL PROTECTED]> wrote:
> On Thursday 21 August 2008 16:18, Tzafrir Cohen wrote:
>> On Thu, Aug 21, 2008 at 06:29:00AM -0400, Mag Gam wrote:
>> > Sharchar:
>
anks for all of your help guys!
TIA
On Thu, Aug 21, 2008 at 1:18 AM, Shachar Or <[EMAIL PROTECTED]> wrote:
> On Wednesday 20 August 2008 13:50, Mag Gam wrote:
>> David:
>>
>> Do you have some sort of script to manage this? I am a little hesitate
>> to give professors
ug 20, 2008 at 11:06 AM, Glennie Vignarajah <[EMAIL PROTECTED]> wrote:
> Le Wednesday 20 August 2008 vers 02:40, Mag Gam("Mag Gam"
> <[EMAIL PROTECTED]>) a écrit:
>
> Hello,
>
>> I would like to tar them
>> per day into one tar file. I would then l
David:
Do you have some sort of script to manage this? I am a little hesitate
to give professors mkfs and mount sudo access. Is there a way around
this?
On Wed, Aug 20, 2008 at 12:13 AM, Mag Gam <[EMAIL PROTECTED]> wrote:
> WOW!
>
> Very nice ideas.
>
> I like the dd idea.
WOW!
Very nice ideas.
I like the dd idea. What command would I use for that? Also, the files
are coming from NFS; how can I help this? Any ideas for this?
On Tue, Aug 19, 2008 at 10:24 PM, David Fox <[EMAIL PROTECTED]> wrote:
> On Tue, Aug 19, 2008 at 5:40 PM, Mag Gam <[EMA
At my university we run fluid dynamic simulations. These simulations
create many small files (30,000) per hour. Their size is very small
(20k to 200k). Instead of having this on the filesystem since it take
up inode space, I would like to tar them per day into one tar file. I
would then like an int
Well,
I need something realtime and accurate.
Any thoughts?
TIA
On Mon, Jul 7, 2008 at 11:03 AM, M. Piscaer <[EMAIL PROTECTED]> wrote:
> Mag Gam schreef:
>>
>> Is there a tool to measure network traffic? I am using ifstat but its
>> reporting wrong statistics. I
Is there a tool to measure network traffic? I am using ifstat but its
reporting wrong statistics. I am trying to get something similar to
eth0 , 16Mb/sec
eth1, 10Mb/sec
etc..
I need something simple :-)
TIA
y "noisier" too (or so I understand), which affects a whole slew
> of things, including memory timings among others.
>
> At least this is all what I remember...!
>
> On Sat, Jul 5, 2008 at 2:24 PM, Mag Gam <[EMAIL PROTECTED]> wrote:
> >
> > Thanks for the
Thanks for the responses.
What is the engineering challenge of having more memory in a single die? I
expect latency would be a issue. Also, as Brad mentioned greater risk of
failure.
Any thing else?
On Fri, Jul 4, 2008 at 11:04 AM, <[EMAIL PROTECTED]> wrote:
> >
> >
> >
> > Original Messa
At my university we have Debian and Redhah (blah :-) )servers. Their
primary purpose is to serve files to users.
We are trying to figure out a easy way to manage and export the mount points
via NFS to Linux labs which have around 500 clients.
Each server has a mount point like this:
Server1
/bu
I am curious...
When memory is manufactured why does a stick of 4GB memory cost 2.5 times of
2GB memory? Is the manufacturing process that much different to justify the
cost?
Very good points.
Trying to understand Linux from a theoretical point of view.
On Sun, Jun 22, 2008 at 12:24 PM, Gilles Mocellin <[EMAIL PROTECTED]>
wrote:
> Le Sunday 22 June 2008 18:08:45 Ron Johnson, vous avez écrit :
> > On 06/22/08 11:01, Mag Gam wrote:
> > > Ok,
Ok, so in theory assuming no processes use hd resources then there should be
no HD activity.
On Sun, Jun 22, 2008 at 11:36 AM, David <[EMAIL PROTECTED]> wrote:
> On Sun, Jun 22, 2008 at 5:18 PM, Mag Gam <[EMAIL PROTECTED]> wrote:
> > This is more of a theoretical Unix q
This is more of a theoretical Unix question,
When there are no users on the system, the system is idle, would there still
be I/O activity on the root disks?
If so, what processes will be doing the I/O ?
TIA
Yes. This is exactly what I intend to do. Thanks for the feedback.
If you have any advice on this please don't hesitate to share with us :-)
TIA
On Wed, Jun 11, 2008 at 1:23 PM, Ron Johnson <[EMAIL PROTECTED]> wrote:
> -BEGIN PGP SIGNED MESSAGE-
> Hash: SHA1
>
>
Typically, we create a partition to capture a kernel dump when the system
crashes. Therefore, a system with 16GB of RAM will have a partition with
16GB.
How would I scale a system with 64 or 128GB of memory? Any thoughts?
TIA
Is it possible to index all symbolic links (source and destination) of a
filesystem? For example, in my university we have a project where professors
use vast amount of disk space -- over 10 TB a month. We provide the
professors a mount point, /barXX and export that mount point. The professor
then
Well said.
Thankyou and everyone
On Sun, Jun 8, 2008 at 10:14 AM, Damon L. Chesser <[EMAIL PROTECTED]> wrote:
> On Sun, 2008-06-08 at 07:33 -0400, Mag Gam wrote:
> > Again, I appreciate the responses.
> >
> > Damon:
> >
> > I am dealing with HW R
rate on this topic?
TIA
On Sat, Jun 7, 2008 at 8:18 PM, Mike Bird <[EMAIL PROTECTED]> wrote:
> On Sat June 7 2008 17:04:02 Mag Gam wrote:
> > Does this page,
> > http://www.redhat.com/archives/linux-lvm/2006-October/msg00014.html,
> hold
> > any validity? The poster
I get some assistance...
On Sat, Jun 7, 2008 at 7:39 PM, Brian McKee <[EMAIL PROTECTED]> wrote:
> On Sat, Jun 7, 2008 at 8:27 AM, Mag Gam <[EMAIL PROTECTED]> wrote:
> >
> > I have a RAID controller with 256MB of on board cache and its connected
> to
> > 12 50
AIL PROTECTED]> wrote:
> On Sat, Jun 07, 2008 at 12:52:24PM -0400, Mag Gam wrote:
> > With the RAID array I am planning to use RAID 5 so my data is still
> > protected. My confusion is going with RAID striping (picking the right
> > size). Also, Does the filesystem layout ne
max-(128+1k)?
On Sat, Jun 7, 2008 at 12:38 PM, Damon L. Chesser <[EMAIL PROTECTED]> wrote:
> On Sat, 2008-06-07 at 11:15 -0500, Ron Johnson wrote:
> > -BEGIN PGP SIGNED MESSAGE-
> > Hash: SHA1
> >
> > On 06/07/08 07:27, Mag Gam wrote:
> > >
>
at 9:59 AM, Damon L. Chesser <[EMAIL PROTECTED]> wrote:
> On Sat, 2008-06-07 at 08:27 -0400, Mag Gam wrote:
> >
> > I have a RAID controller with 256MB of on board cache and its
> > connected to 12 500GB SATA disks. I am planning to create 2 RAID
> > groups (6 dis
I have a RAID controller with 256MB of on board cache and its connected to
12 500GB SATA disks. I am planning to create 2 RAID groups (6 disks each),
but I don't know what is the optimal stripe size should be.
Also, once I stripe on the RAID controller I am planning to use LVM. Is
striping a good
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