On 2013-03-06, Keith Keller wrote:
>
> This is surprising to me. I've had one 3ware controller fail in 10 years.
I realized that this is untrue. I have had three 3ware controllers fail
on me in 10 years, out of about 25. That's actually a pretty poor
failure rate. Two of those failures were n
On 2013-03-07, Akemi Yagi wrote:
>
> I thought about applying the patch to the centosplus kernel but
> decided not to bother because it looked like a "non-issue". But it you
> think it's worth the fix, that can be done. It will be even better if
> you supply the actual patch for the CentOS kernel.
On Wed, Mar 6, 2013 at 4:25 PM, Keith Keller
wrote:
> On 2013-03-07, Akemi Yagi wrote:
>>
>> You may want to check this out:
>>
>> http://bugs.centos.org/view.php?id=6087
>>
>> My understanding is that "There is no side effect other than the load.
>> There are not performance issues with the aild
On 2013-03-07, Akemi Yagi wrote:
>
> You may want to check this out:
>
> http://bugs.centos.org/view.php?id=6087
>
> My understanding is that "There is no side effect other than the load.
> There are not performance issues with the ailds behaving like this."
> Is this not the case ?
As far as I c
On Wed, Mar 6, 2013 at 3:22 PM, Keith Keller
wrote:
> Hi all,
>
> I have what might be a foolish question about patching packages. I am
> not sure exactly how to phrase the question, so please follow up if it
> seems as though I'm not being clear.
>
> I was looking at this bug which my machines a
On Wed, Mar 6, 2013 at 2:12 PM, Gordon Messmer wrote:
> On 03/05/2013 05:58 AM, SilverTip257 wrote:
> >
> > Veering slightly from your original question...
> > I recently set up softraid arrays by hand before invoking the Anaconda
> > installer (on a 6.3 install). Recent mdadm packages that ship
Hi all,
I have what might be a foolish question about patching packages. I am
not sure exactly how to phrase the question, so please follow up if it
seems as though I'm not being clear.
I was looking at this bug which my machines are currently experiencing:
https://bugzilla.redhat.com/show_bug.
On 2013-03-06, Gordon Messmer wrote:
> On 03/06/2013 12:28 PM, Keith Keller wrote:
>> Please Note: 1) The default of the unit creation sets write cache
>> to "on" for performance reasons. However, if there is no BBU
>> available for the controller, a warning is sent to standard error.
>
> It is a
On 03/06/2013 04:18 PM, Dale Dellutri wrote:
> On Wed, Mar 6, 2013 at 3:03 PM, Robert Moskowitz wrote:
>> On 03/06/2013 03:47 PM, Dale Dellutri wrote:
>>> On Wed, Mar 6, 2013 at 2:31 PM, Robert Moskowitz
>>> wrote:
On 03/06/2013 02:51 PM, Craig White wrote:
> On Mar 6, 2013, at 12:24 PM
On 3/6/2013 1:40 PM, John R Pierce wrote:
> |megacli cfgldadd
> r6[||20||:||0||,||20||:||1||,||20||:||2||,||20||:||3||,||20||:||4||,||20||:||5||,||20||:||6||,||20||:||7||,||20||:||8||,||20||:||9||,||20||:||10||]
> a0|
> |m||egacli pdhsp set physdrv[||20||:||11||,20:12||] a0
yow, wtf happen
On 3/6/2013 1:12 PM, Les Mikesell wrote:
> Large drives often have 4k sectors - don't you want a 1M offset to
> make sure the partition start is aligned?
256K is a multiple of 4K. sure, you could use 2048s instead if you
wanted 1M boundaries, its all good.
--
john r pierce
On 3/6/2013 1:05 PM, Gordon Messmer wrote:
> I don't know whether or not there's any noteworthy performance
> difference. MegaRAID cards have not been as prone to failure in my
> experience. The management software is definitely inferior.
megacli doth sucketh mightily, but its a little less anno
On Wed, Mar 6, 2013 at 3:03 PM, Robert Moskowitz wrote:
>
> On 03/06/2013 03:47 PM, Dale Dellutri wrote:
>>
>> On Wed, Mar 6, 2013 at 2:31 PM, Robert Moskowitz
>> wrote:
>>>
>>> On 03/06/2013 02:51 PM, Craig White wrote:
On Mar 6, 2013, at 12:24 PM, Robert Moskowitz wrote:
> I
On Wed, Mar 6, 2013 at 2:42 PM, John R Pierce wrote:
>> AFAIK you need to use a GPT for partitions with >2TB ...
>
> you need GPT to partition devices larger than 2TB, regardless of the
> parittion size.
>
> me, I use parted
>
> # parted /dev/sdc "label gpt"
> # parted /dev/sdc -a non
On 03/06/2013 12:28 PM, Keith Keller wrote:
> Please Note: 1) The default of the unit creation sets write cache
> to "on" for performance reasons. However, if there is no BBU
> available for the controller, a warning is sent to standard error.
It is a warning that there is no BBU, not a warning t
On 03/06/2013 03:47 PM, Dale Dellutri wrote:
> On Wed, Mar 6, 2013 at 2:31 PM, Robert Moskowitz wrote:
>> On 03/06/2013 02:51 PM, Craig White wrote:
>>> On Mar 6, 2013, at 12:24 PM, Robert Moskowitz wrote:
>>>
I pulled one of my old OQO model 2 out of the junk bin and installed
Centos 6
On 03/06/2013 12:20 PM, Les Mikesell wrote:
> OK, but in my opinion it is worse if that was a design decision that
> is just now being changed. Bugs I can understand, but not choosing to
> design a new filesystem with unrealistic limitations.
It's not being changed, per se. A reasonable means of
On Wed, Mar 6, 2013 at 2:31 PM, Robert Moskowitz wrote:
>
> On 03/06/2013 02:51 PM, Craig White wrote:
>> On Mar 6, 2013, at 12:24 PM, Robert Moskowitz wrote:
>>
>>> I pulled one of my old OQO model 2 out of the junk bin and installed
>>> Centos 6.3 over Centos 5.3.
>>>
>>> The internal video does
On 3/6/2013 12:22 PM, Leon Fauster wrote:
> AFAIK you need to use a GPT for partitions with >2TB ...
you need GPT to partition devices larger than 2TB, regardless of the
parittion size.
me, I use parted
# parted /dev/sdc "label gpt"
# parted /dev/sdc -a none "mkpart primary 512s -1s
On 2013-03-06, Gordon Messmer wrote:
> On 03/06/2013 10:56 AM, Keith Keller wrote:
>> The other standard warnings about using these controllers apply (e.g.,
>> if using the write cache, have a BBU on the card
>
> A 3ware card will not enable write caching unless a BBU is present.
My man page for
In my testing of HIP, there is reference to use 'nc6' for a simple TCP
character echo server. No such animal in Centos, and after a bit of
digging I find this refers to Netcat6 which seems to be a dead app? Is
it available as an rpm somewhere for Centos? My searching is coming up
empty. Or
On 03/06/2013 02:51 PM, Craig White wrote:
> On Mar 6, 2013, at 12:24 PM, Robert Moskowitz wrote:
>
>> I pulled one of my old OQO model 2 out of the junk bin and installed
>> Centos 6.3 over Centos 5.3.
>>
>> The internal video does not work in graphics mode (text works fine),
>> though a monitor
Am 06.03.2013 um 17:25 schrieb Les Mikesell :
> On Wed, Mar 6, 2013 at 10:00 AM, Mark Snyder
> wrote:
>>
>> I've used software raid quite a bit, and have developed a few rules of
>> thumb, hope these help!
>
> Do you (or anyone...) have any rules of thumb regarding drives over
> 2TB or using ra
On Wed, Mar 6, 2013 at 2:16 PM, Gordon Messmer wrote:
> On 03/06/2013 11:49 AM, Les Mikesell wrote:
>> I wouldn't hold my breath. Someone on the backuppc list reported that
>> it had a tiny limit on hardlinks which would make it seem to me like
>> they don't quite understand how filesystems are s
On 03/06/2013 11:49 AM, Les Mikesell wrote:
> I wouldn't hold my breath. Someone on the backuppc list reported that
> it had a tiny limit on hardlinks which would make it seem to me like
> they don't quite understand how filesystems are supposed to work.
The limitation was fixed in 3.7:
https://b
On Mar 6, 2013, at 12:24 PM, Robert Moskowitz wrote:
> I pulled one of my old OQO model 2 out of the junk bin and installed
> Centos 6.3 over Centos 5.3.
>
> The internal video does not work in graphics mode (text works fine),
> though a monitor attacked to the VGA port works fine. Although m
On Wed, Mar 6, 2013 at 1:27 PM, Gordon Messmer wrote:
>>
> Hopefully BTRFS will simplify this even further in the near future. :)
I wouldn't hold my breath. Someone on the backuppc list reported that
it had a tiny limit on hardlinks which would make it seem to me like
they don't quite understand
On 03/06/2013 10:56 AM, Keith Keller wrote:
> The other standard warnings about using these controllers apply (e.g.,
> if using the write cache, have a BBU on the card
A 3ware card will not enable write caching unless a BBU is present.
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CentOS maili
On 03/06/2013 08:00 AM, Mark Snyder wrote:
> - Avoid software RAID5 or 6, only use it for RAID1 or 10. Software
> RAID5 performance can be abysmal, because of the parity calculations
> and the fact that each write to the array requires that all drives be
> read and written.
My understanding of Lin
I pulled one of my old OQO model 2 out of the junk bin and installed
Centos 6.3 over Centos 5.3.
The internal video does not work in graphics mode (text works fine),
though a monitor attacked to the VGA port works fine. Although my
intension is to use this as a portable test server, it would b
On 2013-03-06, Arun Khan wrote:
>
> I am looking for a hardware raid card that supports up to 4 SATA II
> hard disks with hot swap (compatible raid cage)
>
> I have short listed two LSI/3Ware cards:
> 1. 9750-4i
> 2. 9650SE-4LPML
>
> I would appreciate your personal experience with the CLI tools
>
On 03/05/2013 05:58 AM, SilverTip257 wrote:
>
> Veering slightly from your original question...
> I recently set up softraid arrays by hand before invoking the Anaconda
> installer (on a 6.3 install). Recent mdadm packages that ship with CentOS
> support metadata 1.1 and 1.2 (... actually defaulti
On 03/04/2013 07:53 PM, Chris Weisiger wrote:
>
> Currently I configured the complete individual drivers as software
> raid, then created a /dev/md0 with the drives
If you configure an entire drive as a raid device, you'd have a device
name like /dev/mdp0, which you'd then partition. I think wha
On 03/06/2013 05:25 AM, Lorenzo Quatrini wrote:
> The "downside" of using fail2ban is that you will start receiving email about
> banned hosts; but that is configurable, as is the number of failed attempts
> before being banned.
The other down side is that if you set up a new virtual host and don'
On 03/06/2013 08:35 AM, Arun Khan wrote:
>
> Both appear to be well supported in Linux.
They are.
> I would appreciate your personal experience with the CLI tools
> provided by LSI.
> Can they be configured to send email for disk failures or SMART errors?
Not the CLI tools. You'll need to run 3
On 03/06/2013 09:45 AM, Tilman Schmidt wrote:
> Any ideas how to remedy that situation?
As long as you get the IP address for failed logins, ignore reverse
mapping failures.
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On Wed, 2013-03-06 at 13:06 -0500, b.j. mcclure wrote:
> I'm having a wireless connection issue with an HP laptop and a Zotac
> media server after the 6.4 package updates from CR repository. Nothing
> changed with wireless config as far as I can tell. Both have been
> working fine with previous
I'm having a wireless connection issue with an HP laptop and a Zotac
media server after the 6.4 package updates from CR repository. Nothing
changed with wireless config as far as I can tell. Both have been
working fine with previous releases of 6.x.
Oddly, if a cat 5 cable is connected for a few
2013/3/6 Johnny Hughes :
> On 03/06/2013 07:17 AM, Robert Moskowitz wrote:
>> So I have this nice, simple web server up running. Its purpose is to
>> allow me external testing with HIP, and to provide some files for
>> external distribution. Of course, there it is sitting on port 80 and
>> the at
I'm running a mix of CentOS 5 and 6 servers reachable by ssh
from the Internet. Of course I allow only public key authentication
and no root login. In addition I'm running fail2ban to block
obnoxious brute force attack sources.
On CentOS 6 this is working pretty well, but on CentOS 5 there's
one c
Am 06.03.2013 14:17, schrieb Robert Moskowitz:
> So I have this nice, simple web server up running. [...]
> the attacks are coming in per logwatch report. Examples from the report
> include:
>
> Requests with error response codes
> 404 Not Found
> //phpMyAdmin-2.5.1/scripts/setup
On Wed, Mar 6, 2013 at 4:40 PM, Tim Evans wrote:
> We are replacing four servers, running mail, web, ftp, and dns,
> respectively, with a single server to run all four services.
>
> The new server will have a new IP address.
>
> It seems fairly straightforward to redirect mail, web, and ftp servi
On Wed, Mar 6, 2013 at 10:40 AM, Tim Evans wrote:
> We are replacing four servers, running mail, web, ftp, and dns,
> respectively, with a single server to run all four services.
>
> The new server will have a new IP address.
>
> It seems fairly straightforward to redirect mail, web, and ftp servi
On 03/06/2013 07:17 AM, Robert Moskowitz wrote:
> So I have this nice, simple web server up running. Its purpose is to
> allow me external testing with HIP, and to provide some files for
> external distribution. Of course, there it is sitting on port 80 and
> the attacks are coming in per logw
We are replacing four servers, running mail, web, ftp, and dns,
respectively, with a single server to run all four services.
The new server will have a new IP address.
It seems fairly straightforward to redirect mail, web, and ftp services
to the new server via DNS CNAMES, but I'm not quite sur
Greetings,
I am looking for a hardware raid card that supports up to 4 SATA II
hard disks with hot swap (compatible raid cage)
I have short listed two LSI/3Ware cards:
1. 9750-4i
2. 9650SE-4LPML
Both appear to be well supported in Linux.
I would appreciate your personal experience with the CLI
On Wed, Mar 6, 2013 at 10:00 AM, Mark Snyder
wrote:
>
> I've used software raid quite a bit, and have developed a few rules of thumb,
> hope these help!
Do you (or anyone...) have any rules of thumb regarding drives over
2TB or using raid sets that were created on Centos5 under Centos6? I
once
Chris,
I've used software raid quite a bit, and have developed a few rules of thumb,
hope these help!
- Use one raid array, generally md0, for /boot, and one for LVM, md1. This
allows the individual drives to be mounted and read on another server for
recovery if you're using RAID1.
This is ge
On Wed, Mar 06, 2013 at 10:57:35AM +0200, Alexandru Chiscan wrote:
> On 03/06/2013 05:54 AM, Fred Smith wrote:
> >
> > http://lists.centos.org/mailman/listinfo/centos
> >
> > Yes, I did the modifications given earlier by Earl and one other poster
> > and now google earth starts up.
> >
> > but it
Il 06/03/2013 14:17, Robert Moskowitz ha scritto:
> So I have this nice, simple web server up running. Its purpose is to
> allow me external testing with HIP, and to provide some files for
> external distribution. Of course, there it is sitting on port 80 and
> the attacks are coming in per lo
So I have this nice, simple web server up running. Its purpose is to
allow me external testing with HIP, and to provide some files for
external distribution. Of course, there it is sitting on port 80 and
the attacks are coming in per logwatch report. Examples from the report
include:
Requ
On Tue, Mar 5, 2013 at 8:56 PM, Chris Weisiger wrote:
> Im not so much concerned about the os not being on a raid system. I am
> really concerned about my data, music, pictures,docs, etc.
>
True, the data is generally more important than the OS (or hardware - you
can buy more).
> I run a minimu
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On 03/06/2013 05:54 AM, Fred Smith wrote:
>
> http://lists.centos.org/mailman/listinfo/centos
>
> Yes, I did the modifications given earlier by Earl and one other poster
> and now google earth starts up.
>
> but it complains there's no usable graphics card, and only displays
> the menus/borders/e
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