Re: [CentOS] How to disable screen locking system-wide?

On Jan 19, 2011, at 2:44 PM, Bob Eastbrook wrote: > By default, CentOS v5 requires a user's password when the system wakes > up from the screensaver. This can be disabled by each user, but how > can I disable this system-wide? Many of my users forget to do this, > which results in workstations

Re: [CentOS] How to disable screen locking system-wide?

On Jan 19, 2011, at 2:44 PM, Bob Eastbrook wrote: > By default, CentOS v5 requires a user's password when the system wakes > up from the screensaver. This can be disabled by each user, but how > can I disable this system-wide? Many of my users forget to do this, > which results in workstations

Re: [CentOS] How to disable screen locking system-wide?

On Jan 20, 2011, at 9:18 AM, John Hodrien wrote: > On Thu, 20 Jan 2011, Ross Walker wrote: > >> On Jan 19, 2011, at 2:44 PM, Bob Eastbrook wrote: >> >>> By default, CentOS v5 requires a user's password when the system wakes >>> up from the screensaver

Re: [CentOS] How to disable screen locking system-wide?

On Jan 20, 2011, at 9:23 AM, m.r...@5-cent.us wrote: > Adam Tauno Williams wrote: >> On Thu, 2011-01-20 at 14:08 +0100, Giles Coochey wrote: >>> On 20/01/2011 13:12, Adam Tauno Williams wrote: On Thu, 2011-01-20 at 11:05 +, John Hodrien wrote: > An account is a personal account that s

Re: [CentOS] How to disable screen locking system-wide?

On Thu, Jan 20, 2011 at 12:03 PM, wrote: > Lamar Owen wrote: >> On Thursday, January 20, 2011 09:36:09 am Ross Walker wrote: >>> With Amazon's cloud services now I guess they'll have to cut it down to >>> 7 days, or require finger print or retinal eye scans

Re: [CentOS] CentOS and Dell MD3200i / MD3220i iSCSI w/ multipath

On Jan 21, 2011, at 6:41 PM, Edward Morbius wrote: > We've been wrestling with this for ... rather longer than I'd care to admit. > > Host / initiator systems are a number of real and virtualized CentOS 5.5 > boxes. Storage arrays / targets are Dell MD3220i storage arrays. > > CentOS is not a

Re: [CentOS] CentOS and Dell MD3200i / MD3220i iSCSI w/ multipath

On Jan 21, 2011, at 7:20 PM, Edward Morbius wrote: > > > On Fri, Jan 21, 2011 at 3:58 PM, Ross Walker wrote: > On Jan 21, 2011, at 6:41 PM, Edward Morbius wrote: > >> We've been wrestling with this for ... rather longer than I'd care to admit. >> >&g

Re: [CentOS] OT: Recommendations for a virtual storage server

On Jan 28, 2011, at 4:55 AM, carlopmart wrote: > Hi all, > > I need to install a virtual machine acting as a virtual storage server under > CentOS 5.x (using kvm, xen, virtualbox or vmware). This virtual storage > machine > needs to server storage to another ESXi server and at the same time

Re: [CentOS] OT: Recommendations for a virtual storage server

On Jan 29, 2011, at 6:04 AM, carlopmart wrote: > On 01/28/2011 03:21 PM, Ross Walker wrote: >> On Jan 28, 2011, at 4:55 AM, carlopmart wrote: >> >>> Hi all, >>> >>> I need to install a virtual machine acting as a virtual storage server >>>

Re: [CentOS] OT: Recommendations for a virtual storage server

On Jan 31, 2011, at 8:58 AM, Les Mikesell wrote: > On 1/31/11 3:20 AM, carlopmart wrote: >> On 01/31/2011 04:05 AM, James A. Peltier wrote: >>> - Original Message -> |>> >>> |> >>> |> Correct. >>> | >>> | But I don't see how any of those things apply here. If the host fails >>> | your

Re: [CentOS] OT: Recommendations for a virtual storage server

On Jan 31, 2011, at 12:20 PM, carlopmart wrote: > On 01/31/2011 03:57 PM, Ross Walker wrote:>>> virtual machines running on HP > ML115 > server. >>>> >>>> Where is the problem?? Problem is the storage. All storage resides on the >>>> HP

Re: [CentOS] iSCSI disk preperation

On Mon, Feb 7, 2011 at 2:36 PM, Dr. Ed Morbius wrote: > on 13:56 Mon 07 Feb, Jason Brown (jason.br...@millbrookprinting.com) wrote: >> I am currently going through the process of installing/configuring an >> iSCSI target and cannot find a good write up on how to prepare the disks >> on the server.

Re: [CentOS] iSCSI disk preperation

On Mon, Feb 7, 2011 at 1:56 PM, Jason Brown wrote: > I am currently going through the process of installing/configuring an > iSCSI target and cannot find a good write up on how to prepare the disks > on the server.  I would like to mirror the two disks and present them to > the client.  Mirroring

Re: [CentOS] iSCSI disk preperation

On Mon, Feb 7, 2011 at 3:32 PM, Jason Brown wrote: > On 02/07/2011 02:36 PM, Dr. Ed Morbius wrote: >> on 13:56 Mon 07 Feb, Jason Brown (jason.br...@millbrookprinting.com) wrote: >>> I am currently going through the process of installing/configuring an >>> iSCSI target and cannot find a good write

Re: [CentOS] iSCSI disk preperation

On Mon, Feb 7, 2011 at 3:41 PM, Jason Brown wrote: > On 02/07/2011 03:26 PM, Ross Walker wrote: >> On Mon, Feb 7, 2011 at 1:56 PM, Jason Brown >> wrote: >>> I am currently going through the process of installing/configuring an >>> iSCSI target and cannot find

Re: [CentOS] iSCSI disk preperation

On Feb 8, 2011, at 4:28 PM, Jason Brown wrote: > In our configuration, we are going to have our iSCSI targets and > initiators all connected to the same layer 3 switch and isolate the > iSCSI traffic on separate networks. Would it be beneficial to also set > up multipath for this as well? Most

Re: [CentOS] Looking for back versions of centos 3

On Feb 13, 2011, at 10:22 AM, Nico Kadel-Garcia wrote: > On Sun, Feb 13, 2011 at 8:25 AM, Bruce Ferrell wrote: >> so far all the mirrors I've checked have 3.9 in the directory for 3.x >> >> Can anyone tell me how to get back versions? I'm looking for 3.4 or 3.5 >> >> Thanks in advance >> >>

Re: [CentOS] how do export a block device via eSATA?

On Feb 13, 2011, at 4:59 PM, Rudi Ahlers wrote: > On Sun, Feb 13, 2011 at 11:35 PM, John R Pierce wrote: >> On 02/13/11 1:21 PM, Rudi Ahlers wrote: >>> I'm trying to build a dense eSATA enclosure with say 16 or 24 drives :) >> >> thats a stunningly bad way to go about it. >> >> A) if you want

Re: [CentOS] how do export a block device via eSATA?

On Feb 14, 2011, at 2:27 AM, Rudi Ahlers wrote: > On Mon, Feb 14, 2011 at 4:44 AM, Ross Walker wrote: >> On Feb 13, 2011, at 4:59 PM, Rudi Ahlers wrote: >> >>> On Sun, Feb 13, 2011 at 11:35 PM, John R Pierce wrote: >>>> On 02/13/11 1:21 PM, Rudi Ahler

Re: [CentOS] Air Conditioning - ON!

On Feb 22, 2011, at 3:35 PM, Ian Murray wrote: > Only joking. I take your point, but the critical fixes being held up for a > dot > release isn't really very Enterprise friendly either. I think it fair to say > that CentOS is not suitable for the enterprise unless the servers are > non-public

Re: [CentOS] how to optimize CentOS XEN dom0?

On Feb 23, 2011, at 3:42 AM, Rudi Ahlers wrote: > On Wed, Feb 23, 2011 at 9:06 AM, yonatan pingle > wrote: >> you should have a look at your I/O disk status. >> >> try with iostat -dx 5 to see the disk utilization info over time. >> when it comes to slowdown on a virtual environment on a Deskto

Re: [CentOS] Alternative to cPanel

On Feb 23, 2011, at 2:04 PM, "Trutwin, Joshua" wrote: >> +1 for Virtualmin. >> People will brag that it's insecure etc, but it has always done the job for >> me >> and I have more than 100 installations of it. I never had security problems >> because of it. > > Thanks for all the posts. > > Cu

Re: [CentOS] current bind version

On Feb 23, 2011, at 9:08 PM, "Machin, Greg" wrote: > Hi. > > I have had an enquiry from the Network and Security guy. He wants to know why > CentOS 5.5 /RHEL 5 is using a very old version of bind > “bind-chroot-9.3.6-4.P1.el5_5.3” when the latest release that has many > security fixes is on

Re: [CentOS] current bind version

On Feb 23, 2011, at 10:23 PM, John R Pierce wrote: > On 02/23/11 6:08 PM, Machin, Greg wrote: >> >> Hi. >> >> I have had an enquiry from the Network and Security guy. He wants to >> know why CentOS 5.5 /RHEL 5 is using a very old version of bind >> “bind-chroot-9.3.6-4.P1.el5_5.3” when the la

Re: [CentOS] current bind version

On Feb 24, 2011, at 9:31 AM, Johnny Hughes wrote: > I am not saying this to be a smart a$$ or be negative ... just saying > that other enterprise distributions exist that provide long term > stability without backports ... Unbuntu LTS is a free example. They > also provide integration of all the

Re: [CentOS] current bind version

On Feb 24, 2011, at 8:37 PM, Johnny Hughes wrote: > On 02/24/2011 05:43 PM, Ross Walker wrote: >> On Feb 24, 2011, at 9:31 AM, Johnny Hughes > <mailto:joh...@centos.org>> wrote: >> >>> I am not saying this to be a smart a$$ or be negative ... just saying >

Re: [CentOS] how to optimize CentOS XEN dom0?

On Feb 25, 2011, at 4:29 AM, Rudi Ahlers wrote: > On Wed, Feb 23, 2011 at 4:33 PM, Ross Walker wrote: >> On Feb 23, 2011, at 3:42 AM, Rudi Ahlers wrote: >> >>> On Wed, Feb 23, 2011 at 9:06 AM, yonatan pingle >>> wrote: >>>> you should have a look

Re: [CentOS] VMware (was Re: current bind version)

On Feb 25, 2011, at 5:48 AM, Johnny Hughes wrote: > On 02/24/2011 10:47 PM, Les Mikesell wrote: >> On 2/24/11 8:56 PM, Scott Robbins wrote: >>> On Fri, Feb 25, 2011 at 03:44:32PM +1300, Machin, Greg wrote: >>> >>> >>> >>> Rather use ESXi 4.1 and get up and running quickly. If your h

Re: [CentOS] VMware (was Re: current bind version)

On Feb 25, 2011, at 9:01 AM, Les Mikesell wrote: > On 2/25/11 7:33 AM, Scott Robbins wrote: >> On Thu, Feb 24, 2011 at 10:36:28PM -0800, David Brian Chait wrote: >>> >>> I think you need to download the VI3 rather than 4.1 to use 32 bit support, >>> but it does work. I have it in production on

Re: [CentOS] how to optimize CentOS XEN dom0?

On Feb 25, 2011, at 9:28 AM, Rudi Ahlers wrote: > On Fri, Feb 25, 2011 at 4:21 PM, Ross Walker wrote: > > >> >> It seems dom0's memory got under pressure from the other domUs. >> >> Make sure to set an absolute minimum of memory for dom0 in xend.con

Re: [CentOS] cronjob to intiiate checkdisk ?

On Feb 28, 2011, at 4:49 AM, Roland RoLaNd wrote: > Dear all, > > I'm trying to find a way to automate checkdisk every 1 month on a weekend. > in other words i want checkdisk to run every saturday morning. > > i can of course change the default mount/count though that wont let me > control WHE

Re: [CentOS] virtualization on the desktop a myth, or a reality?

On Mar 2, 2011, at 12:29 PM, Rudi Ahlers wrote: > I am busy setting up some XEN servers on a SAN for high availability > and Cloud Computing, and thought it could be cool to setup > virtualization on a CentOS 5.5 Desktop, running on a Core i3 + 4GB > RAM, and use the SAN's storage to see if it co

Re: [CentOS] top and allocation issues

On Mar 3, 2011, at 2:21 PM, "Michael D. Berger" wrote: > In a context where exceptions are caught, I ran > the fragment: > > cerr << "allocating" << endl; > char*arr[100]; > for (int jj = 0; jj < 10; ++jj) > { > cerr << "jj = " << jj << endl; > arr[jj] = new char[2

Re: [CentOS] connection speeds between nodes

On Mar 7, 2011, at 6:12 AM, wessel van der aart wrote: > Hi All, > > I've been asked to setup a 3d renderfarm at our office , at the start it > will contain about 8 nodes but it should be build at growth. now the > setup i had in mind is as following: > All the data is already stored on a Stor

Re: [CentOS] connection speeds between nodes

On Mar 7, 2011, at 9:55 AM, John Hodrien wrote: > On Mon, 7 Mar 2011, Ross Walker wrote: > >> 1Gbe can do 115MB/s @ 64K+ IO size, but at 4k IO size (NFS) 55MB/s is about >> it. >> >> If you need each node to be able to read 90-100MB/s you would need to setup

Re: [CentOS] Dell PERC H800 commandline RAID monitoring tools

On Mar 7, 2011, at 3:43 PM, "Dr. Ed Morbius" wrote: > We're looking for tools to be used in monitoring the PERC H800 arrays on > a set of database servers running CentOS 5.5. > > We've installed most of the OMSA (Dell monitoring) suite. > > Our current alerting is happening through SNMP, though

Re: [CentOS] yum tries to install a mix of architectures

On Mar 7, 2011, at 9:41 AM, Tim Dunphy wrote: > On my centos boxes whenever I try to install packages I get a mix of > packages from the repos that are both i386 and x86_64 in > archictecture: Yum doesn't implicitly know if you want the 64 or 32-bit versions so it selects both. If you only want

Re: [CentOS] connection speeds between nodes

On Mar 8, 2011, at 9:48 AM, Les Mikesell wrote: > On 3/8/11 8:32 AM, Ross Walker wrote: >> >> Why wouldn't you want safe writes? Is that like saying, and if you care for >> your data? > > You don't fsync every write on a local disk. Why demand it over N

Re: [CentOS] connection speeds between nodes

On Mar 8, 2011, at 12:25 PM, John Hodrien wrote: > On Tue, 8 Mar 2011, Ross Walker wrote: > >> Well on my local disk I don't cache the data of tens or hundreds of clients >> and a server can have a memory fault and oops just as easily as any client. >> >> A

Re: [CentOS] connection speeds between nodes

On Mar 8, 2011, at 12:02 PM, John Hodrien wrote: > The absolute definiton of safe here is quite important. In the event of a > power loss, and a failure of the UPS, quite possibly also followed by a > failure of the RAID battery you'll get data loss, as some writes won't be > committed to disk d

Re: [CentOS] connection speeds between nodes

On Mar 9, 2011, at 8:44 AM, John Hodrien wrote: > On Wed, 9 Mar 2011, Ross Walker wrote: > >> On Mar 8, 2011, at 12:02 PM, John Hodrien wrote: >> >>> The absolute definiton of safe here is quite important. In the event of a >>> power loss, and a fai

Re: [CentOS] CentOS 5.5 does not recognise SAS drives with LSI 1068E Controller

On Mar 10, 2011, at 3:49 PM, John R Pierce wrote: > On 03/10/11 12:40 PM, Les Mikesell wrote: >> I thought there were also problems in layers like lvm that keep the OS >> from knowing exactly what happened. And a lot of software that should >> fsync at certain points probably doesn't because lin

Re: [CentOS] CentOS 5.5 does not recognise SAS drives with LSI 1068E Controller

On Mar 10, 2011, at 6:33 PM, Ross Walker wrote: > On Mar 10, 2011, at 3:49 PM, John R Pierce wrote: > >> On 03/10/11 12:40 PM, Les Mikesell wrote: >>> I thought there were also problems in layers like lvm that keep the OS >>> from knowing exactly what happene

Re: [CentOS] Server locking up everyday around 3:30 AM - (INFO: task wget:13608 blocked for more than 120 seconds) need sleep, help.

On Mar 11, 2011, at 12:33 PM, PJ wrote: > This may or may not be CentOS related, but am out of ideas at this > point and wanted to bounce this off the list. > > I'm running a CentOS 5.5 server, running the latest kernel > 2.6.18-194.32.1.el5. > > Almost everyday around 3:30 AM the server compl

Re: [CentOS] Replace NIS by Active Directory

On Mar 18, 2011, at 8:31 AM, "MOKRANI Rachid" wrote: > Hi, > > I'm looking a wiki or share experience for replace NIS authentication by > an existing Active directory Server (W2003). The problem is on the > management of id and gid. > > How to move 1000 actual NIS users to AD ? > How to keep t

Re: [CentOS] mdraid on top of mdraid

On Mar 21, 2011, at 3:21 PM, Emmanuel Noobadmin wrote: >> Since your exporting the storage as iSCSI, the host machine will see >> it as a raw disk, irrespective of how it's setup on the exported >> server. So, yes, you can do this. > > Sorry for my ambiguity, I meant that mdadm would be on the h

Re: [CentOS] EXT4 Filesystem Mount Failed (bad geometry: block count)

On Mar 23, 2011, at 6:05 AM, Balaji wrote: > Dear All, > > Currently using RHEL6 Linux and Kernel Version is 2.6.32-71.el6.i686 and DRBD > Version is 8.3.10 > > DRBD is build from source and Configured DRBD with 2 Node testing with > Simplex Setup > Server 1 : 192.168.13.131 IP Address and h

Re: [CentOS] ZFS @ centOS

On Apr 2, 2011, at 5:28 PM, Dawid Horacy Golebiewski wrote: > I pondered Solaris for some time, but as I do not intend to build the OS > "from scratch" and nexenta was to GUIed for me I started researching SME. > What puzzled me is the theory and the practice: RAIDz is the best > solution from

Re: [CentOS] File-system Corruption

On Apr 6, 2011, at 6:06 AM, James Bensley wrote: > Hi List, > > I suppose this isn't strictly CentOS but I'm talking about some 5.5 > servers so I thought someone else here may have had the same issues; > > We power on servers at night via IPMI and shut them down the same way > for automation.

Re: [CentOS] ZFS @ centOS

On Apr 5, 2011, at 4:19 PM, rai...@ultra-secure.de wrote: > > >> But ... >> I've been reading about some of the issues with ZFS performance and have >> discovered that it needs a *lot* of RAM to support decent caching ... >> the recommendation is for a GByte of RAM per TByte of storage just for

Re: [CentOS] Dag's RHEL Rebuild Project.

On Apr 12, 2011, at 3:55 PM, Dag Wieers wrote: > On Tue, 12 Apr 2011, Keith Keller wrote: > >> On Tue, Apr 12, 2011 at 07:59:56PM +0100, Ian Murray wrote: >> >>> Erm, the dev(s) *suggested* using an alternative distribution. >> >> The developers never suggested using this list to raise funds f

Re: [CentOS] 40TB File System Recommendations

On Apr 12, 2011, at 8:53 AM, Rudi Ahlers wrote: > On Tue, Apr 12, 2011 at 2:47 PM, Marian Marinov wrote: >> >> Steve, >> I'm managing machines with 30TB of storage for more then two years. And with >> good reporting and reaction we have never had to run fsck. >> >> However I'm sure that if you

Re: [CentOS] Dag's RHEL Rebuild Project.

On Apr 12, 2011, at 11:00 PM, Christopher Chan wrote: > On Wednesday, April 13, 2011 10:34 AM, Ross Walker wrote: >> On Apr 12, 2011, at 3:55 PM, Dag Wieers wrote: >> >>> On Tue, 12 Apr 2011, Keith Keller wrote: >>> >>>> On Tue, Apr 1

Re: [CentOS] 40TB File System Recommendations

On Apr 13, 2011, at 8:45 AM, Christopher Chan wrote: > On Wednesday, April 13, 2011 04:00 PM, Sorin Srbu wrote: > >> With today's CPU-performance and RAM available, software raids are not a >> problem >> to power. >> > > That depends. Software raid is fine for raid1 and raid0. If you want >

Re: [CentOS] Expanding RAID 10 array, WAS: 40TB File System Recommendations

On Wed, Apr 13, 2011 at 11:19 AM, Emmanuel Noobadmin wrote: > On 4/13/11, Rudi Ahlers wrote: >>> to expand the array :) >> >> I haven't had problems doing it this way yet. > > I finally figured out my mistake creating the raid devices and got a > working RAID 0 on two RAID 1 arrays. But I wasn't

Re: [CentOS] 40TB File System Recommendations

On Apr 13, 2011, at 7:26 PM, John Jasen wrote: > On 04/12/2011 08:19 PM, Christopher Chan wrote: >> On Tuesday, April 12, 2011 10:36 PM, John Jasen wrote: >>> On 04/12/2011 10:21 AM, Boris Epstein wrote: On Tue, Apr 12, 2011 at 3:36 AM, Alain Péan >>>

Re: [CentOS] 40TB File System Recommendations

On Apr 13, 2011, at 9:40 PM, Brandon Ooi wrote: > On Wed, Apr 13, 2011 at 6:04 PM, Ross Walker wrote: > > > > One was a hardware raid over fibre channel, which silently corrupted > > itself. System checked out fine, raid array checked out fine, xfs was > > replaced wi

Re: [CentOS] 40TB File System Recommendations

On Apr 14, 2011, at 6:54 AM, John Jasen wrote: > On 04/13/2011 09:04 PM, Ross Walker wrote: >> On Apr 13, 2011, at 7:26 PM, John Jasen wrote: > > > > >> Every now and then I hear these XFS horror stories. They seem too impossible >> to believe. >&g

Re: [CentOS] 40TB File System Recommendations

2011/4/14 Peter Kjellström : > On Tuesday, April 12, 2011 02:56:54 PM rai...@ultra-secure.de wrote: > ... >> > Steve, >> > I'm managing machines with 30TB of storage for more then two years. And >> > with >> > good reporting and reaction we have never had to run fsck. >> >> That's not the issue. >>

Re: [CentOS] 40TB File System Recommendations

2011/4/14 Peter Kjellström : > On Thursday, April 14, 2011 04:13:19 PM Steve Brooks wrote: >> On Thu, 14 Apr 2011, Peter Kjellström wrote: >> > On Tuesday, April 12, 2011 03:10:33 PM Lars Hecking wrote: >> >>> OTOH, gparted doesn't see my software raid array either. Gparted it >> >>> rather practic

Re: [CentOS] Expanding RAID 10 array, WAS: 40TB File System Recommendations

On Apr 15, 2011, at 4:48 AM, Rudi Ahlers wrote: > > > On Fri, Apr 15, 2011 at 10:40 AM, Ljubomir Ljubojevic wrote: > John R Pierce wrote: > > On 04/14/11 5:43 PM, Christopher Chan wrote: > >> On Friday, April 15, 2011 02:46 AM, John R Pierce wrote: > >>> On 04/14/11 7:44 AM, Christopher Chan w

Re: [CentOS] 40TB File System Recommendations

On Apr 15, 2011, at 9:17 AM, Rudi Ahlers wrote: > > > On Fri, Apr 15, 2011 at 3:05 PM, Christopher Chan > wrote: > On Friday, April 15, 2011 07:24 PM, Benjamin Franz wrote: > > On 04/14/2011 09:00 PM, Christopher Chan wrote: > >> > >> Wanna try that again with 64MB of cache only and tell us w

Re: [CentOS] 40TB File System Recommendations

On Apr 15, 2011, at 12:32 PM, Rudi Ahlers wrote: > > > On Fri, Apr 15, 2011 at 6:26 PM, Ross Walker wrote: > On Apr 15, 2011, at 9:17 AM, Rudi Ahlers wrote: > >> >> >> On Fri, Apr 15, 2011 at 3:05 PM, Christopher Chan >> wrote: >> On Friday,

Re: [CentOS] 40TB File System Recommendations

On Apr 17, 2011, at 3:05 AM, Charles Polisher wrote: > On Wed, Apr 13, 2011 at 11:55:08PM -0400, Ross Walker wrote: >> On Apr 13, 2011, at 9:40 PM, Brandon Ooi wrote: >> >>> On Wed, Apr 13, 2011 at 6:04 PM, Ross Walker wrote: >>>> >>>> O

Re: [CentOS] iscsi multipath fails

On Apr 21, 2011, at 4:28 PM, Adam Wead wrote: > Hi all, > > I have a Dell server running cent 5.6, new install, connecting to an IBM > DS3500. I have configured iscsi connections using iscsid and can log into > the targets on the IBM. I can also mount the LUNs when accessing them from > the

Re: [CentOS] how to access lvm inside lvm

On Apr 29, 2011, at 6:05 PM, Peter Peltonen wrote: > I have a centos 5.6 server that has xen domUs installed on their on > logical volumes. These logical volumes contain their own volume groups > and again their own logical volumes. I want to access the domU logical > volumes and tried this: > >

Re: [CentOS] Disc layout advice

On Tue, Oct 6, 2009 at 3:58 PM, Stephen Harris wrote: > On Tue, Oct 06, 2009 at 07:29:00PM +, Joseph L. Casale wrote: >> >You don't run pvcreate on lvm partitions.  You run pvcreate on the block >> >devices that will be added to the volume groups. >> >> You sure can run pvcreate on a partition

Re: [CentOS] Bare Metal vs virtualization

On Fri, Oct 9, 2009 at 3:18 PM, Scott Ehrlich wrote: > Hello to all: > > I know this list is generally Linux-only, but I figured I'd try to > gain wisdom from those with hard-core Windows needs, too. > > I was recently pricing out a high-end desktop system for a user who > will doing a lot of CAD,

Re: [CentOS] disk I/O problems and Solutions

On Fri, Oct 9, 2009 at 1:34 PM, Alan McKay wrote: > On Fri, Oct 9, 2009 at 1:28 PM, Ray Van Dolson wrote: >> Really hard to say what's going on.  Does your DB need optimization? >> Do the applications hitting it?  Maybe some indexing?  Maybe some more >> RAM on the machine would help?  What exact

Re: [CentOS] Possible to run iscsi-target and initiator on same server?

On Fri, Oct 9, 2009 at 5:37 PM, C Linus Hicks wrote: > I am trying to install Oracle RAC in a two node cluster for testing > purposes, so performance is not something that concerns me. I just want > to go through the process all the way to creating a database. I have all > the prerequisites except

Re: [CentOS] Possible to run iscsi-target and initiator on same server?

On Oct 9, 2009, at 6:14 PM, C Linus Hicks wrote: > > On Fri, 2009-10-09 at 17:53 -0400, Ross Walker wrote: >> On Fri, Oct 9, 2009 at 5:37 PM, C Linus Hicks >> wrote: >>> I am trying to install Oracle RAC in a two node cluster for testing >>> purposes,

Re: [CentOS] Possible to run iscsi-target and initiator on same server?

On Oct 10, 2009, at 12:29 AM, C Linus Hicks wrote: > On Fri, 2009-10-09 at 21:42 -0400, Ross Walker wrote: >> On Oct 9, 2009, at 6:14 PM, C Linus Hicks wrote: >>> >>> So for iet, that means /etc/iet/ietd.conf should define the Lun like >>> this: >>>

Re: [CentOS] Possible to run iscsi-target and initiator on same server?

On Oct 11, 2009, at 3:13 PM, C Linus Hicks wrote: > On Sun, 2009-10-11 at 12:36 -0400, Ross Walker wrote: >> What does the ietd.conf, initiators.allow and targets.allow look >> like? >> >> What is your network setup? Are you using a vif on the loopback? > >

Re: [CentOS] Possible to run iscsi-target and initiator on same server?

On Oct 11, 2009, at 5:14 PM, C Linus Hicks wrote: > On Sun, 2009-10-11 at 15:13 -0400, C Linus Hicks wrote: >> There's no VIF on loopback. The machine running iet has two NICs, the >> private interconnect should not be playing a role. It's IP address is >> 10.200.2.2/24 while the local subnet is

Re: [CentOS] Possible to run iscsi-target and initiator on same server?

On Oct 11, 2009, at 6:22 PM, C Linus Hicks wrote: > On Sun, 2009-10-11 at 17:51 -0400, Ross Walker wrote: >> I don't know much about open-iscsi, just IET and the best way to >> diagnose iSCSI problems is via tcpdump and wireshark not strace. >> >> Is the iscs

Re: [CentOS] Possible to run iscsi-target and initiator on same server?

On Mon, Oct 12, 2009 at 12:10 AM, C Linus Hicks wrote: > On Sun, 2009-10-11 at 23:26 -0400, Ross Walker wrote: >> Can you send a short tcpdump between initiator and target during >> discovery/login? > > Sure. Note that all this traffic is on the "lo" interface

Re: [CentOS] Possible to run iscsi-target and initiator on same server?

On Oct 12, 2009, at 12:48 PM, C Linus Hicks wrote: > On Sun, 2009-10-11 at 17:14 -0400, C Linus Hicks wrote: > >> strace output: >> --- >> --- >- Cut a bunch of lines >> socket(PF_INET, SOCK_STREAM, IPPROTO_TCP) = 6 >> s

Re: [CentOS] Best practice settings for channel bonding interface mode?

On Oct 14, 2009, at 8:55 AM, "Joseph L. Casale" wrote: >> E.g. I do have some fileservers connected to the users lan and to >> some >> ISCSI Storages. Or some Webservers only connected to the LAN. The >> switches are all new cisco models. > > Just as an example, the Microsoft ini recommends aga

Re: [CentOS] iscsi target for C5.x

On Oct 16, 2009, at 2:42 PM, John R Pierce wrote: > Does anyone have any recommendations for the best way to bring up a > iSCSI Target on a C5.3+ server ? Various blogs suggest compiling IET > from source, but thats not real appealing to me (not that I can't do > it, > I just don't want to ha

Re: [CentOS] iscsi target for C5.x

On Oct 16, 2009, at 8:24 PM, John R Pierce wrote: > Juergen Gotteswinter wrote: >> i use the atrpm iscsitarget for a long time now in high traffic >> setups. >> it performs very well, and is rock solid. no problems until now. go >> for >> it :) but disabling the atrpms repo after installing t

Re: [CentOS] Calling all Hackers from Big stan

On Mon, Oct 19, 2009 at 2:19 PM, ML wrote: > > >> I want to learn to hack what do I need to do in order to start. > > Umm, watch: > > Hackers: http://www.imdb.com/title/tt0113243/ > > Takedown: http://www.imdb.com/title/tt0159784/ > > Isn't that how we all learned? You're forgetting: Sneakers: h

Re: [CentOS] Calling all Hackers from Big stan

2009/10/19 Finnur Örn Guðmundsson : > On 19.10.2009 6:26, Ross Walker wrote: >> On Mon, Oct 19, 2009 at 2:19 PM, ML  wrote: >> >>> >>> >>>> I want to learn to hack what do I need to do in order to start. >>>> >>> Umm, watch: >

Re: [CentOS] openfiler (was: using CentOS as an iSCSI server?)

On Oct 20, 2009, at 6:47 PM, Alan McKay wrote: >> I thought the original object was to make the space available to >> multiple VMware ESX(i) servers so you could vmotion guests among >> them. >> Can ESX construct raids out of multiple iscsi sources? > > Well, my original may have been a bit obt

Re: [CentOS] using CentOS as an iSCSI server?

On Oct 21, 2009, at 5:38 AM, Rudi Ahlers wrote: > > Hi Rainer, > > I honestly don't want to spend a lot of cash on a proprietary system > like NetApp and actually want to use a lot of old tower machines (i.e. > limited space for hard drives, and no redundancy, slower CPU's, etc) > we already

Re: [CentOS] using CentOS as an iSCSI server?

On Oct 21, 2009, at 9:47 AM, Rainer Duffner wrote: > Chan Chung Hang Christopher schrieb: >> >> I suspect so. After all, it is just seen as a disk as far as md is >> concerned and it will do the same normal thing if you unplugged a >> single >> disk from the array. >> > > > But the latency ov

Re: [CentOS] using CentOS as an iSCSI server?

On Oct 21, 2009, at 11:43 AM, John R Pierce wrote: > >> Say, I had 4 devices with 500 GB drives exported using iSCSI. If a >> single larger server >> took those four iSCSI export drives, and created one md RAID 5 >> device, >> could a single >> server be turned off, and just degrade the array

Re: [CentOS] using CentOS as an iSCSI server?

On Oct 21, 2009, at 11:16 AM, Les Mikesell wrote: > Ross Walker wrote: >> On Oct 21, 2009, at 9:47 AM, Rainer Duffner >> wrote: >> >>> Chan Chung Hang Christopher schrieb: >>>> I suspect so. After all, it is just seen as a disk as far as md is >

Re: [CentOS] Upgrade to 5.4 with an existing XFS-filesystem

On Oct 22, 2009, at 7:11 AM, Bernhard Gschaider wrote: > >> On Tue, 20 Oct 2009 12:36:06 -0700 >> "AY" == Akemi Yagi wrote: > >AY> On Tue, Oct 20, 2009 at 11:51 AM, Bernhard Gschaider >AY> wrote: > >>> I've got a fileserver currently running under 5.3 with the >>> /home-partiti

Re: [CentOS] Persistent desktop icons ?

On Oct 22, 2009, at 8:46 AM, Niki Kovacs wrote: > Hi, > > Is it possible to configure persistent desktop icons, e. g. shortcuts > that users can't delete ? On most of my client desktops, I have some > home-made shortcuts, like here for example : > > http://www.microlinux.fr/configurations.html >

Re: [CentOS] Persistent desktop icons ?

On Oct 22, 2009, at 2:25 PM, Niki Kovacs wrote: > Ross Walker a écrit : > >> >> Look under /usr/share/(apps,applications,...) there should be a >> directory called Desktop that is used for both KDE and Gnome, part of >> the freedesktop initiative (like LSB for

Re: [CentOS] XFS might be available for i686 from the CentOS Plus repository.

On Oct 23, 2009, at 8:05 AM, Rainer Traut wrote: > Hi, > > the topic is an excerpt of the 5.4 release notes > and raises a question. > > I have a i386 server here, that has been running for nearly two years > with xfs module from extras repo. > When lookin at the module it was build against 2.6.1

Re: [CentOS] sudoers file

On Oct 29, 2009, at 1:35 AM, vijay shanker wrote: > Thanks guys, > > I have done my changes in the sudoers file. > > what i did is ; added a group with same access as root. > > how i am able to use sudo. but there is a problem. > > my machine is responding very slow for the sudo. It takes almost

Re: [CentOS] Default ACL question (EXECUTE BIT)

On Oct 30, 2009, at 7:13 AM, Jorge Fábregas wrote: > On Thursday 29 October 2009 10:32:30 pm nate wrote: >> It's been eons since I played with acls, but I thought you can >> only view acls via getfacl(or other similar commands) ls -l doesn't >> do anything to show acls, only unix-style permissi

Re: [CentOS] adding SAN "diskspace" to CentOS system residing on VMware

On Nov 2, 2009, at 10:15 AM, "Flaherty, Patrick" wrote: > If you are a good little doobie, check with your san admin to see if > you > need to change your starting block alignment. If he looks at you > funny, > take everything the man says to you with a grain of salt for the > rest of > y

Re: [CentOS] recommend benchmarking SW

On Nov 3, 2009, at 8:22 AM, Alan McKay wrote: > Hey folks, > > We've got some new hardware and are trying to figure out what best to > do with it. Either run CentOS right on the bare metal, or > virtualize, or several combination options. Mainly looking at : > > - CentOS on bare metal > - Cen

Re: [CentOS] LSI SAS snmp agent

On Nov 3, 2009, at 10:32 AM, "Joseph L. Casale" wrote: > Anyone set this up in CentOS? Can you shed some light on the > requirements, > does it require the LSI module, or does the rhel provided module > work just > fine? The LSI SAS SNMP module is an add-on to the RH SNMP module. It provid

Re: [CentOS] recommend benchmarking SW

On Nov 3, 2009, at 11:16 AM, Les Mikesell wrote: > Ross Walker wrote: >> On Nov 3, 2009, at 8:22 AM, Alan McKay wrote: >> >>> Hey folks, >>> >>> We've got some new hardware and are trying to figure out what best >>> to >>

Re: [CentOS] Right way to set IO scheduler on CentOS

On Nov 5, 2009, at 8:59 PM, Amos Shapira wrote: > Hello, > > I'd like to set the io scheduler on some of the disks on our Dom0 > (CentOS 5) to "deadline". > > The way I found to do this is with "echo deadline > > /sys/block/sdb/queue/scheduler". > > What is the Right Way(TM) to set this automatic

Re: [CentOS] administering an MS Windows partition under Linux

On Nov 6, 2009, at 3:31 PM, Kai Schaetzl wrote: > Boris Epstein wrote on Fri, 6 Nov 2009 14:21:39 -0500: > >> If I have a dual-boot machine (Linux and Windows) would I have any >> good tools under Linux that would allow me to look at the content of >> the Windows boot partition, administer it,

Re: [CentOS] Centos as a file storage/backup destination (Advice)

On Nov 8, 2009, at 2:22 PM, John R Pierce wrote: > Craig White wrote: >> agreed but I am not a fan of RAID-5 any more because it is so slow. >> Suggest RAID 10/0+1 >> > > generally, I'd agree, but for bulk storage like a backup server, the > drive count gets kind of higher. > > http://www.supermi

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