Discuss May 2006

discuss@lists.centos.org

233 participants
263 discussions

Centos and Software RAID
by Erick Perez 27 May '06

27 May '06

I purchased an Intel D945GNT motherboard and it comes in the BIOS with an option to create a RAID 0 or RAID 1 volumes using my existing two SATA disks. However when installing Centos 4.3 x86_64 I see the the installer recognices the two drives and does not "see" the RAID 0. Is that ok? Should I disable the RAID in the BIOS and then go for a LVM+RAID 0 setup in the installer ? Since it will be a server machine I want to gain the performance of RAID 0 without too much complications (i will use ext3 instead of ReiseFS) Thanks, -- ------------------------------------------- Erick Perez Linux User 376588 http://counter.li.org/ (Get counted!!!) Panama, Republic of Panama

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Thunderbird not automatically filter on incomming mail
by J.J.Garcia 27 May '06

27 May '06

Hi folks, I've noticed since long time ago that all the filters i have preset in thunderbird on CentOs are not automatically being applied as mail arrives. What i use to do is going to Tools->Run Filters on Folders being reading the "Local Folders -> Inbox" folder. Is there a way to preset it to automatically filter the incomming mail to the corresponding folders? I can remember some time ago it was working ok, but since a mail-store translation from a different machine to this one im having this issue for some accounts/filters only. $ rpm -q thunderbird thunderbird-1.0.8-1.4.1.centos4 TIA Jose.

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Yum usage
by Erick Perez 27 May '06

27 May '06

I copied the entire DVD of centos 4.3 to /centos43. Can i make yum install and resolve dependencies from there instead of downloading from the internet? -- ------------------------------------------- Erick Perez Linux User 376588 http://counter.li.org/ (Get counted!!!) Panama, Republic of Panama

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RE: [CentOS] Centos and Software RAID
by Mark Schoonover 27 May '06

27 May '06

Barry L. Kline <mailto:blkline@attglobal.net> tapped at Friday, May 26, 2006 2:56 PM: > Erick Perez wrote: >> I purchased an Intel D945GNT motherboard and it comes in the BIOS >> with an option to create a RAID 0 or RAID 1 volumes using my >> existing two SATA disks. However when installing Centos 4.3 x86_64 I >> see the the installer recognices the two drives and does not "see" >> the RAID 0. >> Is that ok? >> Should I disable the RAID in the BIOS and then go for a LVM+RAID 0 >> setup in the installer ? Since it will be a server machine I want to >> gain the performance of RAID 0 without too much complications (i >> will use ext3 instead of ReiseFS) > > Hi Erick. > > It's doubtful that your on-board RAID controller is going to work with > Linux. Most of the on-board controllers are really nothing more than > two SATA channels with the driver (for Windows) providing the RAID > functionality. Thus, you're really not gaining hardware RAID, in > spite > of what you are led to believe by the BIOS options. That's why Linux > is > reporting it as two drives. > > You have two choices: 1) Buy a hardware RAID controller (my choice > being the 3ware brand), or 2) use software RAID. Since that's what > you'd be getting anyways if you were using this board with Windows and > the appropriate driver, you're not losing anything. > > FWIW I've had no problems whatsoever when using software RAID. I use > it > on many of my servers. I'd like to know how things went with software raid when you've lost a drive in a mirror or RAID5. The times that's happened to me, I could never recover the partition - had to always restore from tape. After that point, it was hardware only. Software RAID works fine, as long as there's no problems. Mark

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Trying to find packages that depend on package X.
by William L. Maltby 27 May '06

27 May '06

Quick search in bout "man yum" and "man rpm" shows how to find what package X depends upon, but not what depends upon package X. Of course, we could get a deplist for everything but I'm *guessing* that take more overhead and grep too. "yum remove" tells us. Then we just have to remember to say "No, don't remove". Am I missing something... like I missed that big Google box on the archives? Anyway, if I haven't overlooked something, I was thinking that this might be a good enhancement request for yum's buglist. Do like remove but skip making us reliably answer "no". OK. Did I miss something? Is this a feature that others would find handy? Should I get it on a yum bug list? Thx, -- Bill

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RE: [CentOS] Centos and Software RAID
by Mark Schoonover 27 May '06

27 May '06

Rodrigo Barbosa <mailto:rodrigob@suespammers.org> tapped at Friday, May 26, 2006 3:15 PM: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On Fri, May 26, 2006 at 03:10:37PM -0700, Mark Schoonover wrote: >> Barry L. Kline <mailto:blkline@attglobal.net> tapped at Friday, May >> 26, 2006 2:56 PM: I'd like to know how things went with software >> raid when you've lost a drive in a mirror or RAID5. The times that's >> happened to me, I could never recover the partition - had to always >> restore from tape. After that point, it was hardware only. Software >> RAID works fine, as long as there's no problems. > > Never had a problem with that. Always worked fine for me. Had at > least 3 > different cases like that so far. Always recovered flawlessly. > Hmmm, maybe it was user error on my part? I lost a 2TB system system built on md, and then again with a 250GB system. It was tough getting 2TB off of tape in a quick manner! :) Ended up doing disk to disk backups, and staying away from software raid. Hardware raid really isn't that expensive these days, even for large 16 drive systems. Mark

2 1

Which libtiff 3.8.2 do I grab?
by Robert Moskowitz 26 May '06

26 May '06

Via google: libtiff 3.8.2 http://rpm.pbone.net/index.php3/stat/4/idpl/2839214/com/libtiff-3.8.2-2.x86… This got me to a page all about libtiff 3.8.2 for 'Fedora other' and a link http://rpm.pbone.net/index.php3?stat=3&search=libtiff&srodzaj=3 for other distributions. So which do I take? ? http://rpm.pbone.net/index.php3/stat/4/idpl/2845370/com/libtiff-3.8.2-2.i38… please, I really want to get this going!

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RE: [CentOS] Centos and Software RAID
by Mark Schoonover 26 May '06

26 May '06

Erick Perez <mailto:eaperezh@gmail.com> tapped at Friday, May 26, 2006 1:57 PM: > I purchased an Intel D945GNT motherboard and it comes in the BIOS with > an option to create a RAID 0 or RAID 1 volumes using my existing two > SATA disks. However when installing Centos 4.3 x86_64 I see the the > installer recognices the two drives and does not "see" the RAID 0. > Is that ok? > Should I disable the RAID in the BIOS and then go for a LVM+RAID 0 > setup in the installer ? > Since it will be a server machine I want to gain the performance of > RAID 0 without too much complications (i will use ext3 instead of > ReiseFS) > > Thanks, Erick, I ran into the same problem with my Dell system that had onboard SATA raid. I couldn't get it to work without seeing both SATA drives as individual drives. What I did instead was to use a 3Ware card to mirror the drives. I'm just not a big fan of SW raid, so I go hardware when I can. So far, all I have is the basic CentOS installed, this is my first time using CentOS since RH 7.3 days. HTH Mark

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startx
by JC 26 May '06

26 May '06

Hi guy, I just installed centos 4.3 with minimal option, then installed gnome. X server is woriking, bu how do I run "startx" automatically after boot process completed? Thanks

3 2

New member, new OS, old Tao user
by Steve Campbell 26 May '06

26 May '06

Mr. Parsley, the main man at the Tao Linux group, has announced that he will no longer be able to do his thing for Tao Linux. Just recently, I had decided to investigate CentOS 4 before his announcement, and liked a lot of what I saw. Due to the Tao announcement, I have decided that CentOS will "have" to be the OS for my company in the future. Hence, my new membership to this list. I would like any opionions any of you may have to offer, and perhaps, some suggestions on migration to CentOS 3.7 from Tao 1 Update 6. I have usually applied updates only when needed on my current servers. Some cannot be updated due to the commercial applications being ran on them. So my first concern is the lateral migration to make CentOS 3 work on my current Tao 1 machines. The next phase, which would have happened with Tao anyway, would be to upgrade to the 2.6 kernel of the newer release. Obviously, this will be CentOS 4 instead of Tao 4 now, but that will be much later. I apologize for the length of this, but could use the hindsight, or any other vision, that you might have on this switch over. My first thoughts would be that it shouldn't be that difficult, as both are based on the same sources, but things never seem to be as easy as I think they should. Most of my servers are service related (mailservers, web servers, etc), so this will need to be something I think about if there are great differences of which I am not aware. Unfortunately, I do not have spares to start from, so any suggestions should be based on upgrade/migrate versus installation. I couldn't find any "searchable" archives, and most of what I see is 4.3 related anyway, so I am sorry for not doing a lot of homework yet. But I will do my homework. Mr. Parsley has indicated that this is not urgent. I have nothing but respect for his efforts. Thanks for any time and suggestions you may have. Steve Campbell campbell(a)cnpapers.com Charleston Newspapers

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Discuss May 2006