Re: RAID Questions

2010-09-04 Thread Jesús M. Navarro
Hi, Miles: On Friday 09 July 2010 22:10:46 Miles Fidelman wrote: Tom H wrote: On Tue, Jul 6, 2010 at 8:15 PM, Miles Fidelman mfidel...@meetinghouse.net wrote: shell grub-install hd0 shell grub-install hd1 With these grub-install invocations, you will not be able to boot in

Re: RAID Questions

2010-07-18 Thread Henrique de Moraes Holschuh
On Tue, 06 Jul 2010, Boyd Stephen Smith Jr. wrote: On Tuesday 06 July 2010 13:04:27 Alan Chandler wrote: On 06/07/10 18:15, Miles Fidelman wrote: part2 primary Linux RAID 3G for swap Personally. I can't see the point in using RAID for swap. If your system is actively using swap

Re: RAID Questions

2010-07-10 Thread Tom H
On Fri, Jul 9, 2010 at 4:10 PM, Miles Fidelman mfidel...@meetinghouse.net wrote: Tom H wrote: On Tue, Jul 6, 2010 at 8:15 PM, Miles Fidelman mfidel...@meetinghouse.net  wrote: shell  grub-install hd0 shell  grub-install hd1 With these grub-install invocations, you will not be able to

Re: RAID Questions

2010-07-09 Thread Bob Proulx
Kent West wrote: Bob Proulx wrote: I recommend that you ignore the hardware raid and instead use software raid. The Debian installer can set up software raid for you at system installation time. It is easy. But it is also a little confusing. ... It still wasn't easy, but it worked. I

Re: RAID Questions

2010-07-09 Thread Tom H
On Tue, Jul 6, 2010 at 8:15 PM, Miles Fidelman mfidel...@meetinghouse.net wrote: shell grub-install hd0 shell grub-install hd1 With these grub-install invocations, you will not be able to boot in degraded mode. You have to set both sda and sdb to hd0 but you cannot do that in device.map. You

Re: RAID Questions

2010-07-09 Thread Miles Fidelman
Tom H wrote: On Tue, Jul 6, 2010 at 8:15 PM, Miles Fidelman mfidel...@meetinghouse.net wrote: shell grub-install hd0 shell grub-install hd1 With these grub-install invocations, you will not be able to boot in degraded mode. You have to set both sda and sdb to hd0 but you cannot

Re: RAID Questions

2010-07-08 Thread Kent West
On 07/07/2010 11:15 AM, Kent West wrote: On 07/06/2010 10:57 AM, Bob Proulx wrote: I recommend that you ignore the hardware raid and instead use software raid. The Debian installer can set up software raid for you at system installation time. It is easy. But it is also a little confusing.

Re: RAID Questions

2010-07-07 Thread Kent West
On 07/06/2010 10:57 AM, Bob Proulx wrote: I recommend that you ignore the hardware raid and instead use software raid. The Debian installer can set up software raid for you at system installation time. It is easy. But it is also a little confusing. I beg to differ with you about it

RAID Questions

2010-07-06 Thread Kent West
I am a RAID newb. I have a brand-new Dell Precision T1500 workstation with two 700GB SATA drives, pre-loaded with Windows 7. Of course, Win7 has already been wiped off. My goal is to have a redundant Debian (Stable) system, such that the second drive is a mirror of the first drive. I would

Re: RAID Questions

2010-07-06 Thread Michal
On 06/07/2010 16:16, Kent West wrote: I am a RAID newb. I have a brand-new Dell Precision T1500 workstation with two 700GB SATA drives, pre-loaded with Windows 7. Of course, Win7 has already been wiped off. My goal is to have a redundant Debian (Stable) system, such that the second drive is a

Re: RAID Questions

2010-07-06 Thread Kent West
On 07/06/2010 10:35 AM, Michal wrote: On 06/07/2010 16:16, Kent West wrote: I am a RAID newb. I have a brand-new Dell Precision T1500 workstation with two 700GB SATA drives, pre-loaded with Windows 7. Of course, Win7 has already been wiped off. My goal is to have a redundant Debian (Stable)

Re: RAID Questions

2010-07-06 Thread Bob Proulx
Kent West wrote: I thought there was HARDWARE RAID and SOFTWARE RAID. There is. Not knowing anything about it, I would have thought that with HARDWARE RAID, you'd go into the BIOS of the special drive-controller hardware (Ctrl-I in this case, just after the Consider this problem of using

Re: RAID Questions

2010-07-06 Thread Camaleón
On Tue, 06 Jul 2010 10:16:17 -0500, Kent West wrote: I am a RAID newb. (...) In short, I have no idea what I'm doing, or how to do it. First, hardware raid and software raid are two different worlds (involving different management techniques and performance). There is still a third raid

Re: RAID Questions

2010-07-06 Thread Michal
So..., you're saying that if I want to learn to use RAID, I should use Windows? I've been doing research on RAID for the past week, and none of the documentation I've found addresses my issues. No no, not at all. Have you tried running through a guide? A quick search will give you

Re: RAID Questions

2010-07-06 Thread Kent West
On 07/06/2010 10:57 AM, Bob Proulx wrote: Kent West wrote: I thought there was HARDWARE RAID and SOFTWARE RAID. There is. Not knowing anything about it, I would have thought that with HARDWARE RAID, you'd go into the BIOS of the special drive-controller hardware (Ctrl-I in this

Re: RAID Questions

2010-07-06 Thread Kent West
On 07/06/2010 11:13 AM, Camaleón wrote: On Tue, 06 Jul 2010 10:16:17 -0500, Kent West wrote: I am a RAID newb. (...) In short, I have no idea what I'm doing, or how to do it. Second, are you sure you need a raid setup? :-) Nope; that's why I asked if I should go

Re: RAID Questions

2010-07-06 Thread Miles Fidelman
On 06/07/2010 16:16, Kent West wrote: I am a RAID newb. My goal is to have a redundant Debian (Stable) system, such that the second drive is a mirror of the first drive. I would think RAID1 would be the route to go. However, being a RAID newbie, I'm running into all sorts of problems, not

Re: RAID Questions

2010-07-06 Thread Alan Chandler
On 06/07/10 18:15, Miles Fidelman wrote: 1. start installer, go through initial steps (keyboard, network, etc.) 2. start up disk partitioner -- create partitions - here's what I go with (but for servers) - do this for each drive (personally, I find it easer to do this with fdisk) part1

Re: RAID Questions

2010-07-06 Thread Camaleón
On Tue, 06 Jul 2010 11:27:31 -0500, Kent West wrote: On 07/06/2010 11:13 AM, Camaleón wrote: Second, are you sure you need a raid setup? :-) Nope; that's why I asked if I should go RAID or some other cloning technique. Is a home computer or a server/workstation? Can you (or

Re: RAID Questions

2010-07-06 Thread Alan Chandler
On 06/07/10 16:57, Bob Proulx wrote: Kent West wrote: partition and set mount points, the installer continues, but then won't install grub or lilo. I always create a separate /boot partition because I also configure LVM and grub doesn't know how to boot off of lvm. Therefore a separate

Re: RAID Questions

2010-07-06 Thread Kent West
On 07/06/2010 11:21 AM, Michal wrote: So..., you're saying that if I want to learn to use RAID, I should use Windows? I've been doing research on RAID for the past week, and none of the documentation I've found addresses my issues. No no, not at all. Have you tried running through a

Re: RAID Questions

2010-07-06 Thread Kent West
On 07/06/2010 11:13 AM, Camaleón wrote: On Tue, 06 Jul 2010 10:16:17 -0500, Kent West wrote: How do I get around the problems I'm seeing in the Debian paritioner (no bootable flag ... I'm thinking this must be a bug in the installer's partitioner. If I let the install create partitions

Re: RAID Questions

2010-07-06 Thread Alan Chandler
On 06/07/10 19:30, Kent West wrote: On 07/06/2010 11:13 AM, Camaleón wrote: On Tue, 06 Jul 2010 10:16:17 -0500, Kent West wrote: How do I get around the problems I'm seeing in the Debian paritioner (no bootable flag ... I'm thinking this must be a bug in the installer's partitioner. If I

Re: RAID Questions

2010-07-06 Thread Boyd Stephen Smith Jr.
On Tuesday 06 July 2010 13:04:27 Alan Chandler wrote: On 06/07/10 18:15, Miles Fidelman wrote: part2 primary Linux RAID 3G for swap Personally. I can't see the point in using RAID for swap. If your system is actively using swap [1], and the disk that swap resides on fails you will

Re: RAID Questions

2010-07-06 Thread Bob Proulx
Kent West wrote: I'm thinking this must be a bug in the installer's partitioner. If I let the install create partitions automatically, the bootable flag is set. But if I unset it and then try to re-set it, or if I manually create partitions, I can not set the bootable flag. It stays off.

Re: RAID Questions

2010-07-06 Thread Kent West
On 07/06/2010 04:44 PM, Bob Proulx wrote: Kent West wrote: I'm thinking this must be a bug in the installer's partitioner. If I let the install create partitions automatically, the bootable flag is set. But if I unset it and then try to re-set it, or if I manually create partitions, I can

Re: RAID questions (again)

2009-08-12 Thread kj
ghe wrote: I've partitioned a server disk fairly heavily, and I want to RAID1 it. I see on the 'Net that there's such a thing as partitionable RAID arrays. But I also read that this isn't such a good idea. Seems pretty good to me: build an array of unpartitioned drives, and slice it up. Is

Re: RAID questions (again)

2009-08-12 Thread Sam Leon
kj wrote: ghe wrote: I've partitioned a server disk fairly heavily, and I want to RAID1 it. I see on the 'Net that there's such a thing as partitionable RAID arrays. But I also read that this isn't such a good idea. Seems pretty good to me: build an array of unpartitioned drives, and slice

RAID questions (again)

2009-08-11 Thread ghe
I've partitioned a server disk fairly heavily, and I want to RAID1 it. I see on the 'Net that there's such a thing as partitionable RAID arrays. But I also read that this isn't such a good idea. Seems pretty good to me: build an array of unpartitioned drives, and slice it up. Is there

RAID questions/advise

2008-09-24 Thread Michael S. Peek
Hi guys, I've had a couple of RAID boxes ticking away in the corner for years now without a problem. But now our needs have expanded, and I'm looking to build replacements. Big replacements. And I consider myself to be anything but an expert in the field, especially where mdadm is

Re: RAID questions/advise

2008-09-24 Thread Alex Samad
On Wed, Sep 24, 2008 at 12:59:57PM -0400, Michael S. Peek wrote: Hi guys, I've had a couple of RAID boxes ticking away in the corner for years now without a problem. But now our needs have expanded, and I'm looking to build replacements. Big replacements. And I consider myself to be