Hi,
I am just playing around with a software RAID under RedHat 9
I have been able to mirror drives by creating the same partitions on each
drive, then creating a raidtab as following:
raiddev /dev/md0
raid-level1
nr-raid-disks 2
nr-spare-disks
Greetings list,
I'm writing a small software-RAID monitor - it just
parses through /proc/mdstat looking for bad raiddisks. I don't use
RAID-0 on my systems and so have no entry in /proc/mdstat. Anybody
using software RAID-0 care to mail me (offlist) their /proc/mdstat
so I can test
Hi
I want to move my /home dir into a software raid 1.
Currently 65 gig /dev/hda
partitioned:
Filesystem Size Used Avail Use% Mounted on
/dev/hda2 54G 19G 33G 38% /
/dev/hda1
46M 15M 29M 33% /boot
This is my plan:
1) Add /dev/hdb
2) Create a raid1
partition /tmp_home
Hi Ricky,
Since the system is remote, I'm not sure how to do that without looking
at the syslogs.
Oops. Yes, slipped my mind for a sec ;-). Probably not a second
machine there so you could have setup mutual serial consoles.
No problem. I'll see what happens with editing the linuxrc
On Fri, 2003-07-25 at 07:47, Leonard den Ottolander wrote:
Oops. Yes, slipped my mind for a sec ;-). Probably not a second
machine there so you could have setup mutual serial consoles.
Not at the moment, no. It's colo'd at an ISP, and if I need to ever
work on it, it has to be disconnected
Hi Ricky,
The last recommendation I noticed was to try and create a custom ramdisk
to force it to load the raid1 module.
Yeah, but I think you already compared the two images and came to the
conclusion that they are identical. In that case creating a ramdisk by
hand does not solve anything.
On Thu, 2003-07-24 at 08:16, Leonard den Ottolander wrote:
Yeah, but I think you already compared the two images and came to the
conclusion that they are identical. In that case creating a ramdisk by
hand does not solve anything. O yes, I did suggest you edited linuxrc
in the ramdisk to
On Wed, 2003-07-23 at 23:39, Peter Kiem wrote:
VMWare DOES support emulating IDE drives. Check out
http://www.vmware.com/support/ws4/doc/new_guest_steps_ws.html
If you select custom in configuration you can specify IDE drives instead
of the default SCSI drives.
VMware Workstation does, but
On Tue, 2003-07-22 at 10:07, Ricky Boone wrote:
Haven't seen a response from anyone concerning this issue, so ... *bump* :)
:( Seems like I'm talking to myself...
Dunno... it really looks like the RAM-disk is the answer...
BTW: I've tried the following:
# mkinitrd --preload raid1
Hi Ricky,
:( Seems like I'm talking to myself...
I am sorry nobody else jumps in. Problem with waiting such a long time
with your replies is it makes that I already forgot what the precise
problem was, what you have already tried to solve it, and what I did
recommend you to try.
BTW:
On Wed, 2003-07-23 at 10:20, Leonard den Ottolander wrote:
I am sorry nobody else jumps in. Problem with waiting such a long time
with your replies is it makes that I already forgot what the precise
problem was, what you have already tried to solve it, and what I did
recommend you to try.
Just a side note
I've recreated the situation on a VMware virtual machine I set up. The
only difference is that I have no control over the type of hard-drives
are emulated, per se, as it only allows SCSI. The real machine has
VMWare DOES support emulating IDE drives. Check out
to do
this?
Dunno... it really looks like the RAM-disk is the answer... perhaps Red
Hat should document this more visibly in their (dated) Software-RAID and
kernel upgrade howtos...
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On Thu, 2003-06-26 at 15:39, Leonard den Ottolander wrote:
What happens if you run raidstart /dev/md0 by hand? Getting the same errors?
# raidstart /dev/md0
/dev/md0: File exists
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My apologies for the delay. Real life and everything, ya know... :|
On Fri, 2003-07-04 at 18:11, Leonard den Ottolander wrote:
That looks like the initrd.img is usable - although I don't know what
raidautorun is, can you locate this script in the filesystem?
No, I'm not sure where it is.
Hi again,
Any tips as to what I should
look for when recreating the image, if necessary?
Include the appropriate modules. man mkinitrd.
Bye,
Leonard.
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Stop the use of depleted uranium ammo!
End all weapons of mass destruction.
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Hi Ricky,
Okay. lilo.conf uses an initrd image for both the 2.4.9-34 kernel, as well as
the 2.4.20-18.7 copy.
You could check if the initrd for 2.4.20 actually loads the appropriate raid
modules (compare it with the contents of the old one).
You should know the initrd.img is a gzipped
On Fri, 2003-07-04 at 15:20, Leonard den Ottolander wrote:
You could check if the initrd for 2.4.20 actually loads the appropriate raid
modules (compare it with the contents of the old one).
Both 2.4.9 and 2.4.20 have the same linuxrc script. The first module
that is loaded is the raid1
Hi Ricky,
Both 2.4.9 and 2.4.20 have the same linuxrc script. The first module
that is loaded is the raid1 module (insmod /lib/raid1.o). Later it
starts the raid on the partitions (raidautorun /dev/md0).
That looks like the initrd.img is usable - although I don't know what
raidautorun is,
Hi Ricky,
Missed this post, so one more comment on it:
Not sure, but I would think it's not a problem, since you are running
on a live file system, so there are probably open files. Maybe if you'ld
remount / ro the file system is reported as clean.
I've tried forcing an fsck on
On Thu, 2003-06-26 at 15:39, Leonard den Ottolander wrote:
What happens if you run raidstart /dev/md1 by hand? Getting the same errors?
Can I do this with the / partition already mounted?
BTW: I've updated nearly all rpm's available on up2date, including the
kernel. I'm still getting the
Hi Ricky,
What happens if you run raidstart /dev/md1 by hand? Getting the same errors?
Can I do this with the / partition already mounted?
Good question, because it probably answers why you are having problems in the
first place.
Since you are using / raid you need a initrd.img that
Good question, because it probably answers why you are having problems
in the first place.
Since you are using / raid you need a initrd.img that holds and loads
the
(new) raid modules before / is mounted. Check your lilo.conf or
grub.conf to verify that you did use an initrd before.
I'm going to try arranging the directives for 2.4.20-18.7 in the same
order as 2.4.9-34.
Rats. It didn't work. :| Same errors as before.
I'm going to check out the man page for mkinitrd, but it seems like there
is already one in /boot for the newer kernel. Any tips as to what I should
look
I actually have two questions related to this topic. Let me give a brief
rundown of my system setup, though.
The system is running Red Hat Linux 7.2. I am using Software-RAID for the
root partition (/dev/hda3 and /dev/hdd1 as /dev/md0 RAID-1), and a standard
ext3 partition for /boot. I am also
Hi Ricky,
The system is running Red Hat Linux 7.2. I am using Software-RAID for the root
partition (/dev/hda3 and /dev/hdd1 as /dev/md0 RAID-1), and a standard ext3
partition for /boot. I am also using kernel-2.4.9-34, but would like to
upgrade as soon as possible.
Before you upgrade
Before you upgrade the kernel, did you upgrade raidtools to the latest
version? Plus did you do all the other updates?
The raidtools RPM that's installed is version 0.90-24, which I'm assuming
is the latest since up2date doesn't mention it. As for all the other
updates, I'd have to say I've
On Thu, 2003-06-19 at 06:24, Ian Mortimer wrote:
You can do this from the installer (in graphical mode). Set up your
raid array first - then create the lvm on top of that - then partition
the lvm.
What about existing systems that have RH already installed -- is it
possible to add RAID
in degraded mode (one disk short)
copy data from the existing disk to the RAID system
boot the RAID system (from a floppy if necessary)
repartition the old disk and add it to the RAID array
See the Software-RAID HOWTO and the Boot+Root+Raid+LILO mini HOWTO
for examples.
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on stuff that might grow.
Any one have any thoughts on whether I can setup LVM and raid0 also? I
am just now starting to dig into the docs on software raid having never
done it before.
tips appreciated
Bret
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https
raid0 to mirror the drives and
I like to use LVM on stuff that might grow.
Any one have any thoughts on whether I can setup LVM and raid0 also? I
am just now starting to dig into the docs on software raid having never
done it before.
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=92223
The guy wants to use software raid0 to mirror the drives and
I like to use LVM on stuff that might grow.
There'd be no point in having lvm and raid0 on the same drives.
To get mirroring you'd want raid1 or raid5.
You can do this from the installer (in graphical mode). Set up your
raid array
why it is?
I'm a bit confused by this, but if I understand you right then the
software raid is working correctly.
Running 2 raid1 disks on the same IDE channel is not usually a good idea
- because of performance, and because if the IDE controller goes bang
then you have no system. I bought
Hi
I have a software raid1 (two 40GB ide) on one ide bus running under rh9, and
sometimes one of them breaks down, but /dev/md0 is still working. after
restarting raid, all is working normal. And no damage on one of both discs
Can anyone tell me why it is?
Thanks for help
---
Hi,
Since two days i am struggling with raidtools,
mkraid /dev/mdo etc etc .. But could only mirror first two partitions.. I
want to mirror the entire HDD, and if anyone has done this, please let me
know..
When i specify hda5 hdb5 in raidtab, it says
that the hda5 is mounted and hence
I have only done software raid 1 as set up by Red Hat (and once, as a
test, Mandrake).
As of Red Hat 8.0 the installer is smarter about raid, uses grup
correctly, etc.
-kb
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body done Software RAID
1 ??
Hi,
Since two days i am struggling with raidtools,
mkraid /dev/mdo etc etc .. But could only mirror first two partitions..
I want to mirror the entire HDD, and if anyone has done this, please let me
know..
When i specify hda5 hdb5 in raidtab
On Thu, Dec 19, 2002 at 02:18:49PM -0600, Bret Hughes wrote:
Sort of a bummer since we use the distro for non server based tasks but
require considerable testing before rolling out a config. I would think
that this will slow down the acceptance of RHL on the corporate desktop
as well for
Ed Wilts said:
On Wed, Dec 18, 2002 at 02:52:28PM -0800, nate wrote:
have you tested your raid1 ? I have only had 1 failure with software
raid 1 on linux out of about 10 arrays. And when it failed the system
went with it. IMO, the point of software raid is to protect data, not
protect uptime
Ben Russo wrote:
On Wed, 2002-12-18 at 17:52, nate wrote:
Really? I haven't had the fun of playing with any IDE HW Raid devices..
But do you have LOTS of experiences with this? Or is it just a few cases?
I am curious because I am considering purchasing some Promise HW IDE
RAID arrays that have
On Thu, Dec 19, 2002 at 09:54:51AM -0500, Warren Johnson wrote:
I'm using a Promise RAID controller on my home system with 6 drives. I
wanted to try it before I put it on a lot of other systems. I haven't
had any problems with it, but it does take Promise a long time to get
new drivers
On Thu, 2002-12-19 at 13:53, Ed Wilts wrote:
On Thu, Dec 19, 2002 at 09:54:51AM -0500, Warren Johnson wrote:
I'm using a Promise RAID controller on my home system with 6 drives. I
wanted to try it before I put it on a lot of other systems. I haven't
had any problems with it, but it does
On Thu, Dec 19, 2002 at 02:18:49PM -0600, Bret Hughes wrote:
On Thu, 2002-12-19 at 13:53, Ed Wilts wrote:
Sort of a bummer since we use the distro for non server based tasks but
require considerable testing before rolling out a config. I would think
that this will slow down the acceptance of
I am running software RAID on a RH 7.2 box (raidtools-0.90-23). I have
configured all system partitions to be mirrored, including swap. The
question is: Does swapping on RAID work?
The reason I ask is the following document on software RAID (which happens
to be the most current RAID document
David Neilson said:
I am running software RAID on a RH 7.2 box (raidtools-0.90-23). I have
configured all system partitions to be mirrored, including swap. The
question is: Does swapping on RAID work?
I do not think software raid can work with swap. unless you use a swap
file .. hardware
On Wed, Dec 18, 2002 at 12:44:34PM -0800, nate wrote:
David Neilson said:
I am running software RAID on a RH 7.2 box (raidtools-0.90-23). I have
configured all system partitions to be mirrored, including swap. The
question is: Does swapping on RAID work?
I do not think software raid
, December 18, 2002 1:38 PM
To: [EMAIL PROTECTED]
Subject: Re: Software RAID and SWAP
On Wed, Dec 18, 2002 at 12:44:34PM -0800, nate wrote:
David Neilson said:
I am running software RAID on a RH 7.2 box (raidtools-0.90-23). I have
configured all system partitions to be mirrored, including swap
raid
1 on linux out of about 10 arrays. And when it failed the system went with
it. IMO, the point of software raid is to protect data, not protect uptime.
Data can still be lost due to unclean unmount and stuff, but much of the
data would be intact. The one failure I had was on an IDE system
Fail, and Dell Perc3 HW RAID Arrays Fail when disks that had died were
being removed and/or replaced (not that another disk died before
rebuild, but that the system hardware crashed and had to be power
cycled) So it isn't just IDE Hardware...
I would not trust software raid on a system
Ben Russo said:
Really? I haven't had the fun of playing with any IDE HW Raid devices..
But do you have LOTS of experiences with this? Or is it just a few cases?
I am curious because I am considering purchasing some Promise HW IDE RAID
arrays that have SCSI Host Interfaces? They just seem
On Wed, Dec 18, 2002 at 02:52:28PM -0800, nate wrote:
have you tested your raid1 ? I have only had 1 failure with software raid
1 on linux out of about 10 arrays. And when it failed the system went with
it. IMO, the point of software raid is to protect data, not protect uptime.
Data can still
PM
To: [EMAIL PROTECTED]
Subject: Re: Poor performance, high disk queue on software RAID
partition
Rechenberg, Andrew said:
Sorry for the cross-post, but I wanted to hit all areas which may be a
contributing factor to my issue.
sounds like your situation may be related to this:
http
Sorry for the cross-post, but I wanted to hit all areas which may be a
contributing factor to my issue.
I have a Dell PowerEdge 6600, quad Xeon 1.4GHz, HT enabled, 8GB RAM,
with a PERC3/QC attached to two Dell PowerVault 220S disk SCSI disk
arrays. The PERC is doing hardware RAID1 across
would be to
run it without software raid and see what happens. I've never
heard of someone running software raid ontop of hardware raid..
interesting
nate
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Hello,
Found numerous journaling errors from a RAID 0, spanned over three drives at
/dev/md0. Any ideas on why or how the file system fell apart? Below are
snips of the errors reported:
snip
Nov 27 00:47:44 RHserver kernel: EXT3-fs error (device md(9,0)):
ext3_free_blocks: Freeing blocks not in
James D. Parra wrote:
Hello,
Found numerous journaling errors from a RAID 0, spanned over three drives at
/dev/md0. Any ideas on why or how the file system fell apart? Below are
snips of the errors reported:
snip
Nov 27 00:47:44 RHserver kernel: EXT3-fs error (device md(9,0)):
On Wed, 2002-11-27 at 11:15, James D. Parra wrote:
Found numerous journaling errors from a RAID 0, spanned over three drives at
/dev/md0. Any ideas on why or how the file system fell apart? Below are
snips of the errors reported:
What kernel? I believe the SMP kernel included with 7.3 had
Title: Changing the SOFTWARE RAID
I currently have (2) 9.1GB SCSI hd's in the new server I am building. I software RAID'd them to do mirroring (RAID1).
I'm thinking about adding a 3rd SCSI drive to the system and making it do RAID5 instead - sometime in the future. Has anyone
On Tue, Oct 29, 2002 at 12:59:32PM -0600, Simpson, Doug wrote:
I have set up a (software) RAID-1 (mirroring two drives) with RH
7.3. Setup was easy but I want to test it. I cannot find this
info. Can someone point me in the right direction or give me some
info on recovery using software
[mailto:kentborg-rhl;borg.org]
Sent: 30 October 2002 15:38
To: [EMAIL PROTECTED]
Subject: Re: software raid recovery
On Tue, Oct 29, 2002 at 12:59:32PM -0600, Simpson, Doug wrote:
I have set up a (software) RAID-1 (mirroring two drives) with RH
7.3. Setup was easy but I want to test it. I cannot
On Wed, Oct 30, 2002 at 03:49:51PM -, Edward Wildgoose wrote:
Just make sure that both disks are bootable and have a boot sector
and then both disks should work. Unplug one at a time to check.
Most BIOS's boot from the first disk they find with a master boot
record, having both bootable
in primary disk again and you are set
-Original Message-
From: Kent Borg [mailto:kentborg-rhl;borg.org]
Sent: 30 October 2002 16:05
To: [EMAIL PROTECTED]
Subject: Re: software raid recovery
On Wed, Oct 30, 2002 at 03:49:51PM -, Edward Wildgoose wrote:
Just make sure that both disks
I have set up a (software) RAID-1 (mirroring two drives) with RH 7.3. Setup
was easy but I want to test it. I cannot find this info. Can someone point
me in the right direction or give me some info on recovery using software
raid on a RH 7.3 box?
Thanks,
Doug
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you're looking for raidsetfaulty and raidhotremove/raidhotadd (raidstart,
raidstop)
man -k raid
http://lrp.steinkuehler.net/Packages/raid.htm
--Dave
On Tuesday 29 October 2002 10:59 am, Simpson, Doug wrote:
I have set up a (software) RAID-1 (mirroring two drives) with RH 7.3.
Setup
Hi, Im getting some strange errors when copying to my 2 software raided
maxtor 120gb hd's, the error msg is:
Oct 9 10:38:07 FilServer kernel: hdd: timeout waiting for DMA
Oct 9 10:38:07 FilServer kernel: ide_dmaproc: chipset supported
ide_dma_timeout func only: 14Oct 9 10:38:07 FilServer
Kent,
Would it be possible to share your script with me (and the list)? I run
software raid and have been looking for an effective way to monitor my
mirrored raid drives.
Thanks,
Trevor
gnuguy.com
The greatest risk to computer reliability is complexity. That's why,
when I crafted a little
On Thu, Oct 03, 2002 at 09:43:22AM -0600, Trevor wrote:
Kent,
Would it be possible to share your script with me (and the list)? I run
software raid and have been looking for an effective way to monitor my
mirrored raid drives.
Hmm... Maybe monitoring /proc/mdstat with tripwire would do
On Thu, Oct 03, 2002 at 09:43:22AM -0600, Trevor wrote:
Would it be possible to share your script with me (and the list)? I run
software raid and have been looking for an effective way to monitor my
mirrored raid drives.
Try the following:
This is a very simple utility for Linux systems
.)
2. I can't seem to find a document describing how software RAID really works
technically. (Yes, I could read the source, but I'm not the most proficient C person,
nor do I want to work all weekend looking at the source either.) I had a problem the
other day, where I had a md0 device
1. When using fdisk, is it really required (or a good idea)
to create the partitions as type fd? I've typically just
2. I can't seem to find a document describing how software
RAID really works technically. (Yes, I could read the
3. Is persistent-superblock supported with Linear
I'm sorry if RedHat covers some of these things in updates. I've not been able to
sign up my RHAS servers to the RedHat Network yet to see/get the appropriate updates.
(No I don't have an unsecure system connected to the 'net... I don't have any
connectivity at all.)
Running RHAS 2.1
Hi all folks,
I am going to experiment software RAID 5. Any folks on the list have
experience and what are your comment ?
Proposed setup :-
Hardware available
2 ATA133 hard discs
1 ATA100 hard disc
1 ATA 133 hard disc connected to IDE (primary) slot of the motherboard as
MASTER
At 17:26 15/08/2002 +0800, you wrote:
Hi all folks,
I am going to experiment software RAID 5. Any folks on the list have
experience and what are your comment ?
Proposed setup :-
Hardware available
2 ATA133 hard discs
1 ATA100 hard disc
1 ATA 133 hard disc connected to IDE
card
to solve this problem, 2 ATA 133 hard discs connected to its slots (it has
2 slots) and the 3rd hard disc connected to primary IDE of the
motherboard. Its BIOS boots the PC at start.
It becomes Hardware RAID + Software RAID in one PC. Can it work?
Have you had any comments?
4
) and the 3rd hard disc connected to primary IDE of the
motherboard. Its BIOS boots the PC at start.
That sounds fine. As long as the RedHat installer sees three drives, you'll
be OK.
It becomes Hardware RAID + Software RAID in one PC. Can it work?
The only time I've seen something similar
. Its BIOS boots the PC at start.
That sounds fine. As long as the RedHat installer sees three drives,
you'll be OK.
Noted. My experiment will inform me.
It becomes Hardware RAID + Software RAID in one PC. Can it work?
The only time I've seen something similar to what (I think) you mean
Hi Nick,
I have another question on partition of hard disc to make 5 hard discs and
expect to have your advice.
I have only 3 hard discs
2 x ATA133, 40 G
1 x ATA100, 40 G
Which 2 hard discs shall be partitioned? Is it equal size?
Another question is I am compelled to plug a hard disc to
I'm running 7.2 and I started having a raid problem a few days ago. During
bootup I get a message about an inconsistent superblock. The offending disk is
kicked from the raid and the raid continues with the remaining disk. E2FSCK
doesn't find any problem.
How can this be fixed?
mw
--
I recently set up a Linux file server, with a software RAID which mirrors
two 80 gig drives, the home drives get tarred onto different tapes during
night. So a rather save fileserver/backup solution. I thought. I am using
two IDE IBM Deskstar 80 gig drives. One of the two drives came already
http://www.redhat.com/docs/manuals/linux/RHL-7.3-Manual/custom-guide/s1-raid-approaches.html
doesn't reveal too much but from what they say it would imply that they may be
able to to what you say as hardware raid does.
I would think that newfs'ing the drive may work followed by stoping the
Hello,
I am getting an error attempting to unmount a raid on /dev/md0.
umount /raid: device is busy.
I tried stopping the raid, with 'raidstop', but still can't 'umount' the
raid.
After creating an ide raid with raid5 and one spare, how does one format the
raid, /dev/md0, with an ext3 file
The problem may be that there is one or more processes which have open
files (including the working directory) which are preventing you from
unmounting the device. I don't think that the raid has anything to do
with it. Try entering the command fuser -m /dev/md0 to get a list of
process ids
, but not do a reinstall. Any
sugestions?
Thank you,
James D. Parra
[EMAIL PROTECTED]
-Original Message-
From: Stephen Gevers [mailto:[EMAIL PROTECTED]]
Sent: Monday, July 01, 2002 11:21 AM
To: [EMAIL PROTECTED]
Subject: Re: Problems adding ext3 file system to software raid
The problem may
of commands
to run in this fs check prompt mode?
Trev.
man fsck?
I don't know squat about the software raid deal, though I am assuming
that it is a feature that is always on. Might not hurt to do some
googleing for software raid fsck or some such thing and see if there is
any tips one
PROTECTED]
Subject: RE: software raid corrupt ext2 fs [was: How to configure
private IP addresses?]
On Thu, 2002-04-11 at 12:21, Trevor wrote:
Hi Bret,
Thanks for the quick reply. I guess I overestimated the RAID's
capabilities
at preventing this sort of thing.
Because now both hard
Hi Bret,
Thanks for the quick reply. I guess I overestimated the RAID's capabilities
at preventing this sort of thing.
Because now both hard drives are corrupt when I boot.
Is there anything else a person can do? Where can I find a list of commands
to run in this fs check prompt mode?
Trev.
I am going to be building a new RH 7.2 server with a HPT 370 controller.
After watching the discussion on this list, I have decided not to use
HighPoint's driver for RAID but to use the software RAID that comes with
RH. I have a couple of questions regarding this and would appreciate
any help
Hello,
I am having some trouble getting GRUB configured to boot from a software RAID
device. The documentation seems to indicate that software RAID devices are
supported and I've found posts indicating that people have it working, so at
least I don't think I'm trying to do the impossible.
I
On Mon, Jan 07, 2002 at 11:26:56AM -0500, Kevin M. Myer wrote:
I am having some trouble getting GRUB configured to boot from a software RAID
device. The documentation seems to indicate that software RAID devices are
supported and I've found posts indicating that people have it working, so
I have two identical ide drives that I want to set up software RAID 1 on. I
already
partitioned and installed hda and am getting ready to partition hdb the
partitions on hda are as follows:
hda1 swap
hda2 /
hda5 /usr
hda6 /var
hda7 /home
I am not sure of the proper way to partition hdb. Do I
On Wed, Jan 17, 2001 at 06:40:30AM -0500, Steve Gulick a ecrit:
I have two identical ide drives that I want to set up software RAID 1 on. I
already
partitioned and installed hda and am getting ready to partition hdb the
partitions on hda are as follows:
[snip]
I am not sure of the proper
Eric Sisler wrote:
Cokey de Percin [EMAIL PROTECTED] wrote:
I've been playing with the software raid tools; testing speed and
durability. It all works very well. The one thing I haven't been
able to do is recover a drive. I set up a 3 drive raid 5 system
and pulled the plug on one
I've been playing with the software raid tools; testing speed and
durability. It all works very well. The one thing I haven't been
able to do is recover a drive. I set up a 3 drive raid 5 system
and pulled the plug on one drive while the system was running.
No problem; the system kept
Is it possible to have Bootable RAID1 support with 2.2.17 kernel?
TIA
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Good morning
I think I successfully got raid 1 up via a full install. I have only the
main data mirrored.
It would be nice to mirror the full drive but I will try that later.
If that is not possible please tell me not to waste my time.
For now, could someone tell me how the system will notify
ld imagine syslog will start spewing messages to /var/log/messages and
the console. I don't know exactly what they'll say but it should be pretty
obvious. (Something about mirror X not working and continuing to run in
degraded mode IIRC.) You can also check the status of your software RAID
Hi
I have been told that very few people if any use software raid.
Do any of you use it?
What is your opinion of it?
Does it support 0/1?
Do you have a feel for any performance degradation that might be caused by
it?
Feel free to address me directly rather than load up the list. Everyone else
many people do use it, there are several howtos.
Also, check out the mailing list, last I knew was
on [EMAIL PROTECTED]
--
Edward Schernau,mailto:[EMAIL PROTECTED]
Network Architect http://www.schernau.com
RC5-64#: 243249 e-gold acct #:131897
resond to the list please :)
On Thu, 7 Sep 2000, Jim Baxter wrote:
Hi
I have been told that very few people if any use software raid.
Do any of you use it?
What is your opinion of it?
Does it support 0/1?
Do you have a feel for any performance degradation that might be caused
On Thu, Sep 07, 2000 at 11:45:14AM -0400, Edward Schernau wrote:
: many people do use it, there are several howtos.
: Also, check out the mailing list, last I knew was
: on [EMAIL PROTECTED]
I *was* running the software raid code on a pair of 18G drives, done RAID0
style. The controller
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