Hi,
While testing raid1 (raidsetfaulty, raidhotremove, raidhotadd, repeat),
I managed to get one raid set in a state where nr_disks was incorrect.
This became a problem when trying to use lilo, because it would only write
to one of the disks (since nr_disks was 1).
With one disk in the set
Greetings and apologies from the get-go for bothering you!
I'm working my way through implementing RAID-1 on my RH6.2 system
and saw that your email gets referenced on the mkraid -f command.
I'm following the latest Software-RAID HOWTO along with the instructions
available from RedHat and have
Hi,
I try to configure a RAID-1 system, but I have some problems.
First of all I have tried to send a email to [EMAIL PROTECTED]
and
[EMAIL PROTECTED] to be part of this list without any
results.
I'm running a Debian 2.2 system (potato). I downloaded the 2.2.16 kernel
and
the raid-2.2.16-A0
Hi Martin,
When I changed to "failed-disk 1" it works, even if I have to use the
undocumented special force. Thank you for your help!
Now my /proc/mdstat says:
# cat /proc/mdstat
Personalities : [linear] [raid0] [raid1] [raid5]
read_ahead 1024 sectors
md0 : active raid1 hda1[0] 64128 blocks
Hi Hugh,
I got the help with the failed-disk as you should see in my previous reply
to the list.
I sent a subscribtion mail on 3rd of July and I got a reply from majordomo
like below. I guess the problems is that my header-lines and my requested
email address don't match. We are changing the
Hello,
I've been searching this list for the answer but I got confused by all the
different approaches. Besides, I don't have /boot on an md partition
as most of you seem to have...
I have a raid-1 setup with the 0.90 raid, for all partitions exept for
/boot. There are several problems, one
On Wed, May 31, 2000 at 08:31:20AM -0400, Richard Bollinger wrote:
Note 2:
My linuxsafe label has image=/vmlinuz. I really want image=/safe/vmlinuz,
with
/safe being on my md1 partition. If I do, I get the dreaded:
...
Fatal: Sorry, don't know how to handle device 0x0901
I tried to
This is still a problem for me.
I have had no support or help in any way on this one.
Hugh Bragg wrote:
I'm running S/W raid-1 with 2 18G seagate barracuda on a Initio
1060P U2W SCSI Controller and a CT 69000 VGA controller for
AGP interface on Linux RH 6.2.
Initially this works fine
raid-1 with 2 18G seagate barracuda on a Initio
1060P U2W SCSI Controller and a CT 69000 VGA controller for
AGP interface on Linux RH 6.2.
Initially this works fine, untill I start using S/W raid-1.
My XFont-server fails immediately.
If I already have XFree86-3.3.6-20 running it starts
On Thursday June 1, [EMAIL PROTECTED] wrote:
Theo,
On Wed, 31 May 2000, Theo Van Dinter wrote:
On Wed, May 31, 2000 at 09:10:30AM -0400, Andy Poling wrote:
That's the error you will get any time that you try to layer raid levels
that md does not support layering. It's a safety belt
On Thu, Jun 01, 2000 at 10:23:21AM +0100, Corin Hartland-Swann wrote:
So, is 0+1 the only combination currently allowed?
To my knowledge, yes.
Is anybody else interested in seeing 1+0, 5+0, etc?
Personally, I would say that if you're going to go for 5+0 or 5+1, you should
really get HW RAID
Hi
I have a RH6.1 box with two mirrored drives in a RAID1 config.
I am wanting to add a spare disk and would like advice on the correct
procedure for adding it to the existing config.
What I planned was:
1. Bring the system down.
2. Install the spare drive
3. Boot up and edit the /etc/raidtab
-Original Message-
From: Neil Brown [mailto:[EMAIL PROTECTED]]
Sent: Thursday, June 01, 2000 4:29 AM
To: Corin Hartland-Swann
Cc: Theo Van Dinter; [EMAIL PROTECTED]
Subject: Re: RAID 1+0
On Thursday June 1, [EMAIL PROTECTED] wrote:
Theo,
On Wed, 31 May 2000, Theo Van
1. Bring the system down.
2. Install the spare drive
Coward :-)
3. Boot up and edit the /etc/raidtab to include the spare drive
That is not needed, but is good practice.
[[ What I do is to dump the PSB info to /etc/raidtab every night ]]
4. fdisk the drive to be identical to the mirror'd
Hi,
On Thu, 1 Jun 2000, John Saunders wrote:
I have a RH6.1 box with two mirrored drives in a RAID1 config.
I am wanting to add a spare disk and would like advice on the correct
procedure for adding it to the existing config.
With RAID1 there is little point in adding a "spare disk" - you
With RAID1 there is little point in adding a "spare disk" - you can just
add another disk to the running array, ie:
You cannot "add" a third to to a two-way RAID1.
You can create a new three-way RAID1 if you want.
But you can't (AFAIK) change the number of disk is the base array.
md0: sda1
Just to set the record straight, no layering of RAID arrays works
with the 2.2patch set.
That's interesting since I have several systems with 1 over 0
including one which is one large partition mirrored as with a pair of
smaller disks in a 0.
Both of these systems seem to work well with
/dev/md2 /dev/md1
to try to tell the raid1 set that one of the raid0's has failed, but
as yet it hasn't completed.
Admittedly it isn't smoke and flames, or even an Oops, but it is less
than I would demand of a RAID-1 system.
NeilBrown
/etc/raidtab:
raiddev /dev/md0
raid-level 0
nr-raid
Hello,
I am looking for high disponibility in a Linux system and was used to use
a RAID-1 system based on a hardware controller. I am currently working on
the possibility of using software raid instead, but I am quite in newbie
with it...
Could someone explain to me the advantages/disavantages
On Wed, 31 May 2000, Philippe wrote:
Hello,
I am looking for high disponibility in a Linux system and was used to use
a RAID-1 system based on a hardware controller. I am currently working on
the possibility of using software raid instead, but I am quite in newbie
with it...
Could
D]
Cc: "John Coffman" [EMAIL PROTECTED]
Sent: Tuesday, May 30, 2000 9:41 PM
Subject: Re: getting lilo to create map with raid 1 on root fs
A little feedback on this patch
...
Note 1:
boot=/dev/md0 wasn't very obvious. I didn't realize it would really do:
See Hint #1
...
Note 2:
Hi there,
I am trying to set up RAID1 + RAID0 over four disks. I have
md1 = sda2 sdb2 (RAID 1)
md2 = sdc2 sdd2 (RAID 1)
md3 = md1 md2(RAID 0)
I can successfully mkraid these devices, but when I try to mke2fs I get
the message "Got md request, not good..."
I found t
On Wed, 31 May 2000, Corin Hartland-Swann wrote:
I am trying to set up RAID1 + RAID0 over four disks. I have
md1 = sda2 sdb2 (RAID 1)
md2 = sdc2 sdd2 (RAID 1)
md3 = md1 md2(RAID 0)
I can successfully mkraid these devices, but when I try to mke2fs I get
the message "G
On Wed, May 31, 2000 at 09:10:30AM -0400, Andy Poling wrote:
That's the error you will get any time that you try to layer raid levels
that md does not support layering. It's a safety belt mechanism of sorts.
Arguably, any combination should be allowed, but 0+1 and 1+0 at minimum.
Either
On Wed, May 31, 2000 at 10:17:16AM -0400, Theo Van Dinter wrote:
NxP: 1/(PN-1) vs N/(PN-1)
Just to correct myself -- this equation actually doesn't work after thinking
about it. It works for P=2, but after that, the whole game changes...
Regardless, striped mirrors is usually considered
Hello,
I am currently having problems mounting my root file system that
is set up with RAID-1. The initrd image I am using conatins all the raid
tools, and successfully starts all the raid devices, but then I get the
familiar message "Kernel panic: VFS: Unable to mount ro
I am currently having problems mounting my root file system that
is set up with RAID-1. The initrd image I am using conatins all the raid
tools, and successfully starts all the raid devices, but then I get the
familiar message "Kernel panic: VFS: Unable to mount root fs on
On Tue, 30 May 2000, Michael Robinton wrote:
The usual problem is that you are booting with a kernel that has not had
rdev done directly on the kernel -- lilo won't do it for you when you use
initrd or boot from an image file.
Yeah, I suspected that too, only to discover that the
I'm running S/W raid-1 with 2 18G seagate barracuda on a Initio
1060P U2W SCSI Controller and a CT 69000 VGA controller for
AGP interface on Linux RH 6.2.
Initially this works fine, untill I start using S/W raid-1.
My XFont-server fails immediately.
If I already have XFree86-3.3.6-20 running
[Ion Badulescu]
In article
cs.lists.linux-raid/[EMAIL PROTECTED] you
wrote:
I am having trouble using Linux RAID on a Sun Ultra1 running
2.2.15.
You need an additional patch, just plain vanilla 2.2.15 + raid-0.90 won't
do on a sparc. Red Hat have it in their 2.2.14-12 source rpm,
Hello
Using raidtools .90 and kernel 2.2.13, I've tried to mount a raid at
startup.
It 0xfd, it mounts correctly if I type
$ raidstart /dev/md0
$ mount -t ext2 /dev/md0 /disco
but while it tries to auto-mount, it gives the message:
...md_personality_3...
...md_run returned -22...
Thanks for
Chris,
I'm seeing the same problem here with a plain vanilla RH 6.2.
Being new to RAID, I wasn't sure it was a problem until I
saw your msg. Since it's on a server we never shutdown, it's
not a problem for us but if anyone figures out why, I'd like
to know.
It only seems to happen if you place
I have a problem that I am having a hard time figuring out.
I just set up a new server with Red Hat 6.2, with 2 20GB IDE ata-66 drives.
I partitioned each drive into two partitions one swap of 150MB and the
second into 9630MB. I configured /dev/md0 for / to boot of the 9630MB mirror
and /dev/md1
Hi there,
On Wed, 24 May 2000, Chris Tooley wrote:
Turning off RAID for md0 md: md0 still mounted.
/dev/md0: Device or resource busy
[FAILED]
Please standby while rebooting the system...
This made the errors on boot and shutdown go away, however, I'm still not able to
go to runlevel one and un-mount / and then do a raidstop. It doens't complain
about:
umount /dev/md0
but if I type mount immediately after this I still get /dev/md0 mounted to / in
read-write mode. I've checked
hi
i manage to setup Software-RAID-1 but i am not sure
when it will do the mirroring by itself? please help
to clarify it, thanks in advanced, :-)
regards,
Siew Chin
__
Do You Yahoo!?
Send instant messages get email alerts with Yahoo! Messenger
On Wed, 10 May 2000, Dave Meythaler wrote:
I was doing some testing earlier this week on RedHat 6.2 (2.2.14-5
recompiled w/o raid modules) using /boot RAID-1 (two disks, hda and hdc) and
saw what sounds like the same problem discussed here.
With hda unplugged, I would get 0x80 errors
On Wed, 10 May 2000, Martin Munt wrote:
Rich/Chance,
I had EXACTLY the same problem. This post prompted me to fix it.
Thanks a lot.
[ ... ]
I followed Richard Bollinger's advice, reordering the disks in my root
RAID-1 then rerunning lilo. With sda1 now raid-disk 0
to boot my kernel from a raid-1 array using
Michael Robinton's excellent root-raid howto and RH6.0's lilo, I
built
the RH6.2 lilo source RPM (LILO-0_21-15_SRC.RPM).
The RPM has the following patches:
Patch0: lilo-0.21-include.patch
Patch1: lilo-0.21-1.1.patch
I was doing some testing earlier this week on RedHat 6.2 (2.2.14-5
recompiled w/o raid modules) using /boot RAID-1 (two disks, hda and hdc) and
saw what sounds like the same problem discussed here.
With hda unplugged, I would get 0x80 errors in lilo and was unable to boot
except by floppy.
I
I have been using Linux 2.2.x and RAID 1 happily.
Because of netfilter, I must move to Linux 2.3.15 or higher. It seems that
RAID 1 was disabled from 2.3.15 and above. The only options available are
Raid 0 or Linear. Even in the kernels where RAID1 is an available option,
2.3.25 for example
Hi,
I've been trying to get Lilo to work with Linux software RAID-1. I'm
using the patches from Richard Bollinger's post from 5/4/2000, and
things almost work. I can use lilo to update the boot sector and
maps, but lilo will not boot unless I enter a valid kernel label at
the boot time lilo
Monday, May 08, 2000 4:25 PM
Subject: Lilo RAID-1 woes
Hi,
I've been trying to get Lilo to work with Linux software RAID-1. I'm
using the patches from Richard Bollinger's post from 5/4/2000, and
things almost work. I can use lilo to update the boot sector and
maps, but lilo will not boot un
hello
sir,
I want to implement RAID-1 on my pentium PC having linux
with Kernel 2.0.36 on it and I have downloaded the
raid-patch(raid0145-19990309-2.0.36 ) and
raidtools(raidtools-19990824-0.90.tar.gz) from
ftp://ftp.fi.kernel.org/pub/linux/daemons/raid/alpha.
Now, my
Someone out there help me. I'm not really sure of how to configure the
software raid on my box. This is what I have done. I have two SCSI disks in
my machine, both 8.5 gig. The sda disk is the boot disk with all my data. I
want the sdb disk to be my raid disk. So far I fdisked the second drive
-disk SCA backplane connected to Channel A
The disks all have the following partition table:
partition 120M/boot
partition 2 4G/
partition 314G/home
I'm planning to set the root partition up with RAID-1 across sda2, sdb2,
sdc2 and keep a time-lapsed 'safe' copy
On Thu, 27 Apr 2000, Corin Hartland-Swann wrote:
I was hoping that RAID-1 would 'stripe' reads between the disks,
increasing read performance to RAID-0 levels, but leaving write
performance at single-disk levels. Does anyone know why it doesn't do
this?
I think there is a patch
Holger,
On Thu, 27 Apr 2000, Holger Kiehl wrote:
On Thu, 27 Apr 2000, Corin Hartland-Swann wrote:
I was hoping that RAID-1 would 'stripe' reads between the disks,
increasing read performance to RAID-0 levels, but leaving write
performance at single-disk levels. Does anyone know why
On Thu, 27 Apr 2000, Corin Hartland-Swann wrote:
BTW, I was pleased to discover that Linux had absolutely no problems with
Ultra160-SCSI - 96MB/s isn't bad at all, is it?
I was hoping that RAID-1 would 'stripe' reads between the disks,
increasing read performance to RAID-0 levels
On Thu, 27 Apr 2000, Corin Hartland-Swann wrote:
Holger,
On Thu, 27 Apr 2000, Holger Kiehl wrote:
On Thu, 27 Apr 2000, Corin Hartland-Swann wrote:
I was hoping that RAID-1 would 'stripe' reads between the disks,
increasing read performance to RAID-0 levels, but leaving write
Hi!
Somebody uttered around Apr 27 2000:
read balancing patch
Thanks - where can I find the archive?
One is at http://kernelnotes.org/lnxlists/linux-raid/
Also - is it a pretty stable patch? (This is a production server)
I don't know, sorry.
I'm running 2.2.14 with mingos raid
My RAID 1 device is working now after patching the kernel (thanks to all
responding).
I am wondering if there is a possibility to use RAID 0 and RAID 1 together,
i. e. mirroring two RAID 0 devices?
Two general questions:
- Are there any instructions for the new raidtools what to do in cases
Hi Werner!
Werner Reisberger schrieb am Sonntag, dem 16. April 2000:
I am wondering if there is a possibility to use RAID 0 and RAID 1 together,
i. e. mirroring two RAID 0 devices?
Yes, it's called Raid 0-1, but I've never tried it.
- Is there an archive for this mailing list? If not I
Peter Palfrader schrieb am Sonntag, dem 16. April 2000:
I am wondering if there is a possibility to use RAID 0 and RAID 1 together,
i. e. mirroring two RAID 0 devices?
Yes, it's called Raid 0-1, but I've never tried it.
Argl, make it the other way round: raid 10
[Werner Reisberger]
I am wondering if there is a possibility to use RAID 0 and RAID 1 together,
i. e. mirroring two RAID 0 devices?
Absolutely. The most common setup appears to be:
drives 1+2: md0 (raid0)
drives 3+4: md1 (raid0)
md0+md1:md2 (raid1)
Two general questions
-Original Message-
From: James Manning [mailto:[EMAIL PROTECTED]]
Sent: Sunday, April 16, 2000 9:07 AM
To: Werner Reisberger
Cc: [EMAIL PROTECTED]
Subject: Re: Combining RAID 0 and RAID 1
[snip]
Recovery is a tad simpler with raid1 done at the lower level simply
because none
On Sun, 16 Apr 2000, James Manning wrote:
[Gregory Leblanc]
Recovery is a tad simpler with raid1 done at the lower level simply
because none of the md device ever "dies", just one falls
into degraded
and you can skip an mkraid and let normal recovery take over.
Of course,
Message -
From: "Leung Yau Wai" [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Saturday, April 15, 2000 6:26 AM
Subject: RAID-1 rescue
Dear all,
I have a hot-plug SCSI modules installed in my Linux system. And
I have two SCSI HD are running in RAID-1. One of the HDs fa
Here's my hardware configuration:
One ATA66 drive attached to the MB
Two ATA66 drives attached to a Promise Ultra/66 controller
In order to get the Promise Ultra/66 controller to work, I had to
apply a patch to the 2.2.14 kernel. I took the standard kernel, ran
the patch, configured it,
Erich wrote:
Any clues? I feel like I've done everything according to the
instructions, and I feel like I'm very close to getting it to work,
but it's still not working. Have I left out something important in
the kernel config? Or did I need a RAID patch to the 2.2.14 kernel to
get it
On Fri, 14 Apr 2000, Tony Grant wrote:
Erich wrote:
Any clues? I feel like I've done everything according to the
instructions, and I feel like I'm very close to getting it to work,
but it's still not working. Have I left out something important in
the kernel config? Or did I
I'm the one who originally posted the question, and now I may have an
answer (with help from the list):
I've tried doing that, 2.2.14 adding both patchs.
mostly they failed everywhere. then once I did it get it in, and compile,
it still never worked right, I change to 2.3 kernel, even tho
It's definitely possible to use 2.2.14 with the Software RAID patch
and with the Promise Ultra/66 patch at the same time. I'm doing it
right now. Download the plain-vanilla 2.2.14 kernel. Apply this
patch first:
http://www.kernel.org/pub/linux/kernel/people/hedrick/old/ide.2.2.14
Ok, here are the notes that I wrote to myself of how to get Software
RAID and the Promise Ultra/66 in the same kernel:
1. Don't use the RedHat version of the 2.2.14 kernel. It has
too many patches, so the other patches won't work.
2. Do unpack the linux-2.2.14.tar.gz file.
3. Apply the
Erich,
I am planning on trying to use the Promise Ultra66 tonight (want to beef
up performance). I currently have RAID5 running with a Promise
EIDE-MaxII card quite nicely. I know about the 2.2.14-B1 patch for
RAID, but which promise patch are you referring to? I see that Promise
has a beta
Dear all,
I have a hot-plug SCSI modules installed in my Linux system. And
I have two SCSI HD are running in RAID-1. One of the HDs fail. And I put
back a new HD for replacement! How can I resync them?
My current conf:
RH 6.2
One '/' parition only
two HD mirror
mage=/boot/vmlinuz-backup
label=LinuxBackup
read-only
When lilo is run successfully, it creates files /boot/boot.0300 and
/boot/boot.1600 which are the boot sectors from /dev/hda and /dev/hdc,
respectively, which are in turn the components of the RAID-1 set:
md0 : active raid1 hdc1
Not only is it perfectly reproducible on your machine, it was on mine,
too! Get the new kernel patch from Ingo Molnar:
http://people.redhat.com/mingo/raid-patches/raid-2.2.14-B1
and the accompanying tools:
Hello,
I'm using /dev/md0 as root filesystem. When I boot after / has not been
unmounted, I get the following:
created md0
bindsda6,1
bindsdb6,2
running: sdb6sda6
now!
sda6's event counter: 0092
sdb6's event counter: 0092
md: md0 raid array is not clean.. starting background
On Wed, 5 Apr 2000, Michael Robinton wrote:
raid will boot quite nicely from a standard lilo if the config file is
properly set up. I have several raid1 and raid5 (with raid one boot
partions) running that use standard lilo on both scsi and ide systems.
See, but I didn't change lilos and
At 16:26 06.04.00, you wrote:
raid will boot quite nicely from a standard lilo if the config file is
properly set up. I have several raid1 and raid5 (with raid one boot
partions) running that use standard lilo on both scsi and ide systems.
Query: is /boot on a raid device that was created
king on arrays with failed disks; the phantom disk from bug a)
unfortunately qualifies.
I've got patches for a) (fix mkraid diskcount if creating in degraded mode)
and c) (make lilo handle failed disks correctly).
So with the fix for A) I would have to end up backing up my data and
re
trying to work on the unterlying physical devices of a
raid array; the only known program where the problem surfaces is lilo.
So with the fix for A) I would have to end up backing up my data and
recreating the raid-1 array anyway? I'm not opposed to doing this (in
fact, I was prepared for it if th
Is there any sign of RAID-1 that's non-destructive? This is making my
life living hell right now. :)
I haven't been keeping up, so if there is a 2.2 patch or perhaps
something in 2.3 that supports it, I would be most gracious (perhaps a method
that isn't described
On Wed, 05 Apr 2000, [EMAIL PROTECTED] wrote:
Is there any sign of RAID-1 that's non-destructive? This is making my
life living hell right now. :)
RAID-1 with persistent superblocks will require the last few KB of your
disk for the superblock.
But besides from
First of all, let me say that I followed the recently posted instructions
to this list on how to take an active drive and mirror it without having
to backup and then restore the data. It worked flawlessly! Thanks to
everyone who contributed information.
After that, I modified LILO to mount the
I am trying to get RAID-1 running with dual SCSI drives.
I read the Software-RAID HOWTO and followed the steps outlined
there. However.. when I get to the part to run mkraid,
it returns the following..
# mkraid /dev/md0
handling MD device /dev/md0
analyzing super-block
disk 0: /dev
-Original Message-
From: Pete Rossi [mailto:[EMAIL PROTECTED]]
Sent: Friday, March 31, 2000 3:34 PM
To: [EMAIL PROTECTED]
Subject: Need help with software RAID-1
I am trying to get RAID-1 running with dual SCSI drives.
I read the Software-RAID HOWTO and followed the steps
-howto... :-)
But is it really stable enough for a normal RAID 1 System with two
IDE-Disks? There is a /boot Partition (now RAID) and a / , /home and
/db-Partition on each Disk which I want to mirror.
RAID-1 is in my experience very stable with IDE disks.
Is it only needful to give every
Dear Friend,
I'm trying to do a RAID level 1 on my Linux server, but I have some problems, if you
can give me a tip, I will stay happy:
Environment:
Linux Kernel 2.2.12 (Red Hat 6)
Server with 2 disks and 2 SCSI controlers, with 8Gb each.
Devices /dev/sda5 and /dev/sdb5
the file /etc/raidtab
-Original Message-
From: Leandro Lacalle Turbino [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, March 29, 2000 10:31 AM
To: [EMAIL PROTECTED]
Cc: Alfredo Junior
Subject: raid 1
Dear Friend,
I'm trying to do a RAID level 1 on my Linux server, but I
have some problems, if you
Hello
I have to install a RAID 1 System in order to mirror all partitions (exept the
/boot partition, I think). The Problem is that I haven´t made this before, and I
haven´t found a documentation that gives me the answers I need.
There are three HowTos available the old (normal) RAID HowTo
try to mirror /dev/md0
with other two maxtor's.
4:38pm up 3 day, 3:38, 1 user, load average: 1.32, 0.82, 1.28
No problems so far.
As long as you don't try scsi, probly wont have any problems either.
On Tue, 28 Mar 2000, Andreas Martmann wrote:
Hello
I have to install a RAID 1 System
On Tue, 28 Mar 2000, Andreas Martmann wrote:
Hello
I have to install a RAID 1 System in order to mirror all partitions (exept the
/boot partition, I think). The Problem is that I haven´t made this before, and I
haven´t found a documentation that gives me the answers I need
We're working on a patch that might make it's way into the next Slack
release. In the meantime, I can suggest you do it completely differently:
a) Make RAID bootdisk.
b) boot up and mkraid
c) modify 'setup' so it understands your md drives
d) install away as if nothing was different
e) boot
On Thu, 9 Mar 2000, Christian Robottom Reis wrote:
We're working on a patch that might make it's way into the next Slack
release. In the meantime, I can suggest you do it completely differently:
a) Make RAID bootdisk.
b) boot up and mkraid
To do the mkraid you need a raidtab file and
On Thu, 9 Mar 2000, Holger Kiehl wrote:
a) Make RAID bootdisk.
b) boot up and mkraid
To do the mkraid you need a raidtab file and for that you need an
editor or it must be copied to the floppy when you create it.
Certainly, but Slackware is nice in that it lets you do whatever you want
- /home - 600Mb
/dev/sdb4 - /var - 600Mb
/dev/sdc:(2nd 2.1G SCSI)
/dev/sdc1 - SWAP - 100Mb
/dev/sdc2 - / - 800Mb
/dev/sdc3 - /home - 600Mb
/dev/sdc4 - /var - 600Mb
RAID(1):
/dev/md0 = sdb3 sdc3(/home)
/dev/md1 = sdb4 sdc4(/var)
Now the first time I tried to
get RAID running, I installed Slackware
Hello,
in between I learned how to setup a raid1 from existing data. Now I have
one more question: If I decide some fine day that I need one disk of my
raid1 for something different that the mirror, how can I destroy the
raid1 and instead use one of the (old raid) disks as usual (non raid)
disk.
in between I learned how to setup a raid1 from existing data. Now I have
one more question: If I decide some fine day that I need one disk of my
raid1 for something different that the mirror, how can I destroy the
raid1 and instead use one of the (old raid) disks as usual (non raid) disk.
I'm trying to set up a Raid 1 configuration on my linux box, and I always
get the same error, whatever the kernel I'm using.
I first tried with a Mandrake 6.1 (kernel 2.2.13-15 updated to some
version > 2.2.13-22), then with a Mandrake 7 (kernel 2.2.14).
My configuration is : PII 450, 128Mo
ais wrote:
I'm trying to set up a Raid 1 configuration on my linux box, and I
always get the same error, whatever the kernel I'm using.
I first tried with a Mandrake 6.1 (kernel 2.2.13-15 updated to some
version 2.2.13-22), then with a Mandrake 7 (kernel 2.2.14).
My configuration
Steve Terrell wrote:
Rainer Krienke wrote:
Hello,
in between I learned how to setup a raid1 from existing data. Now I have
one more question:
---snip---
Maybe I missed a response, but perhaps you could share this with us?
--
Steve Terrell
Sr. Network Administrator
Hi all,
I'm trying to add mirroring RAID to an existing partition. Is this possible?
It appears to me that when I do mkraid I'm going to kill the existing data.
Is there no way to tell it to use my exisiting data in a new RAID seting and
sync it to the new partition(s)?
Thank,
--Rainer
I have been trying to configure RAID 1 on both my disks and I am a
little confused over this chunk size.
Does it affect the performance of RAID 1?
If I have set 4k chunk at the /etc/raidtab and then mk2fs -b 4096
/dev/md0 , does this mean that the md driver will write one block of data
to each
) and I
want
to establish RAID 1 mirroring on these partitions.
First I tried Linux 2.3.47 but I saw that RAID 1 an 4/5 are disabled in this
version. Next I took 2.2.14, compiled md into the kernel, LINEAR, RAID 0, RAID
1
and RAID 4/5 as modules. I used raidtools 0.42 (from Debian 2.1) and 0.90.
My
I have been using raid 0.9 with a RAID-5 configuration very successfully
for about 6 months now. (RH 6.1+updates)
I have obtained a matching drive for my system drive and I would like to
set it up in a RAID-1 configuration to mirror my / /usr and /home
partitions. Swap also lives there but I
On Tue, Feb 08, 2000 at 10:40:46AM -0500, Sean Millichamp wrote:
the RAID. I could do it, but it would be a big pain in the butt and it
seems that for RAID-1 it should be possible without formatting my original
drive.
I looked for mention of a setup like this in the howto but didn't see
I've got two different ide-disks in my system:
/dev/hda -- 6,4GB SAMSUNG SV0644A 11.90 MB/sec
/dev/hdb -- 13.2GB WDC WD136BA 22.22 MB/sec
You aren't going to get on all that well !
Now my question, is it actual to make nearly same sized partitions to use
with RAID-1,
Missing
going to get on all that well !
Not necessarily that bad..read on.
Now my question, is it actual to make nearly same sized partitions to use
with RAID-1,
Missing `necessary' maybe ?
stuff deleted
how does this touch the performance of my disks ?
Unfortunately, all writes
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