> On Thu, 8 Jul 1999, Brian Leeper wrote:
> > If the drives are the same size, the following command works very well to
> > copy a partition table from one to the other:
> >
> > dd if=/dev/sda of=/dev/sdb bs=1024 count=5
> I am curious to know if this can help in creating a RAID1 mirror from an
>
hello
after a reboot (caused by a power fail) my raid was checked with ckraid and
brought back into sync, but e2fsck sais, that the md-device-partition has
zero length??
the problem is, that my /usr /home and /var on the md-device resist
i used the md-tools from debian 2.0 (with a self build 2.
hi jim
> I'm trying to setup Raid 1 in sftwr using Redhat 6.0 w/2 identical
> EIDE drives (13GB) as hda & hdc, but can't get it to work.
> Is there any definitive doc somewhere that describes how to do this w/the current
>kernel?
http://ostenfeld.dk/~jakob/Software-RAID.HOWTO
I use linux-2.
I'm trying to setup Raid 1 in sftwr using Redhat 6.0 w/2 identical EIDE drives (13GB)
as hda & hdc, but can't get it to work. Is there any definitive doc somewhere that
describes how to do this w/the current kernel?
Thanks . . .
jim
I installed the raid 0.90 tools and installed and patch the 2.2.6
kernel. Though I did it from source .. don't know if that matters.
Corse .. getting Yast to believe it's root fs was /dev/md0 is a
completely different storry.
Schackel, Fa. Integrata, ZRZ DA wrote:
> Hello everybody,
>
> I'm us
These questions are from the point of view of 0.90 or higher
(i.e. RH 6.0).
- How do you recover a RAID1 or a RAID5 with a bad disk when
you have no spares, i.e. how do you hotremove and hotadd? Please
go through it step by step because many paths seem to lead to
hangs.
- How do you recover a RAID
"Jonathan F. Dill" wrote:
>
> Gordon Henderson wrote:
> >
> > So does no-one apart from me use Amanda?
> >
> > I've been using it for many years or different systems and it's never
> > let me down. Emails me every day with a report and to remind me to
> > change tapes if needed.
> >
> > I have 2
On Thu, 8 Jul 1999, Brian Leeper wrote:
> If the drives are the same size, the following command works very well to
> copy a partition table from one to the other:
>
> dd if=/dev/sda of=/dev/sdb bs=1024 count=5
I am curious to know if this can help in creating a RAID1 mirror from an
existing si
MadHat wrote:
>
> I did all the fixes you have been talking about and made a newer
> patch. I just used it on a new system and it compiles and works for
> me.
>
> http://www.unspecific.com/pub/linux/raid/raid-0145-2.2.9-patch.gz
>
Same patch works for 2.2.10
I will not guarantee anything.
On Thu, Jul 08, 1999 at 01:00:42PM -0700, Zack Hobson wrote:
> Hello RAID hackers,
>
>
> RedHat 6.0 w/ 2.2.10 kernel (compiled with RAID-1 support)
> raidtools 0.90 compiled from distributed source (ie, non-RedHat)
raidtools 0.90 does not work with stock kernels
either you use old raidtools
I posted this a while back, I think some people found it usefull... so
here goes again
Since I wrote this however I have decided that it makes sense if possible
to use device numbers for raid that are the same as the partitions they
are built from for ease of maintainance!
So that a mirror
Although your point is very valid, the stability of the filesystem is not
in question although the array is running in "degraded" mode, the
filesystem stability is assured by fsck rather than the resync process
surely your data is more important than your OS.
If a second disk were to
On Fri, 9 Jul 1999, Marc Mutz wrote:
> Bruno Prior wrote:
> >
> > It strikes me that this list desperately needs a FAQ. I'm off on holiday for the
> > next two weeks, but unless someone else wants to volunteer, I'm willing to put
> > one together when I get back. If people would like me to do thi
Quick question concerning resyncing / regeneration...
I have 4 9.1 U2W SCSI drives each one with 6 partitions, in a setup as
follows
/dev/md0 (sda2, sdb2, sdc2, sdd2)
/dev/md1 (sda3, sdb3, sdc3, sdd3)
/dev/md2 (sda5, sdb5, sdc5, sdd5)
/dev/md3 (sda6, sdb6, sdc6, sdd6)
/dev/md4 (sda7, sdb7, sdc7
Bruno Prior wrote:
>
> It strikes me that this list desperately needs a FAQ. I'm off on holiday for the
> next two weeks, but unless someone else wants to volunteer, I'm willing to put
> one together when I get back. If people would like me to do this, I would
> welcome suggestions for questions
Here's your problem:
> request_module[md-personality-3]: Root fs not mounted
It looks like you are using a RedHat stock kernel, not one you built yourself.
RedHat's kernels use modular raid support, not built-in. The modules sit in
/lib/modules which is on root and, in your case therefore, on /d
It strikes me that this list desperately needs a FAQ. I'm off on holiday for the
next two weeks, but unless someone else wants to volunteer, I'm willing to put
one together when I get back. If people would like me to do this, I would
welcome suggestions for questions to go in the FAQ.
Cheers,
B
> I'm using SUSE Linux 6.1 with kernel 2.2.5
> Shipped with SUSE is mdtools 0.42.
>
> So I was loadding the 0.90 rpm packet.
> I installed it an by calling any raid-tool
> I get a segmentation fault.
mdtools 0.42 doesn't require a kernel patch to work, so I assume the SuSE kernel
doesn't include
> I can't figure out why mkraid is aborting. No messages show up in the
> syslog, and I get what looks like a typical response from /proc/mdstat
You are missing persistent-superblocks lines in your raidtab. I thought this
shouldn't matter, as it should default to "persistent-superblocks 1", but m
> raid-level 1 with 3 disks?
> You have to use raid-level 5 (or 4).
No you don't. You can have as many mirrors in a RAID-1 mirror set as you want.
The setup described will protect against the simultaneous failure of two disks
(i.e. the failure of a second disk before you are able to replace the f
> I run Redhat 6.0/kernel 2.2.5-15 and installed raidtools-0.50b.
I believe RH6.0 comes with raidtools-0.90, so there is no point trying to
install raidtools-0.50b. Just setup your /etc/raidtab for the configuration you
want, and then run mkraid. For rebooting, you may want to include raid suppor
Hello everybody,
I'm using SUSE Linux 6.1 with kernel 2.2.5
Shipped with SUSE is mdtools 0.42.
So I was loadding the 0.90 rpm packet.
I installed it an by calling any raid-tool
I get a segmentation fault.
Is there anybody who managed tho problem
and could provide me any help ?
Thx
Barney
Software levels: Redhat 6.0, kernel 2.2.5-22, raid-tools-0.90
I just configured 5 raid-1 filesystems:
md5 /usr
md6 /home
md7 /var
md8 /
md10 /var/lib/mysql
Configuration was performed from a seperate config system on hdb
(same filesystems as system under construction).
The following proc
> My /etc/raidtab looks like this:
> raiddev /dev/md0
> raid-level 1
> nr-raid-disks 3
> nr-spare-disks 0
> chunk-size 4
>
> device /dev/sda2
> raid-disk 0
> device /dev/sdb2
> raid-disk 1
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