-intuitive. I've even considered the possibility of giving
/var and /usr separate RAID arrays (data vs. executables).
If an expert could chime in, I'd appreciate it a great deal.
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Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
There are more ways to skin a cat than nuking it from
an individual user can answer... perhaps.)
Comments extremely welcome.
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The sharpest knives are also the quietest.
-- John M. Ford, _The Final Reflection_
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looking in the wrong
places? (The Wiki didn't help either.)
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Rumor is information distilled so finely that it can filter through
anything.
-- Terry Pratchet, _Feet of Clay_
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a very interesting idea; it also gives me an opportunity to
experiment with XFS. I had been avoiding it because of possible
power-failure issues on writes.
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Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
She will have fun who knows when to work
and when not to work
failure. I wonder if I'm being too cautious?
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Keep some secrets/Never tell,
And they will keep you very well.
-- Michelle Shocked
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work, given
that zero-superblock and dd on the drives that make up the array doesn't
seem to erase previous information?
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Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
If you're going to shoot, shoot! Don't talk!
-- Eli Wallach,The Good, the Bad, and the Ugly
...
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The odds are good, but the goods are odd.
-- Alaskan women, on the high ratio of men to women in Alaska
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impossible?
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comments on the performance
hit -- is raid1L a really bad idea for some reason?
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Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
It's a sobering thought, for example, to realize that by the time
he was my age, Mozart had been dead for two years
excuse me while I RTFM to find out if I change the
superblocks to 1.0 from 1.2 on a running array...
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If you're not part of the solution, you're part of the process.
-- Mark A. Johnson
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pages that'd be very useful indeed.
Thanks for your attention to this!
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Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
no user serviceable parts below this line
-- From a Perl program by [EMAIL PROTECTED]
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in my mind now is why grub can't find the info, and either it's because
of 1.2 superblocks or because of sub-partitioning of components.
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You may not be interested in war, but war is interested in you
say that the md(4) man page was finally penetrating
my brain, but the Wikipedia article helped a great deal. I had thought
md's RAID10 was more standard.
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Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
Rumor is information distilled so finely that it can filter through
anything
with 1+0.
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interesting idea. I'm not familiar with using tmpfs (no need,
until now); but I wonder how you create the devices you need when you're
doing a rescue.
Again, my thanks to everyone who responded and clarified.
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Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
Practically perfect people never
once it's installed.
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on RAID in order to
prevent server downtime if a disk fails -- a suddenly bad swap can
easily (will absolutely?) cause the server to crash (even though you can
boot the server up again afterwards on the surviving swap partitions).
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Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
Keld Jørn Simonsen wrote:
On Tue, Jan 29, 2008 at 06:32:54PM -0600, Moshe Yudkowsky wrote:
Hmm, why would you put swap on a raid10? I would in a production
environment always put it on separate swap partitions, possibly a number,
given that a number of drives are available.
In a production
David Greaves wrote:
Moshe Yudkowsky wrote:
I expect it's because I used 1.2 superblocks (why
not use the latest, I said, foolishly...) and therefore the RAID10 --
Aha - an 'in the wild' example of why we should deprecate '0.9 1.0 1.1, 1.2' and
rename the superblocks to data-version
doing a rescue.
When you start udev, your /dev will be on tmpfs.
Sure, that's what mount shows me right now -- using a standard Debian
install. What did you suggest I change?
--
Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
Many that live deserve death. And some that die
the
file system, but if you'd be so kind, can you give a super-brief
description on how to get a loop device to look like an actual partition
that can be made into a RAID array? I can see this software-only
solution as being quite interesting for testing in general.
--
Moshe Yudkowsky * [EMAIL
to be documentation on the interaction between mdadm and
update-initramfs.
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Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
Becoming the biggest banana republic in the world -- and without the
bananas, at that -- is an unenviable prospect.
-- Sergei Stepashin, Prime
of hidden knowledge if true.
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All friends have real and imaginary components.
-- Moshe Yudkowsky
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More
, and let me reboot without problems.
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Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
A gun is, in many people's minds, like a magic wand. If you point it at
people,
they are supposed to do your bidding.
-- Edwin E. Moise, _Tonkin Gulf_
options to read
root (hd2,1)
and proceed to boot.
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Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
I love deadlines... especially the whooshing sound they
make as they fly past.
-- Dermot Dobson
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of this theory that /etc and others can be on
the same partition as /boot in a non-ext3 file system.
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Thanks to radio, TV, and the press we can now develop absurd
misconceptions about peoples and governments we once hardly knew
existed
Michael Tokarev wrote:
Moshe Yudkowsky wrote:
[]
But that's *exactly* what I have -- well, 5GB -- and which failed. I've
modified /etc/fstab system to use data=journal (even on root, which I
thought wasn't supposed to work without a grub option!) and I can
power-cycle the system and bring it up
it would be a command for the MBR on
hd2 (sdc) to look at hd2,1 (sdc1) to find its data, regardless of the
boot order that caused sdc to be the boot disk.
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Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
Bring me the head of Prince Charming.
-- Robert
, you're stating that current the most
reliable fs in its default configuration, in terms of protection against
power-loss scenarios, is XFS?
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Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
There is something fundamentally wrong with a country [USSR] where
the citizens want to buy
?
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Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
Blessed are the peacemakers,
for they shall be mowed down in the crossfire.
-- Michael Flynn
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to read, e.g., root=/dev/sda2 or root=/dev/sdb2, I get the same Error 15
error message.
It may be that grub is complaining about grub and resiserfs, but I
suspect that it has a true complain about the file system and what's on
the partitions.
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Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com
that I can't boot md from a boot partition with the
XFS file system, then I don't understand what the problem is.
Comments welcome -- I'm wedged!
--
Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
Many that live deserve death. And some that die deserve life. Can you
give it to
them
to
/dev/md/boot -- but I really need to include the *root* location, which
does not change, vs. the boot location, which is not relevant.
--
Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
The central tenet of Buddhism is not 'Every man for himself
.
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according to the
instructions in mdadm.conf? I expect that it might depend on whether the
instructions are given in terms of UUID or in terms of devices.
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Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
I think it a greater honour to have my head standing on the ports
is the purpose of this page? I think the purpose is a complete
description of how to use RAID to build a system that not only boots
from RAID but is robust against other hazards such as file system
corruption.
--
Moshe Yudkowsky * [EMAIL PROTECTED] * www.pobox.com/~moshe
If you pay peanuts, you get
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