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On 10/25/2011 7:51 AM, Invisible wrote:
> Take the company's mission-critical server. Take a disk image of the OS
> partition. Boot from a Linux live CD. Reformat the system partition.
> Restore the system partition from the image file, and pay to God
> almighty that it actually boots up again.
Why would you do such a thing to begin with?
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Kyle <no### [at] spam here> wrote:
> On 10/25/2011 7:51 AM, Invisible wrote:
> > Take the company's mission-critical server. Take a disk image of the OS
> > partition. Boot from a Linux live CD. Reformat the system partition.
> > Restore the system partition from the image file, and pay to God
> > almighty that it actually boots up again.
> Why would you do such a thing to begin with?
You have to look busy or else management will start doubting your
necessity.
--
- Warp
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On 03/11/2011 12:27 PM, Kyle wrote:
> On 10/25/2011 7:51 AM, Invisible wrote:
>> Take the company's mission-critical server. Take a disk image of the OS
>> partition. Boot from a Linux live CD. Reformat the system partition.
>> Restore the system partition from the image file, and pay to God
>> almighty that it actually boots up again.
>
> Why would you do such a thing to begin with?
The server is persistently experiencing NTFS corruption errors, and I
just can't get rid of them. Which is strange, because if I restore the
image file to a virtual machine, it runs completely without issue...
You won't be surprised to learn that the elaborate procedure above
utterly failed to fix the problem. But hey, it was worth a shot.
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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Orchid XP v8 <voi### [at] dev null> wrote:
> The server is persistently experiencing NTFS corruption errors, and I
> just can't get rid of them. Which is strange, because if I restore the
> image file to a virtual machine, it runs completely without issue...
I assume you have checked the disk for errors. Thoroughly.
--
- Warp
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On 03/11/2011 02:19 PM, Warp wrote:
> Orchid XP v8<voi### [at] dev null> wrote:
>> The server is persistently experiencing NTFS corruption errors, and I
>> just can't get rid of them. Which is strange, because if I restore the
>> image file to a virtual machine, it runs completely without issue...
>
> I assume you have checked the disk for errors. Thoroughly.
1. Would a physical disk error actually affect a logical RAID-1 volume?
(And shouldn't that affect *all* the partitions, not just one?)
2. Yes, I asked CHKDSK to do a full surface scan. It found nothing wrong.
I've seen fleeting references that say that CHKDSK doesn't fix all
possible filesystem errors, so perhaps that's the problem I'm seeing
here... Still doesn't tell me how to fix it though.
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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On 11/3/2011 11:19 AM, Orchid XP v8 wrote:
> 1. Would a physical disk error actually affect a logical RAID-1 volume?
> (And shouldn't that affect *all* the partitions, not just one?)
When you write "logical RAID-1 volume", are you referring to a volume
created by mirroring two drives in the Windows OS, or is it a volume
created via the adapter hardware+software? Also, what Windows OS,
drives and adapter(s) are you using?
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On 03/11/2011 04:22 PM, Kyle wrote:
> On 11/3/2011 11:19 AM, Orchid XP v8 wrote:
>> 1. Would a physical disk error actually affect a logical RAID-1 volume?
>> (And shouldn't that affect *all* the partitions, not just one?)
>
> When you write "logical RAID-1 volume", are you referring to a volume
> created by mirroring two drives in the Windows OS, or is it a volume
> created via the adapter hardware+software? Also, what Windows OS, drives
> and adapter(s) are you using?
It's a hardware RAID controller, transparent to the OS. I don't know
precisely what model off the top of my head, but considering it's a Dell
rack-mount server, it's probably a Dell OEM device of some kind.
Server OS is Windows 2003 Server R2 Enterprise.
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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> On 03/11/2011 04:22 PM, Kyle wrote:
>> On 11/3/2011 11:19 AM, Orchid XP v8 wrote:
>>> 1. Would a physical disk error actually affect a logical RAID-1 volume?
>>> (And shouldn't that affect *all* the partitions, not just one?)
>>
>> When you write "logical RAID-1 volume", are you referring to a volume
>> created by mirroring two drives in the Windows OS, or is it a volume
>> created via the adapter hardware+software? Also, what Windows OS, drives
>> and adapter(s) are you using?
>
> It's a hardware RAID controller, transparent to the OS. I don't know
> precisely what model off the top of my head, but considering it's a Dell
> rack-mount server, it's probably a Dell OEM device of some kind.
>
> Server OS is Windows 2003 Server R2 Enterprise.
>
Replace the batteries on the RAID controller.
--
/*Francois Labreque*/#local a=x+y;#local b=x+a;#local c=a+b;#macro P(F//
/* flabreque */L)polygon{5,F,F+z,L+z,L,F pigment{rgb 9}}#end union
/* @ */{P(0,a)P(a,b)P(b,c)P(2*a,2*b)P(2*b,b+c)P(b+c,<2,3>)
/* gmail.com */}camera{orthographic location<6,1.25,-6>look_at a }
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>> It's a hardware RAID controller, transparent to the OS.
>
> Replace the batteries on the RAID controller.
You think failing batteries would cause one partition on the RAID volume
to persistantly suffer NTFS corruptions, but the other (much busier)
partition on the same logical volume works correctly?
Hmm, I wonder how much money Dell want for a new battery? ;-)
--
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*
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>>> It's a hardware RAID controller, transparent to the OS.
>>
>> Replace the batteries on the RAID controller.
>
> You think failing batteries would cause one partition on the RAID volume
> to persistantly suffer NTFS corruptions, but the other (much busier)
> partition on the same logical volume works correctly?
It may not read and write the same number of bytes, but as far as the
number of IO requests go, the system partition is probably as busy as
the other user data volumes. Event viewer logs, DLLs loading, swap file
usage, etc...
>
> Hmm, I wonder how much money Dell want for a new battery? ;-)
>
I don't know about Dell RAID controllers, but on the ones I've seen
(Compaq (back in the mesozoic era), HP and IBM) they were standard
batteries that you can find in most electronic stores (e.g. Radio Shack
in North America)
--
/*Francois Labreque*/#local a=x+y;#local b=x+a;#local c=a+b;#macro P(F//
/* flabreque */L)polygon{5,F,F+z,L+z,L,F pigment{rgb 9}}#end union
/* @ */{P(0,a)P(a,b)P(b,c)P(2*a,2*b)P(2*b,b+c)P(b+c,<2,3>)
/* gmail.com */}camera{orthographic location<6,1.25,-6>look_at a }
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