, Mar 3, 2010 at 9:39 PM, Sorin Srbu sorin.s...@orgfarm.uu.se wrote:
-Original Message-
From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On
Behalf
Of Timo Schoeler
Sent: Thursday, March 04, 2010 8:15 AM
To: CentOS mailing list
Subject: Re: [CentOS] Recover RAID
Jeff Sadino wrote:
I have access to all of the HEX data on each drive, and I now which
sector each stripe starts at. Is there any way that I can reconstruct
my data from that? When a file gets split up in RAID0, does the
controller use the same sectors on each stripe to write the file
Thank you John. The thing is my data was not overwritten, corrupted, etc.
Some was, but I know which parts. Basically, I just cleared the file system
designation. So if a file is 64K, does the first 32K on drive 1 contain the
first half of the file and the first 32K on drive 2 contain the
On Mar 5, 2010, at 11:22 PM, Jeff Sadino jsadino.que...@gmail.com
wrote:
Thank you John. The thing is my data was not overwritten,
corrupted, etc. Some was, but I know which parts. Basically, I
just cleared the file system designation. So if a file is 64K, does
the first 32K on
On Mar 5, 2010, at 11:36 PM, Ross Walker rswwal...@gmail.com wrote:
On Mar 5, 2010, at 11:22 PM, Jeff Sadino jsadino.que...@gmail.com
wrote:
Thank you John. The thing is my data was not overwritten,
corrupted, etc. Some was, but I know which parts. Basically, I
just cleared the
Hello Everyone,
First time CentOS poster :) I have CentOS 4 installed on the head node of a
Sun Gridengine cluster set up in a RAID. The head node has four hard
drives, and I assume that drives 1 and 2 are in a raid and then drives 3 and
4 are in another raid. I was trying to expand the OS
Jeff Sadino wrote:
Hello Everyone,
First time CentOS poster :) I have CentOS 4 installed on the head
node of a Sun Gridengine cluster set up in a RAID. The head node has
four hard drives, and I assume that drives 1 and 2 are in a raid and
then drives 3 and 4 are in another raid. I was
Do you think I can copy the unknown partition from the second drive onto the
first drive and have everything work again?
On Wed, Mar 3, 2010 at 4:01 PM, John R Pierce pie...@hogranch.com wrote:
Jeff Sadino wrote:
Hello Everyone,
First time CentOS poster :) I have CentOS 4 installed on
Jeff Sadino wrote:
Do you think I can copy the unknown partition from the second drive
onto the first drive and have everything work again?
if there's a md mirror, god knows what will happen when you boot it up
with both drives present, it oculd decide to mirror the unformatted
partition to
raiddev /dev/md1
raid-level 0
nr-raid-disks 2
persistent-superblock 1
chunk-size 4
device /dev/sda4
raid-disk 0
device /dev/sdb2
raid-disk 1
It says it can bring up md0 ok,
On Thursday, March 04, 2010 10:09 AM, John R Pierce wrote:
Jeff Sadino wrote:
Do you think I can copy the unknown partition from the second drive
onto the first drive and have everything work again?
if there's a md mirror, god knows what will happen when you boot it up
with both drives
Thanks for the insight. Is there any way to bring it back to life not
necessarily as a raid, but just back up so I can get to the data and have my
license managers working? What if I edit md1 out of the raidtab file?
Thanks,
Jeff
On Wed, Mar 3, 2010 at 4:12 PM, Christopher Chan
Jeff Sadino wrote:
Thanks for the insight. Is there any way to bring it back to life not
necessarily as a raid, but just back up so I can get to the data and
have my license managers working? What if I edit md1 out of the raidtab
file?
The data on a raid0 stripes across both drives as
Ok, I'm learning a lot about raids and what to do, and what not to do.
Looking at some info I had before, md1 was 200GB in size, which makes sense,
but it was only 39GB full. The way I repartitioned drive 1, I probably
overwrote only about 11GB. Does that make it any easier to recover any
amount
Jeff Sadino wrote:
Ok, I'm learning a lot about raids and what to do, and what not to do.
Looking at some info I had before, md1 was 200GB in size, which makes sense,
but it was only 39GB full. The way I repartitioned drive 1, I probably
overwrote only about 11GB. Does that make it any
On Thursday, March 04, 2010 11:33 AM, nate wrote:
Jeff Sadino wrote:
Ok, I'm learning a lot about raids and what to do, and what not to do.
Looking at some info I had before, md1 was 200GB in size, which makes sense,
but it was only 39GB full. The way I repartitioned drive 1, I probably
On Mar 3, 2010, at 10:24 PM, Jeff Sadino jsadino.que...@gmail.com
wrote:
Ok, I'm learning a lot about raids and what to do, and what not to
do. Looking at some info I had before, md1 was 200GB in size, which
makes sense, but it was only 39GB full. The way I repartitioned
drive 1, I
Backups? I wish :) I will now.
But looking closer, that md1 is not my OS partition, just a data partition.
If I take that md1 entry out of the raidtab file and restart the computer, I
would think that it would start up just fine, minus the data partition (and
for the moment neglecting any vital
On Thursday, March 04, 2010 01:15 PM, Jeff Sadino wrote:
Backups? I wish :) I will now.
/me hands Jeff a big clueby4 to use on the former admin.
But looking closer, that md1 is not my OS partition, just a data
partition. If I take that md1 entry out of the raidtab file and restart
the
Jeff Sadino wrote:
Backups? I wish :) I will now.
But looking closer, that md1 is not my OS partition, just a data
partition. If I take that md1 entry out of the raidtab file and restart
the computer, I would think that it would start up just fine, minus the
data partition (and for the
From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On Behalf
Of Jeff Sadino
Sent: Thursday, March 04, 2010 6:15 AM
To: CentOS mailing list
Subject: Re: [CentOS] Recover RAID
Backups? I wish :) I will now.
But looking closer, that md1 is not my OS partition, just a data partition
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
thus Sorin Srbu spake:
From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On Behalf
Of Jeff Sadino
Sent: Thursday, March 04, 2010 6:15 AM
To: CentOS mailing list
Subject: Re: [CentOS] Recover RAID
Backups? I wish :) I
Sent: Thursday, March 04, 2010 6:15 AM
To: CentOS mailing list
Subject: Re: [CentOS] Recover RAID
Backups? I wish :) I will now.
But looking closer, that md1 is not my OS partition, just a data
partition.
If I take that md1 entry out of the raidtab file and restart the
computer, I
timo.schoe...@riscworks.netwrote:
thus Sorin Srbu spake:
From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On
Behalf
Of Jeff Sadino
Sent: Thursday, March 04, 2010 6:15 AM
To: CentOS mailing list
Subject: Re: [CentOS] Recover RAID
Backups? I wish :) I will now.
But looking
-Original Message-
From: centos-boun...@centos.org [mailto:centos-boun...@centos.org] On
Behalf
Of Timo Schoeler
Sent: Thursday, March 04, 2010 8:15 AM
To: CentOS mailing list
Subject: Re: [CentOS] Recover RAID
Backups? I wish :) I will now.
[...]
Eh? Raid0 with no backups? For real
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