How to fix mistake on raid: mdadm create instead of assemble?
Hi guys,
I'm new to RAID although I've had a server running raid5 for a while. It was delivered preinstalled like this and I never really wondered how to monitor and maintain it. This quick introduction just to let you understand why I'm such an idiot asking such a silly question.
Now what happened?
I have a server with 4 disks and raid5 configured. /dev/md10 is made of sda10, sdb10, sdc10 and sdd10.
Unfortunately, /dev/sdd died, the server crashed, etc. After restart, md10 did not rebuilt. I understood sdd was dead and did not try to force rebuild or even touch the existing system.
First thing I did is ddrescue the remaining partitions sd[abc]10. ddrescue did not stumble into any read error so I assume all remaining partitions are perfectly safe.
Then I examined the partitions with : There comes my mistake: I ran the --create command instead of --assemble:
After that, mounting failed:
Here's more info about the new raid to be compared with the initial one: With the help of the initial mdadm --examine, is it possible to recreate my raid in a way that I can read data out of it?
Hello,
i have a system with 6 sata3 seagate st3000dm01 disks running on stable Debian with software raid mdadm. i have md0 for root and md1 for swap and md2 for the files. i now want to add one more disk = sdh4 for md2 but i got this errors:
The new disk is connected to an 4 port sata... (7 Replies)
Hello,
I want to delete a RAID configuration an old server has.
Since i haven't the chance to work with the specific raid controller in the past can you please help me how to perform the configuraiton?
I downloaded IBM ServeRAID Support CD but i wasn't able to configure the video card so i... (0 Replies)
Hi All,
I have been trying to create a USB RAID 5 using mdadm tool on Joli OS 1.2 (Ubuntu) but with no luck. I cannot even get pass the creation of array device (/dev/md0) and superblock. I am using 3 USB keys (2 16.4 GB kingston and 1 16GB sandisk).
My steps are:
... (5 Replies)
had this RHEL 5 installation with /dev/sda1 and /dev/sda2 running..
created two more partitions /dev/sdj1 and /dev/sdj2 , the same sized partition as /dev/sda
trying to use mdadm to create RAID1 ..
I cannot even do it in "rescue" mode, I wonder if it can be done..
it kept... (2 Replies)
Hello, I have 4 drives (500G each) in a raid 10, I got a power failior and this is the result?
cat /proc/mdstat
Personalities :
md126 : inactive sdb sdc sdd sde
1953536528 blocks super external:-md127/0
md127 : inactive sdd(S) sde(S) sdb(S) sdc(S)
9028 blocks super... (3 Replies)
Hello,
I have a scsi pci x raid controller card on which I had created a disk array of 3 disks
when I type lspv ; I used to see 3 physical disks ( two local disks and one raid 5 disk )
suddenly the raid 5 disk array disappeared ; so the hardware engineer thought the problem was with SCSI... (0 Replies)
Hi guys,
i must install an old old old ml370 server...
I must create a RAID 5 with my 4 SCSI disk.
I need a SmartStart disk for create it or a Floppy Disk called "Array configuration Tool". I don't find it on the hp website...:mad::mad::mad:
Anyone have it??
Thanks in advance.
Zio (0 Replies)
Hi,
I flashed one SunFire V120 (flarcreate) and dump the flar on to a SunFire V880. It goes smooth until the first reboot.
SunOS Release 5.8 Version Generic_108528-22 64-bit
Copyright 1983-2003 Sun Microsystems, Inc. All rights reserved.
Cannot assemble drivers for root... (8 Replies)
Hi, there are tons of RAID1 tutorials, but none of them deal with lvm. The problem is that I want to expand my current lvm partition over RAID1 rather than creating a new lvm partition after RAID1 is created.
My master harddrive has lvm partition. I'm wondering how to create a RAID1 image of... (1 Reply)