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Apr
3
asked Linux machine refuse to boot with invalid elf header
Nov
2
comment How to recover data from software RAID 5 disk partition
Ahan, Thank you very much.
Nov
2
comment How to recover data from software RAID 5 disk partition
edit option just give you 5 min to change something so this made me to add new comment.
Nov
2
comment How to recover data from software RAID 5 disk partition
Is the any way that i can recover my drives in this way? i saw some posts that says create a new array and try to resync raid drives, would this help? how can i change md125 to md0?
Nov
2
comment How to recover data from software RAID 5 disk partition
now i tried mdadm --examine -scan, here is the output: ARRAY: /dev/md125 UUID [some character] ARRAY: /dev/md2 UUID [some character] ARRAY: /dev/md1 UUID [some character] ARRAY: /dev/md3 UUID [some character] what happened to md0?!!! it changes to md125 now!!!
Nov
2
comment How to recover data from software RAID 5 disk partition
i tried "mdadm --assemble --scan -v" it could not assemble md0 and md3! Now it seems that this command made some unwanted changes! now the system did not even recognize md0, md1, md2 and md3!!! it give me "/dev/md1" no such file or directory! it seems that this command change /dev/md1 to /dev/md/1_0 and also other partitions too!
Nov
2
comment How to recover data from software RAID 5 disk partition
mdadm --examine said: no devices to examine
Nov
1
comment How to recover data from software RAID 5 disk partition
Where the mdadm.conf is located?
Oct
31
comment How to recover data from software RAID 5 disk partition
No actually same error appeared for md3 too. there is a raid 1 partition called md0 and a raid 5 partition called md3 that should recover. In each two cases the superblock error exists.
Oct
31
comment How to recover data from software RAID 5 disk partition
i changed new partition type to "linux raid autodetect" but same error still exist: mdadm: no RAID superblock on /dev/sdb1 mdadm: /dev/sdb1 has no superblock-- assembly aborted!
Oct
31
comment How to recover data from software RAID 5 disk partition
fdisk -l shows that all the old partitions are labeled as "linux raid autodetect" but the new partitions (/dev/sdb1 and /dev/sdb2) labeled as "linux" and "extended"!
Oct
31
comment How to recover data from software RAID 5 disk partition
I find out that this error is because of old version of my rescue disk so i tried centOS 6 rescue mode, no new error is shown: "/dev/sdb1 has no superblock-- assembly aborted." FYI /dev/sdb1 is a new partition that i created on new hard drive with same cylinder size as /dev/sda1 partition.
Oct
31
comment How to recover data from software RAID 5 disk partition
"mdadm --assemble -scan" didnt work for me too, same error appeared.
Oct
31
comment How to recover data from software RAID 5 disk partition
I did that but i got "no devices found for md0"
Oct
30
comment How to recover data from software RAID 5 disk partition
I make a backup from are available data, now the problem is i dont know how can i partition this new disk in a way that is usable by software raid. how can i do that? these new partitions should be in what format?
Oct
29
awarded  Commentator
Oct
29
comment How to recover data from software RAID 5 disk partition
sda1 and sdb1 as root partition (md1) sda2 and sdb2 as boot partition (md2)
Oct
29
comment How to recover data from software RAID 5 disk partition
the failed disk is sdb, so should i first create sdb2 partition? how can i do that?
Oct
29
comment How to recover data from software RAID 5 disk partition
Ahan, I will test it. Thank you very much.
Oct
29
comment How to recover data from software RAID 5 disk partition
The problem is i used some part of each drive for specific drive, i mean for example i add 100G of sda and sdb as root partition, 200M of sda and sdb for root partition and remaining space of sda and sdb and also the whole sdc sdd and sde as a /home partition!