Hi list.
I have the following 'leftover setup' from testing:
---snip---
/dev/hda:
Magic : a92b4efc
Version : 00.90.00
UUID : 533fb996:8989f533:2dc6aaa9:74fdd762
Creation Time : Sat Jun 24 08:37:43 2006
Raid Level : raid5
Device Size : 244198464 (232.89 GiB 250.06 GB)
Array Size : 488396928 (465.77 GiB 500.12 GB)
Raid Devices : 3
Total Devices : 3
Preferred Minor : 0
Update Time : Fri Jul 7 17:49:52 2006
State : clean
Active Devices : 3
Working Devices : 3
Failed Devices : 0
Spare Devices : 0
Checksum : c0941be6 - correct
Events : 0.1780
Layout : left-symmetric
Chunk Size : 64K
Number Major Minor RaidDevice State
this 1 34 0 1 active sync
0 0 33 64 0 active sync
1 1 34 0 1 active sync
2 2 34 64 2 active sync
/dev/hda1:
Magic : a92b4efc
Version : 00.90.00
UUID : 3559ffcf:14eb9889:3826d6c2:c13731d7
Creation Time : Fri Jul 7 20:12:10 2006
Raid Level : raid1
Device Size : 497856 (486.27 MiB 509.80 MB)
Array Size : 497856 (486.27 MiB 509.80 MB)
Raid Devices : 3
Total Devices : 3
Preferred Minor : 0
Update Time : Thu Nov 9 05:12:56 2006
State : clean
Active Devices : 3
Working Devices : 3
Failed Devices : 0
Spare Devices : 0
Checksum : 76d7e7e8 - correct
Events : 0.1990
Number Major Minor RaidDevice State
this 1 3 1 1 active sync /dev/hda1
0 0 3 65 0 active sync /dev/hdb1
1 1 3 1 1 active sync /dev/hda1
2 2 22 1 2 active sync /dev/hdc1
---snap---
Now, /dev/hda1 (and hda[35678]) are parts of active RAID arrays.
/dev/hda (whole disk) was part of an array I set up for testing/playing
around with mdadm. I then created the partitions and set up RAIDs for them.
Is it safe to issue the following command now:
root@ceres:~# mdadm --zero-superblock /dev/hda
or will that nuke my setup along with my precious data?
My software versions are the following:
root@ceres:/usr/src/wip/installer/package/base/installer# mdadm --version
mdadm - v2.4 - 30 March 2006
root@ceres:/usr/src/wip/installer/package/base/installer# uname -a
Linux ceres 2.6.17.7-rock-dragon #2 SMP Wed Aug 30 17:21:35 CEST 2006 i686 GNU/Linux
Thanks in advance,
Benjamin
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