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1answer
245 views

How to remove disk from RAID1 without knowing the /dev/XXX name?

BEFORE: SERVER:~ # mdadm --detail /dev/md5 /dev/md5: Version : 00.90.00 Creation Time : Fri Mar 18 14:53:33 2011 Raid Level : raid1 Array Size : 67103360 (63.99 GiB 68.71 GB) ...
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1answer
1k views

How do I know that a /dev/dm-XX device isn't used by anything on SLES 10.4 (64bit)?

I have a device that I can see in the output of fdisk -l: /dev/dm-XX (XX is a number.) How do I know that I can use this /dev/dm-XX to add it to a RAID1 array? How can I be 100% sure that nothing ...