Re: How to check whether a RAID array is still consistent?

[Darik Horn]

Install the ide-smart package and have it watch the physical disks in 
the array.

Additionally, the mdadm package will install a daemon that watches the 
logical array device.

Bob wrote:
Hi all,
A few days ago my software-RAID1 array failed because the two disks both had
bad blocks. Probably bad luck, but I find it even more unbeliveable that the
two disks would both fail so shortly after each other. So I suspect that one
of the disks was having problems for some time already but these went
unnoticed because they were covered by the RAID mirroring.
So..: is there a way to periodically check whether RAID disks are still in
sync? Preferable without unmounting the filesystem (similar to the
background rebuilding after adding a disk to an array).
Thanks
Bob



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