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

[Darik Horn <dajhorn@vanadac.com>]

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