Re: How to check whether a RAID array is still consistent?
On Fri, 25 Jun 2004, 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.
thats normal ... for disks to die within weeks/month of each other if its
been under the same identical stresss ( temp, read/writes )
> 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).
cat /proc/mdstat
watch your log files too
rest of the monitoring
http://www.1u-raid5.net/Monitoring/
c ya
alvin
Reply to: