Re: Bash expression to detect dying RAID devices
Hi,
On Tue, Dec 24, 2024 at 03:45:31PM +0100, Roger Price wrote:
> I would like to scan /proc/mdstat and set a flag if [U-], [-U] or [--]
> occur.
Others have pointed out your '-' vs '_' confusion. But are you sure you
wouldn't rather just rely on the "mdadm --monitor" command that emails
you when devices are dropped? On Debian it's run by the "mdmonitor"
systemd service.
Failing that you can regularly check the
/sys/class/block/mdX/md/degraded file and if it's anything but 0 only
then look at other files under there or at /proc/mdstat.
Thanks,
Andy
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