Hello,
What are the methods for checking/monitoring a RAID LV?
The Cpy%Sync field seems promising here:
# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
raid1 test rwi-aor--- 100.00m 100.00
raid6 test rwi-aor--- 108.00m 100.00
# pvs
PV VG Fmt Attr PSize PFree
/dev/vdb test lvm2 a-- 1020.00m 876.00m
/dev/vdc test lvm2 a-- 1020.00m 876.00m
/dev/vdd test lvm2 a-- 1020.00m 980.00m
/dev/vde test lvm2 a-- 1020.00m 980.00m
/dev/vdf test lvm2 a-- 1020.00m 980.00m
But testing in a VM by removing a disk does not change the output of lvs:
# pvs
WARNING: Device for PV S5xFZ7-mLaH-GNQP-ujWh-Zbkt-Ww3u-J0aKUJ not found or rejected by a filter.
PV VG Fmt Attr PSize PFree
/dev/vdb test lvm2 a-- 1020.00m 876.00m
/dev/vdc test lvm2 a-- 1020.00m 876.00m
/dev/vdd test lvm2 a-- 1020.00m 980.00m
/dev/vde test lvm2 a-- 1020.00m 980.00m
unknown device test lvm2 a-m 1020.00m 980.00m
# lvs
WARNING: Device for PV S5xFZ7-mLaH-GNQP-ujWh-Zbkt-Ww3u-J0aKUJ not found or rejected by a filter.
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
raid1 test rwi-aor--- 100.00m 100.00
raid6 test rwi-aor-p- 108.00m 100.00
My end goal is to write a nagios check to monitor for disk failures.
Thanks,
Steve
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