[linux-lvm] Power loss consistency for RAID
roberto.fastec at gmail.com
Mon Mar 18 09:32:45 UTC 2019
it is automatic
though you should avoid power losses as better as you can
with online PSU against line interactive ones ( which are good for consumer PCs and displays)
Da: lv.zheng.2015 at gmail.com
Inviato: 18 marzo 2019 10:05
A: linux-lvm at redhat.com
Rispondi a: linux-lvm at redhat.com
Oggetto: [linux-lvm] Power loss consistency for RAID
I'm recently considering using software RAID instead of hardware
controllers for my home server.
AFAIK, write operation on a RAID array is not atomic across disks. I'm
concerned that what happens to RAID1/5/6/10 LVs after power loss.
Is manual recovery required, or is it automatically checked and repaired
on LV activation?
Also I'm curious about how such recovery works internally.
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