Dne 9.8.2014 19:25, Oliver Rath napsal(a):
Hi list,
assuming a cached device mylv from /dev/sda1 with cachepool from
/dev/sdb1 (ssd i.e.):
If now the ssd crashes and the cachemode is "writethrough" i think,
there is no data loss for my lv's, right?
But then mylv runs without a cache device although the device is set in
metadata.
The command lvreduce cant remove the cache-attribut. vgreduce *could*
remove it, right? But only if there is no usage bei the cachepool-device
anymore.
Is there a solution for that?
Cache support is still experimental - so please open bugzillas
for your issues found on bugzilla.redhat.com
(if you are not using Fedora/RHEL - use Fedora Rawhide for your reports)
I assume your problem is likely related to still missing repair support
for cached volumes.
You would need to use cache utils (cache_check, cache_repair, cache_dump...)
to fix broken metadata.
Zdenek
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