[linux-lvm] what todo with broken cachedev?

Oliver Rath rath at mglug.de
Sat Aug 9 17:25:27 UTC 2014

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

The command lvreduce cant remove the cache-attribut. vgreduce *could*
remove it, right? But only if there is no usage bei the cachepool-device

Is there a solution for that?


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