[linux-lvm] Snapshot behavior on classic LVM vs ThinLVM

[Gionatan Danti]

On 15/05/2017 17:33, Zdenek Kabelac wrote:> Ever tested this:
> 
> mount -o errors=remount-ro,data=journal ?

Yes, I tested it - same behavior: a full thinpool does *not* immediately 
put the filesystem in a read-only state, even when using sync/fsync and 
"errorwhenfull=y".

So, it seems EXT4 remounts in read-only mode only when *metadata* 
updates fail.

> I prefer 'remount-ro'  as the FS is still at least accessible/usable in 
> some way.

Fair enought.

>>> Things are getting better

Can you make an example?

> So again - all has its price....

True ;)

Thanks.

-- 
Danti Gionatan
Supporto Tecnico
Assyoma S.r.l. - www.assyoma.it
email: g.danti at assyoma.it - info at assyoma.it
GPG public key ID: FF5F32A8