From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roy Sigurd Karlsbakk Subject: Adding caching to existing volumes? Date: Sat, 19 Jan 2013 19:08:25 +0100 (CET) Message-ID: <17989056.10.1358618905144.JavaMail.root@zimbra> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Sender: linux-bcache-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-bcache@vger.kernel.org Hi all As far as I can understand from the bcache docs, a volume cached with b= cache, must be formatted and setup for bcache in the first place. I com= e from a ZFS environment, where adding SLOG or L2ARC is done dynamicall= y, so I have a few questions: - Would it be somewhat possible to add caching to an existing volume an= d its data? - What would happen if the cache device dies - does the whole filesyste= m become inaccessible? --=20 Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 98013356 roy-ooPBL11mRiZbRRN4PJnoQQ@public.gmane.org http://blogg.karlsbakk.net/ GPG Public key: http://karlsbakk.net/roysigurdkarlsbakk.pubkey.txt -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt.= Det er et element=C3=A6rt imperativ for alle pedagoger =C3=A5 unng=C3=A5= eksessiv anvendelse av idiomer med xenotyp etymologi. I de fleste tilf= eller eksisterer adekvate og relevante synonymer p=C3=A5 norsk.