On 9 August 2013 02:25, Kent Overstreet <kmo@xxxxxxxxxxxxx> wrote: > On Thu, Aug 08, 2013 at 02:17:24PM +0200, Josep Lladonosa wrote: >> Hello, >> >> I am running a root file system (/) in a bcache set (/dev/sda3 as the >> backing device and /dev/sdb -the SSD- as the caching device). >> >> I want to replace the caching device with another hardware. >> >> The question is, which is the best procedure to replace it? I was thinking >> about: >> >> - turn off computer. >> - replace SSD with the new one. >> - turn on computer. >> >> It seems to me very simple, perhaps too much. Does it need any other >> step? Reattaching? > > Oh, for reattaching - after you boot up with the new SSD, you'll format > it and register it, then reattach > > ls /sys/fs/bcache to get the new cache set UUID > > echo <uuid> /sys/block/bcache0/bcache/attach Hello, Thanks to eveybody. All working now. Just a comment. I find that with kernel 3.11.0-rc4 hard disk writes are teeeeeerribly slow (for example when installing a deb package, for example, a new kernel. It runs, but very slow comparing to a system running without bcache. Josep -- -- Salutacions...Josep -- -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
