> > Let's assume a complete recovery takes about 2 hours. Does that mean > > my VMs are blocked for 2 hours (instead of continue operation on other > nodes)? > > > > This is actually why we spend lots of lines in recovery and IO patch, there are > some mechanism, such as request retry, oid scheduling that tries to complete > any request in a very short period because IOs from VM are timeouted by > guest kernel, for e.g, > 120 seconds for Linux kernel. So if a VM access such object, it would block for 2 hours (confused)? |