On Fri, Jan 29, 2021 at 06:40:06PM +0800, Coly Li wrote: > Recently I receive a report that whole system hung and no response after > a while with I/O load. The special configuration is the dm thin-pool > volume is used as the swap partition of the system. > My questions are, > - Can a thin-pool volume be used as swap device? Yes in principle, but it won't get much testing as it's not necessarily a particularly sensible configuration. - You'd normally prefer fully-pre-allocated disk space for swap and turn off the zeroing. Is there some use-case where it does make more sense? > - The above description is a bug, or an already know issue which should > be avoided ? Bug. Alasdair -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
