On Tue, Oct 11, 2016 at 10:36:00AM +0800, 孟祥辉 wrote: > Hi Ulrich, > > you maybe misunderstood my purpose, i am not going to do caching on > iSCSI transport layer. you are right that iSCSI devices can be > cached just as normal block devices are. indeed a normal block device > can be cached using memory to cache the hot data. but iscsi driver > has differences with normal block device, after all it's a remote > disk. > > so i want to use a normal block device to act as a cache disk for > iscsi device besides using the normal memory cache. do you have any > suggestions?
Maybe one of the existing solutions designed for using an SSD as a high speed cache in front of larger slower disc? bcache or lvmcache? -- You received this message because you are subscribed to the Google Groups "open-iscsi" group. To unsubscribe from this group and stop receiving emails from it, send an email to open-iscsi+unsubscr...@googlegroups.com. To post to this group, send email to firstname.lastname@example.org. Visit this group at https://groups.google.com/group/open-iscsi. For more options, visit https://groups.google.com/d/optout.