storage: add additional logging related to snapshots
storage: add additional logging related to snapshots

paperstreet/cockroach,veteranlu/cockroach,petermattis/cockroach,vaibhavarora/cockroach,maxlang/cockroach,maxlang/cockroach,vivekmenezes/cockroach,glycerine/cockroach,vaibhavarora/cockroach,arjun4084346/cockroach,sunya123/cockroach,petermattis/cockroach,maxlang/cockroach,glycerine/cockroach,maxlang/cockroach,paperstreet/cockroach,sunya123/cockroach,vivekmenezes/cockroach,vivekmenezes/cockroach,petermattis/cockroach,petermattis/cockroach,arjun4084346/cockroach,vaibhavarora/cockroach,maxlang/cockroach,vaibhavarora/cockroach,glycerine/cockroach,arjun4084346/cockroach,cockroachdb/cockroach,veteranlu/cockroach,vaibhavarora/cockroach,cockroachdb/cockroach,vivekmenezes/cockroach,veteranlu/cockroach,sunya123/cockroach,arjun4084346/cockroach,paperstreet/cockroach,veteranlu/cockroach,arjun4084346/cockroach,cockroachdb/cockroach,petermattis/cockroach,sunya123/cockroach,glycerine/cockroach,arjun4084346/cockroach,sunya123/cockroach,vaibhavarora/cockroach,paperstreet/cockroach,vivekmenezes/cockroach,sunya123/cockroach,cockroachdb/cockroach,glycerine/cockroach,veteranlu/cockroach,arjun4084346/cockroach,paperstreet/cockroach,paperstreet/cockroach,cockroachdb/cockroach,paperstreet/cockroach,maxlang/cockroach,maxlang/cockroach,sunya123/cockroach,glycerine/cockroach,vivekmenezes/cockroach,glycerine/cockroach,cockroachdb/cockroach,petermattis/cockroach,vaibhavarora/cockroach,cockroachdb/cockroach,petermattis/cockroach,vivekmenezes/cockroach,petermattis/cockroach,veteranlu/cockroach,cockroachdb/cockroach,arjun4084346/cockroach,veteranlu/cockroach,maxlang/cockroach,veteranlu/cockroach,vaibhavarora/cockroach,vivekmenezes/cockroach,paperstreet/cockroach,sunya123/cockroach,glycerine/cockroach