diff --git a/ais/backend/ht.go b/ais/backend/ht.go
index 858c4cf5264..3b3f18520d3 100644
--- a/ais/backend/ht.go
+++ b/ais/backend/ht.go
@@ -2,7 +2,7 @@
 
 // Package backend contains implementation of various backend providers.
 /*
- * Copyright (c) 2018-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2018-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package backend
 
@@ -99,7 +99,7 @@ func getOriginalURL(ctx context.Context, bck *meta.Bck, objName string) (string,
 	origURL, ok := ctx.Value(cos.CtxOriginalURL).(string)
 	if !ok || origURL == "" {
 		if bck.Props == nil {
-			return "", fmt.Errorf("failed to HEAD (%s): original_url is empty", bck)
+			return "", fmt.Errorf("failed to HEAD (%s): original_url is empty", bck.String())
 		}
 		origURL = bck.Props.Extra.HTTP.OrigURLBck
 		debug.Assert(origURL != "")
diff --git a/ais/bucketmeta.go b/ais/bucketmeta.go
index d3f0afc01c4..74b8e396130 100644
--- a/ais/bucketmeta.go
+++ b/ais/bucketmeta.go
@@ -157,7 +157,7 @@ func (m *bucketMD) set(bck *meta.Bck, p *cmn.Bprops) {
 	debug.Assert(apc.IsProvider(bck.Provider))
 	prevProps, present := m.Get(bck)
 	if !present {
-		debug.Assertf(false, "%s: not present", bck)
+		debug.Assertf(false, "%s: not present", bck.String())
 	}
 	debug.Assert(prevProps.BID != 0)
 
@@ -513,7 +513,7 @@ func defaultBckProps(args bckPropsArgs) (props *cmn.Bprops) {
 	case args.bck.IsAIS():
 		debug.Assert(args.hdr == nil)
 	case args.bck.Backend() != nil:
-		debug.Assertf(args.hdr == nil, "%s, hdr=%+v", args.bck, args.hdr)
+		debug.Assertf(args.hdr == nil, "%s, hdr=%+v", args.bck.String(), args.hdr)
 	case args.bck.IsRemote():
 		debug.Assert(args.hdr != nil)
 		props.Versioning.Enabled = false
diff --git a/ais/plstcx.go b/ais/plstcx.go
index 2c5d33095b5..f133607e7da 100644
--- a/ais/plstcx.go
+++ b/ais/plstcx.go
@@ -146,7 +146,7 @@ func (c *lstcx) do() (string, error) {
 	}
 
 	nlog.Infoln("'ls --all' to execute [" + c.amsg.Action + " -> " + c.altmsg.Action + "]")
-	s := fmt.Sprintf("%s[%s] %s => %s", c.altmsg.Action, c.xid, c.bckFrom, c.bckTo)
+	s := fmt.Sprintf("%s[%s] %s => %s", c.altmsg.Action, c.xid, c.bckFrom.String(), c.bckTo.String())
 
 	// 6. more pages, if any
 	if lst.ContinuationToken != "" {
diff --git a/ais/proxy.go b/ais/proxy.go
index 45a44f5c33a..e06f183a6a2 100644
--- a/ais/proxy.go
+++ b/ais/proxy.go
@@ -662,7 +662,7 @@ func (p *proxy) httpbckget(w http.ResponseWriter, r *http.Request, dpq *dpq) {
 
 	// (IV) list objects (NOTE -- TODO: currently, always forwarding)
 	if !qbck.IsBucket() {
-		p.writeErrf(w, r, "bad list-objects request: %q is not a bucket (is a bucket query?)", qbck)
+		p.writeErrf(w, r, "bad list-objects request: %q is not a bucket (is a bucket query?)", qbck.String())
 		return
 	}
 	if p.forwardCP(w, r, msg, lsotag+" "+qbck.String()) {
@@ -1297,15 +1297,15 @@ func (p *proxy) _bckpost(w http.ResponseWriter, r *http.Request, msg *apc.ActMsg
 			return
 		}
 		if !bckFrom.IsAIS() && bckFrom.Backend() == nil {
-			p.writeErrf(w, r, "can only rename AIS ('ais://') bucket (%q is not)", bckFrom)
+			p.writeErrf(w, r, "can only rename AIS ('ais://') bucket (%q is not)", bckFrom.Cname(""))
 			return
 		}
 		if bckTo.IsRemote() {
-			p.writeErrf(w, r, "can only rename to AIS ('ais://') bucket (%q is remote)", bckTo)
+			p.writeErrf(w, r, "can only rename to AIS ('ais://') bucket (%q is remote)", bckTo.Cname(""))
 			return
 		}
 		if bckFrom.Equal(bckTo, false, false) {
-			p.writeErrf(w, r, "cannot rename bucket %q to itself (%q)", bckFrom, bckTo)
+			p.writeErrf(w, r, "cannot rename bucket %q to itself (%q)", bckFrom.Cname(""), bckTo.Cname(""))
 			return
 		}
 		bckFrom.Provider, bckTo.Provider = apc.AIS, apc.AIS
@@ -1358,7 +1358,7 @@ func (p *proxy) _bckpost(w http.ResponseWriter, r *http.Request, msg *apc.ActMsg
 		tcbmsg.Prefix = cos.TrimPrefix(tcbmsg.Prefix)
 		if bckFrom.Equal(bckTo, true, true) {
 			if !bckFrom.IsRemote() {
-				p.writeErrf(w, r, "cannot %s bucket %q onto itself", msg.Action, bckFrom)
+				p.writeErrf(w, r, "cannot %s bucket %q onto itself", msg.Action, bckFrom.Cname(""))
 				return
 			}
 			nlog.Infoln("proceeding to copy remote", bckFrom.String())
@@ -1432,7 +1432,7 @@ func (p *proxy) _bckpost(w http.ResponseWriter, r *http.Request, msg *apc.ActMsg
 			nlog.Warningf("multi-object operation %q within the same bucket %q", msg.Action, bck)
 		}
 		if bckTo.IsHT() {
-			p.writeErrf(w, r, "cannot %s to HTTP bucket %q", msg.Action, bckTo)
+			p.writeErrf(w, r, "cannot %s to HTTP bucket %q", msg.Action, bckTo.Cname(""))
 			return
 		}
 		if !eq {
@@ -1604,14 +1604,14 @@ func (p *proxy) _bcr(w http.ResponseWriter, r *http.Request, query url.Values, m
 		bck.Props = nprops
 		if backend := bck.Backend(); backend != nil {
 			if err := backend.Validate(); err != nil {
-				p.writeErrf(w, r, "cannot create %s: invalid backend %s, err: %v", bck, backend, err)
+				p.writeErrf(w, r, "cannot create %s: invalid backend %s, err: %v", bck.Cname(""), backend.Cname(""), err)
 				return
 			}
 			// Initialize backend bucket.
 			if err := backend.InitNoBackend(p.owner.bmd); err != nil {
 				if !cmn.IsErrRemoteBckNotFound(err) {
 					p.writeErrf(w, r, "cannot create %s: failing to initialize backend %s, err: %v",
-						bck, backend, err)
+						bck.Cname(""), backend.Cname(""), err)
 					return
 				}
 				args := bctx{p: p, w: w, r: r, bck: backend, msg: msg, query: query}
@@ -1912,11 +1912,11 @@ func (p *proxy) httpobjpost(w http.ResponseWriter, r *http.Request, apireq *apiR
 
 func _checkObjMv(bck *meta.Bck, msg *apc.ActMsg, apireq *apiRequest) error {
 	if bck.IsRemote() {
-		err := fmt.Errorf("invalid action %q: not supported for remote buckets (%s)", msg.Action, bck)
+		err := fmt.Errorf("invalid action %q: not supported for remote buckets (%s)", msg.Action, bck.String())
 		return cmn.NewErrUnsuppErr(err)
 	}
 	if bck.Props.EC.Enabled {
-		err := fmt.Errorf("invalid action %q: not supported for erasure-coded buckets (%s)", msg.Action, bck)
+		err := fmt.Errorf("invalid action %q: not supported for erasure-coded buckets (%s)", msg.Action, bck.String())
 		return cmn.NewErrUnsuppErr(err)
 	}
 	objName, objNameTo := apireq.items[1], msg.Name
@@ -3009,11 +3009,11 @@ func (p *proxy) dsortHandler(w http.ResponseWriter, r *http.Request) {
 				}
 				if _, err = p.owner.bmd.modify(ctx); err != nil {
 					debug.AssertNoErr(err)
-					err = fmt.Errorf(warnfmt+": %w", p, "failed to ", bckTo, bck, err)
+					err = fmt.Errorf(warnfmt+": %w", p, "failed to ", bckTo.String(), bck.String(), err)
 					p.writeErr(w, r, err)
 					return
 				}
-				nlog.Warningf(warnfmt, p, "", bckTo, bck)
+				nlog.Warningf(warnfmt, p, "", bckTo.String(), bck.String())
 			}
 		}
 		dsort.PstartHandler(w, r, parsc)
diff --git a/ais/prxbck.go b/ais/prxbck.go
index 5b02bd58a5b..e255f252e52 100644
--- a/ais/prxbck.go
+++ b/ais/prxbck.go
@@ -1,6 +1,6 @@
 // Package ais provides core functionality for the AIStore object storage.
 /*
- * Copyright (c) 2018-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2018-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package ais
 
@@ -226,7 +226,7 @@ func (bctx *bctx) initAndTry() (bck *meta.Bck, err error) {
 			return
 		}
 	default:
-		debug.Assertf(false, "%q: unexpected %v(%d)", bctx.bck, err, ecode)
+		debug.Assertf(false, "%q: unexpected %v(%d)", bctx.bck.String(), err, ecode)
 		bctx.p.writeErr(bctx.w, bctx.r, err, ecode)
 		return
 	}
diff --git a/ais/prxdl.go b/ais/prxdl.go
index 9da7dd1de5c..c43195cd9ca 100644
--- a/ais/prxdl.go
+++ b/ais/prxdl.go
@@ -91,7 +91,7 @@ func (p *proxy) httpdlpost(w http.ResponseWriter, r *http.Request) {
 		p.writeErrStatusf(w, r, http.StatusInternalServerError, "failed to receive download request: %v", err)
 		return
 	}
-	_, dlBase, ok := p.validateDownload(w, r, body)
+	dlb, dlBase, ok := p.validateDownload(w, r, body)
 	if !ok {
 		return
 	}
@@ -116,8 +116,8 @@ func (p *proxy) httpdlpost(w http.ResponseWriter, r *http.Request) {
 	// download _job_ vs download xaction, see abortReq() in ais/prxnotif
 	smap := p.owner.smap.get()
 	nl := dload.NewDownloadNL(
-		jobID,           // jobID != xid
-		apc.ActDownload, // xaction kind is always this
+		jobID,            // jobID != xid
+		string(dlb.Type), // instead of apc.ActDownload xaction kind
 		&smap.Smap,
 		progressInterval,
 	)
diff --git a/ais/prxnotif.go b/ais/prxnotif.go
index abb1eec3637..e80a6a7bfbe 100644
--- a/ais/prxnotif.go
+++ b/ais/prxnotif.go
@@ -1,6 +1,6 @@
 // Package ais provides core functionality for the AIStore object storage.
 /*
- * Copyright (c) 2018-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2018-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package ais
 
@@ -329,8 +329,8 @@ func (n *notifs) done(nl nl.Listener) {
 }
 
 func abortReq(nl nl.Listener) cmn.HreqArgs {
-	if nl.Kind() == apc.ActDownload {
-		// HACK:
+	if _, ok := nl.(*dload.NotifDownloadListerner); ok {
+		// HACK
 		// - download _job_ vs download xaction - see dload.NewDownloadNL()
 		// - downloader implements abort via http.MethodDelete and uses different messaging
 		return dload.AbortReq(nl.UUID() /*job ID*/)
diff --git a/ais/tgtdl.go b/ais/tgtdl.go
index c03cf33f17d..b4a91a2b203 100644
--- a/ais/tgtdl.go
+++ b/ais/tgtdl.go
@@ -1,6 +1,6 @@
 // Package ais provides core functionality for the AIStore object storage.
 /*
- * Copyright (c) 2018-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2018-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package ais
 
@@ -176,6 +176,13 @@ func (t *target) downloadHandler(w http.ResponseWriter, r *http.Request) {
 		} else { // apc.Remove
 			response, statusCode, respErr = xdl.RemoveJob(payload.ID)
 		}
+
+		// keep it quiet
+		if statusCode == http.StatusNotFound {
+			debug.Assert(response == nil)
+			t.writeErr(w, r, respErr, statusCode, Silent)
+			return
+		}
 	default:
 		cmn.WriteErr405(w, r, http.MethodDelete, http.MethodGet, http.MethodPost)
 		return
diff --git a/cmd/cli/cli/arch_hdlr.go b/cmd/cli/cli/arch_hdlr.go
index c90ba298073..145d5045a8d 100644
--- a/cmd/cli/cli/arch_hdlr.go
+++ b/cmd/cli/cli/arch_hdlr.go
@@ -1,7 +1,7 @@
 // Package cli provides easy-to-use commands to manage, monitor, and utilize AIS clusters.
 // This file handles CLI commands that pertain to AIS objects.
 /*
- * Copyright (c) 2021-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2021-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package cli
 
@@ -241,7 +241,7 @@ func archMultiObjHandler(c *cli.Context) error {
 		if msg.ListRange.IsList() {
 			what = strings.Join(msg.ListRange.ObjNames, ", ")
 		}
-		fmt.Fprintf(c.App.Writer, "archive %s/{%s} as %q\n", a.rsrc.bck, what, a.dest())
+		fmt.Fprintf(c.App.Writer, "archive %s/{%s} as %q\n", a.rsrc.bck.String(), what, a.dest())
 		return nil
 	}
 	if !flagIsSet(c, dontHeadSrcDstBucketsFlag) {
diff --git a/cmd/cli/cli/bucket.go b/cmd/cli/cli/bucket.go
index 4d893d011d0..c682153c8e2 100644
--- a/cmd/cli/cli/bucket.go
+++ b/cmd/cli/cli/bucket.go
@@ -1,6 +1,6 @@
 // Package cli provides easy-to-use commands to manage, monitor, and utilize AIS clusters.
 /*
- * Copyright (c) 2018-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2018-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package cli
 
@@ -26,7 +26,7 @@ func createBucket(c *cli.Context, bck cmn.Bck, props *cmn.BpropsToSet, dontHeadR
 	if err = api.CreateBucket(apiBP, bck, props, dontHeadRemote); err != nil {
 		if herr, ok := err.(*cmn.ErrHTTP); ok {
 			if herr.Status == http.StatusConflict {
-				desc := fmt.Sprintf("Bucket %q already exists", bck)
+				desc := fmt.Sprintf("Bucket %q already exists", bck.String())
 				if flagIsSet(c, ignoreErrorFlag) {
 					fmt.Fprintln(c.App.Writer, desc)
 					return nil
@@ -36,9 +36,9 @@ func createBucket(c *cli.Context, bck cmn.Bck, props *cmn.BpropsToSet, dontHeadR
 			if cliConfVerbose() {
 				herr.Message = herr.StringEx()
 			}
-			return fmt.Errorf("failed to create %q: %w", bck, herr)
+			return fmt.Errorf("failed to create %q: %w", bck.String(), herr)
 		}
-		return fmt.Errorf("failed to create %q: %v", bck, err)
+		return fmt.Errorf("failed to create %q: %v", bck.String(), err)
 	}
 	// NOTE: see docs/bucket.md#default-bucket-properties
 	fmt.Fprintf(c.App.Writer, "%q created\n", bck.Cname(""))
@@ -52,7 +52,7 @@ func destroyBuckets(c *cli.Context, buckets []cmn.Bck) (cmn.Bck, error) {
 		empty, errEmp := isBucketEmpty(bck, true /*cached*/)
 		if errEmp == nil && !empty {
 			if !flagIsSet(c, yesFlag) {
-				if ok := confirm(c, fmt.Sprintf("Proceed to destroy %s?", bck)); !ok {
+				if ok := confirm(c, fmt.Sprintf("Proceed to destroy %s?", bck.String())); !ok {
 					continue
 				}
 			}
@@ -88,7 +88,7 @@ func mvBucket(c *cli.Context, bckFrom, bckTo cmn.Bck) error {
 		return V(err)
 	}
 	_, xname := xact.GetKindName(apc.ActMoveBck)
-	text := fmt.Sprintf("%s %s => %s", xact.Cname(xname, xid), bckFrom, bckTo)
+	text := fmt.Sprintf("%s %s => %s", xact.Cname(xname, xid), bckFrom.String(), bckTo.String())
 	if !flagIsSet(c, waitFlag) && !flagIsSet(c, waitJobXactFinishedFlag) {
 		if flagIsSet(c, nonverboseFlag) {
 			fmt.Fprintln(c.App.Writer, xid)
@@ -106,7 +106,7 @@ func mvBucket(c *cli.Context, bckFrom, bckTo cmn.Bck) error {
 	fmt.Fprintln(c.App.Writer, text+" ...")
 	xargs := xact.ArgsMsg{ID: xid, Kind: apc.ActMoveBck, Timeout: timeout}
 	if err := waitXact(&xargs); err != nil {
-		fmt.Fprintf(c.App.ErrWriter, fmtXactFailed, "rename", bckFrom, bckTo)
+		fmt.Fprintf(c.App.ErrWriter, fmtXactFailed, "rename", bckFrom.String(), bckTo.String())
 		return err
 	}
 	fmt.Fprint(c.App.Writer, fmtXactSucceeded)
@@ -127,7 +127,7 @@ func evictBucket(c *cli.Context, bck cmn.Bck) error {
 		// check presence unless remais (in re: bck/@alias/name vs bck/@uuid/name)
 		if !bck.IsRemoteAIS() {
 			if _, present := bmd.Get((*meta.Bck)(&bck)); !present {
-				return fmt.Errorf("%s does not exist - nothing to do", bck)
+				return fmt.Errorf("%s does not exist - nothing to do", bck.String())
 			}
 		}
 		return _evictBck(c, bck)
diff --git a/cmd/cli/cli/bucket_hdlr.go b/cmd/cli/cli/bucket_hdlr.go
index a743f8c66a4..ab075cd5836 100644
--- a/cmd/cli/cli/bucket_hdlr.go
+++ b/cmd/cli/cli/bucket_hdlr.go
@@ -1,7 +1,7 @@
 // Package cli provides easy-to-use commands to manage, monitor, and utilize AIS clusters.
 // This file handles CLI commands that pertain to AIS buckets.
 /*
- * Copyright (c) 2021-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2021-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package cli
 
@@ -329,7 +329,7 @@ func mvBucketHandler(c *cli.Context) error {
 		return err
 	}
 	if bckFrom.Equal(&bckTo) {
-		return incorrectUsageMsg(c, errFmtSameBucket, commandRename, bckTo)
+		return incorrectUsageMsg(c, errFmtSameBucket, commandRename, bckTo.Cname(""))
 	}
 	return mvBucket(c, bckFrom, bckTo)
 }
diff --git a/cmd/cli/cli/cpr.go b/cmd/cli/cli/cpr.go
index a892e0eed68..5fffb49d30e 100644
--- a/cmd/cli/cli/cpr.go
+++ b/cmd/cli/cli/cpr.go
@@ -1,6 +1,6 @@
 // Package cli provides easy-to-use commands to manage, monitor, and utilize AIS clusters.
 /*
- * Copyright (c) 2023-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2023-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package cli
 
@@ -59,7 +59,7 @@ func (cpr *cprCtx) copyBucket(c *cli.Context, bckFrom, bckTo cmn.Bck, msg *apc.C
 	// 2. got bucket summary(ies)
 	summaries := ctx.res
 	for _, res := range summaries {
-		debug.Assertf(res.Bck.Equal(&bckFrom), "%s != %s", res.Bck, bckFrom)
+		debug.Assertf(res.Bck.Equal(&bckFrom), "%s != %s", res.Bck.String(), bckFrom.String())
 		cpr.totals.size += int64(res.TotalSize.PresentObjs + res.TotalSize.RemoteObjs)
 		cpr.totals.objs += int64(res.ObjCount.Present + res.ObjCount.Remote)
 	}
diff --git a/cmd/cli/cli/job_hdlr.go b/cmd/cli/cli/job_hdlr.go
index e73cda9839d..6ce4d622ce5 100644
--- a/cmd/cli/cli/job_hdlr.go
+++ b/cmd/cli/cli/job_hdlr.go
@@ -504,7 +504,7 @@ func startDownloadHandler(c *cli.Context) error {
 			}
 			if !p.BackendBck.Equal(&source.backend.bck) {
 				warn := fmt.Sprintf("%s does not have Cloud bucket %s as its *backend* - proceeding to download anyway.",
-					basePayload.Bck, source.backend.bck)
+					basePayload.Bck.String(), source.backend.bck.String())
 				actionWarn(c, warn)
 				dlType = dload.TypeSingle
 			}
diff --git a/cmd/cli/cli/ls.go b/cmd/cli/cli/ls.go
index 0015f3b5cd6..40dbfca82b1 100644
--- a/cmd/cli/cli/ls.go
+++ b/cmd/cli/cli/ls.go
@@ -277,11 +277,11 @@ func listObjects(c *cli.Context, bck cmn.Bck, prefix string, listArch, printEmpt
 	}
 	if flagIsSet(c, verChangedFlag) {
 		if bck.IsAIS() {
-			return fmt.Errorf("flag %s requires remote bucket (have: %s)", qflprn(verChangedFlag), bck)
+			return fmt.Errorf("flag %s requires remote bucket (have: %s)", qflprn(verChangedFlag), bck.String())
 		}
 		if !bck.HasVersioningMD() {
 			return fmt.Errorf("flag %s only applies to remote backends that maintain at least some form of versioning information (have: %s)",
-				qflprn(verChangedFlag), bck)
+				qflprn(verChangedFlag), bck.String())
 		}
 		msg.SetFlag(apc.LsVerChanged)
 	}
diff --git a/cmd/cli/cli/multiobj.go b/cmd/cli/cli/multiobj.go
index 9ad6a31a26a..3ebe40afcc1 100644
--- a/cmd/cli/cli/multiobj.go
+++ b/cmd/cli/cli/multiobj.go
@@ -132,7 +132,7 @@ func runTCO(c *cli.Context, bckFrom, bckTo cmn.Bck, listObjs, tmplObjs, etlName
 	}
 	xargs := xact.ArgsMsg{ID: xid, Kind: xkind, Timeout: timeout}
 	if err = waitXact(&xargs); err != nil {
-		fmt.Fprintf(c.App.ErrWriter, fmtXactFailed, text, bckFrom, bckTo)
+		fmt.Fprintf(c.App.ErrWriter, fmtXactFailed, text, bckFrom.String(), bckTo.String())
 	} else {
 		fmt.Fprint(c.App.Writer, fmtXactSucceeded)
 	}
@@ -251,7 +251,7 @@ func _rmOne(c *cli.Context, shift int) error {
 	case oltp.objName == "": // 2. all objects
 		if flagIsSet(c, rmrfFlag) {
 			if !flagIsSet(c, yesFlag) {
-				warn := fmt.Sprintf("will remove all objects from %s. The operation cannot be undone!", bck)
+				warn := fmt.Sprintf("will remove all objects from %s. The operation cannot be undone!", bck.String())
 				if ok := confirm(c, "Proceed?", warn); !ok {
 					return nil
 				}
diff --git a/cmd/cli/cli/object.go b/cmd/cli/cli/object.go
index 8b90358b4cf..34448e7ab62 100644
--- a/cmd/cli/cli/object.go
+++ b/cmd/cli/cli/object.go
@@ -452,7 +452,7 @@ func rmRfAllObjects(c *cli.Context, bck cmn.Bck) error {
 	debug.Assert(errCnt64 > 0)
 	firstErr := <-errCh
 	warn := fmt.Sprintf("failed to delete %d object%s from %s: (%d deleted, %d error%s)\n", l-cnt, cos.Plural(l-cnt),
-		bck, cnt, errCnt64, cos.Plural(int(errCnt64)))
+		bck.String(), cnt, errCnt64, cos.Plural(int(errCnt64)))
 	actionWarn(c, warn)
 	return firstErr
 }
diff --git a/cmd/cli/cli/object_hdlr.go b/cmd/cli/cli/object_hdlr.go
index 06eb6085892..37b882c5bd0 100644
--- a/cmd/cli/cli/object_hdlr.go
+++ b/cmd/cli/cli/object_hdlr.go
@@ -1,6 +1,6 @@
 // Package cli provides easy-to-use commands to manage, monitor, and utilize AIS clusters.
 /*
- * Copyright (c) 2018-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2018-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package cli
 
@@ -289,7 +289,7 @@ func mvObjectHandler(c *cli.Context) (err error) {
 
 	if bckDst, objDst, err := parseBckObjURI(c, newObj, false); err == nil && bckDst.Name != "" {
 		if !bckDst.Equal(&bck) {
-			return incorrectUsageMsg(c, "moving an object to another bucket(%s) is not supported", bckDst)
+			return incorrectUsageMsg(c, "moving an object to another bucket (%s) is not supported", bckDst.Cname(""))
 		}
 		if oldObj == "" {
 			return missingArgumentsError(c, "no object specified in %q", newObj)
diff --git a/cmd/cli/cli/parse_uri.go b/cmd/cli/cli/parse_uri.go
index 9ba70ea3d48..acfb1c08c8c 100644
--- a/cmd/cli/cli/parse_uri.go
+++ b/cmd/cli/cli/parse_uri.go
@@ -1,6 +1,6 @@
 // Package cli provides easy-to-use commands to manage, monitor, and utilize AIS clusters.
 /*
- * Copyright (c) 2018-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2018-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package cli
 
@@ -130,7 +130,8 @@ func parseQueryBckURI(uri string) (cmn.QueryBcks, string, error) {
 	}
 	bck, prefix, err := cmn.ParseBckObjectURI(uri, cmn.ParseURIOpts{IsQuery: true})
 	if prefix != "" && bck.IsQuery() {
-		return cmn.QueryBcks(bck), prefix, fmt.Errorf("bucket query (%q) with embedded prefix (%q) is not supported", bck, prefix)
+		return cmn.QueryBcks(bck), prefix,
+			fmt.Errorf("bucket query (%q) with embedded prefix (%q) is not supported", bck.String(), prefix)
 	}
 	return cmn.QueryBcks(bck), prefix, err
 }
diff --git a/cmd/cli/cli/show_hdlr.go b/cmd/cli/cli/show_hdlr.go
index 760692957a8..73719a5cab8 100644
--- a/cmd/cli/cli/show_hdlr.go
+++ b/cmd/cli/cli/show_hdlr.go
@@ -1,7 +1,7 @@
 // Package cli provides easy-to-use commands to manage, monitor, and utilize AIS clusters.
 // This file contains implementation of the top-level `show` command.
 /*
- * Copyright (c) 2018-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2018-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package cli
 
@@ -717,7 +717,7 @@ func showBMDHandler(c *cli.Context) error {
 					}
 				}
 				fmt.Fprintf(tw, "%s\t%s\t%s\t%s\t%s\t%s\t%s\n",
-					provider, ns, bucket, props.BackendBck, copies, ec,
+					provider, ns, bucket, props.BackendBck.String(), copies, ec,
 					cos.FormatNanoTime(props.Created, ""))
 			}
 		}
diff --git a/cmd/cli/cli/tcbtco.go b/cmd/cli/cli/tcbtco.go
index 7359fed65fb..a354fe6ff2f 100644
--- a/cmd/cli/cli/tcbtco.go
+++ b/cmd/cli/cli/tcbtco.go
@@ -1,6 +1,6 @@
 // Package cli provides easy-to-use commands to manage, monitor, and utilize AIS clusters.
 /*
- * Copyright (c) 2018-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2018-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package cli
 
@@ -89,11 +89,11 @@ func copyTransform(c *cli.Context, etlName, objNameOrTmpl string, bckFrom, bckTo
 	if empty {
 		if bckFrom.IsRemote() && !allIncludingRemote {
 			hint := "(tip: use option %s to " + text1 + " remote objects from the backend store)\n"
-			note := fmt.Sprintf("source %s appears to be empty "+hint, bckFrom, qflprn(copyAllObjsFlag))
+			note := fmt.Sprintf("source %s appears to be empty "+hint, bckFrom.String(), qflprn(copyAllObjsFlag))
 			actionNote(c, note)
 			return nil
 		}
-		note := fmt.Sprintf("source %s is empty, nothing to do\n", bckFrom)
+		note := fmt.Sprintf("source %s is empty, nothing to do\n", bckFrom.String())
 		actionNote(c, note)
 		return nil
 	}
@@ -109,7 +109,7 @@ func copyTransform(c *cli.Context, etlName, objNameOrTmpl string, bckFrom, bckTo
 			return err
 		}
 		warn := fmt.Sprintf("destination %s doesn't exist and will be created with configuration copied from the source (%s))",
-			bckTo, bckFrom)
+			bckTo.String(), bckFrom.String())
 		actionWarn(c, warn)
 	}
 
@@ -121,7 +121,7 @@ func copyTransform(c *cli.Context, etlName, objNameOrTmpl string, bckFrom, bckTo
 	if oltp.objName == "" && oltp.list == "" && oltp.tmpl == "" {
 		// NOTE: e.g. 'ais cp gs://abc gs:/abc' to sync remote bucket => aistore
 		if bckFrom.Equal(&bckTo) && !bckFrom.IsRemote() {
-			return incorrectUsageMsg(c, errFmtSameBucket, commandCopy, bckTo)
+			return incorrectUsageMsg(c, errFmtSameBucket, commandCopy, bckTo.Cname(""))
 		}
 		if dryRun {
 			// TODO: show object names with destinations, make the output consistent with etl dry-run
@@ -308,7 +308,7 @@ func etlBucket(c *cli.Context, etlName string, bckFrom, bckTo cmn.Bck) error {
 	}
 
 	_, xname := xact.GetKindName(apc.ActETLBck)
-	text := fmt.Sprintf("%s %s => %s", xact.Cname(xname, xid), bckFrom, bckTo)
+	text := fmt.Sprintf("%s %s => %s", xact.Cname(xname, xid), bckFrom.String(), bckTo.String())
 	if !flagIsSet(c, waitFlag) && !flagIsSet(c, waitJobXactFinishedFlag) {
 		fmt.Fprintln(c.App.Writer, text)
 		return nil
diff --git a/cmd/cli/cli/utils.go b/cmd/cli/cli/utils.go
index f07ddbc7cb6..cc121b5aebf 100644
--- a/cmd/cli/cli/utils.go
+++ b/cmd/cli/cli/utils.go
@@ -1,6 +1,6 @@
 // Package cli provides easy-to-use commands to manage, monitor, and utilize AIS clusters.
 /*
- * Copyright (c) 2018-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2018-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package cli
 
@@ -496,12 +496,12 @@ func headBucket(bck cmn.Bck, dontAddBckMD bool) (p *cmn.Bprops, err error) {
 		case herr.Message != "":
 			err = errors.New(herr.Message)
 		default:
-			err = fmt.Errorf("failed to HEAD bucket %q: %s", bck, herr.Message)
+			err = fmt.Errorf("failed to HEAD bucket %q: %s", bck.String(), herr.Message)
 		}
 	} else {
 		msg := strings.ToLower(err.Error())
 		if !strings.HasPrefix(msg, "head \"http") && !strings.HasPrefix(msg, "head http") {
-			err = fmt.Errorf("failed to HEAD bucket %q: %v", bck, err)
+			err = fmt.Errorf("failed to HEAD bucket %q: %v", bck.String(), err)
 		}
 	}
 	return
@@ -662,7 +662,7 @@ func isBucketEmpty(bck cmn.Bck, cached bool) (bool, error) {
 
 func ensureRemoteProvider(bck cmn.Bck) error {
 	if !apc.IsProvider(bck.Provider) {
-		return fmt.Errorf("invalid bucket %q: missing backend provider", bck)
+		return fmt.Errorf("invalid bucket %q: missing backend provider", bck.String())
 	}
 	if bck.IsRemote() {
 		return nil
@@ -678,7 +678,7 @@ func ensureRemoteProvider(bck cmn.Bck) error {
 			return nil // yes it is
 		}
 	}
-	return fmt.Errorf("invalid bucket %q: expecting remote backend", bck)
+	return fmt.Errorf("invalid bucket %q: expecting remote backend", bck.String())
 }
 
 func parseURLtoBck(strURL string) (bck cmn.Bck) {
diff --git a/cmd/cli/cli/utils_internal_test.go b/cmd/cli/cli/utils_internal_test.go
index 5f768feb130..d430c7aed57 100644
--- a/cmd/cli/cli/utils_internal_test.go
+++ b/cmd/cli/cli/utils_internal_test.go
@@ -1,6 +1,6 @@
 // Package cli provides easy-to-use commands to manage, monitor, and utilize AIS clusters.
 /*
- * Copyright (c) 2018-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2018-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package cli
 
@@ -216,7 +216,7 @@ func TestParseDestValidURIs(t *testing.T) {
 		}
 
 		if bucket != test.bucket {
-			t.Errorf("parseSource(%s) expected bucket: %s, got: %s", test.url, test.bucket, bucket)
+			t.Errorf("parseSource(%s) expected bucket: %s, got: %s", test.url, test.bucket.String(), bucket.String())
 		}
 		if pathSuffix != test.objName {
 			t.Errorf("parseSource(%s) expected bucket: %s, got: %s", test.url, test.objName, pathSuffix)
@@ -351,7 +351,8 @@ func TestParseBckURI(t *testing.T) {
 	for _, test := range positiveTests {
 		bck, err := parseBckURI(&cli.Context{}, test.uri, true /*require provider*/)
 		tassert.Errorf(t, err == nil, "failed on %s with err: %v", test.uri, err)
-		tassert.Errorf(t, test.bck.Equal(&bck), "failed on %s buckets are not equal (expected: %q, got: %q)", test.uri, test.bck, bck)
+		tassert.Errorf(t, test.bck.Equal(&bck), "failed on %s buckets are not equal (expected: %q, got: %q)",
+			test.uri, test.bck.String(), bck.String())
 	}
 
 	negativeTests := []struct {
@@ -373,7 +374,7 @@ func TestParseBckURI(t *testing.T) {
 	}
 	for _, test := range negativeTests {
 		bck, err := parseBckURI(&cli.Context{}, test.uri, true /*require provider*/)
-		tassert.Errorf(t, err != nil, "expected error on %s (bck: %q)", test.uri, bck)
+		tassert.Errorf(t, err != nil, "expected error on %s (bck: %q)", test.uri, bck.String())
 	}
 }
 
@@ -427,7 +428,8 @@ func TestParseBckObjectURI(t *testing.T) {
 	for _, test := range positiveTests {
 		bck, objName, err := parseBckObjURI(&cli.Context{}, test.uri, test.optObjName)
 		tassert.Errorf(t, err == nil, "failed on %s with err: %v", test.uri, err)
-		tassert.Errorf(t, test.bck.Equal(&bck), "failed on %s buckets are not equal (expected: %q, got: %q)", test.uri, test.bck, bck)
+		tassert.Errorf(t, test.bck.Equal(&bck), "failed on %s buckets are not equal (expected: %q, got: %q)",
+			test.uri, test.bck.String(), bck.String())
 		tassert.Errorf(t, test.objName == objName, "failed on %s object names are not equal (expected: %q, got: %q)", test.uri, test.objName, objName)
 	}
 
@@ -458,6 +460,6 @@ func TestParseBckObjectURI(t *testing.T) {
 	}
 	for _, test := range negativeTests {
 		bck, objName, err := parseBckObjURI(&cli.Context{}, test.uri, test.optObjName)
-		tassert.Errorf(t, err != nil, "expected error on %s (bck: %q, obj_name: %q)", test.uri, bck, objName)
+		tassert.Errorf(t, err != nil, "expected error on %s (bck: %q, obj_name: %q)", test.uri, bck.String(), objName)
 	}
 }
diff --git a/cmd/cli/go.mod b/cmd/cli/go.mod
index efa601d00e2..2d168ba47cc 100644
--- a/cmd/cli/go.mod
+++ b/cmd/cli/go.mod
@@ -3,7 +3,7 @@ module github.com/NVIDIA/aistore/cmd/cli
 go 1.23.2
 
 require (
-	github.com/NVIDIA/aistore v1.3.26-0.20250104165201-5ba918095b38
+	github.com/NVIDIA/aistore v1.3.26-0.20250105213550-2b2694a79519
 	github.com/fatih/color v1.18.0
 	github.com/json-iterator/go v1.1.12
 	github.com/onsi/ginkgo/v2 v2.21.0
diff --git a/cmd/cli/go.sum b/cmd/cli/go.sum
index e1a7155a732..9ccd8e584ff 100644
--- a/cmd/cli/go.sum
+++ b/cmd/cli/go.sum
@@ -1,7 +1,7 @@
 code.cloudfoundry.org/bytefmt v0.0.0-20190710193110-1eb035ffe2b6/go.mod h1:wN/zk7mhREp/oviagqUXY3EwuHhWyOvAdsn5Y4CzOrc=
 github.com/BurntSushi/toml v1.4.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
-github.com/NVIDIA/aistore v1.3.26-0.20250104165201-5ba918095b38 h1:lQioqvz7kmF+VtBTvOwjKv2AY2go4tRmUqWXaGeAuBc=
-github.com/NVIDIA/aistore v1.3.26-0.20250104165201-5ba918095b38/go.mod h1:mjhY9OGIZULaC79+iRfzEUvUZw7aIWklJ8um321QVpw=
+github.com/NVIDIA/aistore v1.3.26-0.20250105213550-2b2694a79519 h1:4HbBsL5+pd3cv0awBbyxdwfTps8/lSMQujqvhY5eI0s=
+github.com/NVIDIA/aistore v1.3.26-0.20250105213550-2b2694a79519/go.mod h1:mjhY9OGIZULaC79+iRfzEUvUZw7aIWklJ8um321QVpw=
 github.com/OneOfOne/xxhash v1.2.8 h1:31czK/TI9sNkxIKfaUfGlU47BAxQ0ztGgd9vPyqimf8=
 github.com/OneOfOne/xxhash v1.2.8/go.mod h1:eZbhyaAYD41SGSSsnmcpxVoRiQ/MPUTjUdIIOT9Um7Q=
 github.com/VividCortex/ewma v1.1.1/go.mod h1:2Tkkvm3sRDVXaiyucHiACn4cqf7DpdyLvmxzcbUokwA=
diff --git a/cmd/ishard/go.mod b/cmd/ishard/go.mod
index 51b874cd70a..7622226a058 100644
--- a/cmd/ishard/go.mod
+++ b/cmd/ishard/go.mod
@@ -3,7 +3,7 @@ module github.com/NVIDIA/aistore/cmd/ishard
 go 1.23.2
 
 require (
-	github.com/NVIDIA/aistore v1.3.26-0.20250104165201-5ba918095b38
+	github.com/NVIDIA/aistore v1.3.26-0.20250105213550-2b2694a79519
 	github.com/json-iterator/go v1.1.12
 	github.com/vbauerster/mpb/v4 v4.12.2
 )
diff --git a/cmd/ishard/go.sum b/cmd/ishard/go.sum
index a4769c8c2ac..981444c8abb 100644
--- a/cmd/ishard/go.sum
+++ b/cmd/ishard/go.sum
@@ -1,6 +1,6 @@
 code.cloudfoundry.org/bytefmt v0.0.0-20190710193110-1eb035ffe2b6/go.mod h1:wN/zk7mhREp/oviagqUXY3EwuHhWyOvAdsn5Y4CzOrc=
-github.com/NVIDIA/aistore v1.3.26-0.20250104165201-5ba918095b38 h1:lQioqvz7kmF+VtBTvOwjKv2AY2go4tRmUqWXaGeAuBc=
-github.com/NVIDIA/aistore v1.3.26-0.20250104165201-5ba918095b38/go.mod h1:mjhY9OGIZULaC79+iRfzEUvUZw7aIWklJ8um321QVpw=
+github.com/NVIDIA/aistore v1.3.26-0.20250105213550-2b2694a79519 h1:4HbBsL5+pd3cv0awBbyxdwfTps8/lSMQujqvhY5eI0s=
+github.com/NVIDIA/aistore v1.3.26-0.20250105213550-2b2694a79519/go.mod h1:mjhY9OGIZULaC79+iRfzEUvUZw7aIWklJ8um321QVpw=
 github.com/OneOfOne/xxhash v1.2.8 h1:31czK/TI9sNkxIKfaUfGlU47BAxQ0ztGgd9vPyqimf8=
 github.com/OneOfOne/xxhash v1.2.8/go.mod h1:eZbhyaAYD41SGSSsnmcpxVoRiQ/MPUTjUdIIOT9Um7Q=
 github.com/VividCortex/ewma v1.1.1 h1:MnEK4VOv6n0RSY4vtRe3h11qjxL3+t0B8yOL8iMXdcM=
diff --git a/cmd/ishard/ishard/ishard_test.go b/cmd/ishard/ishard/ishard_test.go
index b88a0484b69..6f2bc44cbca 100644
--- a/cmd/ishard/ishard/ishard_test.go
+++ b/cmd/ishard/ishard/ishard_test.go
@@ -44,7 +44,7 @@ func runIshardTest(t *testing.T, cfg *config.Config, baseParams api.BaseParams,
 	isharder, err := ishard.NewISharder(cfg)
 	tassert.CheckFatal(t, err)
 
-	fmt.Printf("starting ishard, from %s to %s\n", cfg.SrcBck, cfg.DstBck)
+	fmt.Printf("starting ishard, from %s to %s\n", cfg.SrcBck.String(), cfg.DstBck.String())
 
 	err = isharder.Start()
 	tassert.CheckFatal(t, err)
@@ -257,7 +257,7 @@ func TestIshardPrefix(t *testing.T) {
 	isharder, err := ishard.NewISharder(cfg)
 	tassert.CheckFatal(t, err)
 
-	fmt.Printf("starting ishard, from %s to %s\n", cfg.SrcBck, cfg.DstBck)
+	fmt.Printf("starting ishard, from %s to %s\n", cfg.SrcBck.String(), cfg.DstBck.String())
 
 	err = isharder.Start()
 	tassert.CheckFatal(t, err)
@@ -434,7 +434,7 @@ func TestIshardMissingExtension(t *testing.T) {
 		isharder, err := ishard.NewISharder(cfg)
 		tassert.CheckFatal(t, err)
 
-		fmt.Printf("starting ishard, from %s to %s\n", cfg.SrcBck, cfg.DstBck)
+		fmt.Printf("starting ishard, from %s to %s\n", cfg.SrcBck.String(), cfg.DstBck.String())
 
 		err = isharder.Start() // error is expected to occur since `dropout` is set, ishard should abort
 		if err == nil || !strings.HasPrefix(err.Error(), "missing extension: ") {
@@ -465,7 +465,7 @@ func TestIshardMissingExtension(t *testing.T) {
 		isharder, err := ishard.NewISharder(cfg)
 		tassert.CheckFatal(t, err)
 
-		fmt.Printf("starting ishard, from %s to %s\n", cfg.SrcBck, cfg.DstBck)
+		fmt.Printf("starting ishard, from %s to %s\n", cfg.SrcBck.String(), cfg.DstBck.String())
 
 		err = isharder.Start()
 		tassert.CheckFatal(t, err)
@@ -555,7 +555,7 @@ func TestIshardEKM(t *testing.T) {
 	builder.WriteString("\n}")
 	cfg.EKMFlag.Set(builder.String())
 
-	fmt.Printf("starting ishard, from %s to %s\n", cfg.SrcBck, cfg.DstBck)
+	fmt.Printf("starting ishard, from %s to %s\n", cfg.SrcBck.String(), cfg.DstBck.String())
 	isharder, err := ishard.NewISharder(cfg)
 	tassert.CheckFatal(t, err)
 
diff --git a/cmn/bck.go b/cmn/bck.go
index 5b5258511c6..66a175606f8 100644
--- a/cmn/bck.go
+++ b/cmn/bck.go
@@ -218,7 +218,7 @@ func (b *Bck) Equal(other *Bck) bool {
 
 func (b *Bck) String() string {
 	var sb strings.Builder
-	sb.Grow(96)
+	sb.Grow(64)
 	b.Str(&sb)
 	return sb.String()
 }
diff --git a/cmn/err.go b/cmn/err.go
index a1cdda8ebfe..5499febb1fb 100644
--- a/cmn/err.go
+++ b/cmn/err.go
@@ -943,7 +943,7 @@ func ValidateRemoteBck(act string, bck *Bck) (err *ErrNotRemoteBck) {
 }
 
 func (e *ErrNotRemoteBck) Error() string {
-	return fmt.Sprintf("%s: expecting remote bucket (have %s)", e.act, e.bck)
+	return fmt.Sprintf("%s: expecting remote bucket (have %s)", e.act, e.bck.String())
 }
 
 // ErrXactTgtInMaint
diff --git a/core/meta/bck.go b/core/meta/bck.go
index 41aa43168f0..469dba26825 100644
--- a/core/meta/bck.go
+++ b/core/meta/bck.go
@@ -92,7 +92,7 @@ func (b *Bck) String() string {
 		aisBID = uint64(1 << 63)
 	)
 	var sb strings.Builder
-	sb.Grow(96)
+	sb.Grow(64)
 	b.Bucket().Str(&sb)
 	sb.WriteString("(0x")
 	sb.WriteString(strconv.FormatUint((b.Props.BID &^ aisBID), 16))
diff --git a/fs/fs.go b/fs/fs.go
index 527128c0353..5307aa91bd5 100644
--- a/fs/fs.go
+++ b/fs/fs.go
@@ -1,6 +1,6 @@
 // Package fs provides mountpath and FQN abstractions and methods to resolve/map stored content
 /*
- * Copyright (c) 2018-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2018-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package fs
 
@@ -321,7 +321,7 @@ func (mi *Mountpath) createBckDirs(bck *cmn.Bck, nilbmd bool) (int, error) {
 				nlog.Errorln(err)
 			}
 		} else if err := cos.CreateDir(dir); err != nil {
-			return num, fmt.Errorf("bucket %s: failed to create directory %s: %w", bck, dir, err)
+			return num, fmt.Errorf("bucket %s: failed to create directory %s: %w", bck.String(), dir, err)
 		}
 		num++
 	}
@@ -1029,7 +1029,7 @@ func DestroyBucket(op string, bck *cmn.Bck, bid uint64) (err error) {
 					now = time.Now()
 				}
 				if mtime.After(now) || now.Sub(mtime) < bidUnknownTTL {
-					return fmt.Errorf("%s %q: unknown BID with %q age below ttl (%v)", op, bck, bdir, mtime)
+					return fmt.Errorf("%s %q: unknown BID with %q age below ttl (%v)", op, bck.String(), bdir, mtime)
 				}
 			}
 		}
@@ -1043,7 +1043,7 @@ func DestroyBucket(op string, bck *cmn.Bck, bid uint64) (err error) {
 		}
 	}
 	if n < count {
-		err = fmt.Errorf("%s %q: failed to destroy %d out of %d dirs", op, bck, count-n, count)
+		err = fmt.Errorf("%s %q: failed to destroy %d out of %d dirs", op, bck.String(), count-n, count)
 	}
 	return
 }
diff --git a/mirror/put_copies.go b/mirror/put_copies.go
index f286c0d395c..46f9d2861ba 100644
--- a/mirror/put_copies.go
+++ b/mirror/put_copies.go
@@ -1,6 +1,6 @@
 // Package mirror provides local mirroring and replica management
 /*
- * Copyright (c) 2018-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2018-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package mirror
 
@@ -78,7 +78,7 @@ func (p *putFactory) Start() error {
 
 	bck, mirror := lom.Bck(), lom.MirrorConf()
 	if !mirror.Enabled {
-		return fmt.Errorf("%s: mirroring disabled, nothing to do", bck)
+		return fmt.Errorf("%s: mirroring disabled, nothing to do", bck.String())
 	}
 	if err = fs.ValidateNCopies(core.T.String(), int(mirror.Copies)); err != nil {
 		nlog.Errorln(err)
diff --git a/xact/xs/xaction_test.go b/xact/xs/xaction_test.go
index cf7ad852ba1..d91a4f50496 100644
--- a/xact/xs/xaction_test.go
+++ b/xact/xs/xaction_test.go
@@ -1,6 +1,6 @@
 // Package xs_test contains xs unit test.
 /*
- * Copyright (c) 2018-2024, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2018-2025, NVIDIA CORPORATION. All rights reserved.
  */
 package xs_test
 
@@ -175,7 +175,7 @@ func TestXactionAbortAllGlobal(t *testing.T) {
 	xreg.AbortAll(errors.New("test-abort-g"), xact.ScopeG, xact.ScopeGB)
 
 	tassert.Errorf(t, rnsLRU.Entry.Get().IsAborted(), "AbortAllGlobal: expected global xaction to be aborted")
-	tassert.Errorf(t, !xactBck.IsAborted(), "AbortAllGlobal: expected bucket xaction to be running: %s", xactBck)
+	tassert.Errorf(t, !xactBck.IsAborted(), "AbortAllGlobal: expected bucket xaction to be running: %s", xactBck.String())
 }
 
 func TestXactionAbortBuckets(t *testing.T) {