fix(backup-ng/new): only list writable SRs for CR/DR (#3085)

Fixes #3050

CHANGELOG.md

@@ -22,6 +22,7 @@
 - [Backup NG] Auto-detect when a full export is necessary.
 - Fix Load Balancer [#3075](https://github.com/vatesfr/xen-orchestra/issues/3075#event-1685469551) [#3026](https://github.com/vatesfr/xen-orchestra/issues/3026)
 - [SR stats] Don't scale XAPI iowait values [#2969](https://github.com/vatesfr/xen-orchestra/issues/2969)
+- [Backup NG] Don't list unusable SRs for CR/DR [#3050](https://github.com/vatesfr/xen-orchestra/issues/3050)
 
 ## **5.20.0** (2018-05-31)
 

packages/xo-web/src/xo-app/backup-ng/new/index.js

@@ -35,6 +35,7 @@ import {
   deleteSchedule,
   editBackupNgJob,
   editSchedule,
+  isSrWritable,
   subscribeRemotes,
 } from 'xo'
 
@@ -630,7 +631,7 @@ export default [
         tags: constructSmartPattern(tags, normaliseTagValues),
         type: 'VM',
       }),
-      srPredicate: ({ srs }) => ({ id }) => !includes(srs, id),
+      srPredicate: ({ srs }) => sr => isSrWritable(sr) && !includes(srs, sr.id),
       remotePredicate: ({ remotes }) => ({ id }) => !includes(remotes, id),
     },
   }),