Per,
> If the disk has no write cache the following errors are being logged. > * sd 1:0:0:0: [sdb] No Caching mode page found > * sd 1:0:0:0: [sdb] Assuming drive cache: write through > > Lower the severity from error to info. > The absence of a write cache should not be treated as an error. > There are many portable drives that don't have a write cache. We have it at error level because many consumer devices lie about having caches and we would like the users to know that their data integrity may be at risk. -- Martin K. Petersen Oracle Linux Engineering
