Is there an issue with that second hard drive? Looks like it was read only (which would be an issue when trying to write to it). See log snippet below.
unable to securely remove '//var/lib/mythtv/banners.dpkg-tmp': Read-only file system -- You received this bug notification because you are a member of UBUNTU - AL - BR, which is subscribed to Mythbuntu. https://bugs.launchpad.net/bugs/1524272 Title: package mythtv-backend 2:0.27.5+fixes.20151209.fceab38-0ubuntu0mythbuntu4 [origin: LP-PPA- mythbuntu-0.27] failed to install/upgrade: unable to securely remove '//var/lib/mythtv/banners.dpkg-tmp': Read-only file system Status in Mythbuntu: New Bug description: Software updater reported updates available Agreed to download updates and had the failed to apply package message. That was my entire involment with the issue. ProblemType: Package DistroRelease: Ubuntu 14.04 Package: mythtv-backend 2:0.27.5+fixes.20151209.fceab38-0ubuntu0mythbuntu4 [origin: LP-PPA-mythbuntu-0.27] ProcVersionSignature: Ubuntu 3.16.0-55.74~14.04.1-generic 3.16.7-ckt19 Uname: Linux 3.16.0-55-generic x86_64 NonfreeKernelModules: nvidia tbs6985fe tbs6982fe tbs6680fe tbs6923fe tbs6985se tbs6928se tbs6982se tbs6991fe tbs6618fe tbs6983fe tbs6922fe tbs6928fe tbs6991se tbs6290fe ApportVersion: 2.14.1-0ubuntu3.19 Architecture: amd64 CrashDB: mythbuntu Date: Wed Dec 9 10:15:27 2015 DuplicateSignature: package:mythtv-backend:2:0.27.5+fixes.20151209.fceab38-0ubuntu0mythbuntu4 [origin: LP-PPA-mythbuntu-0.27]:unable to securely remove '//var/lib/mythtv/banners.dpkg-tmp': Read-only file system ErrorMessage: unable to securely remove '//var/lib/mythtv/banners.dpkg-tmp': Read-only file system InstallationDate: Installed on 2015-11-26 (12 days ago) InstallationMedia: Mythbuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1) Installed_mythtv_dbg: 2:0.27.5+fixes.20151209.fceab38-0ubuntu0mythbuntu4 RelatedPackageVersions: dpkg 1.17.5ubuntu5.5 apt 1.0.1ubuntu2.10 SourcePackage: mythtv Title: package mythtv-backend 2:0.27.5+fixes.20151209.fceab38-0ubuntu0mythbuntu4 [origin: LP-PPA-mythbuntu-0.27] failed to install/upgrade: unable to securely remove '//var/lib/mythtv/banners.dpkg-tmp': Read-only file system UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/mythbuntu/+bug/1524272/+subscriptions -- Mailing list: https://launchpad.net/~linux-traipu Post to : linux-traipu@lists.launchpad.net Unsubscribe : https://launchpad.net/~linux-traipu More help : https://help.launchpad.net/ListHelp
