I've been looking into this again and have been able to install it now (10.2.9 is newest now instead of 10.2.8 when I first asked the question): Looking at the dependency resolving, we can see it's going to install libradosstriper1 version 10.2.9 and because of that also librados 10.2.9 ... ---> Package libradosstriper1.x86_64 1:10.2.9-0.el7 will be installed --> Processing Dependency: librados2 = 1:10.2.9-0.el7 for package: 1:libradosstriper1-10.2.9-0.el7.x86_64 ... Same for librgw2: ... ---> Package librgw2.x86_64 1:10.2.9-0.el7 will be installed --> Processing Dependency: libfcgi.so.0()(64bit) for package: 1:librgw2-10.2.9-0.el7.x86_64 ... So to install ceph-common with a specific version, you need to do: yum install ceph-common-10.2.7 libradosstriper1-10.2.7 librgw2-10.2.7 This way it won't try to install v10.2.9 of librados2. I still feel it's weird that it's trying to install newer versions as dependency for a 10.2.7 package (looking at the dependencies being processed, there's no version provided for the librbd, libbabeltrace, libbabeltrace-ctf, libradosstriper and librgw so it will install the newest version it can find and because of that upgrade librados2 to the newest version as well to provide for those dependencies. Complete resolve: Resolving Dependencies --> Running transaction check ---> Package ceph-common.x86_64 1:10.2.7-0.el7 will be installed --> Processing Dependency: python-rados = 1:10.2.7-0.el7 for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: librbd1 = 1:10.2.7-0.el7 for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: python-rbd = 1:10.2.7-0.el7 for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: python-cephfs = 1:10.2.7-0.el7 for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: libcephfs1 = 1:10.2.7-0.el7 for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: librbd.so.1()(64bit) for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: libbabeltrace.so.1()(64bit) for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: libbabeltrace-ctf.so.1()(64bit) for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: libradosstriper.so.1()(64bit) for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: librgw.so.2()(64bit) for package: 1:ceph-common-10.2.7-0.el7.x86_64 ---> Package librados2.x86_64 1:10.2.7-0.el7 will be installed --> Running transaction check ---> Package libbabeltrace.x86_64 0:1.2.4-3.el7 will be installed ---> Package libcephfs1.x86_64 1:10.2.7-0.el7 will be installed ---> Package libradosstriper1.x86_64 1:10.2.9-0.el7 will be installed --> Processing Dependency: librados2 = 1:10.2.9-0.el7 for package: 1:libradosstriper1-10.2.9-0.el7.x86_64 ---> Package librbd1.x86_64 1:10.2.7-0.el7 will be installed --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: 1:librbd1-10.2.7-0.el7.x86_64 ---> Package librgw2.x86_64 1:10.2.9-0.el7 will be installed --> Processing Dependency: libfcgi.so.0()(64bit) for package: 1:librgw2-10.2.9-0.el7.x86_64 ---> Package python-cephfs.x86_64 1:10.2.7-0.el7 will be installed ---> Package python-rados.x86_64 1:10.2.7-0.el7 will be installed --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: 1:python-rados-10.2.7-0.el7.x86_64 ---> Package python-rbd.x86_64 1:10.2.7-0.el7 will be installed --> Running transaction check ---> Package fcgi.x86_64 0:2.4.0-25.el7 will be installed ---> Package librados2.x86_64 1:10.2.7-0.el7 will be installed --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: 1:python-rados-10.2.7-0.el7.x86_64 --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: 1:librbd1-10.2.7-0.el7.x86_64 --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: 1:ceph-common-10.2.7-0.el7.x86_64 ---> Package librados2.x86_64 1:10.2.9-0.el7 will be installed ---> Package librbd1.x86_64 1:10.2.7-0.el7 will be installed --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: 1:librbd1-10.2.7-0.el7.x86_64 ---> Package python-rados.x86_64 1:10.2.7-0.el7 will be installed --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: 1:python-rados-10.2.7-0.el7.x86_64 --> Finished Dependency Resolution Fixed install: yum install ceph-common-10.2.7 libradosstriper1-10.2.7 librgw2-10.2.7 Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: ftp.belnet.be * epel: ftp.nluug.nl * extras: ftp.belnet.be * updates: ftp.belnet.be Resolving Dependencies --> Running transaction check ---> Package ceph-common.x86_64 1:10.2.7-0.el7 will be installed --> Processing Dependency: python-rados = 1:10.2.7-0.el7 for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: librbd1 = 1:10.2.7-0.el7 for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: python-rbd = 1:10.2.7-0.el7 for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: python-cephfs = 1:10.2.7-0.el7 for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: libcephfs1 = 1:10.2.7-0.el7 for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: librbd.so.1()(64bit) for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: librados.so.2()(64bit) for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: libbabeltrace.so.1()(64bit) for package: 1:ceph-common-10.2.7-0.el7.x86_64 --> Processing Dependency: libbabeltrace-ctf.so.1()(64bit) for package: 1:ceph-common-10.2.7-0.el7.x86_64 ---> Package libradosstriper1.x86_64 1:10.2.7-0.el7 will be installed ---> Package librgw2.x86_64 1:10.2.7-0.el7 will be installed --> Processing Dependency: libfcgi.so.0()(64bit) for package: 1:librgw2-10.2.7-0.el7.x86_64 --> Running transaction check ---> Package fcgi.x86_64 0:2.4.0-25.el7 will be installed ---> Package libbabeltrace.x86_64 0:1.2.4-3.el7 will be installed ---> Package libcephfs1.x86_64 1:10.2.7-0.el7 will be installed ---> Package librados2.x86_64 1:10.2.7-0.el7 will be installed ---> Package librbd1.x86_64 1:10.2.7-0.el7 will be installed ---> Package python-cephfs.x86_64 1:10.2.7-0.el7 will be installed ---> Package python-rados.x86_64 1:10.2.7-0.el7 will be installed ---> Package python-rbd.x86_64 1:10.2.7-0.el7 will be installed --> Finished Dependency Resolution Dependencies Resolved ============================================================================================================================================================================================================================================= Package Arch Version Repository Size ============================================================================================================================================================================================================================================= Installing: ceph-common x86_64 1:10.2.7-0.el7 Ceph 17 M libradosstriper1 x86_64 1:10.2.7-0.el7 Ceph 1.8 M librgw2 x86_64 1:10.2.7-0.el7 Ceph 2.9 M Installing for dependencies: fcgi x86_64 2.4.0-25.el7 epel 47 k libbabeltrace x86_64 1.2.4-3.el7 epel 147 k libcephfs1 x86_64 1:10.2.7-0.el7 Ceph 1.9 M librados2 x86_64 1:10.2.7-0.el7 Ceph 1.9 M librbd1 x86_64 1:10.2.7-0.el7 Ceph 2.5 M python-cephfs x86_64 1:10.2.7-0.el7 Ceph 78 k python-rados x86_64 1:10.2.7-0.el7 Ceph 146 k python-rbd x86_64 1:10.2.7-0.el7 Ceph 79 k Transaction Summary ============================================================================================================================================================================================================================================= Install 3 Packages (+8 Dependent packages) Total download size: 28 M Installed size: 99 M ________________________________________ From: Brad Hubbard <bhubbard@xxxxxxxxxx> Sent: Wednesday, July 12, 2017 13:12 To: Buyens Niels Subject: Re: installing specific version of ceph-common On Wed, Jul 12, 2017 at 8:14 PM, Buyens Niels <niels.buyens@xxxxxxx> wrote: > > > I tried installing librados2-10.2.7 separately first (which worked). Then trying to install ceph-common-10.2.7 again: Try removing librados2 and issuing the command I gave previously. You need to restrict the versions explicitly. Late here so this will be my last post today. > > Error: Package: 1:ceph-common-10.2.7-0.el7.x86_64 (Ceph) > Requires: librados2 = 1:10.2.7-0.el7 > Removing: 1:librados2-10.2.7-0.el7.x86_64 (@Ceph) > librados2 = 1:10.2.7-0.el7 > Updated By: 1:librados2-10.2.8-0.el7.x86_64 (Ceph) > librados2 = 1:10.2.8-0.el7 > > ________________________________________ > From: Brad Hubbard <bhubbard@xxxxxxxxxx> > Sent: Wednesday, July 12, 2017 11:59 > To: Buyens Niels > Cc: ceph-users@xxxxxxxxxxxxxx > Subject: Re: installing specific version of ceph-common > > On Wed, Jul 12, 2017 at 6:19 PM, Buyens Niels <niels.buyens@xxxxxxx> wrote: >> Hello, >> >> >> When trying to install a specific version of ceph-common when a newer >> version has been released, the installation fails. >> >> >> I have an environment running version 10.2.7 on CentOS 7. Recently, 10.2.8 >> has been released to the repos. >> >> >> Trying to install version 10.2.7 will fail because it is installing 10.2.8 >> dependencies (even though it says it's going to install 10.2.7 >> dependencies): >> >> >> # yum install ceph-common-10.2.7 > > Try something like... > > # yum install ceph-common-10.2.7 librados2-10.2.7 > > You may need to add more packages with that specific version depending what > other errors you get and also check for existing installed packages that may get > in the way and remove them as necessary. > >> Loaded plugins: fastestmirror >> Loading mirror speeds from cached hostfile >> * base: mirror.unix-solutions.be >> * epel: epel.mirrors.ovh.net >> * extras: mirror.unix-solutions.be >> * updates: mirror.unix-solutions.be >> Resolving Dependencies >> --> Running transaction check >> ---> Package ceph-common.x86_64 1:10.2.7-0.el7 will be installed >> --> Processing Dependency: python-rados = 1:10.2.7-0.el7 for package: >> 1:ceph-common-10.2.7-0.el7.x86_64 >> --> Processing Dependency: librbd1 = 1:10.2.7-0.el7 for package: >> 1:ceph-common-10.2.7-0.el7.x86_64 >> --> Processing Dependency: python-rbd = 1:10.2.7-0.el7 for package: >> 1:ceph-common-10.2.7-0.el7.x86_64 >> --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: >> 1:ceph-common-10.2.7-0.el7.x86_64 >> --> Processing Dependency: python-cephfs = 1:10.2.7-0.el7 for package: >> 1:ceph-common-10.2.7-0.el7.x86_64 >> --> Processing Dependency: libcephfs1 = 1:10.2.7-0.el7 for package: >> 1:ceph-common-10.2.7-0.el7.x86_64 >> --> Processing Dependency: librbd.so.1()(64bit) for package: >> 1:ceph-common-10.2.7-0.el7.x86_64 >> --> Processing Dependency: librados.so.2()(64bit) for package: >> 1:ceph-common-10.2.7-0.el7.x86_64 >> --> Processing Dependency: libbabeltrace.so.1()(64bit) for package: >> 1:ceph-common-10.2.7-0.el7.x86_64 >> --> Processing Dependency: libbabeltrace-ctf.so.1()(64bit) for package: >> 1:ceph-common-10.2.7-0.el7.x86_64 >> --> Processing Dependency: libradosstriper.so.1()(64bit) for package: >> 1:ceph-common-10.2.7-0.el7.x86_64 >> --> Processing Dependency: librgw.so.2()(64bit) for package: >> 1:ceph-common-10.2.7-0.el7.x86_64 >> --> Running transaction check >> ---> Package libbabeltrace.x86_64 0:1.2.4-3.el7 will be installed >> ---> Package libcephfs1.x86_64 1:10.2.7-0.el7 will be installed >> ---> Package librados2.x86_64 1:10.2.7-0.el7 will be installed >> --> Processing Dependency: liblttng-ust.so.0()(64bit) for package: >> 1:librados2-10.2.7-0.el7.x86_64 >> ---> Package libradosstriper1.x86_64 1:10.2.8-0.el7 will be installed >> --> Processing Dependency: librados2 = 1:10.2.8-0.el7 for package: >> 1:libradosstriper1-10.2.8-0.el7.x86_64 >> ---> Package librbd1.x86_64 1:10.2.7-0.el7 will be installed >> --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: >> 1:librbd1-10.2.7-0.el7.x86_64 >> ---> Package librgw2.x86_64 1:10.2.8-0.el7 will be installed >> --> Processing Dependency: libfcgi.so.0()(64bit) for package: >> 1:librgw2-10.2.8-0.el7.x86_64 >> ---> Package python-cephfs.x86_64 1:10.2.7-0.el7 will be installed >> ---> Package python-rados.x86_64 1:10.2.7-0.el7 will be installed >> --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: >> 1:python-rados-10.2.7-0.el7.x86_64 >> ---> Package python-rbd.x86_64 1:10.2.7-0.el7 will be installed >> --> Running transaction check >> ---> Package fcgi.x86_64 0:2.4.0-25.el7 will be installed >> ---> Package librados2.x86_64 1:10.2.7-0.el7 will be installed >> --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: >> 1:python-rados-10.2.7-0.el7.x86_64 >> --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: >> 1:librbd1-10.2.7-0.el7.x86_64 >> --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: >> 1:ceph-common-10.2.7-0.el7.x86_64 >> ---> Package librados2.x86_64 1:10.2.8-0.el7 will be installed >> ---> Package librbd1.x86_64 1:10.2.7-0.el7 will be installed >> --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: >> 1:librbd1-10.2.7-0.el7.x86_64 >> ---> Package lttng-ust.x86_64 0:2.4.1-4.el7 will be installed >> --> Processing Dependency: liburcu-cds.so.1()(64bit) for package: >> lttng-ust-2.4.1-4.el7.x86_64 >> --> Processing Dependency: liburcu-bp.so.1()(64bit) for package: >> lttng-ust-2.4.1-4.el7.x86_64 >> ---> Package python-rados.x86_64 1:10.2.7-0.el7 will be installed >> --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: >> 1:python-rados-10.2.7-0.el7.x86_64 >> --> Running transaction check >> ---> Package librados2.x86_64 1:10.2.7-0.el7 will be installed >> --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: >> 1:python-rados-10.2.7-0.el7.x86_64 >> --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: >> 1:librbd1-10.2.7-0.el7.x86_64 >> --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: >> 1:ceph-common-10.2.7-0.el7.x86_64 >> ---> Package librbd1.x86_64 1:10.2.7-0.el7 will be installed >> --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: >> 1:librbd1-10.2.7-0.el7.x86_64 >> ---> Package python-rados.x86_64 1:10.2.7-0.el7 will be installed >> --> Processing Dependency: librados2 = 1:10.2.7-0.el7 for package: >> 1:python-rados-10.2.7-0.el7.x86_64 >> ---> Package userspace-rcu.x86_64 0:0.7.16-1.el7 will be installed >> --> Finished Dependency Resolution >> Error: Package: 1:ceph-common-10.2.7-0.el7.x86_64 (Ceph) >> Requires: librados2 = 1:10.2.7-0.el7 >> Available: 1:librados2-0.80.7-0.8.el7.x86_64 (epel) >> librados2 = 1:0.80.7-0.8.el7 >> Available: 1:librados2-0.94.5-1.el7.x86_64 (base) >> librados2 = 1:0.94.5-1.el7 >> Available: 1:librados2-10.1.0-0.el7.x86_64 (Ceph) >> librados2 = 1:10.1.0-0.el7 >> Available: 1:librados2-10.1.1-0.el7.x86_64 (Ceph) >> librados2 = 1:10.1.1-0.el7 >> Available: 1:librados2-10.1.2-0.el7.x86_64 (Ceph) >> librados2 = 1:10.1.2-0.el7 >> Available: 1:librados2-10.2.0-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.0-0.el7 >> Available: 1:librados2-10.2.1-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.1-0.el7 >> Available: 1:librados2-10.2.2-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.2-0.el7 >> Available: 1:librados2-10.2.3-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.3-0.el7 >> Available: 1:librados2-10.2.4-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.4-0.el7 >> Available: 1:librados2-10.2.5-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.5-0.el7 >> Available: 1:librados2-10.2.6-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.6-0.el7 >> Available: 1:librados2-10.2.7-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.7-0.el7 >> Installing: 1:librados2-10.2.8-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.8-0.el7 >> Error: Package: 1:librbd1-10.2.7-0.el7.x86_64 (Ceph) >> Requires: librados2 = 1:10.2.7-0.el7 >> Available: 1:librados2-0.80.7-0.8.el7.x86_64 (epel) >> librados2 = 1:0.80.7-0.8.el7 >> Available: 1:librados2-0.94.5-1.el7.x86_64 (base) >> librados2 = 1:0.94.5-1.el7 >> Available: 1:librados2-10.1.0-0.el7.x86_64 (Ceph) >> librados2 = 1:10.1.0-0.el7 >> Available: 1:librados2-10.1.1-0.el7.x86_64 (Ceph) >> librados2 = 1:10.1.1-0.el7 >> Available: 1:librados2-10.1.2-0.el7.x86_64 (Ceph) >> librados2 = 1:10.1.2-0.el7 >> Available: 1:librados2-10.2.0-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.0-0.el7 >> Available: 1:librados2-10.2.1-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.1-0.el7 >> Available: 1:librados2-10.2.2-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.2-0.el7 >> Available: 1:librados2-10.2.3-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.3-0.el7 >> Available: 1:librados2-10.2.4-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.4-0.el7 >> Available: 1:librados2-10.2.5-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.5-0.el7 >> Available: 1:librados2-10.2.6-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.6-0.el7 >> Available: 1:librados2-10.2.7-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.7-0.el7 >> Installing: 1:librados2-10.2.8-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.8-0.el7 >> Error: Package: 1:python-rados-10.2.7-0.el7.x86_64 (Ceph) >> Requires: librados2 = 1:10.2.7-0.el7 >> Available: 1:librados2-0.80.7-0.8.el7.x86_64 (epel) >> librados2 = 1:0.80.7-0.8.el7 >> Available: 1:librados2-0.94.5-1.el7.x86_64 (base) >> librados2 = 1:0.94.5-1.el7 >> Available: 1:librados2-10.1.0-0.el7.x86_64 (Ceph) >> librados2 = 1:10.1.0-0.el7 >> Available: 1:librados2-10.1.1-0.el7.x86_64 (Ceph) >> librados2 = 1:10.1.1-0.el7 >> Available: 1:librados2-10.1.2-0.el7.x86_64 (Ceph) >> librados2 = 1:10.1.2-0.el7 >> Available: 1:librados2-10.2.0-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.0-0.el7 >> Available: 1:librados2-10.2.1-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.1-0.el7 >> Available: 1:librados2-10.2.2-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.2-0.el7 >> Available: 1:librados2-10.2.3-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.3-0.el7 >> Available: 1:librados2-10.2.4-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.4-0.el7 >> Available: 1:librados2-10.2.5-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.5-0.el7 >> Available: 1:librados2-10.2.6-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.6-0.el7 >> Available: 1:librados2-10.2.7-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.7-0.el7 >> Installing: 1:librados2-10.2.8-0.el7.x86_64 (Ceph) >> librados2 = 1:10.2.8-0.el7 >> You could try using --skip-broken to work around the problem >> >> Indien u VITO Mol bezoekt, hou aub er dan rekening mee dat de hoofdingang >> voortaan enkel bereikbaar is vanuit de richting Dessel-Retie, niet vanuit >> richting Mol, zie vito.be/route. >> If you plan to visit VITO at Mol, then please note that the main entrance >> can only be reached coming from Dessel-Retie and no longer coming from Mol, >> see vito.be/en/contact/locations. >> VITO Disclaimer: http://www.vito.be/e-maildisclaimer >> >> _______________________________________________ >> ceph-users mailing list >> ceph-users@xxxxxxxxxxxxxx >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> > > > > -- > Cheers, > Brad -- Cheers, Brad 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