博客

https://access.redhat.com/solutions/203603

ISSUE

yum update fails with the error : [Errno 256] No more mirrors to try

yum update fails with :-

Error Downloading Packages:

InstallMedia: [Errno 256] No more mirrors to try.

yum fails with :

Error Downloading Packages:

ftp-0.17-35.el5.x86_64:failure:ftp-0.17-35.el5.x86_64.rpm from Red5repo55:[Errno 256] No more mirrors to try. [[6]]” (code -1) Packages Scheduled

yum fails with :

Downloading Packages:

https://cdn.redhat.com/content/dist/rhel/server/6/6Server/x86_64/supplementary/os/Packages/java-1.6.0-ibm-1.6.0.15.0-1jpp.1.el6_4.x86_64.rpm: [Errno 14] PYCURL ERROR 22 – “The requested URL returned error: 404 Not Found”

Trying other mirror.

Error Downloading Packages:

1:java-1.6.0-ibm-1.6.0.15.0-1jpp.1.el6_4.x86_64: failure: Packages/java-1.6.0-ibm-1.6.0.15.0-1jpp.1.el6_4.x86_64.rpm from rhel-6-server-supplementary-rpms: [Errno 256] No more mirrors to try.

ENVIRONMENT

Red Hat Enterprise Linux 5 and later

Red Hat Network (RHN)

Subscription Management (RHSM)

RESOLUTION

Check what files are present under /etc/yum.repos.d directory by:-

# ll /etc/yum.repos.d

If the system is registered to RHN Classic, only rhel-source.repo should be present under /etc/yum.repos.d/.

If the system is registered to subscription-manager (RHSM), rhel-source.repo and ‘redhat.repo’ are present.

If any local repositories, or any other media repositories are present, remove them by :-

# rm -rf /etc/yum.repos.d/<local or other repository name>

Remove old yum cache from system by running following commands:

# rm -fr /var/cache/yum/*

# yum clean all

Check if you can list the valid repositories by :-

# yum repolist

ROOT CAUSE

This issue persist due to following reasons:

Corrupted yum cache.

Inaccessibility of a repository URL from the system.

Presence of customized or other media repositories.

DIAGNOSTIC STEPS

Check the accessibility of the repository URL in the system/network.

# ping URL

Check the repositories under /etc/yum.repos.d

ll /etc/yum.repos.d

Collect a sosreport of the affected system.