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CentOS6のreposyncでEPEL7のリポジトリをミラーする時のエラー対策メモ

Last updated at Posted at 2016-02-23

エラーが出る

CentOS6でEPEL7のリポジトリのミラーを作ろうとしていたらエラーが出た。/etc/yum.repos.d/epel-local.repo[epel7]というセクションを作ってreposyncした。

# reposync --arch=x86_64 --norepopath -r epel7 -p /var/www/html/epel/7/x86_64
Traceback (most recent call last):
  File "/usr/bin/reposync", line 352, in <module>
    main()
  File "/usr/bin/reposync", line 195, in main
    my.doSackSetup(arches)
  File "/usr/lib/python2.6/site-packages/yum/__init__.py", line 650, in doSackSetup
    return self._getSacks(archlist=archlist, thisrepo=thisrepo)
  File "/usr/lib/python2.6/site-packages/yum/__init__.py", line 687, in _getSacks
    self.repos.populateSack(which=repos)
  File "/usr/lib/python2.6/site-packages/yum/repos.py", line 324, in populateSack
    sack.populate(repo, mdtype, callback, cacheonly)
  File "/usr/lib/python2.6/site-packages/yum/yumRepo.py", line 176, in populate
    db_un_fn = misc.decompress(db_fn)
  File "/usr/lib/python2.6/site-packages/yum/misc.py", line 1100, in decompress
    _decompress_chunked(filename, out, ztype)
  File "/usr/lib/python2.6/site-packages/yum/misc.py", line 732, in _decompress_chunked
    raise Errors.MiscError, msg
yum.Errors.MiscError: xz compression not available

どうやらyumがxzを扱えていないらしい。

対策

ググったらmockというパッケージを入れると問題が解決するとのこと。たぶんmockのおかげじゃなくて、修正版mockが入ることでyumがxzに対応するんだと思う(未確認)。

# yum install epel-release -y
# yum install mock -y

参考

https://access.redhat.com/discussions/918083
https://bugzilla.redhat.com/show_bug.cgi?id=1099676

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