449287a2a5
Used extensively on my network over the past month. Reviewed by: pfg, brooks Suggested by: pfg Obtained from: ftp://ftp.am-utils.org/pub/am-utils/ MFC after: 6 weeks Relnotes: yes Differential Revision: D8405
70 lines
2.9 KiB
Plaintext
70 lines
2.9 KiB
Plaintext
Am-utils Frequently Asked Questions
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Note: we started this FAQ only on March 15, 2005; so it's not long or
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comprehensive, yet. Amd is much older than that, and so there's a lot of
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information that's already available in other forms. If this FAQ doesn't
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answer your questions, see information in the following sources:
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1. The Am-utils book: http://www.am-utils.org/docs/amd-book/
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2. The Am-utils user manual, which is part of the distribution and is also
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available from www.am-utils.org.
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3. The www.am-utils.org Web site resources, especially the "am-utils" mailing
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list (and its archives).
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4. In the am-utils distribution (always use the latest ones), see all of the
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various README files (README, README.autofs, README.ldap, README.osx, and
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README.y2k). The "BUGS" file also lists useful information about bugs
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and problems with specific OSs which affect Amd. All of these text files
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are also available from www.am-utils.org.
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5. Some FAQ questions (including newbie questions) are available here:
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http://www.kernelcorp.com/resources_faqs.html
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6. Some problems are known bugs but have not been fixed yet: this are
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listed in bugzilla in https://bugzilla.am-utils.org/
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If you have additions to this FAQ, please let us know at
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the am-utils list (see www.am-utils.org).
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Thank you,
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The Am-utils development team.
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<FAQ>
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*** Linux Questions
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Q1. When I use Amd with Autofs and I restart Amd, how come it cannot remount
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the Autofs partitions?
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A1. This is a limitation of the Linux Autofs kernel module (for both autofs
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v2. and v3). The Linux Autofs does not allow restarting automounted
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points. There's nothing Amd can do about this. In fact, the same
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problem exists if you use the userland "automount" daemon instead of
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Amd. Hopefully Autofs-v4 or the separate effort of Autofs-NG will
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address this serious problem.
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Note that Amd itself can restart autofs automounted points just fine on
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OSs that support it, for example Solaris.
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Q2. When I use Amd, I get this console message frequently: "mount version
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older than kernel." Is it a problem?
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A2. No, it's a harmless warning message that the Linux kernel prints for NFS
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mounts. The intent was to alert administrators that the kernel has
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supposedly a different version of the mount(2) code than a userland
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program used. This happens if you compile Amd against kernel headers
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that are different than the kernel you're running. If the message
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really bothers you, then one way to "fix" the problem is to recompile
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Amd against the same kernel headers as the running kernel.
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Nevertheless, it is a relatively useless message because as far as we
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know, the NFS v2 and v3 mount codes have been in perfect sync between
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the userland and kernel sides, and were "standardized" for years
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already. This warning message caused more unnecessary worry among
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administrators than helping alert them to legitimate problems.
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</FAQ>
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