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authorEelco Dolstra <edolstra@gmail.com>2018-01-31T14·08+0100
committerEelco Dolstra <edolstra@gmail.com>2018-01-31T14·08+0100
commitf8e8dd827eb9005fcc3ba42fd0855729ef77d9fb (patch)
treeea9ac7eba661e1004626246407157f8be86434a1 /doc/manual/troubleshooting/links-nix-store.xml
parent478e3e46497322d00430c77d27f36eb64be7f9ba (diff)
Manual: Remove old cruft
Diffstat (limited to 'doc/manual/troubleshooting/links-nix-store.xml')
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diff --git a/doc/manual/troubleshooting/links-nix-store.xml b/doc/manual/troubleshooting/links-nix-store.xml
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@@ -1,43 +0,0 @@
-<section xmlns="http://docbook.org/ns/docbook"
-      xmlns:xlink="http://www.w3.org/1999/xlink"
-      xmlns:xi="http://www.w3.org/2001/XInclude"
-      version="5.0"
-      xml:id="sec-links-nix-store">
-
-<title><quote>Too many links</quote> Error in the Nix store</title>
-
-
-<para>Symptom: when building something, you get an error message such as
-
-<screen>
-...
-<literal>mkdir: cannot create directory `/nix/store/<replaceable>name</replaceable>': Too many links</literal></screen>
-
-</para>
-
-<para>This is usually because you have more than 32,000 subdirectories
-in <filename>/nix/store</filename>, as can be seen using <command>ls
--l</command>:
-
-<screen>
-$ ls -ld /nix/store
-drwxrwxrwt 32000 nix nix 4620288 Sep 8 15:08 store</screen>
-
-The <literal>ext2</literal> file system is limited to an inode link
-count of 32,000 (each subdirectory increasing the count by one).
-Furthermore, the <literal>st_nlink</literal> field of the
-<function>stat</function> system call is a 16-bit value.</para>
-
-<para>This only happens on very large Nix installations (such as build
-machines).</para>
-
-<para>Quick solution: run the garbage collector.  You may want to use
-the <option>--max-links</option> option.</para>
-
-<para>Real solution: put the Nix store on a file system that supports
-more than 32,000 subdirectories per directory, such as ext4.  (This
-doesn’t solve the <literal>st_nlink</literal> limit, but ext4 lies to
-the kernel by reporting a link count of 1 if it exceeds the
-limit.)</para>
-
-</section>