unison, davfs2, mv .unison failing...

Mo B <[email protected]> Tue, 4 Aug 2026 04:46:02 -0700 (PDT)
Newsgroups gmane.network.unison.general
Message-ID <[email protected]>
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Hi, is there any way to disable the temporary .unison copies?
On davfs2 this is sometimes failing and I don't know why.
I tried manually removing the stale .unison copies several times. I tried 
different folder names and shorter pathes, different locations, but with 
this directory it's always failing. All the other several Gigabytes on the 
WebDAV server are working fine with unison, and there is enough space free.

net-misc/unison-2.53.8
net-fs/davfs2-1.7.3

# unison -ui text DAV_Documents -fastcheck true -debug all
...
[files] rename(root=/mnt/autofs/davfs/hidrive/public, 
localPath=Documents/TODO.260727, 
pathOld=.unison.TODO.260727.161efda76924fe565b32ea2ffb5e1855.unison.tmp, 
pathNew=TODO.260727)
[update] checkNoUpdates /mnt/autofs/davfs/hidrive/public 
Documents/TODO.260727
[update] buildUpdateRec: 
/mnt/autofs/davfs/hidrive/public/Documents/TODO.260727
[update]   buildUpdate -> Absent and no archive
[files] Renaming 
.unison.TODO.260727.161efda76924fe565b32ea2ffb5e1855.unison.tmp to 
TODO.260727 in /mnt/autofs/davfs/hidrive/public/Documents; root is 
/mnt/autofs/davfs/hidrive/public
[files] rename: moveFirst=false
[stasher] backup: /mnt/autofs/davfs/hidrive/public / Documents/TODO.260727
[pred] follow 'Documents/TODO.260727' = false
[fspath] 
Os.findWorkingDir(/mnt/autofs/davfs/hidrive/public,Documents/TODO.260727) = 
(/mnt/autofs/davfs/hidrive/public/Documents,TODO.260727)
[stasher] File Documents/TODO.260727 in /mnt/autofs/davfs/hidrive/public 
does not exist, so no need to back up
[os] rename 
/mnt/autofs/davfs/hidrive/public/Documents/.unison.TODO.260727.161efda76924fe565b32ea2ffb5e1855.unison.tmp 
to /mnt/autofs/davfs/hidrive/public/Documents/TODO.260727
[exn] Converting a Unix error to Transient:
Error in renaming 
/mnt/autofs/davfs/hidrive/public/Documents/.unison.TODO.260727.161efda76924fe565b32ea2ffb5e1855.unison.tmp 
to /mnt/autofs/davfs/hidrive/public/Documents/TODO.260727:
Input/output error 
[rename(/mnt/autofs/davfs/hidrive/public/Documents/.unison.TODO.260727.161efda76924fe565b32ea2ffb5e1855.unison.tmp)]
[exn] In renaming 
/mnt/autofs/davfs/hidrive/public/Documents/.unison.TODO.260727.161efda76924fe565b32ea2ffb5e1855.unison.tmp 
to /mnt/autofs/davfs/hidrive/public/Documents/TODO.260727: Propagating 
Transient error
Failed [Documents/TODO.260727]: Error in renaming 
/mnt/autofs/davfs/hidrive/public/Documents/.unison.TODO.260727.161efda76924fe565b32ea2ffb5e1855.unison.tmp 
to /mnt/autofs/davfs/hidrive/public/Documents/TODO.260727:
Input/output error 
[rename(/mnt/autofs/davfs/hidrive/public/Documents/.unison.TODO.260727.161efda76924fe565b32ea2ffb5e1855.unison.tmp)]
Failed [Documents/TODO.260727]: Error in renaming 
/mnt/autofs/davfs/hidrive/public/Documents/.unison.TODO.260727.161efda76924fe565b32ea2ffb5e1855.unison.tmp 
to /mnt/autofs/davfs/hidrive/public/Documents/TODO.260727:
Input/output error 
[rename(/mnt/autofs/davfs/hidrive/public/Documents/.unison.TODO.260727.161efda76924fe565b32ea2ffb5e1855.unison.tmp)]
Unison 2.53.7 (ocaml 4.14.2) finished propagating changes at 13:33:39.31 on 
04 Aug 2026, 5.651 s


Saving synchronizer state
[update] Updating archives
<>!<>[update] Saving archive in 
/home/mb/.unison/scfac2d04127f1c67ab03a74ec18253955
!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>![update] 
Saving archive in /home/mb/.unison/sc161efda76924fe565b32ea2ffb5e1855
<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>!<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<Growing 
heap to 97464k bytes
>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>$<>[update] 
Copying archive /home/mb/.unison/tmfac2d04127f1c67ab03a74ec18253955 to 
/home/mb/.unison/arfac2d04127f1c67ab03a74ec18253955
[update] Copying archive 
/home/mb/.unison/tm161efda76924fe565b32ea2ffb5e1855 to 
/home/mb/.unison/ar161efda76924fe565b32ea2ffb5e1855
[update] Removing archive 
/home/mb/.unison/tmfac2d04127f1c67ab03a74ec18253955
[update] Removing archive 
/home/mb/.unison/tm161efda76924fe565b32ea2ffb5e1855
Synchronization incomplete at 13:33:39  (0 items transferred, 0 skipped, 1 
failed)
  failed: Documents/TODO.260727
allocated_words: 165542222
minor_words: 165455175
promoted_words: 11398851
major_words: 11485898
minor_collections: 637
major_collections: 11
heap_words: 12475392
heap_chunks: 30
top_heap_words: 12475392
compactions: 0
forced_major_collections: 1

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Content-Transfer-Encoding: quoted-printable

<div>Hi, is there any way to disable the temporary .unison copies?</div><di=
v>On davfs2 this is sometimes failing and I don't know why.</div><div>I tri=
ed manually removing the stale .unison copies several times. I tried differ=
ent folder names and shorter pathes, different locations, but with this dir=
ectory it's always failing. All the other several Gigabytes on the WebDAV s=
erver are working fine with unison, and there is enough space free.</div><d=
iv><br /></div><div>net-misc/unison-2.53.8</div><div>net-fs/davfs2-1.7.3</d=
iv><div><br /></div><div><span style=3D"font-family: Courier New; backgroun=
d-color: rgb(255, 255, 255);"># unison -ui text DAV_Documents -fastcheck tr=
ue -debug all</span></div><div><span style=3D"font-family: Courier New; bac=
kground-color: rgb(255, 255, 255);">...</span></div><div><span style=3D"fon=
t-family: Courier New; background-color: rgb(255, 255, 255);">[files] renam=
e(root=3D/mnt/autofs/davfs/hidrive/public, localPath=3DDocuments/TODO.26072=
7, pathOld=3D.unison.TODO.260727.161efda76924fe565b32ea2ffb5e1855.unison.tm=
p, pathNew=3DTODO.260727)<br />[update] checkNoUpdates /mnt/autofs/davfs/hi=
drive/public Documents/TODO.260727<br />[update] buildUpdateRec: /mnt/autof=
s/davfs/hidrive/public/Documents/TODO.260727<br />[update] =C2=A0 buildUpda=
te -&gt; Absent and no archive<br />[files] Renaming .unison.TODO.260727.16=
1efda76924fe565b32ea2ffb5e1855.unison.tmp to TODO.260727 in /mnt/autofs/dav=
fs/hidrive/public/Documents; root is /mnt/autofs/davfs/hidrive/public<br />=
[files] rename: moveFirst=3Dfalse<br />[stasher] backup: /mnt/autofs/davfs/=
hidrive/public / Documents/TODO.260727<br />[pred] follow 'Documents/TODO.2=
60727' =3D false<br />[fspath] Os.findWorkingDir(/mnt/autofs/davfs/hidrive/=
public,Documents/TODO.260727) =3D (/mnt/autofs/davfs/hidrive/public/Documen=
ts,TODO.260727)<br />[stasher] File Documents/TODO.260727 in /mnt/autofs/da=
vfs/hidrive/public does not exist, so no need to back up<br />[os] rename /=
mnt/autofs/davfs/hidrive/public/Documents/.unison.TODO.260727.161efda76924f=
e565b32ea2ffb5e1855.unison.tmp to /mnt/autofs/davfs/hidrive/public/Document=
s/TODO.260727<br />[exn] Converting a Unix error to Transient:<br />Error i=
n renaming /mnt/autofs/davfs/hidrive/public/Documents/.unison.TODO.260727.1=
61efda76924fe565b32ea2ffb5e1855.unison.tmp to /mnt/autofs/davfs/hidrive/pub=
lic/Documents/TODO.260727:<br />Input/output error [rename(/mnt/autofs/davf=
s/hidrive/public/Documents/.unison.TODO.260727.161efda76924fe565b32ea2ffb5e=
1855.unison.tmp)]<br />[exn] In renaming /mnt/autofs/davfs/hidrive/public/D=
ocuments/.unison.TODO.260727.161efda76924fe565b32ea2ffb5e1855.unison.tmp to=
 /mnt/autofs/davfs/hidrive/public/Documents/TODO.260727: Propagating Transi=
ent error<br />Failed [Documents/TODO.260727]: Error in renaming /mnt/autof=
s/davfs/hidrive/public/Documents/.unison.TODO.260727.161efda76924fe565b32ea=
2ffb5e1855.unison.tmp to /mnt/autofs/davfs/hidrive/public/Documents/TODO.26=
0727:<br />Input/output error [rename(/mnt/autofs/davfs/hidrive/public/Docu=
ments/.unison.TODO.260727.161efda76924fe565b32ea2ffb5e1855.unison.tmp)]<br =
/>Failed [Documents/TODO.260727]: Error in renaming /mnt/autofs/davfs/hidri=
ve/public/Documents/.unison.TODO.260727.161efda76924fe565b32ea2ffb5e1855.un=
ison.tmp to /mnt/autofs/davfs/hidrive/public/Documents/TODO.260727:<br />In=
put/output error [rename(/mnt/autofs/davfs/hidrive/public/Documents/.unison=
.TODO.260727.161efda76924fe565b32ea2ffb5e1855.unison.tmp)]<br />Unison 2.53=
.7 (ocaml 4.14.2) finished propagating changes at 13:33:39.31 on 04 Aug 202=
6, 5.651 s<br /><br /><br />Saving synchronizer state<br />[update] Updatin=
g archives<br />&lt;&gt;!&lt;&gt;[update] Saving archive in /home/mb/.uniso=
n/scfac2d04127f1c67ab03a74ec18253955<br />!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&=
gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;=
!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&l=
t;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&=
gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;=
!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&l=
t;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&=
gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;=
!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&l=
t;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&=
gt;!&lt;&gt;!&lt;&gt;![update] Saving archive in /home/mb/.unison/sc161efda=
76924fe565b32ea2ffb5e1855<br />&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;=
!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&l=
t;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&=
gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;=
!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&lt;&gt;!&l=
t;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&=
gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;Growing heap to 97464k bytes<br=
 />&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;=
&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt=
;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&=
lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;$&lt;&gt;[update] Copying archive /home/m=
b/.unison/tmfac2d04127f1c67ab03a74ec18253955 to /home/mb/.unison/arfac2d041=
27f1c67ab03a74ec18253955<br />[update] Copying archive /home/mb/.unison/tm1=
61efda76924fe565b32ea2ffb5e1855 to /home/mb/.unison/ar161efda76924fe565b32e=
a2ffb5e1855<br />[update] Removing archive /home/mb/.unison/tmfac2d04127f1c=
67ab03a74ec18253955<br />[update] Removing archive /home/mb/.unison/tm161ef=
da76924fe565b32ea2ffb5e1855<br />Synchronization incomplete at 13:33:39 =C2=
=A0(0 items transferred, 0 skipped, 1 failed)<br />=C2=A0 failed: Documents=
/TODO.260727<br />allocated_words: 165542222<br />minor_words: 165455175<br=
 />promoted_words: 11398851<br />major_words: 11485898<br />minor_collectio=
ns: 637<br />major_collections: 11<br />heap_words: 12475392<br />heap_chun=
ks: 30<br />top_heap_words: 12475392<br />compactions: 0<br />forced_major_=
collections: 1</span></div>

<p></p>

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