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    SubjectRe: Samba can't keep NT shares mounted
    Matthew Vanecek wrote:

    > I don't know who this problem belongs to, samba or Linux, but it's a
    > common one, judging by the responses in my INBOX to a previous post.
    > Plus, it's a fairly serious one; many applications require smb shares to
    > be mounted continuously and without interruption. It's been a recurring
    > problem which seems to have been pushed off to the side as not
    > important, even though it's a serious flaw. Just where, I don't know
    > (i.e., kernel smbfs or samba/smbmount).
    > I know there must be *someone* who has a clue. Various proposed causes
    > include password caching, the use of uid_t instead of __kernel_uid_t in
    > the smbumount code (what that has to do with keeping a share mounted,
    > I'm not sure), and blistering silence from those that write the code and
    > know it best.
    > Pasted below is the body of a previous unanswered post. If any of the
    > experts could help, I and others would really appreciate it.
    > Running NT 4.0 WS SP 5 and samba 2.0.5a on Linux, 2.2.12 kernel.
    > Whenever I mount an NT share from Linux, it times out after an
    > indeterminate period of time. This has been a continuing problem, the
    > only workaround being to perform something requiring disk activity on
    > the NT box, bypassing the cache (i.e., ls > /dev/null doesn't work, but
    > df does). This must be done on a regular basis--every two or three
    > minutes.
    > Error messages
    > me2v:reliant me2v$ ls winnt
    > ls: winnt: Input/output error
    > from /var/log/messages:
    > Sep 15 20:09:14 reliant kernel: smb_trans2_request: result=-32, setting
    > invalid
    > Sep 15 20:10:25 reliant kernel: smb_retry: signal failed, error=-3
    > This was after only about 1 and 1/2 hours, give or take 15 minutes.
    > This has been a recurring problem since I moved to 2.0.3 from 1.9.18 way
    > back when, and plenty of other people have had it, also. The typical
    > response is that it's a password caching problem, but the password
    > caching fixes, if any, haven't fixed the problem.
    > I would like to know 1) Is there something in NT that could be causing
    > this, and what that is/how to fix it, or 2) how to fix it once and for
    > all from the Linux side (besides not using samba, that is). Or is there
    > a smb.conf undocumented option somewhere that would help?
    > I don't know if this is technically a Linux problem or if it's a samba
    > problem, since historically smbmount has not been officially part of
    > samba (although it's distributed and compiled with samba), so I wasn't
    > sure who to post to. Hopefully, someone has found a fix, or at least
    > knows what the problem is...
    > Incidentally, I'm pretty sure it's not an NT service pack problem, since
    > this has been a recurring problem with no service packs, and with SP3-5.
    > --
    > Matthew Vanecek
    > Course of Study:
    > Visit my Website at
    > For answers type: perl -e 'print
    > $i=pack(c5,(41*2),sqrt(7056),(unpack(c,H)-2),oct(115),10);'
    > *****************************************************************
    > For 93 million miles, there is nothing between the sun and my shadow
    > except me. I'm always getting in the way of something...
    > -
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    > Please read the FAQ at

    One possible work around is to use autofs, which will automatically remount
    the file system if it is lost (upon reaccess). Its also nice to cd /dir/ and
    have the directory automatically mounted :].

    -- Nadeem

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