[Samba] Mount Error 13 = Permission Denied Problem
Brian Kelly
brian.kelly at caretouch.net
Wed Dec 11 12:27:47 MST 2013
Hail to the great Samba gurus,
I have a frustrating problem with a daily bash script that uses Samba on CentOS 5.10 to mount a share drive from a Windows Small Business Server 2011 Standard. It had been working fine for months but mid-November the script started intermittently failing at:
mount -t cifs -o user=AsteriskReports,pass=password,domain=CARETOUCH //ctserve2/ct/Marketing/Daily\ Call\ Metrics /DailyCallMetrics
mount error 13 = Permission denied
Refer to the mount.cifs(8) manual page (e.g.man mount.cifs)
I say intermittently because the script would fail only two or three days a week. The other four or five days the script ran flawlessly. Adding the "sec=" option appeared to have no effect. I suspect this problem is on the Windows side because I took packet traces of successful and failing authentication attempts. The packets are pretty much the same save for the encrypted challenge hashes.
Today I discovered that initial mount requests seem to succeed but subsequent ones right after fail. With some trial an error, I found that waiting 180 seconds between umount and mount request seems to resolve the problem. So, this suggests to me some sort of cached credentials problem on the Windows side.
I've modified the script to wait 4 minutes between each mount request but this is a kludge fix and I'd like to resolve the issue properly. Might anyone have any ideas of tests I could run to pinpoint and resolve this issue?
Brian
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