[squid-users] Cache Permission Errors

Mon Aug 24 21:41:49 UTC 2015

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Cheers,

Kuntal
Senior Infrastructure Architecture and Design Specialist
Infrastructure Architecture and Design
Bank of New Zealand

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From:   JL <zimurgy at gmail.com>
To:     Xen <xen at dds.nl>, 
Cc:     squid-users at lists.squid-cache.org
Date:   25/08/2015 05:02 a.m.
Subject:        Re: [squid-users] Cache Permission Errors
Sent by:        "squid-users" <squid-users-bounces at lists.squid-cache.org>

Hi Xen,

Thanks for the feedback. I can confirm both the --with-default-user=squid 
is present in squid -v and the perms of the logs are indeed squid user.

Regards,
Zim

On Mon, Aug 24, 2015 at 12:47 PM, Xen <xen at dds.nl> wrote:
Are you terribly certain the owner:group of the generated log files is the 
same as those of the cache dirs?.

That is a way to check for sure what user it is running under. I was just 
compiling the latest 3.5.x when it would complain, and I had forgotten to 
compile it with --with-default-user=squid.

On 08/24/2015 04:05 PM, JL wrote:
Hi, 

Sorry if this is a duplicate message, I am not sure it went through 
initially. I am having an issue with my caching drives that I can't seem 
to pinpoint the problem. I have 4 drives to be used for caching, they are 
ext3 filesystems mounted like so. I am running CentOS 7.

/dev/sde1 on /var/spool/squid4 type ext3 
(rw,noatime,seclabel,data=ordered)
/dev/sdd1 on /var/spool/squid3 type ext3 
(rw,noatime,seclabel,data=ordered)
/dev/sdc1 on /var/spool/squid2 type ext3 
(rw,noatime,seclabel,data=ordered)
/dev/sdb1 on /var/spool/squid1 type ext3 
(rw,noatime,seclabel,data=ordered)

I set the cache user to be squid in the squid.conf and I reference the 
drives for caching.

cache_dir aufs /var/spool/squid1 460800 32 512
cache_dir aufs /var/spool/squid2 460800 32 512
cache_dir aufs /var/spool/squid3 460800 32 512
cache_dir aufs /var/spool/squid4 460800 32 512

ls -l of the /var/spool shows proper perms, they are propagated.

drwxr-x---. 34 squid squid 4096 Aug 21 10:01 squid1
drwxr-x---. 34 squid squid 4096 Aug 21 10:01 squid2
drwxr-x---. 34 squid squid 4096 Aug 21 10:01 squid3
drwxr-x---. 34 squid squid 4096 Aug 21 10:01 squid4

The cache dirs were successfully created using squid -z and all of the 
subfolders were generated. Squid starts and everything appears to be 
great. Until I monitor the cache.log, then I see the errors begin.

Some like this.

2015/08/16 03:41:55 kid1| /var/spool/squid1/cache/19/8B: (13) Permission 
denied
2015/08/16 03:42:10 kid1| /var/spool/squid2/cache/19/8B: (13) Permission 
denied
2015/08/16 03:42:25 kid1| /var/spool/squid3/cache/19/8B: (13) Permission 
denied
2015/08/16 03:42:40 kid1| /var/spool/squid4/cache/19/8B: (13) Permission 
denied
2015/08/16 03:42:55 kid1| /var/spool/squid1/cache/1A/8B: (13) Permission 
denied
2015/08/16 03:43:10 kid1| /var/spool/squid2/cache/1A/8B: (13) Permission 
denied
2015/08/16 03:43:25 kid1| /var/spool/squid3/cache/1A/8B: (13) Permission 
denied
2015/08/16 03:43:40 kid1| /var/spool/squid4/cache/1A/8B: (13) Permission 
denied
2015/08/16 03:43:55 kid1| /var/spool/squid1/cache/1B/8B: (13) Permission 
denied

Some like this.

2015/08/21 10:02:13 kid1| /var/spool/squid2/17/1FF: (13) Permission denied
2015/08/21 10:02:13 kid1| DiskThreadsDiskFile::openDone: (13) Permission 
denied
2015/08/21 10:02:13 kid1| /var/spool/squid4/00/00/00000000
2015/08/21 10:02:28 kid1| /var/spool/squid3/17/1FF: (13) Permission denied
2015/08/21 10:02:32 kid1| DiskThreadsDiskFile::openDone: (13) Permission 
denied
2015/08/21 10:02:32 kid1| /var/spool/squid4/00/00/00000001
2015/08/21 10:02:33 kid1| DiskThreadsDiskFile::openDone: (13) Permission 
denied
2015/08/21 10:02:33 kid1| /var/spool/squid4/00/00/00000002
2015/08/21 10:02:33 kid1| DiskThreadsDiskFile::openDone: (13) Permission 
denied
2015/08/21 10:02:33 kid1| /var/spool/squid4/00/00/00000003
2015/08/21 10:02:33 kid1| DiskThreadsDiskFile::openDone: (13) Permission 
denied
2015/08/21 10:02:33 kid1| /var/spool/squid4/00/00/00000004
2015/08/21 10:02:33 kid1| DiskThreadsDiskFile::openDone: (13) Permission 
denied
2015/08/21 10:02:33 kid1| /var/spool/squid4/00/00/00000005
2015/08/21 10:02:33 kid1| DiskThreadsDiskFile::openDone: (13) Permission 
denied
2015/08/21 10:02:33 kid1| /var/spool/squid4/00/00/00000006
2015/08/21 10:02:33 kid1| DiskThreadsDiskFile::openDone: (13) Permission 
denied
2015/08/21 10:02:33 kid1| /var/spool/squid4/00/00/00000007

The folders remain empty of course, so no caching is taking place.

I am truly stumped as to what I may be doing wrong since squid has enough 
perms to create the dirs but not enough to save to them.

Any help would be great.

Thanks!
Zim

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