Adding Raid 5 partition

[stuart]

Christofer C. Bell wrote:

>On 4/23/05, stuart <stuart at jamesnet.ca> wrote:
>  
>
>>I have added 3 extra disks to my system, which i have created a new
>>raid5 device on /dev/md0.  I wish to use this device to serve webpages,
>>but when i change the document root directive in my httpd.conf, and
>>restart the httpd server, i get the error that this directory does not
>>exist. I have properly labeled md0 with "e2label" command and added the
>>approriate stanza in my "/etc/fstab" to mount the directory
>>automatically on boot. I have Selinux running on targeted policy and i
>>have attempted to use "fixfiles" and "restorecon" so that Selinux
>>recoginizes it.. But i am yet to have success. I have also tried just
>>using a normal ext3 partition, that i created after installation, and i
>>get the same error.
>>    
>>
>
>/dev/md0 is a metadevice that describes a raid5 disk volume, it's not
>a directory.  While I'm not clear on what exactly you're doing from
>your post, I have a sneaking suspicion that you've not mounted the
>device anywhere.  What I believe you want to do is something akin to
>the following:
>
># mkfs -t ext3 /dev/md0
># mount -t ext3 /mnt
># service stop httpd
># cp -a /var/www/html/* /mnt
># rm -rf /var/www/html/*
># umount /mnt
># mount -t ext3 /dev/md0 /var/www/html
># restorecon -R -v /var/www/html
># service httpd start
>
>This creates an extended 3 filesystem on the new raid device, mounts
>it in a temporary location, copies your existing web content to it,
>removes the web content from the old location, and the replaces it
>with the new raid device.  The restorecon is self-explanitory as are
>the service commands.
>
>If this isn't the issue, can you please give some more detail on the
>problem you're experiencing?
>
>  
>
Hey Chris thanks for the help, that is essentialy what i had done, the
directory was mounted, but i had mounted it on a new partition directory
named "/www" and then had changed my "/etc/httpd/conf/httpd.conf"  to
reflect the new document root settings, i ran the "restorecon -R -v
/www" and then reloaded the HTTPD server, the error i received was that
none of my new directory structure existed. I then tried as you posted, 
to mount my new MD0 device in its the position "/var/www" , "mount -t
ext3 /dev/md0 /var/www" and ran "restorecon -R -v /var/www"  this seems
to work as Apache loaded fine, where as me labeling  "/dev/md0" as
"/www" and running "restorecon -R -v /www" didn't seem work for me. I
know by default of course Apache has its core directory stored in "/var/www"

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