Added new storage node - images getting stuck in dev directory

[glienhard]

[Wayne Workman]

@glienhard said:

Hi Wayne,

I don’t have FOG_FTP_TIMEOUT under the General Settings.

Then it must be only in FOG Trunk right now (developmental version). Feel free to upgrade to trunk, or you will just have to change the command yourself in the web code if you stay on 1.2.0. And changing it yourself isn’t a big deal, really. You’re just changing a number (or maybe adding an argument to a command).

Here’s the contents of my /var/www/html/fog/lib/fog/fogftp.class.php. Post yours and maybe we can figure something out?

<?php
class FOGFTP extends FOGGetSet {
    protected $data = array(
        'host' => '',
        'username' => '',
        'password' => '',
        'port' => '',
        'timeout' => '',
    );
    private $link;
    private $loginLink;
    private $lastConnectionHash;
    public $passiveMode = true;
    public function __destruct() {
        $this->close(true);
    }
    public function connect() {
        unset($error,$result);
        $this->set('port',$this->getSetting('FOG_FTP_PORT'));
        $this->set('timeout',$this->getSetting('FOG_FTP_TIMEOUT'));
        $connectionHash = md5(serialize($this->data));
        $connected = $this->link && $this->lastConnectionHash == $connectionHash;
        if ($connected) return $this;
        if (!($this->link = @ftp_connect($this->get('host'), $this->get('port'), $this->get('timeout')))) {
            $error = error_get_last();
            throw new Exception(sprintf('%s: Failed to connect. Host: %s, Error: %s', get_class($this), $this->get('host'), $error['message']));
        } else if (!($this->loginLink = @ftp_login($this->link,$this->get('username'),$this->get('password')))) {
            $error = error_get_last();
            throw new Exception(sprintf('%s: Login failed. Host: %s, Username: %s, Password: %s, Error: %s',get_class($this),$this->get('host'),$this->get('username'),$this->get('password'),$error['message']));
        }
        if ($this->passiveMode) @ftp_pasv($this->link,true);
        $this->lastConnectionHash = $connectionHash;
        return $this;
    }
    public function close($if = true) {
        if ($this->link && $if) @ftp_close($this->link);
        $this->link = null;
        return $this;
    }
    public function put($remotePath, $localPath, $mode = FTP_BINARY) {
        if (!@ftp_put($this->link, $remotePath, $localPath, $mode)) {
            $error = error_get_last();
            throw new Exception(sprintf('%s: Failed to %s file. Remote Path: %s, Local Path: %s, Error: %s', get_class($this), __FUNCTION__, $remotePath, $localPath, $error['message']));
        }
        return $this;
    }
    public function rename($remotePath, $localPath) {
        if(@ftp_nlist($this->link,$localPath)) {
            if(!@ftp_rename($this->link, $localPath, $remotePath)) {
                $error = error_get_last();
                throw new Exception(sprintf('%s: Failed to %s file. Remote Path: %s, Local Path: %s, Error: %s', get_class($this), __FUNCTION__, $remotePath, $localPath, $error['message']));
            }
        }
        return $this;
    }
    public function nlist($remotePath) {
        return @ftp_nlist($this->link,$remotePath);
    }
    public function exists($path) {
        $dirlisting = $this->nlist(dirname($path));
        return in_array($path,$dirlisting);
    }
    public function chdir($path) {
        return @ftp_chdir($this->link, $path);
    }
    public function size($pathfile) {
        $size = 0;
        $filelist = @ftp_rawlist($this->link,$pathfile);
        if ($filelist) {
            foreach($filelist AS $i => $file) {
                $fileinfo = preg_split('#\s+#',$file,null,PREG_SPLIT_NO_EMPTY);
                $size += $fileinfo[4];
            }
            unset($file);
        }
        return ($size > 0 ? $size : 0);
    }
    public function mkdir($remotePath) {
        return @ftp_mkdir($this->link,$remotePath);
    }
    public function delete($path) {
        if (!(@ftp_delete($this->link, $path)||@ftp_rmdir($this->link,$path))) {
            $filelist = @ftp_nlist($this->link,$path);
            if ($filelist) {
                foreach($filelist AS $i => &$file) $this->delete($file);
                unset($file);
                $this->delete($path);
            }
        }
        return $this;
    }
}

[Wayne Workman]

Also, I found this on the web concerning the command used. It gives us a base to work from.
http://php.net/manual/en/function.ftp-connect.php

[glienhard]

@Wayne-Workman

<?php
/** \class FOGFTP
        Globally accessible class.
        It does the FTP Taskings for us.
        Now that we're using iPXE, it's really
        only used for Image Replication and upload tasks.
*/
class FOGFTP extends FOGGetSet
{
        // Data
        public $data = array(
                'host'          => '',
                'username'      => '',
                'password'      => '',
                'port'          => 21,
                'timeout'       => 10
        );

        // Links
        private $link;
        private $loginLink;
        private $lastConnectionHash;
        public $passiveMode = true;
        public function connect()
        {
                // Return if - already connected && last connection is the same || details unset
                $connectionHash = md5(serialize($this->data));
                if (($this->link && $this->lastConnectionHash == $connectionHash) || !$this->get('host') || !$this->get('username') || !$this->get('password') || !$this->get('port'))
                        return $this;
                // Connect
                $this->link = @ftp_connect($this->get('host'), $this->get('port'), $this->get('timeout'));
                if (!$this->link)
                {
                        $error = error_get_last();
                        throw new Exception(sprintf('%s: Failed to connect. Host: %s, Error: %s', get_class($this), $this->get('host'), $error['message']));
                }
                // Login
                if (!$this->loginLink = @ftp_login($this->link, $this->get('username'), $this->get('password')))
                {
                        $error = error_get_last();
                        throw new Exception(sprintf('%s: Login failed. Host: %s, Username: %s, Password: %s, Error: %s', get_class($this), $this->get('host'), $this->get('username'), $this->get('password'), $error['message']));
                }
                if ($this->passiveMode)
                        ftp_pasv($this->link, true);
                // Store connection hash
                $this->lastConnectionHash = $connectionHash;
                // Return
                return $this;
        }

        public function close($if = true)
        {
                // Only if connected
                if ($this->link && $if)
                {
                        // Disconnect
                        @ftp_close($this->link);
                        // unset connection variable
                        unset($this->link);
                }
                // Return
                return $this;
        }

        public function put($remotePath, $localPath, $mode = FTP_ASCII)
        {
                // Put file
                if (!@ftp_put($this->link, $remotePath, $localPath, $mode))
                {
                        $error = error_get_last();
                        throw new Exception(sprintf('%s: Failed to %s file. Remote Path: %s, Local Path: %s, Error: %s', get_class($this), __FUNCTION__, $remotePath, $localPath, $error['message']));
                }
                // Return
                return $this;
        }

        public function rename($remotePath, $localPath)
        {
                if(@ftp_nlist($this->link,$localPath))
                {
                        if(!@ftp_rename($this->link, $localPath, $remotePath))
                        {
                                $error = error_get_last();
                                throw new Exception(sprintf('%s: Failed to %s file. Remote Path: %s, Local Path: %s, Error: %s', get_class($this), __FUNCTION__, $remotePath, $localPath, $error['message']));
                        }
                }
                return $this;
        }
        public function chdir($path)
        {
                if (@ftp_chdir($this->link, $path))
                        return $this;
                return false;
        }
        public function size($pathfile)
        {
                $size = 0;
                if (@ftp_size($this->link,$pathfile) == -1)
                {
                        $filelist = @ftp_nlist($this->link,$pathfile);
                        if ($filelist)
                        {
                                foreach($filelist AS $file)
                                        $size += @ftp_size($this->link,$file);
                        }
                }
                else
                        $size = @ftp_size($this->link, $pathfile);
                return ($size > 0 ? $size : 0);
        }
        public function mkdir($remotePath)
        {
                return @ftp_mkdir($this->link,$remotePath);
        }
        public function delete($path)
        {
                if (!(@ftp_delete($this->link, $path)||@ftp_rmdir($this->link,$path)))
                {
                        $filelist = @ftp_nlist($this->link,$path);
                        if ($filelist)
                        {
                                foreach($filelist AS $file)
                                        $this->delete($file);
                                $this->delete($path);
                        }
                }
                // Return
                return $this;
        }
}

[Wayne Workman]

@glienhard Oh well that couldn’t be easier. Change the timeout from 10 to something like 20 or 30.

[glienhard]

@Wayne-Workman Yep saw that myself. Since the iscsi is going across a 1Gbit link I’m changing it to 30 and will try again. I’ll keep you posted. Thanks!

[glienhard]

@Wayne-Workman Still no luck…still stuck in the dev directory.

[Wayne Workman]

@glienhard said:

@Wayne-Workman Still no luck…still stuck in the dev directory.

Can you verify what the root directory is on this SAN disk? Using ftp, change directory to the “root” directory with cd / and take a look around and figure out where you are.

also, to me, it’s just really confusing to have this new storage inside the old one. You can easily mount it to a new directory, something like /SANimages and then just copy/paste the existing entries in /etc/exports so you have a new NFS export called /SANimages, just increment the ID and change the paths.

Just some ideas.

@Tom-Elliott thoughts on why it isn’t working?

[glienhard]

@Wayne-Workman Here is what I have… I have an internal RAID array mounted to /images. Then I have the SAN mounted to /images/archive. (I did this because I thought it would be more friendly to FOG that way.) I can certainly remount the SAN to a different folder and give that a try. (I had had that thought as well.)

Here is what I have in my /etc/exports file:

/images *(ro,sync,no_wdelay,no_subtree_check,insecure_locks,no_root_squash,insecure,fsid=0)
/images/dev *(rw,async,no_wdelay,no_subtree_check,no_root_squash,insecure,fsid=1)
/images/archive *(ro,sync,no_wdelay,no_subtree_check,insecure_locks,no_root_squash,insecure,fsid=2)
/images/archive/dev *(rw,async,no_wdelay,no_subtree_check,no_root_squash,insecure,fsid=3)

[Wayne Workman]

@glienhard How about…

/images *(ro,sync,no_wdelay,no_subtree_check,insecure_locks,no_root_squash,insecure,fsid=0)
/images/dev *(rw,async,no_wdelay,no_subtree_check,no_root_squash,insecure,fsid=1)
/archive *(ro,sync,no_wdelay,no_subtree_check,insecure_locks,no_root_squash,insecure,fsid=2)
/archive/dev *(rw,async,no_wdelay,no_subtree_check,no_root_squash,insecure,fsid=3)

[glienhard]

@Wayne-Workman I did have the dev directories set to async. I have moved the mount to /img_archive, updated the export file, and trying again.

[Wayne Workman]

@glienhard Update the new storage node too, in the web ui.

[glienhard]

@Wayne-Workman I did update the GUI as well. Unfortunately I’m still getting the same result.

[Tom Elliott]

@glienhard If you’re available, possibly, to do a teamviewer session to try to figure out why it’s not ftping, it’d be really amazing. Just hit me up in chat please (so as not to give out information on people being able to connect.)

[glienhard]

@Tom-Elliott Thank Tom. Just sent you a chat

[Sebastian Roth]

@glienhard Timing could definitely be a troublemaker here. I remember having an issue with images not being properly moved because (you wouldn’t believe it) the /image partition - on a local drive - was formated with ext3!!! This filesystem does some kind of magic defragmentation foo when files are being deleted. Causes delete syscalls to wait for a long time. Is your SAN device ext3??

[glienhard]

Update for this topic.

After remounting the SAN to a different folder the image was still getting stuck in the dev directory. With @Tom-Elliott’s help we did an in-place upgrade to the latest Trunk. After doing this the image moved properly and there were no more issues. Thanks @Tom-Elliott!