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Full Discussion: Backup Disk
Top Forums UNIX for Dummies Questions & Answers Backup Disk Post 302870209 by timgolding on Friday 1st of November 2013 12:26:20 PM
Old 11-01-2013
Backup Disk
I have a backup script. Before it runs it need to check the backup disk is connected. It usually mounts to /Volumes/Files_Bakup_1

I wrote a bit of script to do the check but it has failed me.

Code:
if
! cd /Volumes/Files_Backup_1
then
    echo "could not connect to external hard drive";
    echo "Dear Admin, The backup script Server_Backup.sh could not connect to external hard disk.\
    Please check and reconnect it!" | mail -s "MAILSERVER BACKUP" admin@domain.com  
    exit 0;
else
    echo "making copy directory"
    copy_dir="/Volumes/Files_Backup_1/Backup_"`date +%Y-%m-%d_%H%M%S`
    mkdir $copy_dir
fi

All it does is check if it can change directory to the Volume it mounted on if it can't then it emails me.

This failed because the code
Code:
cd /Volumes/Files_Backup_1

would just hang forever and the sh script would never get passed that line.
Is there a better way to test the backup disk is connected?

P.S i went in to terminal and issued

Code:
cd /Volumes
ls

Which gave me results
Code:
Files        Files_Backup_1    Server HD2

but when i issued
Code:
df

I got

Code:
Filesystem              512-blocks       Used     Avail Capacity  Mounted on
/dev/disk0s3             160574256   73153056  86909200    46%    /
devfs                          206        206         0   100%    /dev
fdesc                            2          2         0   100%    /dev
<volfs>                       1024       1024         0   100%    /.vol
/dev/disk2s10            976509184   67922320 908586864     7%    /Volumes/Files
automount -nsl [215]             0          0         0   100%    /Network
automount -fstab [234]           0          0         0   100%    /automount/Servers
automount -static [234]          0          0         0   100%    /automount/static

No sign of the backup disk.
If i then did
Code:
cd Files_Backup_1

the computer would hang. in my sftp client i couldn't even cd to /Volumes it just would hang.

What is wrong with my backup disk why does it do this?
Last edited by vbe; 11-01-2013 at 01:46 PM..
 

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