Help: Fullbackup error!

[victorLeong]

I have tried to do fullbackup with snapshot, the error appears.

My zimbra version is 3.1.2. OS is Fedora Core 4.

Backup started at:
Sat Jul 29 04:30:02 CST 2006
Host mydomain
        Stopping antispam...Done
        Stopping antivirus...Done
        Stopping imapproxy...Done
        Stopping ldap...Done
        Stopping logger...Done
        Stopping mailbox...Done
        Stopping mta...Done
        Stopping snmp...Done
        Stopping spell...Done
  Rounding up size to full physical extent 1.00 GB
  Logical volume "ZimbraBackup" created
Host mydomain
        Starting ldap...Done.
        Starting logger...Done.
        Starting mailbox...Done.
        Starting mta...Done.
        Starting snmp...Done.
        Starting spell...Done.
tar: Removing leading `/' from member names
tar: Removing leading `/' from hard link targets
tar: /mnt/ZimbraBackup/zimbra/store/0/34/msg/0/1742-2625.msg: File shrank by 2738413 bytes; padding with zeros
tar: /mnt/ZimbraBackup/zimbra/store/0/34/msg/0/1641-2527.msg: Read error at byte 0, reading 2634 bytes: Input/output error
tar: /mnt/ZimbraBackup/zimbra/store/0/34/msg/0/1498-2387.msg: Read error at byte 0, reading 2765 bytes: Input/output error
tar: /mnt/ZimbraBackup/zimbra/store/0/34/msg/0/1359-2253.msg: Read error at byte 0, reading 1536 bytes: Input/output error
tar: /mnt/ZimbraBackup/zimbra/store/0/34/msg/0/1290-2187.msg: Read error at byte 0, reading 1598 bytes: Input/output error
tar: /mnt/ZimbraBackup/zimbra/store/0/88: Cannot savedir: Input/output error
tar: /mnt/ZimbraBackup/zimbra/store/0/97: Cannot savedir: Input/output error
tar: /mnt/ZimbraBackup/zimbra/.zshrc: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/clamav-0.88: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/openldap-data: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/Login.jsp: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/mysql: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/jdk1.5.0_05: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/index: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/redolog: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/snmp: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/conf: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/zimlets: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/openldap-replica: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/zimlets-extra: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/postfix: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/.bashrc: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/amavisd: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/jdk1.5.0_06: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/amavisd-new-2.3.3: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/postfix-2.2.9: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/postfix-2.2.5: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/snmp-5.1.2: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/log: Cannot stat: No such file or directory
tar: /mnt/ZimbraBackup/zimbra/aspell-0.60.3: Cannot stat: No such file or directory
tar: Error exit delayed from previous errors
  --- Logical volume ---
  LV Name                /dev/VolGroup00/LogVol00
  VG Name                VolGroup00
  LV UUID                *
  LV Write Access        read/write
  LV snapshot status     source of
                         /dev/VolGroup00/ZimbraBackup [INACTIVE]
  LV Status              available
  # open                 1
  LV Size                644.44 GB
  Current LE             20622
  Segments               1
  Allocation             inherit
  Read ahead sectors     0
  Block device           253:0
   
  --- Logical volume ---
  LV Name                /dev/VolGroup00/ZimbraBackup
  VG Name                VolGroup00
  LV UUID                *
  LV Write Access        read/write
  LV snapshot status     INACTIVE destination for /dev/VolGroup00/LogVol00
  LV Status              available
  # open                 0
  LV Size                644.44 GB
  Current LE             20622
  Segments               2
  Snapshot chunk size    8.00 KB
  Allocated to snapshot  100.00% 
  Allocation             inherit
  Read ahead sectors     0
  Block device           253:3
   
Do you really want to remove active logical volume "ZimbraBackup"? [y/n]:   Logical volume "ZimbraBackup" successfully removed
Backup ended at:
Sat Jul 29 04:41:52 CST 2006

my fullbackup script

#fullbackup.sh
#!/bin/bash

time=`date +%Y-%m-%d_%H-%M-%S`

#########################################
# Modify the following variables according to your installation
#########################################

# backup_dir - directory to backup to
backup_dir=/opt/fullbackup

# zimbra_vol - the Logical Volume that contains /opt/zimbra
zimbra_vol=LogVol00

# vol_group - the Volume Group that contains $zimbra_vol
vol_group=VolGroup00

#########################################
# Do not change anything beyond this point
#########################################

# Output date
echo Backup started at:
date

# Enable Snapshot
/sbin/modprobe dm_snapshot

# Stop the Zimbra services
/sbin/service zimbra stop

# Create a logical volume called ZimbraBackup
/usr/sbin/lvcreate -L1000M -s -n ZimbraBackup /dev/$vol_group/$zimbra_vol

# Create a mountpoint to mount the logical volume to
mkdir -p /mnt/ZimbraBackup

# Mount the logical volume to the mountpoint
mount /dev/$vol_group/ZimbraBackup /mnt/ZimbraBackup/

# Start the Zimbra services
/sbin/service zimbra start

# For testing only
#echo Press Enter to continue . . .
#read input

# Create the current backup
mkdir -p $backup_dir
tar zcvf $backup_dir/zimbra.backup.tar.gz /mnt/ZimbraBackup/zimbra/ > /dev/null

# Unmount /mnt/ZimbraBackup and remove the logical volume
umount /mnt/ZimbraBackup/
/usr/sbin/lvdisplay
echo y | /usr/sbin/lvremove /dev/$vol_group/ZimbraBackup

# Output date
echo Backup ended at:
date

So many directory can not stat. What's the problem?

[victorLeong]

I only used tar command to do the fullbackup, and no error appears.

The conculsion is that it can not use snapshot to do backup.