HDD unmounts while file are being copied

[kaladont]

HI guys,

I have one problem. I have configured RP as a NAS and when rysnc starts to copy HDD unmounts and mounts again after a while. I tried to copy manually and same thing happend again.
What could be a problem?

Code:

xbian@xbian ~/HDD1/Music $ cp -p -R  Music /home/xbian/HDD2/Music
cp: reading `Music/Pink/Can\'t Take Me Home/Most Girls.mp3': Input/output error
cp: failed to extend `/home/xbian/HDD2/Music/Music/Pink/Can\'t Take Me Home/Most Girls.mp3': Input/output error
cp: reading `Music/Pink/Can\'t Take Me Home/Private Show.mp3': Input/output error
cp: failed to extend `/home/xbian/HDD2/Music/Music/Pink/Can\'t Take Me Home/Private Show.mp3': Input/output error
cp: reading `Music/Pink/Can\'t Take Me Home/Split personality.mp3': Input/output error
cp: failed to extend `/home/xbian/HDD2/Music/Music/Pink/Can\'t Take Me Home/Split personality.mp3': Input/output error
cp: reading `Music/Pink/Can\'t Take Me Home/Stop Falling.mp3': Input/output error
cp: failed to extend `/home/xbian/HDD2/Music/Music/Pink/Can\'t Take Me Home/Stop Falling.mp3': Input/output error
cp: reading `Music/Pink/Can\'t Take Me Home/There You Go.mp3': Input/output error
cp: failed to extend `/home/xbian/HDD2/Music/Music/Pink/Can\'t Take Me Home/There You Go.mp3': Input/output error
cp: reading `Music/Pink/Can\'t Take Me Home/You Make Me Sick.mp3': Input/output error
cp: failed to extend `/home/xbian/HDD2/Music/Music/Pink/Can\'t Take Me Home/You Make Me Sick.mp3': Input/output error
cp: cannot stat `Music/Pink/Funhouse': No such file or directory
cp: cannot stat `Music/Pink/Greatest Hits...So Far!!! [Deluxe Edition]': No such file or directory
cp: cannot stat `Music/Pink/I\'m Not Dead': No such file or directory

Code:

xbian@xbian ~/HDD1/Music $ [b]df -h[/b]
Filesystem      Size  Used Avail Use% Mounted on
rootfs           29G  5.5G   23G  20% /
/dev/mmcblk0p2   29G  5.5G   23G  20% /
tmpfs            38M  312K   38M   1% /run
tmpfs           5.0M  552K  4.5M  11% /run/lock
tmpfs            10M     0   10M   0% /dev
/dev/sda1       2.8T  176G  2.6T   7% /home/xbian/HDD2
/dev/sdb1       466G  317G  150G  68% /home/xbian/HDD1
tmpfs            75M     0   75M   0% /run/shm
/dev/mmcblk0p1   34M   17M   18M  49% /boot
/dev/sdb1       466G  317G  150G  68% /home/guest/sftp
/dev/sdc1       466G  317G  150G  68% /home/xbian/HDD1
/dev/sdd1       466G  317G  150G  68% /home/xbian/HDD1
/dev/sde1       466G  317G  150G  68% /home/xbian/HDD1
xbian@xbian ~/HDD1/Music $

syslog

Code:

May 23 09:10:03 xbian ntfs-3g[25941]: ntfs_attr_pread_i: ntfs_pread failed: Input/output error
May 23 09:10:03 xbian ntfs-3g[25941]: ntfs_attr_pread error reading '/Music/Music/Pink/Can't Take Me Home/Most Girls.mp3' at offset 6225920: 131072 <> -1: Input/output error
May 23 09:10:03 xbian ntfs-3g[25941]: ntfs_attr_pread_i: ntfs_pread failed: Input/output error
May 23 09:10:03 xbian ntfs-3g[25941]: ntfs_attr_pread error reading '/Music/Music/Pink/Can't Take Me Home/Most Girls.mp3' at offset 6356992: 131072 <> -1: Input/output error
May 23 09:10:03 xbian ntfs-3g[25941]: ntfs_attr_pread_i: ntfs_pread failed: Input/output error
May 23 09:10:03 xbian ntfs-3g[25941]: ntfs_attr_pread error reading '/Music/Music/Pink/Can't Take Me Home/Most Girls.mp3' at offset 6225920: 4096 <> -1: Input/output error
May 23 09:10:03 xbian ntfs-3g[25941]: ntfs_attr_pread_i: ntfs_pread failed: Input/output error
May 23 09:10:03 xbian ntfs-3g[25941]: ntfs_attr_pread error reading '/Music/Music/Pink/Can't Take Me Home/Private Show.mp3' at offset 0: 65536 <> -1: Input/output error
May 23 09:10:03 xbian ntfs-3g[25941]: ntfs_attr_pread_i: ntfs_pread failed: Input/output error
May 23 09:10:03 xbian ntfs-3g[25941]: ntfs_attr_pread error reading '/Music/Music/Pink/Can't Take Me Home/Private Show.mp3' at offset 0: 4096 <> -1: Input/output error
May 23 09:10:03 xbian ntfs-3g[25941]: ntfs_attr_pread_i: ntfs_pread failed: Input/output error
May 23 09:10:03 xbian ntfs-3g[25941]: ntfs_attr_pread error reading '/Music/Music/Pink/Can't Take Me Home/Split personality.mp3' at offset 0: 65536 <> -1: Input/output error

May 23 09:10:04 xbian ntfs-3g[25941]: ntfs_attr_pread_i: ntfs_pread failed: Input/output error
May 23 09:10:04 xbian ntfs-3g[25941]: Failed to read vcn 0x0: Input/output error
May 23 09:10:04 xbian ntfs-3g[25941]: ntfs_attr_pread_i: ntfs_pread failed: Input/output error
May 23 09:10:04 xbian ntfs-3g[25941]: Failed to read vcn 0x0: Input/output error
May 23 09:10:04 xbian ntfs-3g[25941]: ntfs_attr_pread_i: ntfs_pread failed: Input/output error
May 23 09:10:04 xbian ntfs-3g[25941]: Failed to read vcn 0x0: Input/output error
May 23 09:10:04 xbian ntfs-3g[25941]: ntfs_attr_pread_i: ntfs_pread failed: Input/output error
May 23 09:10:04 xbian ntfs-3g[25941]: Failed to read vcn 0x0: Input/output error
May 23 09:10:04 xbian ntfs-3g[25941]: ntfs_attr_pread_i: ntfs_pread failed: Input/output error


May 23 09:10:11 xbian usbmount[27724]: /dev/sde does not contain a filesystem or disklabel
May 23 09:10:12 xbian usbmount[27745]: executing command: mount -U 9C64D17064D14DA0
May 23 09:10:13 xbian ntfs-3g[27767]: Version 2012.1.15AR.5 external FUSE 29
May 23 09:10:13 xbian ntfs-3g[27767]: Mounted /dev/sde1 (Read-Write, label "My Passport", NTFS 3.1)
May 23 09:10:13 xbian ntfs-3g[27767]: Cmdline options: rw,noatime,nodiratime,big_writes
May 23 09:10:13 xbian ntfs-3g[27767]: Mount options: rw,nodiratime,allow_other,nonempty,noatime,fsname=/dev/sde1,blkdev,blksize=4096
May 23 09:10:13 xbian ntfs-3g[27767]: Ownership and permissions disabled, configuration type 7
May 23 09:12:57 xbian smbd[27859]: [2013/05/23 09:12:57.969649,  0] printing/print_cups.c:110(cups_connect)
May 23 09:12:57 xbian smbd[27859]:   Unable to connect to CUPS server localhost:631 - Connection refused
May 23 09:12:57 xbian smbd[2695]: [2013/05/23 09:12:57.978188,  0] printing/print_cups.c:487(cups_async_callback)
May 23 09:12:57 xbian smbd[2695]:   failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
May 23 09:16:56 xbian ntfs-3g[25941]: ntfs_attr_pread_i: ntfs_pread failed: Input/output error
May 23 09:16:56 xbian ntfs-3g[25941]: Failed to read index block: Input/output error
May 23 09:16:56 xbian ntfs-3g[25941]: ntfs_attr_pread_i: ntfs_pread failed: Input/output error

fstab

Code:

xbian@xbian ~/HDD1/Music $ cat /etc/fstab
proc            /proc           proc    defaults          0       0
/dev/mmcblk0p1  /boot           vfat    defaults          0       2
/dev/mmcblk0p2  /               ext4    defaults,noatime  0       1
/var/swapfile                swap        swap    defaults            0    0
UUID=9C64D17064D14DA0 /home/xbian/HDD1 auto defaults,noatime,nodiratime,async,big_writes 0 0
/home/xbian/HDD1/sftp /home/guest/sftp auto bind,gid=46,defaults 0 0
#/home/xbian/HDD1/XBMC/downloads/ /home/xbian/downloads auto bind,gid=46,defaults 0 0
UUID=34445AFE445AC272 /home/xbian/HDD2 auto noatime 0 0
xbian@xbian ~/HDD1/Music $