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steveoelliott's avatar
Apr 26, 2013

FSCK Found Errors on Boot

Hi all,

Just rebooted my NAS today after 200 days uptime and thought I'd request a volume scan and it found errors! I've never had a power outage etc so am keen to know what could have caused this file system corruption? Anyu ideas???

I'm running 4.2.21 on a ReadyNAS Pro6

***** File system check forced at Fri Apr 26 20:08:38 WEST 2013 ***** fsck 1.41.14 (22-Dec-2010) e2fsck 1.42.3 (14-May-2012) Pass 1: Checking inodes, blocks, and sizes Inode 4195619, i_blocks is 3135728, should be 3135904. Fix? yes


Running additional passes to resolve blocks claimed by more than one inode...
Pass 1B: Rescanning for multiply-claimed blocks Multiply-claimed block(s) in inode 4195619: 167904376 167904377 167904378 167904379 167904380 167904381 167904382 167904383 167904384 167904385 167904386 167949296 167949297 167949298 167949299 167949300 167949301 167949302 167949303 167949304 167949305 167949306 Pass 1C: Scanning directories for inodes with multiply-claimed blocks Pass 1D: Reconciling multiply-claimed blocks (There are 1 inodes containing multiply-claimed blocks.)

File /PREMIER/Premier Automation Purchase OrdersApp V18.5.mdb (inode #4195619, mod time Fri Apr 26 20:07:42 2013)
has 22 multiply-claimed block(s), shared with 0 file(s):
Multiply-claimed blocks already reassigned or cloned.

Pass 2: Checking directory structure
Pass 3: Checking directory connectivity
Pass 4: Checking reference counts
Pass 5: Checking group summary information

/dev/c/c: ***** FILE SYSTEM WAS MODIFIED *****
/dev/c/c: 615898/30212096 files (13.6% non-contiguous), 62353456/483393536 blocks

All SMART data is perfect, no ATA or Recovered sectors. All drives off HCL and less than a year old.

15 Replies

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  • As already mentioned I am on x86 so 5.3.8 is not an option.

    I've already got a case with support (21042203) but my issue is basically resolved now but am after a root cause and preventing it happening in future.
  • Well, in my case no root cause was found but I'm interested as to why debugfs doesn't return anything useful on the NAS device. Maybe it's something to do with the way the RAID is setup.
  • mdgm-ntgr's avatar
    mdgm-ntgr
    NETGEAR Employee Retired
    There is a new firmware 4.2.23 coming soon with updated e2fsprogs. Hopefully this helps.

    There is a 4.2.23-T6 beta firmware currently available.
  • mdgm-ntgr's avatar
    mdgm-ntgr
    NETGEAR Employee Retired
    No, the kernel is still the same. It is highly unlikely that there will be a kernel update for RAIDiator-x86 4.2.x in the future.

    The new ReadyNAS OS devices use the BTRFS filesystem and currently use the longterm 3.0.x kernel

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