On Monday 27 August 2012 13:21:41 Muhammad Yousuf Khan wrote:
> Aug 27 12:11:37 lion kernel: [ 6.347932] ata1.00: status: { DRDY ERR }
> Aug 27 12:11:37 lion kernel: [ 6.348008] ata1.00: error: { UNC }
> Aug 27 12:11:37 lion kernel: [ 6.372478] ata1.00: configured for
> UDMA/133 Aug 27 12:11:37 lion kernel: [ 6.372487] ata1: EH complete
> Aug 27 12:11:37 lion kernel: [ 9.059325] ata1.00: exception Emask
> 0x0 SAct 0x0 SErr 0x0 action 0x0
> Aug 27 12:11:37 lion kernel: [ 9.059413] ata1.00: BMDMA stat 0x4
> Aug 27 12:11:37 lion kernel: [ 9.059514] ata1.00: failed command: READ
> DMA Aug 27 12:11:37 lion kernel: [ 9.059620] ata1.00: cmd
> c8/00:08:08:78:1b/00:00:00:00:00/e2 tag 0 dma 4096 in
> Aug 27 12:11:37 lion kernel: [ 9.059621] res
> 51/40:00:0a:78:1b/00:00:00:00:00/e2 Emask 0x9 (media error)
>
>
> do i have to worry about this?
yes. Any current pending sector means that some part of the disk is not
readable, which may lead to a file with a hole or a corrupt file system.
See
http://sourceforge.net/apps/trac/smartmontools/wiki/FAQ#UnreadableuncorrectablependingsectorsorMediumerrorondisk.Whatsgoingon
and http://smartmontools.sourceforge.net/badblockhowto.html
HTH
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