Disk errors when copying

[Ivan Voras]

Richard Tobin wrote:
> When copy between disks (ad10 ->ad8), I get errors:
> 
> ad10: WARNING - READ_DMA48 UDMA ICRC error (retrying request) LBA=435128800
> ad10: FAILURE - READ_DMA48 status=51<READY,DSC,ERROR> error=10<NID_NOT_FOUND> LBA=435128800
> g_vfs_done():ad10s2g[READ(offset=175562145792, length=131072)]error = 5
> 
> I don't get these errors just reading the data from ad10.  Is this
> some kind of system error rather than a bad disk?  Is it a known problem?

It doesn't match any recent known problem - it looks like a disk error. 
You might want to pinpoint the file which causes it and skip that file. 
Use sysutils/smartmontools to test and monitor the drive.

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