mtdean at thirdcontact
Jul 12, 2012, 11:23 AM
Post #5 of 5
(376 views)
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Re: 0.25 - Video repeated "Scan For Changes" forgets things?
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On 07/12/2012 03:23 AM, Kingsley Turner wrote:
> On 05/07/12 12:44, Kingsley Turner wrote:
>> Hi,
>>
>> I've a bunch of Videos on my MythTV Videos section (not recordings).
>>
>> However when I do "Scan For Changes" sometimes things aren't found.
>> If I scan again, sometimes they come back, maybe other things
>> disappear. I have all my personal rips on a single external hard
>> drive - twice now all the meta-information has disappeared from these
>> files.
>
> I had this again today.
>
> It seems that the external USB hard drives are in sleep mode.
> Perhaps they do not come online quick enough .. in the syslog we get
> these messages:
>
> Jul 12 15:49:12 192.168.1.20 [23453.867268] sd 7:0:0:0: [sde]
> Unhandled error code
> Jul 12 15:49:12 192.168.1.20 [23453.867280] sd 7:0:0:0: [sde]
> Jul 12 15:49:12 192.168.1.20 Result: hostbyte=DID_OK driverbyte=DRIVER_OK
> Jul 12 15:49:12 192.168.1.20 [23453.867287] sd 7:0:0:0: [sde] CDB:
> Jul 12 15:49:12 192.168.1.20 Read(10)
> Jul 12 15:49:12 192.168.1.20 :
> Jul 12 15:49:12 192.168.1.20 28
> Jul 12 15:49:12 192.168.1.20 00
> Jul 12 15:49:12 192.168.1.20 03
> Jul 12 15:49:12 192.168.1.20 f0
> Jul 12 15:49:12 192.168.1.20 0e
> Jul 12 15:49:12 192.168.1.20 bf
> Jul 12 15:49:12 192.168.1.20 00
> Jul 12 15:49:12 192.168.1.20 00
> Jul 12 15:49:12 192.168.1.20 08
> Jul 12 15:49:12 192.168.1.20 00
> Jul 12 15:49:12 192.168.1.20
> Jul 12 15:49:12 192.168.1.20 [23453.867328] end_request: I/O error,
> dev sde, sector 66064063
> Jul 12 15:49:12 192.168.1.20 [23453.867415] XFS (sde1): metadata I/O
> error: block 0x3f00e80 ("xfs_trans_read_buf") error 5 buf count 4096
> Jul 12 15:49:19 192.168.1.20 [23460.732392] sd 6:0:0:0: [sdd]
> Unhandled error code
> Jul 12 15:49:19 192.168.1.20 [23460.732405] sd 6:0:0:0: [sdd]
> Jul 12 15:49:19 192.168.1.20 Result: hostbyte=DID_OK driverbyte=DRIVER_OK
> Jul 12 15:49:19 192.168.1.20 [23460.732755] sd 6:0:0:0: [sdd] CDB:
> Jul 12 15:49:19 192.168.1.20 Read(10)
> Jul 12 15:49:19 192.168.1.20 :
> Jul 12 15:49:19 192.168.1.20 28
> Jul 12 15:49:19 192.168.1.20 00
> Jul 12 15:49:19 192.168.1.20 03
> Jul 12 15:49:19 192.168.1.20 f8
> Jul 12 15:49:19 192.168.1.20 41
> Jul 12 15:49:19 192.168.1.20 5f
> Jul 12 15:49:19 192.168.1.20 00
> Jul 12 15:49:19 192.168.1.20 00
> Jul 12 15:49:19 192.168.1.20 08
> Jul 12 15:49:19 192.168.1.20 00
> Jul 12 15:49:19 192.168.1.20
> Jul 12 15:49:19 192.168.1.20 [23460.732799] end_request: I/O error,
> dev sdd, sector 66601311
> Jul 12 15:49:19 192.168.1.20 [23460.732875] XFS (sdd1): metadata I/O
> error: block 0x3f84120 ("xfs_trans_read_buf") error 5 buf count 4096
>
> And all the files disappear.
> If you "Scan For Changes" again, they're back, but with no meta data.
> So then I have a nearly a thousand files to re-meta.
>
> Is this worthy of a bug report?
> Is it a bug ?
IMHO, no. We're doing the best we can with the information we
have--i.e. when the files we saw disappear (in this case because your
file system isn't working), we assume you deleted them. You can switch
to a non-USB connection for reliability, or just ensure you "manually"
spin up/"renew" the USB connection to the drives before doing a Video
Library scan.
Raymond Wagner will be including a rewrite of the scanner in a future
version of MythTV which will better cope with
umounted/broken/missing/... file systems, so when we support that
feature, it will fix any problems you're having with your current setup.
Mike
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