D CAPACITY(16).
>>
>> Remember that we have successfully issued READ CAPACITY(16) so we can
>> take the fast path on subsequent revalidate attempts.
>>
>> Reported-by: Menion <men...@gmail.com>
>> Signed-off-by: Martin K. Petersen <martin.peter...@oracl
that read_capacity16 works and because of the storage size you
must use it, then I think the scsi layer shall go for it
2018-03-10 11:29 GMT+01:00 Christoph Hellwig <h...@infradead.org>:
> On Tue, Mar 06, 2018 at 09:40:56AM +0100, Menion wrote:
>> Hi all
>> Operating big
>> static int sd_try_rc16_first(struct scsi_device *sdp)
>> {
>> if (sdp->host->max_cmd_len < 16)
>> return 0;
>
>
> option
>
>> if (sdp->try_rc_10_first)
>> return 0;
>
>
> option
>
>> if (sdp->scsi_level > SCSI_SPC_2)
>>
neither, there are no dbg for kernel ppa in ubuntu :(
2018-03-08 12:10 GMT+01:00 Steffen Maier <ma...@linux.vnet.ibm.com>:
>
> On 03/08/2018 12:07 PM, Menion wrote:
>>
>> Unfortunately the Ubuntu kernel is not configured for ftrace or
>> kprobe, and I am operatin
018 11:34 AM, Menion wrote:
>>
>> I did some more test
>> This log is specific from the function sd_read_capacitysd_revalidate_disk
>> From what I can see, it seems that it is called only when probing
>> newly attached devices
>> A quick look in the cod
Menion <men...@gmail.com>:
> Hi
> I have tried it, but it does not work:
>
> [ 39.230095] sd 0:0:0:0: [sda] Very big device. Trying to use READ
> CAPACITY(16).
> [ 39.338032] sd 0:0:0:1: [sdb] Very big device. Trying to use READ
> CAPACITY(16).
> [ 39.618268] sd
CAPACITY(16).
[ 658.840440] sd 0:0:0:4: [sde] Very big device. Trying to use READ
CAPACITY(16).
smartd details (before I had the ver 6.5 of 2016)
menion@Menionubuntu:/lib/firmware/brcm$ smartd --version
smartd 6.7 (build date Mar 8 2018)
[x86_64-linux-4.15.5-041505-generic] (local build)
Copyright (C
2018-03-07 14:51 GMT+01:00 Steffen Maier <ma...@linux.vnet.ibm.com>:
>
> On 03/07/2018 09:24 AM, Menion wrote:
>>
> ...
>
> but from then on, you only get it roughly once every 300 seconds, i.e. 5
> minutes
>
> that's where I suspect user space as trigger, un
nothing to do with this
capacity check, and I should have reported this here.
Bye
2018-03-07 3:45 GMT+01:00 Martin K. Petersen <martin.peter...@oracle.com>:
>
> Menion,
>
>> Operating big capacity HDD such 8TB with complex filesystems like
>> BTRFS in RAID mode
Hi all
Operating big capacity HDD such 8TB with complex filesystems like
BTRFS in RAID mode endup in dmesg get flooded by this log, due too
many capacity checks (opaque to the filesystem itself)
The logs come from here:
https://elixir.bootlin.com/linux/latest/source/drivers/scsi/sd.c#L2508
The
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