Error to add Physical Disk

[Carlos Alexandre]

I'm trying to add a 20 Tb physical disk but when I click Rescan I get the following error message:

2020-05-14T15:16:48.790340-03:00 vtl vtmdaemon: WARN: read_from_device:2662 Failed to open devpath /dev/nvme-fabrics for reading
2020-05-14T15:16:48.790698-03:00 vtl vtmdaemon: ERROR: disksize:59 Disk size ioctl failed with errno 25 and msg Inappropriate ioctl for device
2020-05-14T15:16:48.791941-03:00 vtl vtmdaemon: ERROR: disk_getsize:94 Getting disksize for disk /dev/nvme-fabrics failed

[QUADStor VTL Support]

Hi,

These warnings are fine and will be removed in the next build. The VTL daemon now scans for NVMe devices  but /dev/nvme-fabrics isn't a disk device. This is unrelated to the problem you are facing.

What is the device path of the 20 TB disk ? Is it a SCSI device ? If its a SCSI device what is the output of

lsscsi -g

If the disk has any partitions, mounted file systems etc it will be ignored.

You could also send us the diagnostics logs (HTML UI -> System Page -> Run Diagnostics -> Submit) to vtlsu...@quadstor.com Most the information we need is in that file

Virtual Tape Library (VTL) https://www.quadstor.com/virtual-tape-library.html
VTL software download https://www.quadstor.com/vtl-extended-edition-downloads.html

VTL documentation https://www.quadstor.com/vtl-documentation.html 

 

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[Carlos Alexandre]

Hi,

is scsi follows the output of the command:

[0:2:1:0]    disk    LSI      MR9240-4i        2.12  /dev/sdb   /dev/sg2

is attached...

regards

Em quinta-feira, 14 de maio de 2020 15:26:53 UTC-3, quadstor escreveu:

Hi,

On Thu, May 14, 2020 at 11:50 PM Carlos Alexandre <carlos...@gmail.com> wrote:

I'm trying to add a 20 Tb physical disk but when I click Rescan I get the following error message:

2020-05-14T15:16:48.790340-03:00 vtl vtmdaemon: WARN: read_from_device:2662 Failed to open devpath /dev/nvme-fabrics for reading
2020-05-14T15:16:48.790698-03:00 vtl vtmdaemon: ERROR: disksize:59 Disk size ioctl failed with errno 25 and msg Inappropriate ioctl for device
2020-05-14T15:16:48.791941-03:00 vtl vtmdaemon: ERROR: disk_getsize:94 Getting disksize for disk /dev/nvme-fabrics failed

These warnings are fine and will be removed in the next build. The VTL daemon now scans for NVMe devices  but /dev/nvme-fabrics isn't a disk device. This is unrelated to the problem you are facing.

What is the device path of the 20 TB disk ? Is it a SCSI device ? If its a SCSI device what is the output of

lsscsi -g

If the disk has any partitions, mounted file systems etc it will be ignored.

You could also send us the diagnostics logs (HTML UI -> System Page -> Run Diagnostics -> Submit) to vtlsu...@quadstor.com Most the information we need is in that file

Virtual Tape Library (VTL) https://www.quadstor.com/virtual-tape-library.html
VTL software download https://www.quadstor.com/vtl-extended-edition-downloads.html

VTL documentation https://www.quadstor.com/vtl-documentation.html 

 

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[QUADStor VTL Support]

Hi,

Maybe those warnings related to /dev/nvme-fabrics caused some confusion.  In the diagnostic logs show that the 20TB disk /dev/sdb has been detected.

Do you not see the disk in the "Physical Storage" GUI page ?

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[Carlos Alexandre]

Hi,

Yes! the disk appears but I worry about these size errors since I tried to include catuchos in the LTO4 type vtl and it was possible to include only 20 
and then there was a lack of space messages.

Regards.

Em quinta-feira, 14 de maio de 2020 16:15:37 UTC-3, quadstor escreveu:

Hi,

Maybe those warnings related to /dev/nvme-fabrics caused some confusion.  In the diagnostic logs show that the 20TB disk /dev/sdb has been detected.

Do you not see the disk in the "Physical Storage" GUI page ?

To view this discussion on the web visit https://groups.google.com/d/msgid/quadstor-vtl/ba28f7d5-041f-4a8a-84cc-c14425c7bd51%40googlegroups.com.

[QUADStor VTL Support]

Hi,

The warnings you mention are trivial and can be ignored.

 

The reason you could only create 20 cartridges is because the VTL was configured with 20 slots.  You can change the slot count by

/quadstorvtl/bin/vtconfig -m -v <vtl name> -s <slot count>

Then restart

For example the following will change the VTL configuration to 100 slots

/quadstorvtl/bin/vtconfig -m -v TS3500_VTL01 -s 100

restart

There is one message which we are looking into 

2020-05-14T14:43:14.944256-03:00 vtl kernel: [ 2557.136458] kmem_cache_destroy vt_mtx_cache: Slab cache still has objects

This indicates one of the slab caches is not freed fully. For now please restart the server instead of a 'service quadstorvtl restart"

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[Carlos Alexandre]

Hi,

Very thanks for your information.

Regards.