Sorry Nicholas, its not that easy :( On FalconStor there is sg_inq command, but its special kernel and it doesnt Point scsi device like /dev/sdX or something like that. So its there is no device to run this command against. S pozdravom / Best regards Tomas Molota Chief Technology Officer Parickova 18, 821 08 Bratislava, Slovakia e-mail: tomas.molota@xxxxxxxxxxxxx web: www.lightstorm.sk phone: +421 2 32 400 011 cell phone: +421 903 788 100 -----Original Message----- From: Nicholas A. Bellinger [mailto:nab@xxxxxxxxxxxxxxx] Sent: Friday, July 26, 2013 7:43 PM To: Tomas Molota Cc: 'Roland Dreier'; 'target-devel' Subject: Re: FCoE Target naming - help On Fri, 2013-07-26 at 08:10 +0200, Tomas Molota wrote: > Unfortunately Nicholas still the same :( > Vendor ID LIO-ORG_ > Product ID IBLOCK__________ > Firmware Revision 4.0_ > Hardware ID LIO-ORG_IBLOCK__________-93b75951-cb09-49fb-8b6c-b3c52d7f-600140593b75951cb0949fb8b6cb3c52-00 > Inquiry String 000005021fb00002LIO-ORG_IBLOCK__________4.0_ > > This is full info i see about the LUN. But _ still reamins after this patch too. > Hi Tomas, Can you please confirm the payload output with 'sg_inq -H'..? Thanks, --nab > S pozdravom / Best regards > > Tomas Molota > Chief Technology Officer > > > Parickova 18, 821 08 Bratislava, Slovakia > e-mail: tomas.molota@xxxxxxxxxxxxx > web: www.lightstorm.sk > phone: +421 2 32 400 011 > cell phone: +421 903 788 100 > > -----Original Message----- > From: Nicholas A. Bellinger [mailto:nab@xxxxxxxxxxxxxxx] > Sent: Friday, July 26, 2013 12:22 AM > To: Tomas Molota > Cc: 'Roland Dreier'; 'target-devel' > Subject: Re: FCoE Target naming - help > > Hi Tomas, > > On Thu, 2013-07-25 at 21:10 +0200, Tomas Molota wrote: > > Ok Nicholas i solved to problem with versions, i compiled with 3.9.8 and its work, but with patch is still the same: > > Hardware ID LIO-ORG_IBLOCK__________-93b75951-cb09-49fb-8b6c-b3c52d7f-600140593b75951cb0949fb8b6cb3c52-00 > > > > Apologies, my mistake. The sizeof() usage in the original patch was still overwriting the '0x20' values with zeros for the INQUIRY MODEL field. > > Please re-test with the following patch that keeps the extra ASCII space characters. > > diff --git a/drivers/target/target_core_spc.c > b/drivers/target/target_core_spc.c > index 4cb667d..9fabbf7 100644 > --- a/drivers/target/target_core_spc.c > +++ b/drivers/target/target_core_spc.c > @@ -97,9 +97,12 @@ spc_emulate_inquiry_std(struct se_cmd *cmd, > unsigned char *buf) > > buf[7] = 0x2; /* CmdQue=1 */ > > - snprintf(&buf[8], 8, "LIO-ORG"); > - snprintf(&buf[16], 16, "%s", dev->t10_wwn.model); > - snprintf(&buf[32], 4, "%s", dev->t10_wwn.revision); > + memcpy(&buf[8], "LIO-ORG ", 8); > + memset(&buf[16], 0x20, 16); > + memcpy(&buf[16], dev->t10_wwn.model, > + min_t(size_t, strlen(dev->t10_wwn.model), 16)); > + memcpy(&buf[32], dev->t10_wwn.revision, > + min_t(size_t, strlen(dev->t10_wwn.revision), 4)); > buf[4] = 31; /* Set additional length to 31 */ > > return 0; > > Also, you can verify with sg_inq to make sure the '0x20' values appear at the end of MODEL, eg: > > # sg_inq -H /dev/sdb > standard INQUIRY: > 00 00 00 05 02 1f b0 00 02 4c 49 4f 2d 4f 52 47 20 ........LIO-ORG > 10 52 41 4d 44 49 53 4b 2d 4d 43 50 20 20 20 20 20 RAMDISK-MCP > > Thanks! > > --nab > > > S pozdravom / Best regards > > > > Tomas Molota > > Chief Technology Officer > > > > > > Parickova 18, 821 08 Bratislava, Slovakia > > e-mail: tomas.molota@xxxxxxxxxxxxx > > web: www.lightstorm.sk > > phone: +421 2 32 400 011 > > cell phone: +421 903 788 100 > > > > -----Original Message----- > > From: Nicholas A. Bellinger [mailto:nab@xxxxxxxxxxxxxxx] > > Sent: Thursday, July 25, 2013 1:14 AM > > To: Roland Dreier > > Cc: Tomas Molota; target-devel > > Subject: Re: FCoE Target naming - help > > > > On Wed, 2013-07-24 at 09:36 -0700, Roland Dreier wrote: > > > On Wed, Jul 24, 2013 at 8:11 AM, Tomas Molota > > > <tomas.molota@xxxxxxxxxxxxx> wrote: > > > > Hello, iam trying to use LIO as FCoE ALUA target and i have > > > > problem with naming which LIO shows to initiators. What i see: > > > > Vendor ID : LIO-ORG_ > > > > Product ID: IBLOCK__________ > > > > And our system has problem with "_" which are not allowed as > > > > name of storage and its shows me error with this LUN as not > > > > supported device. Is it possible somehow to change this option? > > > > > > Do you mean spaces where you write "_"? What do mean by "show to > > > initiators"? If you mean the data in the INQUIRY response, then > > > that's what the SCSI spec mandates. In SPC-4, for example, the > > > vendor field is specified as: > > > > > > "The T10 VENDOR IDENTIFICATION field contains eight bytes of > > > left-aligned ASCII data (see 4.3.1) identifying the vendor of the > > > logical unit." > > > > > > where 4.3.1 says: > > > > > > "ASCII data fields described as being left-aligned shall have any > > > unused bytes at the end of the field (i.e., highest offset) and > > > the unused bytes shall be filled with ASCII space characters (20h)." > > > > > > Similarly for the product id fields. > > > > > > so according to the SCSI standards, padding those fields with > > > spaces is required. > > > > > > > Mmmm, then this is a bug in spc_emulate_inquiry_std() for VENDOR + MODEL fields. > > > > Thomas, can you please verify with the following patch..? > > > > --nab > > > > diff --git a/drivers/target/target_core_spc.c > > b/drivers/target/target_core_spc.c > > index 4cb667d..a4a29c6 100644 > > --- a/drivers/target/target_core_spc.c > > +++ b/drivers/target/target_core_spc.c > > @@ -97,9 +97,12 @@ spc_emulate_inquiry_std(struct se_cmd *cmd, > > unsigned char *buf) > > > > buf[7] = 0x2; /* CmdQue=1 */ > > > > - snprintf(&buf[8], 8, "LIO-ORG"); > > - snprintf(&buf[16], 16, "%s", dev->t10_wwn.model); > > - snprintf(&buf[32], 4, "%s", dev->t10_wwn.revision); > > + memcpy(&buf[8], "LIO-ORG ", 8); > > + memset(&buf[16], 0x20, 16); > > + memcpy(&buf[16], dev->t10_wwn.model, > > + min_t(size_t, sizeof(dev->t10_wwn.model), 16)); > > + memcpy(&buf[32], dev->t10_wwn.revision, > > + min_t(size_t, sizeof(dev->t10_wwn.revision), 4)); > > buf[4] = 31; /* Set additional length to 31 */ > > > > return 0; > > > > > > -- > > To unsubscribe from this list: send the line "unsubscribe > > target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > > > -- > To unsubscribe from this list: send the line "unsubscribe > target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe target-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
