FC10 VERY slow response on vgcreate, pvcreate works fine.

[Craig A. Sharp]

I have just installed an FC10 on an N4000 server.
All patches are current for the FC card and drivers. I confirmed this with HP. Also all disks are being seen on ioscan. I have also switched fibre cables and interface cards in the FC10.

Here is what is happening. On boot, I get the following errors over and over:

1/10/0/0: Unable to access previously accessed device at nport ID 0xd9.
1/10/0/0: 'World-wide name' (unique identifier) for device at nport ID 0xd9 has
changed. If the device has been replaced intentionally, please use the
fcmsutil(1M) command's replace_dsk option to allow the new device to be used.
1/10/0/0: Fibre Channel Driver detected a parse error in the FLOGI/PLOGI response
returned by nport ID 0xd9. FLOGI/PLOGI Fail Code = 0x6.

This now appears to have stopped and when I try to create new pv's it works fine (very quick). On creating new VG's and Lvol's, it is extreamly slow on 7 of 10 disks.

I have attached the sections of the syslog that relate to the the vg creations. VG07 took ~5 minutes to create. VG08 was ~45 seconds. I cannot see a difference in the syslog entries.

Some of the drives 3 of 10 are quick, the rest are slow. We were having drive contention errors before installing the latest patches but now I have no contention errors.

Thanks.

[Mark Greene_1]

Have your tried running fcmsutil to see what it reports about the fibre controller?

fcmsutil /dev/xxx stat -s

(where xxx is your fibre card)

and then run iostat and see if there's a correlation with that stats from fcmsutil.

mark

[Bernhard Mueller]

Craig,

the LCCs of the FC10 only support Arbitrated Loop and you card seems to try Point-to-Point.

Find the device files for teh FC adapter
ioscan -fnkCfc
Check
fcmsutil /dev/ stat

it should say Topology IN_LOOP or similar, *not* PT-TO-PT

Also use stm, select the LCCs and check their frimware, *should* be HP10, if not schedule upgrade (to be done by HP engineer)

Regards,
Bernhard