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07-08-2013 02:34 PM - last edited on 07-08-2013 09:17 PM by Maiko-I
07-08-2013 02:34 PM - last edited on 07-08-2013 09:17 PM by Maiko-I
how to verify disk identity in jbod
I used to use dd command to test a disk using the legacy addresses (cxtydz). I have jbods with disks configured with the agile naming (under hp-ux 11.31) . How do I physically identify a disk using the newer agile naming? Also is there a way to correlate the legacy to agile devices? I have done an ioscan (with -fnC and -fnNC) - and the disk numbers and addresses are different. Thanks
P.S. This thread has been moved from Storage > General to HP-UX > sysadmin. - HP Forum Moderator
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07-08-2013 09:59 PM
07-08-2013 09:59 PM
Re: how to verify disk identity in jbod
What JBOD model do you have?
Let's start with
# model
# ioscan -fn
# ioscan -fnN
# ioscan -m dsf
Hope this helps!
Regards
Torsten.
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07-09-2013 10:44 AM
07-09-2013 10:44 AM
Re: how to verify disk identity in jbod
Model is DS2405. Here is the output from those ioscans - I think you already answered part of my question with the
-m option of ioscan - this appears to compare the two. Is there a way then to physically identify disk 85? Thanks
ioscan (fnC): (part of it...)
Class I H/W Path Driver S/W State H/W Type Description
=====================================================================
disk 67 0/3/1/0.8.0.255.0.0.0 sdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/dsk/c6t0d0 /dev/rdsk/c6t0d0
disk 68 0/3/1/0.8.0.255.0.1.0 sdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/dsk/c6t1d0 /dev/rdsk/c6t1d0
disk 74 0/3/1/0.8.0.255.0.2.0 sdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/dsk/c6t2d0 /dev/rdsk/c6t2d0
disk 73 0/3/1/0.8.0.255.0.3.0 sdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/dsk/c6t3d0 /dev/rdsk/c6t3d0
disk 70 0/3/1/0.8.0.255.0.4.0 sdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/dsk/c6t4d0 /dev/rdsk/c6t4d0
disk 69 0/3/1/0.8.0.255.0.5.0 sdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/dsk/c6t5d0 /dev/rdsk/c6t5d0
disk 72 0/3/1/0.8.0.255.0.6.0 sdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/dsk/c6t6d0 /dev/rdsk/c6t6d0
disk 71 0/3/1/0.8.0.255.0.7.0 sdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/dsk/c6t7d0 /dev/rdsk/c6t7d0
disk 75 0/3/1/0.8.0.255.0.8.0 sdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/dsk/c6t8d0 /dev/rdsk/c6t8d0
disk 76 0/3/1/0.8.0.255.0.9.0 sdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/dsk/c6t9d0 /dev/rdsk/c6t9d0
disk 77 0/3/1/0.8.0.255.0.10.0 sdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/dsk/c6t10d0 /dev/rdsk/c6t10d0
disk 78 0/3/1/0.8.0.255.0.11.0 sdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/dsk/c6t11d0 /dev/rdsk/c6t11d0
disk 79 0/3/1/0.8.0.255.0.12.0 sdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/dsk/c6t12d0 /dev/rdsk/c6t12d0
disk 12 0/3/1/1.8.0.255.1.0.0 sdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/dsk/c4t0d0 /dev/rdsk/c4t0d0
disk 6 0/3/1/1.8.0.255.1.1.0 sdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/dsk/c4t1d0 /dev/rdsk/c4t1d0
disk 16 0/3/1/1.8.0.255.1.2.0 sdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/dsk/c4t2d0 /dev/rdsk/c4t2d0
disk 18 0/3/1/1.8.0.255.1.3.0 sdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/dsk/c4t3d0 /dev/rdsk/c4t3d0
disk 19 0/3/1/1.8.0.255.1.4.0 sdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/dsk/c4t4d0 /dev/rdsk/c4t4d0
disk 11 0/3/1/1.8.0.255.1.5.0 sdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/dsk/c4t5d0 /dev/rdsk/c4t5d0
disk 20 0/3/1/1.8.0.255.1.6.0 sdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/dsk/c4t6d0 /dev/rdsk/c4t6d0
disk 13 0/3/1/1.8.0.255.1.7.0 sdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/dsk/c4t7d0 /dev/rdsk/c4t7d0
disk 14 0/3/1/1.8.0.255.1.8.0 sdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/dsk/c4t8d0 /dev/rdsk/c4t8d0
disk 17 0/3/1/1.8.0.255.1.9.0 sdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/dsk/c4t9d0 /dev/rdsk/c4t9d0
disk 7 0/3/1/1.8.0.255.1.10.0 sdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/dsk/c4t10d0 /dev/rdsk/c4t10d0
disk 8 0/3/1/1.8.0.255.1.11.0 sdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/dsk/c4t11d0 /dev/rdsk/c4t11d0
disk 15 0/3/1/1.8.0.255.1.12.0 sdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/dsk/c4t12d0 /dev/rdsk/c4t12d0
disk 9 0/3/1/1.8.0.255.1.13.0 sdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/dsk/c4t13d0 /dev/rdsk/c4t13d0
disk 10 0/3/1/1.8.0.255.1.14.0 sdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/dsk/c4t14d0 /dev/rdsk/c4t14d0
ioscan (fnNC): (part of it)
Class I H/W Path Driver S/W State H/W Type Description
===================================================================
disk 54 64000/0xfa00/0x18 esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk54 /dev/rdisk/disk54
disk 55 64000/0xfa00/0x19 esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk55 /dev/rdisk/disk55
disk 56 64000/0xfa00/0x1a esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk56 /dev/rdisk/disk56
disk 57 64000/0xfa00/0x1b esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk57 /dev/rdisk/disk57
disk 58 64000/0xfa00/0x1c esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk58 /dev/rdisk/disk58
disk 59 64000/0xfa00/0x1d esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk59 /dev/rdisk/disk59
disk 61 64000/0xfa00/0x1f esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk61 /dev/rdisk/disk61
disk 62 64000/0xfa00/0x20 esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk62 /dev/rdisk/disk62
disk 63 64000/0xfa00/0x21 esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk63 /dev/rdisk/disk63
disk 65 64000/0xfa00/0x22 esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk65 /dev/rdisk/disk65
disk 66 64000/0xfa00/0x23 esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk66 /dev/rdisk/disk66
disk 80 64000/0xfa00/0x25 esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk80 /dev/rdisk/disk80
disk 81 64000/0xfa00/0x26 esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk81 /dev/rdisk/disk81
disk 82 64000/0xfa00/0x27 esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk82 /dev/rdisk/disk82
disk 83 64000/0xfa00/0x28 esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk83 /dev/rdisk/disk83
disk 84 64000/0xfa00/0x29 esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk84 /dev/rdisk/disk84
disk 85 64000/0xfa00/0x2a esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk85 /dev/rdisk/disk85
disk 86 64000/0xfa00/0x2b esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk86 /dev/rdisk/disk86
disk 87 64000/0xfa00/0x2c esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk87 /dev/rdisk/disk87
disk 88 64000/0xfa00/0x2d esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk88 /dev/rdisk/disk88
disk 89 64000/0xfa00/0x2e esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk89 /dev/rdisk/disk89
disk 90 64000/0xfa00/0x2f esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk90 /dev/rdisk/disk90
disk 91 64000/0xfa00/0x30 esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk91 /dev/rdisk/disk91
disk 92 64000/0xfa00/0x31 esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk92 /dev/rdisk/disk92
disk 108 64000/0xfa00/0x33 esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk108 /dev/rdisk/disk108
disk 109 64000/0xfa00/0x34 esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk109 /dev/rdisk/disk109
disk 110 64000/0xfa00/0x35 esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk110 /dev/rdisk/disk110
disk 111 64000/0xfa00/0x36 esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk111 /dev/rdisk/disk111
disk 112 64000/0xfa00/0x37 esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk112 /dev/rdisk/disk112
disk 113 64000/0xfa00/0x38 esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk113 /dev/rdisk/disk113
disk 114 64000/0xfa00/0x39 esdisk CLAIMED DEVICE HP 36.4GST336753FC
/dev/disk/disk114 /dev/rdisk/disk114
disk 115 64000/0xfa00/0x3a esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk115 /dev/rdisk/disk115
disk 116 64000/0xfa00/0x3b esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk116 /dev/rdisk/disk116
disk 117 64000/0xfa00/0x3c esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk117 /dev/rdisk/disk117
disk 118 64000/0xfa00/0x3d esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk118 /dev/rdisk/disk118
disk 119 64000/0xfa00/0x3e esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk119 /dev/rdisk/disk119
disk 120 64000/0xfa00/0x3f esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk120 /dev/rdisk/disk120
disk 121 64000/0xfa00/0x40 esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk121 /dev/rdisk/disk121
disk 122 64000/0xfa00/0x41 esdisk CLAIMED DEVICE HP 36.4GST336752FC
/dev/disk/disk122 /dev/rdisk/disk122
ioscan (-m dsf):
Persistent DSF Legacy DSF(s)
========================================
/dev/pt/pt1 /dev/rscsi/c4t15d0
/dev/pt/pt3 /dev/rscsi/c5t15d0
/dev/rdisk/disk3 /dev/rdsk/c2t0d0
/dev/rdisk/disk4 /dev/rdsk/c2t1d0
/dev/pt/pt5 /dev/rscsi/c6t15d0
/dev/pt/pt7 /dev/rscsi/c7t15d0
/dev/rdisk/disk21 /dev/rdsk/c4t1d0
/dev/rdisk/disk22 /dev/rdsk/c4t10d0
/dev/rdisk/disk23 /dev/rdsk/c4t11d0
/dev/rdisk/disk24 /dev/rdsk/c4t13d0
/dev/rdisk/disk25 /dev/rdsk/c4t14d0
/dev/rdisk/disk26 /dev/rdsk/c4t5d0
/dev/rdisk/disk27 /dev/rdsk/c4t0d0
/dev/rdisk/disk28 /dev/rdsk/c4t7d0
/dev/rdisk/disk29 /dev/rdsk/c4t8d0
/dev/rdisk/disk30 /dev/rdsk/c4t12d0
/dev/rdisk/disk31 /dev/rdsk/c4t2d0
/dev/rdisk/disk32 /dev/rdsk/c4t9d0
/dev/rdisk/disk33 /dev/rdsk/c4t3d0
/dev/rdisk/disk34 /dev/rdsk/c4t4d0
/dev/rdisk/disk35 /dev/rdsk/c4t6d0
/dev/rdisk/disk50 /dev/rdsk/c5t6d0
/dev/rdisk/disk51 /dev/rdsk/c5t7d0
/dev/rdisk/disk52 /dev/rdsk/c5t12d0
/dev/rdisk/disk53 /dev/rdsk/c5t13d0
/dev/rdisk/disk54 /dev/rdsk/c5t5d0
/dev/rdisk/disk55 /dev/rdsk/c5t8d0
/dev/rdisk/disk56 /dev/rdsk/c5t11d0
/dev/rdisk/disk57 /dev/rdsk/c5t14d0
/dev/rdisk/disk58 /dev/rdsk/c5t1d0
/dev/rdisk/disk59 /dev/rdsk/c5t4d0
/dev/rdisk/disk61 /dev/rdsk/c5t9d0
/dev/rdisk/disk62 /dev/rdsk/c5t10d0
/dev/rdisk/disk63 /dev/rdsk/c5t2d0
/dev/rdisk/disk65 /dev/rdsk/c5t0d0
/dev/rdisk/disk66 /dev/rdsk/c5t3d0
/dev/rdisk/disk80 /dev/rdsk/c6t0d0
/dev/rdisk/disk81 /dev/rdsk/c6t1d0
/dev/rdisk/disk82 /dev/rdsk/c6t5d0
/dev/rdisk/disk83 /dev/rdsk/c6t4d0
/dev/rdisk/disk84 /dev/rdsk/c6t7d0
/dev/rdisk/disk85 /dev/rdsk/c6t6d0
/dev/rdisk/disk86 /dev/rdsk/c6t3d0
/dev/rdisk/disk87 /dev/rdsk/c6t2d0
/dev/rdisk/disk88 /dev/rdsk/c6t8d0
/dev/rdisk/disk89 /dev/rdsk/c6t9d0
/dev/rdisk/disk90 /dev/rdsk/c6t10d0
/dev/rdisk/disk91 /dev/rdsk/c6t11d0
/dev/rdisk/disk92 /dev/rdsk/c6t12d0
/dev/rdisk/disk108 /dev/rdsk/c7t0d0
/dev/rdisk/disk109 /dev/rdsk/c7t1d0
/dev/rdisk/disk110 /dev/rdsk/c7t2d0
/dev/rdisk/disk111 /dev/rdsk/c7t4d0
/dev/rdisk/disk112 /dev/rdsk/c7t8d0
/dev/rdisk/disk113 /dev/rdsk/c7t11d0
/dev/rdisk/disk114 /dev/rdsk/c7t12d0
/dev/rdisk/disk115 /dev/rdsk/c7t13d0
/dev/rdisk/disk116 /dev/rdsk/c7t10d0
/dev/rdisk/disk117 /dev/rdsk/c7t9d0
/dev/rdisk/disk118 /dev/rdsk/c7t7d0
/dev/rdisk/disk119 /dev/rdsk/c7t14d0
/dev/rdisk/disk120 /dev/rdsk/c7t6d0
/dev/rdisk/disk121 /dev/rdsk/c7t5d0
/dev/rdisk/disk122 /dev/rdsk/c7t3d0
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07-09-2013 11:26 AM
07-09-2013 11:26 AM
Re: how to verify disk identity in jbod
> Is there a way then to physically identify disk 85?
With the ds2405 its a bit tricky. I have attached a ref document I had put together some time ago. Not sure of the source material anymore and its a bit dated (pre 11iv3), but should still help.
Look at the legacy H/W path first.
For disk85 this is: 0/3/1/0.8.0.255.0.6.0
The two digits after the .255 represent the bus ID and the target ID respectively. The physical location mapping is dependent on the enclosure ID setting of the ds2405. I *think* this directly represents the bus ID in the H/W path (shown 0 here). You can check physically or with STM. That would make ID 6 located in disk slot 7 according to the chart in the document.
-Bob
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07-09-2013 11:48 AM - edited 07-11-2013 03:13 AM
07-09-2013 11:48 AM - edited 07-11-2013 03:13 AM
Re: how to verify disk identity in jbod
Looks like more than 1 DS2405.
How many "A6255A" do you see in ioscan?
[cstm related stuff deleted, not available in 11.31}
>> For disk85 this is: 0/3/1/0.8.0.255.0.6.0
Agreed.
To verify, make the disk next to the disk in question "glow".
# dd if=/dev/rdsk/c6t5d0 of=/dev/null bs=1024k
you will see the green LED on the left disk next to slot 7 blinking on (I don't do this with disk in slot 7, because it may not work with a defective disk).
After replacing the disk run "ioscan" - you will see the disk still as "NO_HW". Take a look into syslog, you will find a message to use "scsimgr replace_wwid" now.
Important: before replacing the disk use
# pvchange -a N /dev/disk/disk85
otherwise you cannot do a "vgcfgrestore".
Hope this helps!
Regards
Torsten.
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07-09-2013 11:50 AM - edited 07-09-2013 10:35 PM
07-09-2013 11:50 AM - edited 07-09-2013 10:35 PM
Re: how to verify disk identity in jbod
[deleted]
Hope this helps!
Regards
Torsten.
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07-09-2013 10:25 PM
07-09-2013 10:25 PM
Re: how to verify disk identity in JBOD
>I think "A6255A" is the number
If you're now sure, you should edit your post and delete the other.