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тАО03-30-2011 06:08 PM
тАО03-30-2011 06:08 PM
Replace external tape drive.
We need to Replace external tape drive HP DAT 72 on rx2600 server. it is a cluster node.Can be replace the tape drive online without shuting down the server? Is there a chance to hang the server when we replace online?
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тАО03-30-2011 07:33 PM
тАО03-30-2011 07:33 PM
Re: Replace external tape drive.
Not a very detailed description of where it's
connected. Or what else is connected where.
What else is on the same SCSI bus?
On my rx2600, I believe that the built-in
external SCSI port shares a bus with the "2"
disk in the front. So, if that disk is busy,
then you may not want to play with that bus.
If the tape drive is connected to some add-in
PCI SCSI card, and it's the only device on
that bus, then can probably do what you want.
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тАО03-30-2011 09:18 PM
тАО03-30-2011 09:18 PM
Re: Replace external tape drive.
ext_bus 3 0/1/1/1 mpt CLAIMED INTERFACE SCSI Ultra320
/dev/mpt3
target 10 0/1/1/1.3 tgt CLAIMED DEVICE
tape 0 0/1/1/1.3.0 stape CLAIMED DEVICE HP C7438A
/dev/rmt/0m /dev/rmt/c3t3d0BESTb /dev/rmt/c3t3d0BESTnb /dev/rmt/c3t3d0DDSb /dev/rmt/c3t3d0DDSnb
/dev/rmt/c3t3d0BEST /dev/rmt/c3t3d0BESTn /dev/rmt/c3t3d0DDS /dev/rmt/c3t3d0DDSn
target 17 0/1/1/1.7 tgt CLAIMED DEVICE
ctl 4 0/1/1/1.7.0 sctl CLAIMED DEVICE Initiator
/dev/rscsi/c3t7d0
No other disks are connected on this path
below given is the path for other internel disks.
target 3 0/1/1/0.0 tgt CLAIMED DEVICE
disk 1 0/1/1/0.0.0 sdisk CLAIMED DEVICE HP 36.4GMAU3036NC
/dev/dsk/c2t0d0 /dev/dsk/c2t0d0s2 /dev/rdsk/c2t0d0 /dev/rdsk/c2t0d0s2
/dev/dsk/c2t0d0s1 /dev/dsk/c2t0d0s3 /dev/rdsk/c2t0d0s1 /dev/rdsk/c2t0d0s3
target 4 0/1/1/0.1 tgt CLAIMED DEVICE
disk 2 0/1/1/0.1.0 sdisk CLAIMED DEVICE HP 36.4GMAU3036NC
/dev/dsk/c2t1d0 /dev/dsk/c2t1d0s2 /dev/rdsk/c2t1d0 /dev/rdsk/c2t1d0s2
/dev/dsk/c2t1d0s1 /dev/dsk/c2t1d0s3 /dev/rdsk/c2t1d0s1 /dev/rdsk/c2t1d0s3
target 9 0/1/1/0.7 tgt CLAIMED DEVICE
ctl 2 0/1/1/0.7.0 sctl CLAIMED DEVICE Initiator
I am attaching the ioscan -fn output.
Please advise whether i can replace tape drive online.
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тАО03-30-2011 09:19 PM
тАО03-30-2011 09:19 PM
Re: Replace external tape drive.
Everything else you do on your own risk.
Hope this helps!
Regards
Torsten.
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тАО03-30-2011 09:41 PM
тАО03-30-2011 09:41 PM
Re: Replace external tape drive.
if the said server rx2600 cluster node is running on cluster pkg.
1.cmhaltpkg -v
2.cmhaltcl
3. shutdown -h -> shutdown server.
Than proceed with replacement of external tape drive
else if its passive
1.cmhaltnode
2.shutdown -h shutdown server
Than proceed with replace of external
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тАО03-30-2011 11:17 PM
тАО03-30-2011 11:17 PM
Re: Replace external tape drive.
Is this tape drive installed in server or tape array?
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тАО03-30-2011 11:27 PM
тАО03-30-2011 11:27 PM
Re: Replace external tape drive.
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тАО03-30-2011 11:39 PM
тАО03-30-2011 11:39 PM
Re: Replace external tape drive.
power off the tape, remove the power cable, remove the scsi cable and install new drive and connect scsi cable, power cable and power on the tape drive.
Do ioscan -fnC tape
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тАО03-31-2011 01:25 AM
тАО03-31-2011 01:25 AM
Re: Replace external tape drive.
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тАО03-31-2011 01:31 AM
тАО03-31-2011 01:31 AM
Re: Replace external tape drive.
Only link is via external scsi cable.
You can perform as described.