10 More Discussions You Might Find Interesting
1. Red Hat
Hi all
we have two Rac cluster in our environment. we have asked our storage team to provide luns for adding space to our rac. Right now in one our server luns are visible but not in another. But if i see dmesg in servers i can see disk attached but not able to see them. even iostat showing... (6 Replies)
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6 Replies
2. Red Hat
Hi All,
is there a way of rescanning for newly attached SCSI without rebooting the server?
any help greatly appreciated
thanks in advance
Kb (4 Replies)
Discussion started by: kilobyter
4 Replies
3. Red Hat
Hi,
I have presented a LUN to a VM (RHEL 5.8) and need to scan the scsi bus in order for the OS to pick it up.
On FC attached hosts I can:
echo "1" > /sys/class/fc_host/host0/issue_lip
echo "- - -" > /sys/class/scsi_host/host0/scan
....but this does not work on my vm.
... (3 Replies)
Discussion started by: Duffs22
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4. Red Hat
Hi all
i am adding one more scsi hdd in my vmware testing environment with Redhat 9 .
But the following commands are not working i found that these commands working on rhel 6.
ls /sys/class/scsi_host
echo "- - -" > /sys/class/scsi_host/host0/scan
please let me know the commands for rehat... (0 Replies)
Discussion started by: Vaibhav.T
0 Replies
5. Linux
Hi,
I have presented a new 70GB LUN to my RedHat Linux VM server. How do I rescan for the new LUN?
Thanks,
Sparcman:confused: (2 Replies)
Discussion started by: sparcman
2 Replies
6. HP-UX
I am getting bus error when i include "#!/bin/ksh". If i remove interpreter then script is working. Can anyone explain this and how can i avoid this error?
Operating System is HP-UX B.11.23 U 9000/800 1091834454 (2 Replies)
Discussion started by: anbu23
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7. Solaris
hey guys i got this in my logs what does this mean: (4 Replies)
Discussion started by: sbn
4 Replies
8. SCO
My boss get a Proliant ML 330 G3 server with IDE ARRAY Bus, I try to isntall UNIX 5.0.7 on it but i't didn't detect as a hdd, I try to configure it as single logical drive and many combinations but UNIX always says taht there is no hdd, does anyone knows how to?? the boss of course won't say it... (0 Replies)
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9. Solaris
Hi Guru's
Can any want here could explain to me the different between soft reboot and hard reboot .
Best Regards
Seelan (3 Replies)
Discussion started by: seelan3
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10. UNIX for Dummies Questions & Answers
Anyone have any ideas what could be causing me to get the error "The SCSI bus is hung. Perhaps an external device is turned off"? This is occuring when I try to boot off of my external CDROM. I have tried this CDROM on 3 different systems, tried different SCSI cables, and different terminators... (2 Replies)
Discussion started by: saucierm
2 Replies
RESCAN-SCSI-BUS.SH(1) User Commands RESCAN-SCSI-BUS.SH(1)
NAME
rescan-scsi-bus.sh - script for adding and removing SCSI devices without rebooting
SYNOPSIS
rescan-scsi-bus.sh [options] [host [host ...]]
OPTIONS
-a, --alltargets
scan all targets, not just currently existing [default: disabled]
-d enable debug [default: 0]
-l activates scanning for LUNs 0--7 [default: 0]
-L NUM activates scanning for LUNs 0--NUM [default: 0]
-w, --wide
scan for target device IDs 0--15 [default: 0--7]
-c enables scanning of channels 0 1 [default: 0 / all detected ones]
-r, --remove
enables removing of devices [default: disabled]
-f, --flush
flush failed multipath devices [default: disabled]
-i, --issue-lip
issue a FibreChannel LIP reset [default: disabled]
-u, --update
look for existing disks that have been remapped
-s, --resize
look for resized disks and reload associated multipath devices, if applicable
--forcerescan
rescan existing devices
--forceremove
remove and readd every device (DANGEROUS)
--nooptscan
don't stop looking for LUNs is 0 is not found
--color
use coloured prefixes OLD/NEW/DEL
--hosts=LIST
scan only host(s) in LIST
--channels=LIST
scan only channel(s) in LIST
--ids=LIST
scan only target ID(s) in LIST
--luns=LIST
scan only lun(s) in LIST
--sync, --nosync
issue a sync / no sync [default: sync if remove]
--attachpq3
tell kernel to attach sg to LUN 0 that reports PQ=3
--reportlun2
tell kernel to try REPORT_LUN even on SCSI2 devices
--largelun
tell kernel to support LUNs > 7 even on SCSI2 devs
--sparselun
tell kernel to support sparse LUN numbering
Host numbers may thus be specified either directly on cmd line (deprecated) or or with the --hosts=LIST parameter (recommended).
LIST: A[-B][,C[-D]]... is a comma separated list of single values and ranges (No spaces allowed.)
SEE ALSO
rescan-scsi-bus.sh Homepage: http://www.garloff.de/kurt/linux/#rescan-scsi
sg3_utils Homepage: http://sg.danny.cz/sg
rescan-scsi-bus.sh 1.57 leden 2014 RESCAN-SCSI-BUS.SH(1)