The lun needs to be 500gb, and should be presented to host foo. I have lun id, how to find disk relate to that lun id. Lun id is the logical unit number, and refers to a storage device. This is a time consuming process, especially if you need to perform it for a large number of virtual machines. In computer storage, a logical unit number, or lun, is a number used to identify a logical unit, which is a device addressed by the scsi protocol or storage area network protocols which encapsulate scsi, such as fibre channel or iscsi. Hi all, i have to find out the lun id from a hpux box. So translating this into the vcenter settings for this vm. In this case the lun id is 2 if the server doesnt use multipath, you can get the info by. Determine vendor specific internal storage lun identifier.
A logical unit is a device addressed by protocols and related to fiber channel, small computer system interface scsi, internet scsi iscsi and other comparable interfaces. If you install a new hba and dont see a lunz off it, thats usually an indication. Many web browsers, such as internet explorer 9, include a download manager. Highlighted output is showing that scsi channel id is 8 and lun id is 1, like wise we can identify the associated disk name devsde and its lun id. During a windows server 2012 r2 hyperv implementation i needed to identify all the iscsi disks luns presented by an emc vnx san to the hyperv failover cluster. Generally, a download manager enables downloading of large files or multiples files in one session. Identifying additional storage drives on a windows virtual server. For example, emc inq shows me that the storage lun id is 3929 for the following multipath device. Nov 27, 2011 the lun id is then displayed for each path to the lun in the lun column, the lun id is also the last part of the runtime name displayed in the first column, e. The microsoft iscsi software initiator enables connection of a windows host to an external iscsi storage array using ethernet nics. Mount point volume name uuid mounted type size free. Just to remind we are discussing the lun ids and not the wwns. Receive a certified and tamperproof report that achieves complete data sanitization to adhere to the most stringent data erasure algorithm standards, including nist 800 88 purge, the u. How can i get wwn and lun id from server microsoft community.
With clustered data ontap, the node name is prepended to the lun name so that the pathbased name is unique within the cluster. Interpreting lun id and target id in aix using lsattr. The world wide node name of a target device, in the format nnnnnnnnnnnnnnnn or nnnnnnnnnnnnnnnn. I am seeing a repeated warning in my event viewer with event id 158, that. Just to remind we are discussing the lun id s and not the wwns. It should be a complete resource id containing all information of resource id arguments. Im trying a combination of fcinfo and psexec to get the lun id lun number used by servers, but i cant get this information directly from fcinfo. The logical device id that is displayed is the lun id.
Now compare hostx info with target with previous command procscsiscsi to obtain details which disk is mapped to which lun id. To view the lun id of a disk, you can use the diskpart command. However, data ontap can tolerate such a configuration. Windows host using multipath management software over fc. From the wikipedia article tmc linked in his comment. However, i was able to take a look in procscsiscsi and come up with an apparent mapping based on channelidlun combinations. Storage resource can be either consistency group or lun emc unity host.
Dear team, just want to know if we format basic disk local or san lun then what evend ids r generated on windows 2008 server. Once you see the new lun, make sure that multiple fc paths are enabled to that. Use microsoft word templates and adobe templates to design and print the easy way. Sep 26, 2012 the vm was on host 1, so the rdm had a lun id of 50. Open an incident with suse technical support, manage your subscriptions, download patches.
How to get lun id which is in hex form to decimal value. Go to the last tab details and scroll down in the list until property is device instance path. So, interestingly, the disk id that we change with the jumpers on a real scsi disk or the switches on a jamaica box changes the target number, not the lun number. Powermt version is emc powermt for powerpath c version 3. Identifying lun id on redhat enterprise linux out here. Disk 1 has the same disk identifiers as one or more disks connected to the system. Stack overflow for teams is a private, secure spot for you and your coworkers to find and share information. The vm was on host 1, so the rdm had a lun id of 50. Nov 16, 2016 highlighted output is showing that scsi channel id is 8 and lun id is 1, like wise we can identify the associated disk name devsde and its lun id. A lun id of 255 decimal is represented as 0xff0000000000 hex in aix. Then i looked in the rdm meta data file but there was nothing directly in there which references the lun id of the rdm.
The lun id as seen by windows disk manager is not used. Scsi addressing linux has a four level hierarchical addressing scheme for scsi devices. Identifiers for scsi devices windows drivers microsoft. Logical units and target ports on ibm flashsystem systems. The storage family of commands manages disks, scsi and fibre channel fc. If this is the first time youve requested a lun from your storage group, then write them with something similar to. The ibm flashsystem system identifies exported logical units through scsi. The numbers marked at the end represent host, channel, target and lun respectively. If still you are not able to see the new fcsan luns,then reboot the server and try. Can i find lun id from this information or i need to use any third party tools. Identifying lun id on redhat enterprise linux out here in. Identify lun ids in windows server 2012 r2 ivobeerens. How to identify lun address lun id, 8byte value after reading through your question i am not sure if i understand exactly what you are asking.
Securely erase sensitive data from logical unit numbers luns. Learn more get lun numbers and corresponding names windows. How to identify the emc lun id in solaris hpux linux. How to identify lun address lun id, 8byte value dell. All of our devices used only the highorder four digits of the 16 hexadecimal digit lun address. Blancco lun eraser is the most secure data erasure software on the market to guarantee your logical unit numbers are properly sanitized. The first lun that you assign to a host is automatically assigned host lun id 0.
The number shown in the control panel corresponds to the logical unit number lun of the disk in your server. Hlu can be modified for each lun host mapping using the modify host lun id task input format. Identifying disks when working with vmware esxiesx 1014953. Downloads new firmware to disk shelves attached to adapter name adapter if. If you need to identify which disk in your server relates to one of your storage drives, you need to connect to your server, open the disk management utility, and find the disk with the corresponding lun id. If you choose to format the lun as ntfs, you must select the perform a quick format check box. This download can be installed on windows server 2003, windows xp, and windows 2000. We just add two zeros before the twodigit lun id in the ds8000, and then. For vista and windows server 2008, the iscsi initiator is included inbox. A logical unit number lun is a number used for identifying a logical unit relating to computer storage. The following commannd lists your lun id and lun wwn on a host. Cisco ucs director task library reference, release 6. The hex representation is in a machine specific format so the trailing zeroes does not count. One drive is missing in my computer then i have open disk management and found one lun as unallocated no drive letter assigned, seems to be some has formatted i want to track down who has done that.
Directly attaching a host to a storage system is supported if the host connects to both sps and has the required multipath software. With the above information i now know the lun presented with id 19 shows up in aix as. Lunz does make it easier to see if the hba is able to log into the san although you could still see such by way of flogi errors in varlogmessages. This is the output, please scroll to the far right. Open the storage group for the host you should see thre tree items lists open the host tree item and you should see the host listed right click on the host and select connectivity status the paths should be listed as logged in and registered make sure all paths are listed correctly. Rightclick the lun, and select the required disk or partition type. The general process is to add or resize the lun on the san, rescan the. The number given here directly corresponds to the storage drive number given in your control panel, but may not be the same as the disk number listed in the disk management screen.
The problem is that my old vnx datastores are presented with lun ids from 0 to 8, so im worried about id conflicts. I created a lun via storagevmware tab, it choosed the lun ids he wanted, but then i. Access disk manager under computer management in server manager or in the command prompt with diskmgmt. The post mentions few ways to exactly identifymatch the lun presented from san with underlying os disk. In computer storage, a logical unit number, or lun, is a number used to identify a logical unit. The fcp lun id in linux is written in hexadecimal and must be exactly 16 hexadecimal digits. Ive also try using wmi until i learned that i should know the wmi namespace of the lun controller installed on each server. In computer storage, a logical unit number, or lun, is a number used to identify a logical unit, which is a device addressed by the scsi protocol or storage area network protocols which encapsulate scsi, such as fibre channel or iscsi a lun may be used with any device which supports readwrite operations, such as a tape drive, but is most often used to refer to a logical disk as created on a. Aug 03, 2014 the logical device id that is displayed is the lun id.
There is one lun which is required to exist in every target. A lun may be used with any device which supports readwrite operations, such as a tape drive, but is most. View disk properties and lun information in windows pure1. Right click on the drive you would like to check, and select properties from the popup menu step 6. But when you are creating a boot from san volume you want to set it as lun 0 as best practice and you would specify that as the boot lun in the hba bios. For a given lun, its drive letter, disk number, and lun number are independent.
Rightclick on the sidebar of the disk you wich to view and select properties. All my san storage is ibm ds4300t systems, directors are cisco, hbas are qlogic. Dec 30, 2016 during a windows server 2012 r2 hyperv implementation i needed to identify all the iscsi disks luns presented by an emc vnx san to the hyperv failover cluster. Collect lun id and path details go to san console and match with lun id. We recommend that you create a unique target, create a lun on this interface, and give it access to the hpux host. Add, resize and remove lun without restarting sles or. If i run the ibm san utility on one of the sanattached servers, i can get the following information. Hlu can be modified for each lunhost mapping using the modify host lun id task input format. Identifying additional storage drives on a windows virtual.
Get lun id of raw disk mappings with powercli pelicano. Vhd files allocated as thin volumes known as dynamic hard disks expand by increasing the size of the file and consuming more space on disk. I can simply find out hardware path and device file details. Tech support scams are an industrywide issue where scammers trick you into paying for unnecessary technical support services. I was wondering if there is anyway to select disk with its lun id. The numbers marked at the end represent host, channel, target and lun. The logical unit with lun zero is special in that it must implement a few specific commands, most notably report luns, which is how an initiator can. So in my screenshot from disk manager as shown above disk9 has the information location 193, bus 0, target 3, lun 0. The problem in this scenario is that ldev a and ldev b have the same lun id, ldev c and ldev d have the same lun id, and all the initiators are accessing the same target port pair.
How can i find the lun ids dear all, i want to get the lun id for some disks in solaris 10 what commands options for the mpxio and inq i want these utilities only because i dont have solution enabler or. Two lun groups on the same target port pair is not supported. Get it done right with avery design and print and a variety of other templates and software at avery. How to identify the emc lun id in solaris hpux linux aix windows clariion arrays may 31, 2012 admin leave a comment download inquiry utility from the following url. Scsi adapter number host channel number bus id number target lun lun lun is the common scsi abbreviation of logical unit number. Array lun name format component descriptions directattached nodename. We use the showvolgrp command to get every lun id in the ds8000 for each volume. Dec 08, 2008 the microsoft iscsi software initiator enables connection of a windows host to an external iscsi storage array using ethernet nics. Reports the lun id, port, path and all relevant information for the administrators and endcustomers conducts erasure in multiple ways automatic, semiautomatic and manual process runs from winpe and can erase based on policies alerts via phone sms or email upon completion of erasure process. You can help protect yourself from scammers by verifying that the contact is a microsoft agent or microsoft employee and that the phone number is an official microsoft global customer service number. If you want to make sure if the lun id corresponds to the ones shown in explorer. What native linux os commands do i use to get the same storage lun id internal emc identifier that emc inq provides. From computer management, navigate to storagedisk management, identify your disk and get its properties. I could see this information within the vsphere client by editing the setting of the virtual machine, selecting each of the raw disk mapping hard disks one at a time and clicking on the manage paths button in the bottom right hand corner.
Aug 19, 20 dear team, just want to know if we format basic disk local or san lun then what evend ids r generated on windows 2008 server. I know that its possible to see lun ids, as reported to linux, in multipath output. Notice the lun ids are presented here in hex format. Download microsoft iscsi software initiator version 2. If lvm logical volume manager is used, you can rightclick on the disk drive and go to properties.
A logical unit number lun is a unique identifier for designating an individual or collection of physical or virtual storage devices that execute inputoutput io commands with a host computer, as defined by the small system computer interface scsi standard. View disk properties and lun information in windows. However, that does me no good, as theres nothing in the san interface that correlates back to those lun ids. Lun 0 is required for all targets, and so the disk always reports as lun0, whatever its target is. Setting up a windows or mac os host to use lun storage over. The device id format for a small computer system interface scsi device is as follows. For example, the model 9840ae1 ieee company id is 005076 ibm. Get lun numbers and corresponding names stack overflow. Download media format feature pack for windows 7 n with.
Querying the mapping between host disks and luns huawei. Although the uuid does look suspiciously like part of an naa id another scsi identifier mechanism, there is definitely no lun id reference. The lun is not the only way to identify a logical unit. How can i find the lun ids the unix and linux forums. Setting up a windows or mac os host to use lun storage. Blancco lun eraser is the most advanced data erasing software for storage environments. Once you start seeing a lun with a nonzero lun id youll know thats your target lun. Here are the steps to read the device id and how to decode it. Click download to download documents of other c versions. How can i find the lun id s dear all, i want to get the lun id for some disks in solaris 10 what commands options for the mpxio and inq i want these utilities only because i dont have solution enabler or powerpath br. Use a quick format operation windows server 2003 or windows server 2008 or the new simple volume wizard windows 7 to create a volume on the disk with the following properties. An administrator may format the disk array as a raid and then partition this raid into several separate. Each lun must present the same lun id to all hosts. They are both connected to the sata bus on the motherboard in the following configuration.