All LUN IDs used in igroup
Hi, How does a situation handled or solution suggested when a situation arose like that all the 255 LUN IDs are assigned and we need to assign more LUNs to my UNIX host or Windows host or ESX Farm?
Answer Question
| May 2, 2013 2:37 AM
LUN, NetApp, SAN storage
Hi, How does a situation handled or solution suggested when a situation arose like that all the 255 LUN IDs are assigned and we need to assign more LUNs to my UNIX host or Windows host or ESX Farm?
Answer Question
| May 2, 2013 2:37 AM
LUN, NetApp, SAN storage
Moving E2K10 mailboxes to another database on different LUN
I’m trying to put together a plan to move/migrate all mailboxes to a new DB on a separate RAW Exchange LUN. Here some history – each MBX server in a DAG has a 1TB volume that’s housing DBs and it’s running out of space. We are presenting new raw LUNs to each DAG node, and [...]
Answer Question
| April 24, 2013 9:58 PM
LUN, MBX server, Microsoft Exchange 2010
I’m trying to put together a plan to move/migrate all mailboxes to a new DB on a separate RAW Exchange LUN. Here some history – each MBX server in a DAG has a 1TB volume that’s housing DBs and it’s running out of space. We are presenting new raw LUNs to each DAG node, and [...]
Answer Question
| April 24, 2013 9:58 PM
LUN, MBX server, Microsoft Exchange 2010
LUN removal with duplicate hosts set and vvol sets
Question: I have 2 LUNs ( 0 and 8) that both have the same HOSTS SET and VVol sets name. Now I want to remove LUN 8 but it shows that the LUNs are ACTIVE. What I’m worried about is if I remove 1 LUN will it affect the other LUN? Kindly advise. Thank you.
Answer Question
| February 6, 2013 2:35 PM
LUN, LUN removal
Question: I have 2 LUNs ( 0 and 8) that both have the same HOSTS SET and VVol sets name. Now I want to remove LUN 8 but it shows that the LUNs are ACTIVE. What I’m worried about is if I remove 1 LUN will it affect the other LUN? Kindly advise. Thank you.
Answer Question
| February 6, 2013 2:35 PM
LUN, LUN removal
How to remove a LUNs from ESX in one cluster where the same lun is attached with other cluster too.
How to remove a LUNs from ESXi 4.1 in one cluster where the same lun is attached with other cluster too? When I removed the datastore from one cluster it give me the option to delete only and when I go ahead it get delete from all other cluters too.Please help to removal of LUNs and I [...]
Answer Question
| June 19, 2012 11:48 AM
EMC, ESX, LUN
How to remove a LUNs from ESXi 4.1 in one cluster where the same lun is attached with other cluster too? When I removed the datastore from one cluster it give me the option to delete only and when I go ahead it get delete from all other cluters too.Please help to removal of LUNs and I [...]
Answer Question
| June 19, 2012 11:48 AM
EMC, ESX, LUN
PSM LUN RAID type
What is the Raid Tpe of PSM LUN and what it contains exactly?
Answer Question
| October 12, 2011 4:22 PM
LUN, RAID, Vault Drives
What is the Raid Tpe of PSM LUN and what it contains exactly?
Answer Question
| October 12, 2011 4:22 PM
LUN, RAID, Vault Drives
Assigning a LUN to a server in a data centre 20KM away
We have two data centres about 25KM away from each other. We would like to assign a LUN to a server in data centre A to an storage array in data centre B. We are doing this because of lack of disk space in data centre A. Is this best practice ? what are the [...]
Answer Question
| March 31, 2012 1:04 PM
Data Center administration, HP EVA SAN, LUN, Storage arrays
We have two data centres about 25KM away from each other. We would like to assign a LUN to a server in data centre A to an storage array in data centre B. We are doing this because of lack of disk space in data centre A. Is this best practice ? what are the [...]
Answer Question
| March 31, 2012 1:04 PM
Data Center administration, HP EVA SAN, LUN, Storage arrays
Maximum number of LUN – Performance vs Capacity
I have seen some Storage High-End disk subsystems supporting over 60 thousands LUNs and there are some others companies offering a high-end product varying the maximum number of LUN between 2048 and 4096. Can we assume how high is the number of LUN it is better the High-End Storage product? In terms of capacity & [...]
Answer Question
| March 31, 2012 8:00 PM
LUN, LUNs, Storage, Storage performance
I have seen some Storage High-End disk subsystems supporting over 60 thousands LUNs and there are some others companies offering a high-end product varying the maximum number of LUN between 2048 and 4096. Can we assume how high is the number of LUN it is better the High-End Storage product? In terms of capacity & [...]
Answer Question
| March 31, 2012 8:00 PM
LUN, LUNs, Storage, Storage performance
Mix luns from 300 and 146gb drives when provisioning storage capacity
We need to add capacity to our EMC DMX4 which currently has 146 and 300gb 15k drives. The 146gb drives may be difficult to get so my questions is given todays technology with drive IOPS, should it be a concern if I need to expand the amount of disk to an existing host that currently [...]
Answer Question
| May 22, 2011 1:15 PM
Disk Provisioning, EMC, EMC DMX-4, EMC Symetrix DMX, IOPS, LUN, Storage products and equipment, Tiered storage
We need to add capacity to our EMC DMX4 which currently has 146 and 300gb 15k drives. The 146gb drives may be difficult to get so my questions is given todays technology with drive IOPS, should it be a concern if I need to expand the amount of disk to an existing host that currently [...]
Answer Question
| May 22, 2011 1:15 PM
Disk Provisioning, EMC, EMC DMX-4, EMC Symetrix DMX, IOPS, LUN, Storage products and equipment, Tiered storage
Presenting a data store to Multiple ESX environment
I have a vSphere 4.0 environment and I have some LUNs from an EMC presented to the hosts in the vShpere environment. I have recently set up another environment with vShpere 4.1 and I would like to know if I can present the same LUNs to the new environment (vSphere 4.1) while they are still [...]
Answer Question
| October 26, 2010 4:30 PM
ESX, ESXi, ESXi and Datastores, LUN, vSphere, vSphere 4.0
I have a vSphere 4.0 environment and I have some LUNs from an EMC presented to the hosts in the vShpere environment. I have recently set up another environment with vShpere 4.1 and I would like to know if I can present the same LUNs to the new environment (vSphere 4.1) while they are still [...]
Answer Question
| October 26, 2010 4:30 PM
ESX, ESXi, ESXi and Datastores, LUN, vSphere, vSphere 4.0
How to move LUNs to new Virtual Machine
I’m using vSphere 4.0, ESX 4.0, and have a DELL CX 300 SAN with LUNs that are attached to a DELL blade server w/hba. I need to move the LUN’s from the blade serve and attach them to a new VM. I know that I need to use RDM but not sure where to start [...]
Answer Question
| September 13, 2010 5:49 PM
Blade servers, ESX 4.0, LUN, LUN to VM, VMware ESX 4.0, vSphere 4.0
I’m using vSphere 4.0, ESX 4.0, and have a DELL CX 300 SAN with LUNs that are attached to a DELL blade server w/hba. I need to move the LUN’s from the blade serve and attach them to a new VM. I know that I need to use RDM but not sure where to start [...]
Answer Question
| September 13, 2010 5:49 PM
Blade servers, ESX 4.0, LUN, LUN to VM, VMware ESX 4.0, vSphere 4.0
SQL Server 2005: Improving performance of Multiple Databases & LUNS
I am looking at ways to improve performance of our databases. We have 4 large databases (ranging between 50gb and 200gb each) on a single SQL Server 2005 Cluster. Currently they are split 2 on one LUN and 2 on another. I am looking at ways to improve the IO performance of the databases as [...]
Answer Question
| June 22, 2010 5:25 PM
Cluster management, LUN, RAID 10, SQL Server 2005, SQL Server clustering, SQL Server performance, Storage in 2010
I am looking at ways to improve performance of our databases. We have 4 large databases (ranging between 50gb and 200gb each) on a single SQL Server 2005 Cluster. Currently they are split 2 on one LUN and 2 on another. I am looking at ways to improve the IO performance of the databases as [...]
Answer Question
| June 22, 2010 5:25 PM
Cluster management, LUN, RAID 10, SQL Server 2005, SQL Server clustering, SQL Server performance, Storage in 2010
Cluster drives moving windows server 2003 r2 32 bit
We currently have a two node Windows 2003 R2 32 bit cluster. There are about 6 data “drives” in it, running on our EMC SAN. We’re wanting to replace the cluster with newer hardware. I’ve set up a new2003 R2 x64 two node cluster, and I want to move the data drives from the existing [...]
Answer Question
| April 7, 2010 3:10 PM
Cluster, LUN, SAN, Windows Cluster, Windows Server 2003, Windows Server 2003 Clustering Services
We currently have a two node Windows 2003 R2 32 bit cluster. There are about 6 data “drives” in it, running on our EMC SAN. We’re wanting to replace the cluster with newer hardware. I’ve set up a new2003 R2 x64 two node cluster, and I want to move the data drives from the existing [...]
Answer Question
| April 7, 2010 3:10 PM
Cluster, LUN, SAN, Windows Cluster, Windows Server 2003, Windows Server 2003 Clustering Services
Luns on a IBM DS4300 need to remove
Recently installed a DS4300 disk. I have a few Ghost LUNs that I cannot delete. How can i remove these?
Answer Question
| September 22, 2009 6:11 PM
DS4300, IBM DS4300, IBM System Storage, LUN
Recently installed a DS4300 disk. I have a few Ghost LUNs that I cannot delete. How can i remove these?
Answer Question
| September 22, 2009 6:11 PM
DS4300, IBM DS4300, IBM System Storage, LUN
How to present an EMC Storage LUN to Windows 2003
We have virtualized a number of our servers (with VMWare) and updated our CA Arcserve backup software. Arcserve suggest having a backup proxy server and a backup server. I have installed VCB on the backup proxy server. This is right out of CA’s installation manual:
Answer Question
| August 27, 2009 3:37 PM
ArcServe, Backup, EMC SAN, LUN, SAN, VMware, VMware ESX, Windows Server 2003
We have virtualized a number of our servers (with VMWare) and updated our CA Arcserve backup software. Arcserve suggest having a backup proxy server and a backup server. I have installed VCB on the backup proxy server. This is right out of CA’s installation manual:
Answer Question
| August 27, 2009 3:37 PM
ArcServe, Backup, EMC SAN, LUN, SAN, VMware, VMware ESX, Windows Server 2003
How to mount HP StorageWorks MSA2000 snapshot and assign LUN?
Running VMware ESX and have a StorageWorks MSA2000 snapshot. What steps do we need to take to mount the snapshot to a VM and assign a LUN? Thank you very much. Moderator Note: This is a submitted question
Answer Question
| July 8, 2009 7:42 PM
HP StorageWorks MSA2000, LUN, SAN, Storage management, Virtual Machines, VMware, VMware ESX 4.0, VMware snapshots
Running VMware ESX and have a StorageWorks MSA2000 snapshot. What steps do we need to take to mount the snapshot to a VM and assign a LUN? Thank you very much. Moderator Note: This is a submitted question
Answer Question
| July 8, 2009 7:42 PM
HP StorageWorks MSA2000, LUN, SAN, Storage management, Virtual Machines, VMware, VMware ESX 4.0, VMware snapshots
How do I setup a storage with multiple geographical location Sync?
Iam planning to setup a storage which needs to be located in 5 geographical locations. The data which i write on the first location should get sysnc with rest 4 locations in no time. I dont want to invest more in procure higher bandwidth solutions. Is there any other way to sync the data by [...]
Answer Question
| February 5, 2009 3:36 PM
FTP, LUN, Network storage, NFS, Shared Network Storage
Iam planning to setup a storage which needs to be located in 5 geographical locations. The data which i write on the first location should get sysnc with rest 4 locations in no time. I dont want to invest more in procure higher bandwidth solutions. Is there any other way to sync the data by [...]
Answer Question
| February 5, 2009 3:36 PM
FTP, LUN, Network storage, NFS, Shared Network Storage
ESX luns allocated on Symmetrix will not format.
Recently we allocated Symmetrix space for an ESX cluster. Some of the LUNs format fine but one or two come up with an error message that says “unable to read partition information from this disk.” All of the luns were exactly the same capacity. The ESX is currently attached to a Symmetrix array as well [...]
Answer Question
| February 15, 2009 3:07 PM
Array, Clustering, EMC Symmetrix, LUN, Symmetrix, VMware ESX, VMware ESX Cluster
Recently we allocated Symmetrix space for an ESX cluster. Some of the LUNs format fine but one or two come up with an error message that says “unable to read partition information from this disk.” All of the luns were exactly the same capacity. The ESX is currently attached to a Symmetrix array as well [...]
Answer Question
| February 15, 2009 3:07 PM
Array, Clustering, EMC Symmetrix, LUN, Symmetrix, VMware ESX, VMware ESX Cluster
Diskless Install iSCSI Remote Boot with Intel Pro 1000/PT NIC Windows 2008 Installer doesnt see LUN
Hello I have a Dell 2950 ||| and it has an Intel Pro 1000/pt Dual Port Server Adapter in it. I have configured the adapter for iSCSI remote boot, and during server startup the NIC is able to connect to my iSCSI LUN (Windows Storage Server w/ iSCSI Target Installed). When I go to install [...]
Answer Question
| January 8, 2009 8:21 PM
diskless install, Intel, iSCSI, iSCSI LUN, LUN, NIC, pro 1000, remote boot, Windows Server 2008 Installer, Windows Storage Server
Hello I have a Dell 2950 ||| and it has an Intel Pro 1000/pt Dual Port Server Adapter in it. I have configured the adapter for iSCSI remote boot, and during server startup the NIC is able to connect to my iSCSI LUN (Windows Storage Server w/ iSCSI Target Installed). When I go to install [...]
Answer Question
| January 8, 2009 8:21 PM
diskless install, Intel, iSCSI, iSCSI LUN, LUN, NIC, pro 1000, remote boot, Windows Server 2008 Installer, Windows Storage Server
Urgent SAN on Redhat x86_64 problem
If I run probe-luns -a, it shows all 3 luns. I then use fdisk -l and it shows the devices as expected. Output after reboot: [root@hhln-mgt-sac101 ~]# fdisk -l Disk /dev/cciss/c0d0: 146.7 GB, 146778685440 bytes 255 heads, 63 sectors/track, 17844 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End [...]
Answer Question
| November 4, 2008 12:47 PM
FDISK, HBA, Logical Unit Number, LUN, Probe LUNs, Redhat Linux, SAN, Storage Area Network, x86_64
If I run probe-luns -a, it shows all 3 luns. I then use fdisk -l and it shows the devices as expected. Output after reboot: [root@hhln-mgt-sac101 ~]# fdisk -l Disk /dev/cciss/c0d0: 146.7 GB, 146778685440 bytes 255 heads, 63 sectors/track, 17844 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End [...]
Answer Question
| November 4, 2008 12:47 PM
FDISK, HBA, Logical Unit Number, LUN, Probe LUNs, Redhat Linux, SAN, Storage Area Network, x86_64
Shared SAN LUN between Win2K3R2 std Svrs
Is it possible to share an EMC symentrics LUN between two windows 2003 R2 std servers without having to use third party software like ms clustering? one write and the other read only…
Answer Question
| November 6, 2008 6:02 PM
EMC Symmetrix, LUN, SAN, SAN management, Windows Server 2003, Windows Server 2003 R2
Is it possible to share an EMC symentrics LUN between two windows 2003 R2 std servers without having to use third party software like ms clustering? one write and the other read only…
Answer Question
| November 6, 2008 6:02 PM
EMC Symmetrix, LUN, SAN, SAN management, Windows Server 2003, Windows Server 2003 R2
