Storage Tag Directory

Featured Storage Questions

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
asked by:
20 pts.

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
asked by:
5 pts.

Unable to delete ISCSI Target in Red Hat
Unable to delete ISCSI Target in Red Hat ———– Target Name root@rb-redhat6 iscsi]# iscsiadm -m node 192.168.0.112:3260,1 iqn.1986-03.com.ibm:2145.clusterh1.gully ————– Error Message [root@rb-redhat6 iscsi]# iscsiadm –m node -T iqn.1986-03.com.ibm:2145.clusterh1.gully –portal 192.168.0.112:3260 -u iscsiadm: No matching sessions found ———— Distro root@rb-redhat6 iscsi]# cat /etc/*issue* Red Hat Enterprise Linux Server release 6.3 (Santiago) Thanks in advance for your [...]

Answer Question   |  February 14, 2013  3:25 AM
iSCSI, RedHat, Storage
asked by:
5 pts.

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
asked by:
5 pts.

1 gigabyte = ? megabytes
1 gigabyte = ? megabytes

Answer Question   |  January 10, 2013  7:48 AM
Gigabyte, Megabyte
asked by:
15 pts.

itera HA/DR
How to change the Primary box to Secondary and secondary box to primary in iTera HA/DR

Answer Question   |  December 13, 2012  10:41 AM
iTera, iTera box
asked by:
15 pts.

Advice required on building career in Storage Area Network
Hi, I want to build a career in Storage Area Network and get into HBA testing/development of iSCSI,FC,FCOE cards. What are the scope of job opportunities in India? Please let me know the technical knowledge a person should pursue to become an expert in this field. It will be helpful to know if there are [...]

Answer Question   |  October 21, 2012  4:53 AM
certification, FCoE, HBA, iSCSI, Storage Area Network
asked by:
NSM
5 pts.

Random Storage Question
Question 01 – like netapp operating system is DATAONTAP and it’s file system is WAFL what about EMC products? and what about oracle ZFS uses which file system Question 02 – What are command set for fiber channel and fibber channel over Ethernet ? Question 03 – if someone talks about lost frame in a [...]

Answer Question   |  August 1, 2012  6:38 PM
EMC, iSCSI and FC Network, NetApp, Storage, Storage Channel, ZFS Filesystem
20 pts.

HSM Primary Space Management
I have a request to run HSM primary space management on one lpar and they want icremental backup run on another lpar.   How do I split Primary Space Management to have this happen?

Answer Question   |  May 3, 2012  3:42 PM
HSM
asked by:
5 pts.

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
asked by:
5 pts.

Backup
We are using IBM tape library TS3100. In past 2 days, when backup started the tape was automatically came out to IO station. The backup was in MSGW state and was asking for media. When I inserted the tape again and replied with G, the backup was started as usual. Does anyone know why it [...]

Answer Question   |  April 3, 2012  5:36 AM
AS/400 BRMS, IBM Tape Libraries
asked by:
HS
55 pts.

Adding HP SAN P4000G2 to an existing cluster????
I appologize in advance for my newb terminology but I have no experince in this at all. I have an environment running on vmware esxi 4.1 and HP lefthand san p4000 g2. currently their san is set RAID5 with one LUN and two datastores but they are running out of space and getting some major [...]

Answer Question   |  June 7, 2012  6:26 PM
IP SAN, RAID, VMware
asked by:
5 pts.

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
asked by:
5 pts.

How to convert number of SAPS into IOPS
Dear Team,  We are planing for SAP Hardware where in how to convert the Number of SAPS into I/O Per Second to design the Storage size

Answer Question   |  October 11, 2011  7:00 AM
I/O feedback, IOPS, SAP
asked by:
5 pts.

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
asked by:
5 pts.

Performance & User Experience AnalysisTool
Hello all. I’m wondering what the community thinks about what the best tool would be to do comparitive analysis of HVD environments compared to other HVD configurations and physicals. Standard metrics for iops, userX, task timing, etc. Performance tuning would also be helped with this data.  I am asking as I want to be able [...]

Answer Question   |  March 31, 2012  1:41 PM
Holographic data storage, Holographic storage, IOPS, Storage, XenDesktop
asked by:
5 pts.

Network Port Usage
I’m wondering if someone had a better idea for what I’m trying to do. I have a small cluster of beefy Hyper-V servers.  Each server has 20 1GB ports.  This is my approach to port usage for the NICs: 20 ports    4 ports – iSCSI multi-pathing    4 ports – VM DMZ Network Team [...]

Answer Question   |  March 31, 2012  8:31 PM
Engineering, Hyper-V, iSCSI SAN, NIC Ports, Windows 2008 R2
asked by:
27,310 pts.

Move aof an EMC Clariion with Mirrorview
We have to move an EMC Clariion from one site to another. What are the best practice regarding Mirrorview ? Should  we stop it before the move ? Any suggestion welcome for the sync/resync after the move. Thanks Didier

Answer Question   |  March 31, 2012  8:14 PM
CLARiiON storage systems, EMC CLARiiON, MirrorView
asked by:
15 pts.

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
asked by:
5 pts.

Ultrium 4, Data size in TAPE?
We are using LTO4 ultrium tape for backups in our server{V5R4}. System Total Storage – 12TB Present ASP              – 60% i.e.,{More than 6 TB} For Entire System backup - Two Ultrium 4 tapes used. {which has the size of 1.6Tb each for compressed data = total  3.2Tb} Question : Since the ASP is 60% we can predict [...]

Answer Question   |  March 31, 2012  9:57 AM
Backup, Entire System Backup, iSeries backup, LTO4, Storage Size, Tape Backups, Ultrium, V5R4
asked by:
225 pts.