Questions tagged [lefthand]

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Incredibly slow snapshot removal

I have an ESXi box with HP LeftHand storage exposed via iSCSI. I have a virtual machine with a 1TB disk, of which 800GB is consumed. The disk is thick provisioned on the LeftHand storage. A snapshot ...
Mark Henderson's user avatar
7 votes
2 answers
704 views

HP P4000 LeftHand SRA for SRM will not install on vSphere 5.1

I'm attempting to install the HP LeftHand P4000 Storage Replication Adapter in VMWare Site Recovery Manager 5.1 with vSphere 5.1 However, the LeftHand SRA keeps stating that SRM is not installed, ...
Mark Henderson's user avatar
6 votes
2 answers
1k views

links between switches for iSCSI

We inherited a SAN/vmWare/iSCSI setup with both Dell and HP equipment purchased for it, but not fully setup, and we need to get some additional switches to make it all work. But we're getting ...
Gregory Thomson's user avatar
4 votes
1 answer
577 views

SAN Suggestions for ESX? [closed]

I now need to start planning the replacement of our main ESX cluster. Implementation will be around December time but it suddenly doesn't seem that far away. Right now I have a pair of ESX hosts, ...
flooble's user avatar
  • 2,364
3 votes
3 answers
4k views

Why can't my ESX host see my iSCSI storage?

I have 4 ESX 4.0 hosts (a,b,c,d), 3 SATA Lefthand iSCSI SANS,1 SAS Lefthand iSCSI SAN Hosts a,b & c can see all 3 SAS sans and the 1 SATA san Hosts a,b,c & d can ping all 4 storage devices ...
Dusty's user avatar
  • 73
3 votes
2 answers
2k views

HP LeftHand vs VMware VSA

I am trying to compare VMware's new VSA with the HP LeftHand VSA. Both products allow you to run the SAN node as a VM. Reading VMware's documentation I get the impression that VMs on the same host ...
Dennis Allen's user avatar
2 votes
3 answers
321 views

LefHand p4000 cluster - volume

what is the best practice to create volumes to manage sql servers, file servers and web servers - all are in VM ? i am also planing a remote site with replication on selected volumes. Please give ...
user40997's user avatar
2 votes
1 answer
927 views

HP LeftHand VSA "Usable Space" less than "Raw Space"

I have a few LeftHand VSA nodes that are very poorly documented (read: not at all). They are running on VMWare ESXi and each VSA has an 820GB VMDK allocated as its storage disks. The 820GB VMDK is ...
Mark Henderson's user avatar
2 votes
2 answers
5k views

HP StorageWorks P4500 G2 Manager Management

According to the documentation, a management group should have an odd number of managers greater than 1. I have a four node SAN consisting of P4500 G2s. I plan on having two clusters with two nodes ...
MDMarra's user avatar
  • 101k
2 votes
3 answers
905 views

P4500 Lefthand SAN report degraded on one node when all disks are health "NORMAL"

I am experiencing a strange condition with our HP G1 lefthand SAN cluster. The cluster consists of 4 nodes across two sites, two nodes ( node 1 & 2 )in each site are RAID5 across the pair, and ...
FIASITManager's user avatar
1 vote
2 answers
1k views

LeftHand P4000 multi-site replication and vsa

We have one LeftHand P4000 SAN and want to know if it is possible to set up a VSA and then perform SAN to SAN synchronous replication (built into the P4000). Does the VSA emulate a P4000 enough for ...
jftuga's user avatar
  • 5,791
1 vote
1 answer
3k views

HP P4000 / Lefthand : how to do a manual failover

We have a P4000 SAN with 2 nodes; we don't have a Failover Manager. Right-clicking a node in the management console does not offer a failover option, the best one seems to be "power off or reboot". ...
Afanasii's user avatar
1 vote
1 answer
197 views

Upgrading HP P4000 networking

Our dealer currently has a killer deal on HP LeftHand P4000 starter kits and we're considering purchasing one or two of them; however each chassis only has 2x 1GbE ethernet. This seems a bit light on ...
Mark Henderson's user avatar
1 vote
1 answer
1k views

iSCSI filesystem creation on Linux - Best Practices - Large Volumes - Many Files?

We recently purchased HP Lefthand 4500 G2 24TB box and also a DL380 G7 server. I'm running Centos 6.2 (RHEL 6.2). The Lefthand box consist of 12 2TB HD's configured in RAID6. That gives me about 14....
Svavar O's user avatar
1 vote
2 answers
196 views

Linear Performance Scalability with HP San Solutions

I need a San Solution with linear scalability in size as well as in performance. From what I know, with a Modular Smart Array solution such as the P2000/MSA-class solutions from HP, even with a dual ...
Berzemus's user avatar
  • 1,192
1 vote
3 answers
116 views

sql server and vms

I need to deploy some vms for sql servers, how do you plan the san volumes ? put os, data & log files in different vmdk ? or different volumes ? or put all in same volume ? Also , is it good ...
user40997's user avatar
1 vote
0 answers
25 views

LeftHand P4500 Site Assignment

In my multi (dual) site LeftHand CMC, all of my storage nodes are assigned to one of the two sites, but none of my servers are. I was advised by a storage engineer that this was not necessary; however,...
Matt's user avatar
  • 1,893
1 vote
1 answer
2k views

VM iscsi disk crashes on one VM Host, not on the other

I have a VmWare solution running on a HP bladesystem with a Lefthand ISCSI san. There are currently two VmWare hosts in that environment. I have two Debian VM's sharing an ISCSI disk (with ocfs2), ...
Berzemus's user avatar
  • 1,192
1 vote
3 answers
2k views

HP P4000 LeftHand Setup: Configure a VIP (Virtual IP)

I'm trying to setup a HP LeftHand Storage System (2x p4300) in our testlab. As I have no router (but only a Catalyst 2960-S switch) in the testlab: Is there a way to setup a VIP (Virtual IP) to ...
StackUnderflow's user avatar
1 vote
1 answer
293 views

Network issues regarding p4300 SAN - cannot manage p4300 through CMC

I am having an issue with my p4300 LeftHand SAN. It is a 2 node iSCSI system. Each one has 2 nics which are teamed into a cisco switch. The VMware cluster is connected into this switch as well with ...
user131991's user avatar
1 vote
1 answer
1k views

Configure LeftHand iSCSI SAN for jumbo frames after clients are configured

This is similar to enabling jumbo frames on an iSCSI network after the fact but in our case we configured the switches and then went through all the hosts, enabling jumbo frames (we may have screwed ...
murisonc's user avatar
  • 2,968
1 vote
0 answers
755 views

Replacing LeftHand SAN Hard Disk Outside of Warranty / Service Contract

I am working with 3 clusters of LefHand SAN iSCSI storage arrays. The modules are all older NSM 150s and NSM 160s (super micro server hardware, sata disks). The workload is low priority and all ...
J.Zimmerman's user avatar
  • 1,117
0 votes
2 answers
3k views

Lefthand SAN questions

I'm curious about Lefthand SAN solutions from HP. People from Dell have told me that Lefthand SAN's require at least two nodes and data must be mirroring between them so capacity is a half less ...
Gk.'s user avatar
  • 728
0 votes
3 answers
3k views

Raid5 is off on my Lefthand P4500

I have 1 cluster with serveral p4500. There is HW Raid5 and the Raid5 is split on: first 6 is one raid 5, and the other 6 is one raid 5. There were two disk that came up with a fault. I replaced ...
Soeren's user avatar
  • 11
0 votes
1 answer
447 views

Backup software of HP Lefthand P4000 storage

How to back up existing software and configuration of HP Lefthand P4000 series (two P4300G2 nodes in cluster running software version 9.0) storage? We are planning to add virtual failover manager and ...
DavisNT's user avatar
  • 354
0 votes
1 answer
236 views

ESX Server not seeing ISCSI Device for connection to HP Lefthand SAN Array

I have an ESX server array that I had connected to four HP SAN boxes. Unfortunately, HP only sent me three certificates (and I lost track) so it was running with only 3 of the 4 boxes cert'ed. I have ...
Coergo's user avatar
  • 1
0 votes
1 answer
232 views

P4000 and ESX storage design

I need help and advice how to design my volumes to fit the need - good performance for sql type application, no lack of performance for file servers, remote copy or replication to dr site for ...
user40997's user avatar