We have had an installation of a MSA 1040 system. At the customer site, we discovered that the FAN’s kept running on full speed.
Current firmware was: Â GL105P003
New firmware from HP (released 01 December 2014) fixes this problem (GL200R007).
Hopes this helps you all.
HP Enterprise Virtual Array (EVA) family with VMware vSphere 4.0, 4.1 and 5.0Â Best practices
[Download]
Running VMware vSphere 4 on HP LeftHand P4000 SAN Solutions
[Download]
Best Practices for deploying VMware and vSphere 4 with VMware High Availability and
Fault Tolerance on HP P4500 Multi-Site SAN cluster
[Download]
HP P4000 LeftHand Solutions with VMware vSphere Best Practices (incl. vSphere 5)
[Download]
3PAR Utility Storage with VMware vSphere
[Download]
HP P2000 Software Plug-in for VMware VAAI
[Download]
HP 3PAR Storage and VMware vSphere 5 best practices
[Download]
Disk alignment is very important in every Operating system environment. But when you are using a SAN and also using VMware you should take disk alignement in account.
Above you see that the Guest OS (for example Windows) is not aligned with the VMFS and the VMFS is not aligned with the Array Blocks. Meaning that 1 I/O can result into 3 I/O’s on the storage device.
Now the VMFS has been aligned, but the Guest OS is still not. Now an I/O can result into 2 I/O’s on the storage device. Beter, but performance can still be improved.
Now all File Systems are aligned. On I/O results into 1 I/O, because all beginning of the blocks are at the same position.
Only Windows Vista, Windows 2008 and Windows XP has a trick to avoid this:
